CN112433141A - Detection device and detection method for PCB - Google Patents
Detection device and detection method for PCB Download PDFInfo
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- CN112433141A CN112433141A CN202011241846.6A CN202011241846A CN112433141A CN 112433141 A CN112433141 A CN 112433141A CN 202011241846 A CN202011241846 A CN 202011241846A CN 112433141 A CN112433141 A CN 112433141A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
- G01R31/2808—Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/956—Inspecting patterns on the surface of objects
- G01N2021/95638—Inspecting patterns on the surface of objects for PCB's
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- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
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- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a detection device and a detection method of a PCB (printed circuit board), which comprises a rotating plate, a supporting unit, a rotating power unit, a rotating transmission unit, a sliding unit, a circuit board bearing unit, a lifting unit and a detection alternating unit, wherein the rotating plate is arranged on the rotating plate; the supporting unit comprises a chassis, a strut, a supporting ring, an annular groove, a shaft seat and a bearing, wherein the rear side of the surface of the chassis is connected with the supporting ring through the strut, the annular groove is formed in the inner side of the supporting ring, the shaft seat is fixed at the center of the surface of the chassis, and the bearing is mounted on the shaft seat; the two ends of the rotating plate are respectively connected with the annular groove in a sliding mode through sliding units, the bottom of the rotating plate is connected with a rotating transmission unit, and a rotating power unit for driving the rotating transmission unit is installed on the base plate; the method is convenient to operate, reduces the operation steps during manual detection, reduces the influence of manual operation on the detection result, can improve the detection efficiency, and is favorable for improving the detection accuracy.
Description
Technical Field
The invention relates to the technical field of PCB (printed circuit board) detection equipment, in particular to a PCB detection device and a PCB detection method.
Background
After the PCB circuit board produces the finished product, also be a very important ring to the quality testing of PCB circuit board, the detection of circuit board needs the manual observation outward appearance quality, for example there is not physical damage, also needs the break-make condition of circuit on the detection circuit board, owing to need artifical check positive and negative and need equipment to detect the break-make, detection steps is many, causes complex operation, causes the puzzlement to measurement personnel, causes detection efficiency to descend to also influence the degree of accuracy that detects.
Disclosure of Invention
The invention aims to overcome the existing defects and provides a detection device and a detection method for a PCB, which are convenient to operate, reduce the operation steps during manual detection, reduce the influence of manual operation on the detection result, improve the detection efficiency, facilitate the improvement of the detection accuracy, photograph and keep a file for the appearance inspection, improve the detection traceability and effectively solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a PCB circuit board detection device comprises a rotating plate, a supporting unit, a rotating power unit, a rotating transmission unit, a sliding unit, a circuit board bearing unit, a lifting unit and a detection alternating unit;
the supporting unit comprises a chassis, a strut, a supporting ring, an annular groove, a shaft seat and a bearing, wherein the rear side of the surface of the chassis is connected with the supporting ring through the strut, the annular groove is formed in the inner side of the supporting ring, the shaft seat is fixed at the center of the surface of the chassis, and the bearing is mounted on the shaft seat;
the rotary plate comprises a rotary plate, a circuit board bearing unit, a rotary transmission unit, a rotary power unit, a circuit board bearing unit, a circuit board, a power unit and a power unit, wherein two ends of the rotary plate are respectively connected with the annular groove in a sliding mode through sliding units;
and the lifting unit is arranged at the rear side of the chassis, a detection alternation unit is arranged on a movable block of the lifting unit, and an industrial camera and a detection equipment mounting plate are respectively arranged at two ends of the bottom of an alternation plate of the detection alternation unit.
Rotatory power unit can make things convenient for the inspector foot to step on and provide power, then it is rotatory to drive the rotor plate through the transmission of rotatory transmission unit, circuit board load cell is used for treating the circuit board that detects and fixes, and also conveniently observe the appearance quality condition of the upper and lower face of waiting to detect the circuit board, two circuit board load cell joints two circuit boards that wait to detect are led to the inslot through two circuit board respectively to two detections of rotor plate, can make the rotor plate at the ring channel internal rotation through the slip unit, thereby make two circuit boards that wait to detect in turn by artifical detection and equipment detection, stitch on the decline contact circuit board when circuit break-make check out test set that can install under the check out test set mounting panel through the lift unit, it makes industry camera and circuit break-make check out test set.
Further, the sliding unit comprises an arc-shaped sliding block, a sliding installation groove, an elongated slot, a rectangular sliding block, a pulley, a wheel carrier, a telescopic rod and a sliding spring, the two ends of the rotating plate are arc-shaped, the arc-shaped sliding block is fixed at the two ends of the rotating plate respectively, the arc-shaped sliding block is located in the annular slot, the sliding installation groove is formed in the outer side of the arc-shaped sliding block, the elongated slot is formed in the upper side and the lower side of the sliding installation groove respectively, the rectangular sliding block in sliding connection with the elongated slot is arranged on the upper side and the lower side of the wheel carrier, the pulley is rotatably connected to one end of the wheel carrier, extending out of the sliding installation groove, and is in rolling connection with the side face of the annular.
The telescopic rod can extend under the action of the sliding spring, and the wheel carrier can extend out of the sliding mounting groove under the sliding action of the long groove and the rectangular sliding block, so that the pulley can contact the annular groove as much as possible, the stable sliding of the arc sliding block in the annular groove is ensured, and the rotating plate can be kept in a stable state when rotating.
Further, rotatory power unit includes short support bar, U-shaped movable rod, power spring, footboard, back connecting rod, reinforcement frame, L shape dead lever and top axle, the surface on chassis is equipped with two short support bars, and the top of two short support bars passes through top axle swing joint with the both ends of U-shaped movable rod respectively, the middle part front side of U-shaped movable rod is through reinforcing frame fixedly connected with footboard, the middle part rear side of U-shaped movable rod is connected with the back connecting rod, the vertical end of the L shape dead lever of still fixed connection on the chassis, the horizontal end of L shape dead lever is located the back connecting rod rear end directly over, and the horizontal end of L shape dead lever passes through the rear end of power spring connection back connecting rod.
The inspectoscope steps on the pedal with the foot, can make the front end of U-shaped movable rod descend, and the both ends of U-shaped movable rod and the top swing joint of short bracing piece, and the U-shaped movable rod can do work to rotation transmission unit, unclamps the foot, because power spring is stretched when the front end of U-shaped movable rod descends, unclamps behind the foot power spring and kick-backs, can make the front end of U-shaped movable rod rise to continuous output power.
Furthermore, the rotary transmission unit comprises a movable short shaft, a movable long rod, a movable long shaft, a movable short end, a pin shaft, a fixed sleeve, a long support rod, a worm, an end shaft, a worm wheel and a rotating shaft, a rotating shaft is fixed at the center of the bottom of the rotating plate, the bottom end of the rotating shaft rotates with the shaft seat through a bearing, a worm wheel is fixed in the middle of the rotating shaft, two corresponding long supporting rods are fixed on the chassis, end shafts are respectively and rotatably connected to the top ends of the two long supporting rods, the two end shafts are respectively connected to the two ends of the worm, the worm is connected with the worm wheel in a matching mode, one ends, far away from the worm, of the two end shafts are respectively connected with the fixed sleeves through pin shafts, the side faces of the two fixed sleeves are connected with one ends of the movable short ends, the other ends of the two movable short ends are respectively movably connected with one ends of the movable long rods through the movable long shafts, and the other ends of the two movable long rods are respectively movably connected with the middle parts of the two outer sides of the U-shaped movable rods through the movable short shafts.
When the front end of U-shaped movable rod descends, through activity stock pulling activity major axis, thereby it rotates to drive the end shaft through the activity stub, form the mechanism of a crank connecting rod, the end shaft drives the worm and rotates, through the transmission with the worm wheel, can drive the rotor plate rotatory in the inboard of support ring through the rotation axis, the inspection personnel step on with the foot and kick-back once through power spring after loosening, can drive the rotor plate through rotatory transmission unit and rotate one hundred eighty degrees, just in time realize two transposition of waiting to detect the circuit board, change manual work inspection and machine detection, the artifical taking out that can accomplish the detection circuit board of inspection during machine detection, next joint and the two-sided visual inspection of taking detection circuit board.
Further, the circuit board bearing unit includes carriage, catching groove, step groove, fixture block spout and fixture block spring, and the inboard top of carriage is equipped with the step groove, and the one side that the carriage is close to the rotor plate tip sets up the catching groove that communicates the step groove, the fixture block spout has been seted up to the both sides face in step groove, there is the fixture block through fixture block spring coupling in the fixture block spout, the fixture block is close to the one end and the fixture block spout sliding connection of fixture block spring, and the one end that the fixture block spring was kept away from to the fixture block is the arc structure.
Wait to detect the circuit board and put into the step groove on, push down the circuit board with strength and can make the circuit board put into the step groove, then the fixture block stretches out again after passing through the fixture block spring retraction to the fixture block spout, the avris of fixture block joint circuit board, the arc structure of fixture block tip makes things convenient for the joint of circuit board, the catching groove can conveniently be detained out the circuit board that detects with the finger.
Further, the lift unit includes bottom plate, guide arm, screw rod, elevator motor, movable block, roof, screw and slide opening, the rear side on chassis is fixed with the bottom plate, the bottom plate is connected with the roof through vertical guide arm, still rotates between bottom plate and the roof to be connected with vertical screw rod, be fixed with elevator motor on the roof, elevator motor's output shaft screw rod, the movable block is discoid, screw and slide opening have been seted up on the movable block respectively, the screw rod is connected with screw thread fit, guide arm and slide opening sliding connection.
The screw rod can be driven to rotate by the operation of the lifting motor, and the movable block can be driven to move up and down along the guide rod under the action of the threads, so that the detection alternation unit on the movable block is driven to change the height.
Further, detect unit in turn and include board, interior ring gear, side channel, motor, gear and spacing ring in turn, the spacing ring is equipped with two and fixed cup joints in the side of movable block, and board middle part round hole in turn cup joints at the middle part of movable block and lies in between two spacing rings, the side channel has been seted up to the side of movable block, the side channel internal fixation has motor in turn, the alternative gear of output shaft of motor in turn, be equipped with interior ring gear in the round hole in the middle part of the board in turn, interior ring gear is connected with the gear engagement in turn.
The circuit board after manual appearance inspection drives the rotating plate to rotate through the rotating power unit and the rotating transmission unit, so that the circuit board after manual appearance inspection is positioned at the rear side, the industrial camera at the lower side of the alternating plate firstly takes pictures to reserve a gear, then the alternating motor works to drive the alternating gear to rotate, the alternating plate can be driven to rotate (rotate one hundred eighty degrees) under the meshing action of the internal gear ring, so that the detection equipment mounting plate is aligned with the circuit board after manual appearance inspection, then the detection equipment mounting plate under the alternating plate of the detection alternating unit is driven to descend through the lifting unit, then the circuit on-off detection equipment mounted under the detection equipment mounting plate is contacted with pins of the circuit board, after the detection is finished, the lifting unit drives the detection alternating unit to ascend, then the inspector steps on the rotating power unit to rotate the circuit board after the equipment detection by one hundred eighty, at the moment, the other circuit board which is manually checked on the outer side is turned to the detection alternating unit, the circuit board which is detected by the equipment can be buckled out by an inspector, then the next circuit board to be detected is put in, the appearance quality is observed on the front side and the back side manually, and the equipment is waited for detection.
Further, the turnover control unit comprises a turnover shaft, a rotary through groove, a turnover shaft fixing rod, a turnover shaft seat, a turnover control spring, a vertical rod, a sliding column, a button, a chuck and a clamping groove, wherein the turnover shaft is respectively fixed at the middle parts of two sides of the bearing frame, the rotary through groove is formed in the side surface of the detection through groove of the rotating plate corresponding to the turnover shaft, the turnover shaft seat is rotatably connected to the turnover shaft, the turnover shaft seat is fixed in the rotary through groove through the turnover shaft fixing rod, the chuck is fixed at the end of the turnover shaft far away from the bearing frame, the clamping groove is formed at one side of the chuck close to the bearing frame at an equal angle, an inner cavity is formed in one side of the rotary through groove, a smooth hole communicated with the inner cavity is formed in the side surface of the rotating plate, the sliding column is connected in the smooth hole in a sliding manner, the one end that the traveller is located the inner chamber is fixed with the montant, be equipped with the upset control spring between montant and the one side that the inner chamber is close to the bearing frame, the tip of montant extends to rotatory logical inslot and is connected with the card post, card post and the joint in the joint groove that corresponds.
After observing the upside of waiting to examine the circuit board on the bearer frame, press the button, make the compression of upset control spring, the card post breaks away from with the joint groove this moment, with one hundred eighty degrees of upset bearer frame, make the downside of circuit board up, loosen the button, the rebound of upset control spring, the joint groove is gone into to the card post card, the bearer frame rigidity of joint circuit board, then the back of inspection circuit board to fixed to the bearer frame of joint circuit board, also make things convenient for the detection of follow-up equipment.
Further, still include the lighting unit, the lighting unit includes illumination branch, arc slide bar, sliding sleeve, gooseneck, lamp shade and light, the front side of support ring is equipped with two and controls the illumination branch that corresponds, the top of two illumination branches of arc slide bar's both ends fixed connection, sliding connection has the sliding sleeve on the arc slide bar, the gooseneck connection lamp shade is passed through to the bottom of sliding sleeve, the light is installed to the bottom of lamp shade.
The transverse position of the illuminating lamp can be changed by sliding the sliding sleeve on the arc-shaped sliding rod, the illuminating lamp can be changed by any angle through the gooseneck, the angle and the position of the illuminating lamp can be adjusted as required by inspectors, and the lampshade can prevent the light of the illuminating lamp from directly irradiating eyes of the inspectors.
A detection method of a detection device of a PCB circuit board comprises the following steps:
the method comprises the following steps: placing the circuit board to be detected on the upper side of the step groove of the bearing frame, pressing the circuit board to be detected with force, pressing the fixture block spring to retract into the fixture block sliding groove by the fixture block, pressing the circuit board to be detected into the step groove, extending the fixture block to the upper side of the circuit board to be detected under the action of the fixture block spring to complete the fixation of the circuit board to be detected, and manually checking the upper side of the circuit board to be detected;
step two: then, a button of the turnover control unit is pressed, the clamping limit of the bearing frame is released, then the bearing frame is turned over, the back of the circuit board to be detected is upward, and the lower side of the circuit board to be detected is manually checked;
step three: the pedal is stepped on by feet, the rotating plate can be driven to rotate by one hundred eighty degrees through the transmission of the rotating transmission unit, then the next circuit board to be detected is placed in the other bearing frame, and the first step and the second step are repeated;
step four: the circuit board which is manually checked is located right below the industrial camera at present, and visual detection and image retention are realized through the industrial camera;
step five: the alternate plate of the detection alternate unit is driven by the alternate motor to rotate one hundred eighty degrees, then the circuit on-off detection equipment arranged below the detection equipment mounting plate is enabled to be over against the circuit board which is manually checked, then the circuit on-off detection equipment is enabled to descend through the lifting unit, the detection head which enables the circuit on-off detection equipment to descend is enabled to be in contact with pins on the circuit board, detection is completed, and then the steps are repeated to carry out detection in a circulating mode.
Compared with the prior art, the invention has the beneficial effects that: the detection device and the detection method of the PCB have the following advantages:
1. the circuit board bearing unit is used for fixing the circuit board to be detected, and also conveniently observe the appearance quality condition of the upper and lower surfaces of the circuit board to be detected, two circuit boards to be detected are respectively clamped in the two detection through grooves of the rotating plate through the two circuit board bearing units, the rotating plate can rotate in the annular groove through the sliding unit, so that the two circuit boards to be detected are alternately detected by manual detection and equipment detection, pins on the circuit board are descended and contacted when the circuit on-off detection equipment which can be installed under the detection equipment mounting plate is detected through the lifting unit, and the detection alternate unit alternately enables the industrial camera and the circuit on-off detection equipment to photograph, leave a gear and detect the circuit.
2. When the front end of U-shaped movable rod descends, through activity stock pulling activity major axis, thereby it rotates to drive the end shaft through the activity stub, form the mechanism of a crank connecting rod, the end shaft drives the worm and rotates, through the transmission with the worm wheel, can drive the rotor plate rotatory in the inboard of support ring through the rotation axis, the inspection personnel step on with the foot and kick-back once through power spring after loosening, can drive the rotor plate through rotatory transmission unit and rotate one hundred eighty degrees, just in time realize two transposition of waiting to detect the circuit board, change manual work inspection and machine detection, the artifical taking out that can accomplish the detection circuit board of inspection during machine detection, next joint and the two-sided visual inspection of taking detection circuit board.
3. The transverse position of the illuminating lamp can be changed by sliding the sliding sleeve on the arc-shaped sliding rod, the illuminating lamp can be changed by any angle through the gooseneck, the angle and the position of the illuminating lamp can be adjusted as required by inspectors, and the lampshade can prevent the light of the illuminating lamp from directly irradiating eyes of the inspectors.
4. The method has the advantages of being convenient to operate, reducing operation steps during manual detection, reducing influence of manual operation on detection results, improving detection efficiency, being beneficial to improving detection accuracy, being capable of photographing and retaining files for appearance inspection and improving detection traceability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 4 is a schematic structural diagram of a roll-over control unit according to the present invention;
FIG. 5 is a schematic diagram of a circuit board carrying unit structure according to the present invention;
FIG. 6 is a schematic view of a sliding unit according to the present invention;
FIG. 7 is a partial structure diagram of an alternative detection unit according to the present invention;
fig. 8 is a schematic diagram of the rear side structure of the present invention.
In the figure: 1 rotating plate, 2 supporting units, 21 chassis, 22 pillars, 23 supporting rings, 24 annular grooves, 25 shaft seats, 26 bearings, 3 rotating power units, 31 short supporting rods, 32U-shaped movable rods, 33 power springs, 34 pedals, 35 rear connecting rods, 36 reinforcing frames, 37L-shaped fixed rods, 38 top shafts, 4 rotating transmission units, 41 movable short shafts, 42 movable long rods, 43 movable long shafts, 44 movable short ends, 45 pin shafts, 46 fixed sleeves, 47 long supporting rods, 48 worms, 49 end shafts, 410 worm wheels, 411 rotating shafts, 5 sliding units, 51 arc-shaped sliders, 52 sliding installation grooves, 53 long grooves, 54 rectangular sliders, 55 pulleys, 56 wheel frames, 57 telescopic rods, 58 sliding springs, 6 circuit board bearing units, 61 bearing frames, 62 buckling grooves, 63 stepped grooves, 64 clamping blocks, 65 sliding grooves, 66 clamping block springs, 7 overturning control units, 71 overturning shafts, 72 rotating through grooves, 73 turnover shaft fixing rods, 74 turnover shaft seats, 75 turnover control springs, 76 vertical rods, 77 sliding columns, 78 buttons, 79 chucks, 710 clamping grooves, 8 lighting units, 81 lighting support rods, 82 arc-shaped sliding rods, 83 sliding sleeves, 84 gooseneck tubes, 85 lampshades, 86 lighting lamps, 9 lifting units, 91 bottom plates, 92 guide rods, 93 screw rods, 94 lifting motors, 95 movable blocks, 96 top plates, 97 screw holes, 98 sliding holes, 10 detection alternating units, 101 alternating plates, 102 inner toothed rings, 103 side grooves, 104 alternating motors, 105 alternating gears, 106 limiting rings, 11 industrial cameras and 12 detection equipment mounting plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the first embodiment, referring to fig. 1 to 8, the present embodiment provides a technical solution: a PCB circuit board detection device comprises a rotary plate 1, a supporting unit 2, a rotary power unit 3, a rotary transmission unit 4, a sliding unit 5, a circuit board bearing unit 6, a lifting unit 9 and a detection alternating unit 10;
the supporting unit 2 comprises a chassis 21, a strut 22, a supporting ring 23, an annular groove 24, a shaft seat 25 and a bearing 26, wherein the rear side of the surface of the chassis 21 is connected with the supporting ring 23 through the strut 22, the annular groove 24 is formed in the inner side of the supporting ring 23, the shaft seat 25 is fixed at the center of the surface of the chassis 21, and the bearing 26 is installed on the shaft seat 25;
the rotary plate comprises a rotary plate 1, two ends of which are respectively connected with an annular groove 24 in a sliding manner through a sliding unit 5, the bottom of the rotary plate 1 is connected with a rotary transmission unit 4, a rotary power unit 3 for driving the rotary transmission unit 4 is installed on a chassis 21, two symmetrical detection through grooves are formed in the surface of the rotary plate 1, and a circuit board bearing unit 6 is installed in each detection through groove;
and an elevating unit 9 installed at a rear side of the chassis 21, and a detection alternation unit 10 is installed on a movable block 95 of the elevating unit 9, and an industrial camera 11 and a detection device installation plate 12 are respectively provided at both ends of a bottom of an alternation plate 101 of the detection alternation unit 10.
The rotary power unit 3 can provide power for inspectors to step on by feet conveniently, then the rotary plate 1 is driven to rotate through the transmission of the rotary transmission unit 4, the circuit board bearing unit 6 is used for fixing a circuit board to be detected, and the appearance quality conditions of the upper surface and the lower surface of the circuit board to be detected can be conveniently observed, the two circuit boards to be detected are clamped in the two detection through grooves of the rotating plate 1 through the two circuit board bearing units 6 respectively, the rotating plate 1 can rotate in the annular groove 24 through the sliding unit 5, therefore, the two circuit boards to be detected are alternately detected by manual and equipment, pins on the circuit boards are in descending contact when the circuit on-off detection equipment arranged below the detection equipment mounting plate 12 is detected through the lifting unit 9, and the detection alternate unit 10 alternately enables the industrial camera 11 and the circuit on-off detection equipment to take pictures and keep files and detect the on-off of the circuit.
The sliding unit 5 comprises an arc-shaped slider 51, a sliding installation groove 52, an elongated slot 53, a rectangular slider 54, a pulley 55, a wheel carrier 56, an expansion link 57 and a sliding spring 58, wherein the two ends of the rotating plate 1 are arc-shaped, the arc-shaped slider 51 is fixed at the two ends of the rotating plate 1 respectively, the arc-shaped slider 51 is positioned in the annular slot 24, the sliding installation groove 52 is formed in the outer side of the arc-shaped slider 51, the elongated slot 53 is formed in the upper side and the lower side of the sliding installation groove 52 respectively, the rectangular slider 54 slidably connected with the elongated slot 53 is arranged on the upper side and the lower side of the wheel carrier 56, the pulley 55 is rotatably connected to one end of the wheel carrier 56 extending out of the sliding installation groove 52, the pulley 55 is in rolling connection with the side face of the annular.
The telescopic rod 57 tends to extend due to the action of the sliding spring 58, and the wheel frame 56 tends to extend out of the sliding installation groove 52 due to the sliding action of the long groove 53 and the rectangular slider 54, so that the pulley 55 contacts the annular groove 24 as much as possible, and the arc slider 51 is ensured to stably slide in the annular groove 24, thereby keeping the rotating plate 1 in a stable state when rotating.
The rotary power unit 3 includes a short support rod 31, a U-shaped movable rod 32, a power spring 33, a pedal 34, a rear connecting rod 35, a reinforcing frame 36, an L-shaped fixed rod 37 and a top shaft 38, the surface of the chassis 21 is provided with two short support rods 31, the top ends of the two short support rods 31 are respectively movably connected with the two ends of the U-shaped movable rod 32 through the top shaft 38, the middle front side of the U-shaped movable rod 32 is fixedly connected with the pedal 34 through the reinforcing frame 36, the middle rear side of the U-shaped movable rod 32 is connected with the rear connecting rod 35, the chassis 21 is further fixedly connected with the vertical end of the L-shaped fixed rod 37, the horizontal end of the L-shaped fixed rod 37 is located right above the rear end of the rear connecting rod 35, and the horizontal end of the L-shaped fixed rod 37 is connected with the. For example, there are two short support rods 31 and two top shafts 38.
The inspectors can make the middle front end of the U-shaped movable rod 32 descend by stepping on the pedal 34 with feet, the two ends of the U-shaped movable rod 32 are movably connected with the top end of the short supporting rod 31, the U-shaped movable rod 32 can do work on the rotary transmission unit 4 to loosen feet, the power spring 33 is stretched when the front end of the U-shaped movable rod 32 descends, the power spring 33 rebounds after the feet are loosened, the front end of the U-shaped movable rod 32 can ascend, and therefore power is continuously output.
The rotary transmission unit 4 comprises a movable short shaft 41, a movable long shaft 42, a movable long shaft 43, a movable short end 44, a pin shaft 45, a fixed sleeve 46, a long support rod 47, a worm 48, an end shaft 49, a worm wheel 410 and a rotary shaft 411, wherein the center of the bottom of the rotary plate 1 is fixed with the rotary shaft 411, the bottom end of the rotary shaft 411 rotates with the shaft seat 25 through a bearing 26, the middle part of the rotary shaft 411 is fixed with the worm wheel 410, the chassis 21 is fixed with two corresponding long support rods 47, the top ends of the two long support rods 47 are respectively and rotatably connected with the end shaft 49, the two end shafts 49 are respectively connected with the two ends of the worm 48, the worm 48 is in fit connection with the worm wheel 410, one ends of the two end shafts 49 far away from the worm 48 are respectively connected with the fixed sleeve 46 through the pin shaft 45, the side surfaces of the two fixed sleeves 46 are connected with one end, the other ends of the two movable long rods 42 are respectively movably connected with the middle parts of the two outer sides of the U-shaped movable rod 32 through the movable short shafts 41.
When the front end of U-shaped movable rod 32 descends, through activity stock 42 pulling activity major axis 43, thereby it rotates to drive end shaft 49 through activity stub 44, form the mechanism of a crank connecting rod, end shaft 49 drives worm 48 and rotates, through the transmission with worm wheel 410, can drive rotor plate 1 rotatory in the inboard of support ring 23 through rotation axis 411, the inspection personnel step on with the foot and kick-backs once through power spring 33 after loosening, can drive rotor plate 1 through rotatory transmission unit 4 and rotate one hundred eighty degrees, just in time realize two transposition of waiting to detect the circuit board, change manual work inspection and machine detection, the artifical taking out that can accomplish the circuit board that has detected during machine detection, next joint and the two-sided visual inspection of taking the detection circuit board.
The circuit board bearing unit 6 includes a bearing frame 61, a fastening groove 62, a step groove 63, a clamping block 64, a clamping block sliding groove 65 and a clamping block spring 66, the step groove 63 is arranged at the top of the inner side of the bearing frame 61, the fastening groove 62 communicated with the step groove 63 is arranged at one side of the bearing frame 61 close to the end portion of the rotating plate 1, the clamping block sliding groove 65 is arranged on two side surfaces of the step groove 63, a clamping block 64 is connected in the clamping block sliding groove 65 through the clamping block spring 66, one end of the clamping block 64 close to the clamping block spring 66 is slidably connected with the clamping block sliding groove 65, and one end of the clamping block.
Wait to detect the circuit board and put into step groove 63 on, the circuit board can be put into step groove 63 by the power of pushing down, then fixture block 64 stretches out again after passing through fixture block spring 66 retraction to fixture block spout 65, fixture block 64 joint circuit board's avris, the arc structure of fixture block 64 tip makes things convenient for the joint of circuit board, catching groove 62 can conveniently be buckled out the circuit board that detects with the finger.
Lifting unit 9 includes bottom plate 91, guide arm 92, screw rod 93, elevator motor 94, movable block 95, roof 96, screw 97 and slide opening 98, the rear side of chassis 21 is fixed with bottom plate 91, bottom plate 91 is connected with roof 96 through vertical guide arm 92, it is connected with vertical screw rod 93 still to rotate between bottom plate 91 and the roof 96, be fixed with elevator motor 94 on the roof 96, elevator motor 94's output shaft screw rod 93, movable block 95 is discoid, screw 97 and slide opening 98 have been seted up on the movable block 95 respectively, screw rod 93 is connected with screw 97 screw-thread fit, guide arm 92 and slide opening 98 sliding connection.
The screw 93 is driven to rotate by the operation of the lifting motor 94, and the movable block 95 is driven to move up and down along the guide rod 92 due to the action of the screw threads, so that the detection alternation unit 10 on the movable block 95 is driven to change the height.
The detection alternation unit 10 comprises an alternation plate 101, an inner gear ring 102, side grooves 103, an alternation motor 104, an alternation gear 105 and a limit ring 106, wherein the limit ring 106 is provided with two parts which are fixedly sleeved on the side surface of the movable block 95, a circular hole in the middle of the alternation plate 101 is sleeved on the middle of the movable block 95 and is positioned between the two limit rings 106, the side grooves 103 are arranged on the side surface of the movable block 95, the alternation motor 104 is fixed in the side grooves 103, an output shaft of the alternation motor 104 is connected with the alternation gear 105, the inner gear ring 102 is arranged in the circular hole in the middle of the alternation plate 101, and the inner gear ring 102 is meshed with the alternation gear 105.
The circuit board which is manually checked for appearance drives the rotating plate 1 to rotate through the rotating power unit 3 and the rotating transmission unit 4, so that the circuit board which is manually checked for appearance is positioned at the rear side, the industrial camera 11 at the lower side of the alternate plate 101 takes a picture for keeping a gear, then the alternate motor 104 works to drive the alternate gear 105 to rotate, the alternate plate 101 can be driven to rotate by the meshing action with the inner gear ring 102 to rotate by one hundred eighty degrees, the detection equipment mounting plate 12 is aligned with the circuit board which is manually checked for appearance, then the detection equipment mounting plate 12 under the alternate plate 101 of the detection alternate unit 10 is driven to descend through the lifting unit 9, then the circuit on-off detection equipment mounted under the detection equipment mounting plate 12 is contacted with pins of the circuit board, after the detection is finished, the lifting unit 9 drives the detection alternate unit 10 to ascend, and then the inspector steps on the, the circuit board that makes the equipment detection has passed through rotates one hundred eighty degrees, and outside another circuit board that has been artifical the inspection this moment turns to and detects under the unit 10 alternately, and the circuit board that has passed through the equipment detection can be deducted through inspection personnel, then puts into the next circuit board that waits to detect, then artifical positive and negative observation appearance quality, waits for equipment to detect.
A detection method of a detection device of a PCB circuit board comprises the following steps:
the method comprises the following steps: placing the circuit board to be detected on the upper side of the step groove 63 of the bearing frame 61, then pressing the circuit board to be detected with force, pressing the fixture block spring 66 by the fixture block 64 to retract into the fixture block sliding groove 65, then pressing the circuit board to be detected into the step groove 63, extending the fixture block 64 to the upper side of the circuit board to be detected under the action of the fixture block spring 66 to complete the fixation of the circuit board to be detected, and then manually checking the upper side of the circuit board to be detected;
step two: then, a button 78 of the turnover control unit 7 is pressed, the clamping limit of the bearing frame 61 is released, then the bearing frame 61 is turned over, the back of the circuit board to be detected is upward, and the lower side of the circuit board to be detected is manually checked;
step three: the pedal 34 is stepped on by feet, the rotating plate 1 can be driven to rotate by one hundred eighty degrees through the transmission of the rotating transmission unit 4, then the next circuit board to be detected is placed in the other bearing frame 61, and the first step and the second step are repeated;
step four: the circuit board which is manually checked is located right below the industrial camera 11 at present, and visual detection and image retention are realized through the industrial camera 11;
step five: the alternate plate 101 of the detection alternate unit 10 is driven by the alternate motor 104 to rotate one hundred eighty degrees, then the circuit on-off detection equipment arranged below the detection equipment mounting plate 12 is enabled to face the circuit board which is manually checked, then the circuit on-off detection equipment is enabled to descend through the lifting unit 9, the detection head which descends the circuit on-off detection equipment is enabled to contact with pins on the circuit board to complete detection, and then the steps are repeated to carry out detection circularly.
In the second embodiment, referring to fig. 4 and 8, the second embodiment provides a technical solution: a PCB detection device, the difference of this embodiment and the embodiment is that, it also includes a turnover control unit 7, the turnover control unit 7 includes a turnover shaft 71, a rotary through slot 72, a turnover shaft fixing rod 73, a turnover shaft seat 74, a turnover control spring 75, a vertical rod 76, a sliding column 77, a button 78, a chuck 79 and a clamping slot 710, the middle parts of two sides of a bearing frame 61 are respectively fixed with the turnover shaft 71, the side of the detection through slot of a rotary plate 1 is provided with the rotary through slot 72 corresponding to the turnover shaft 71, the turnover shaft seat 74 is connected with the turnover shaft seat 74 in a rotary way, the turnover shaft seat 74 is fixed in the rotary through slot 72 through the turnover shaft fixing rod 73, one end of the turnover shaft 71 far away from the bearing frame 61 is fixed with the chuck 79, one side of the chuck 79 near the bearing frame 61 is provided with the clamping slot 710 at equal angle, one side of the rotary through slot 72 is provided with, smooth downthehole sliding connection traveller 77, the one end that traveller 77 is located the outside of rotor plate 1 is fixed with button 78, the one end that traveller 77 is located the inner chamber is fixed with montant 76, is equipped with upset control spring 75 between montant 76 and the one side that the inner chamber is close to bearing frame 61, and the tip of montant 76 extends to rotatory logical groove 72 in and be connected with the card post, card post and the joint in corresponding joint groove 710.
After observing the upside of the circuit board that awaits inspection on the bearing frame 61, press button 78, make the compression of upset control spring 75, the card post breaks away from with joint groove 710 this moment, with upset bearing frame 61 one hundred eighty degrees, make the downside of circuit board up, loosen button 78, upset control spring 75 kick-backs, the joint groove 710 is gone into to the card post card, the bearing frame 61 rigidity of joint circuit board, then the back of inspection circuit board, and it is fixed to the bearing frame 61 of joint circuit board, also make things convenient for the detection of follow-up equipment.
In the third embodiment, referring to fig. 8, the present embodiment provides a technical solution: the utility model provides a detection apparatus for PCB circuit board, the difference of this embodiment with above embodiment lies in, still include lighting unit 8, lighting unit 8 includes illumination branch 81, arc slide bar 82, sliding sleeve 83, gooseneck 84, lamp shade 85 and light 86, the front side of support ring 23 is equipped with two illumination branch 81 that control and correspond, the top of two illumination branch 81 of arc slide bar 82's both ends fixed connection, sliding connection has sliding sleeve 83 on the arc slide bar 82, the bottom of sliding sleeve 83 passes through gooseneck 84 and connects lamp shade 85, light 86 is installed to the bottom of lamp shade 85.
The transverse position of the illuminating lamp 86 can be changed by sliding the sliding sleeve 83 on the arc-shaped sliding rod 82, the illuminating lamp 86 can be changed by any angle through the gooseneck 84, the angle and the position of the inspector can be adjusted conveniently as required, and the lampshade 85 can prevent the light of the illuminating lamp 86 from directly irradiating the eyes of the inspector.
It is worth noting that the input ends of the lifting motor 94, the alternating motor 104 and the illuminating lamp 86 disclosed in the above embodiments are electrically connected with the output end of an external power supply through an external PLC controller, the PLC controller is placed above the support ring 23 to facilitate operation of an inspector, the lifting motor 94 and the alternating motor 104 both adopt servo motors, convenient and accurate control is achieved, specific power and model can be selected according to actual conditions, the alternating motor 104 needs to continuously rotate forward and backward by one hundred eighty degrees, the alternating plate 101 is prevented from continuously rotating in one direction to twist off a lead connected with the alternating motor 104, the illuminating lamp 86 adopts a common soft light, the external PLC controller can adopt a siemens brand, and the external PLC controller controls the lifting motor 94, the alternating motor 104 and the illuminating lamp 86 to work by adopting a common method in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a detection apparatus for PCB circuit board which characterized in that: comprises a rotating plate (1), a supporting unit (2), a rotating power unit (3), a rotating transmission unit (4), a sliding unit (5), a circuit board bearing unit (6), a lifting unit (9) and a detection alternating unit (10);
the supporting unit (2) comprises a chassis (21), a strut (22), a supporting ring (23), an annular groove (24), an axle seat (25) and a bearing (26), the rear side of the surface of the chassis (21) is connected with the supporting ring (23) through the strut (22), the annular groove (24) is formed in the inner side of the supporting ring (23), the axle seat (25) is fixed in the center of the surface of the chassis (21), and the bearing (26) is installed on the axle seat (25);
the rotary plate comprises a rotary plate (1), wherein two ends of the rotary plate (1) are respectively connected with an annular groove (24) in a sliding mode through a sliding unit (5), the bottom of the rotary plate (1) is connected with a rotary transmission unit (4), a rotary power unit (3) for driving the rotary transmission unit (4) is installed on a chassis (21), two symmetrical detection through grooves are formed in the surface of the rotary plate (1), and a circuit board bearing unit (6) is installed in each detection through groove;
and the lifting unit (9) is installed on the rear side of the chassis (21), the detection alternation unit (10) is installed on a movable block (95) of the lifting unit (9), and an industrial camera (11) and a detection equipment installation plate (12) are respectively arranged at two ends of the bottom of an alternation plate (101) of the detection alternation unit (10).
2. The PCB board detection device according to claim 1, wherein: the sliding unit (5) comprises an arc-shaped sliding block (51), a sliding installation groove (52), an elongated slot (53), a rectangular sliding block (54), a pulley (55), a wheel carrier (56), a telescopic rod (57) and a sliding spring (58), wherein the two ends of the rotating plate (1) are arc-shaped, the two ends of the rotating plate (1) are respectively fixed with the arc-shaped sliding block (51), the arc-shaped sliding block (51) is positioned in the annular slot (24), the sliding installation groove (52) is formed in the outer side of the arc-shaped sliding block (51), the elongated slot (53) is formed in the upper side and the lower side of the sliding installation groove (52), the rectangular sliding block (54) which is in sliding connection with the elongated slot (53) is arranged in the upper side and the lower side of the wheel carrier (56), the pulley (55) is rotatably connected to one end, extending out of the sliding installation groove (52), the pulley (55) is in rolling connection with the side face of the annular, the telescopic rod (57) is sleeved with a sliding spring (58).
3. The PCB board detection device according to claim 2, wherein: the rotary power unit (3) comprises short support rods (31), a U-shaped movable rod (32), a power spring (33), a pedal (34), a rear connecting rod (35), a reinforcing frame (36), an L-shaped fixed rod (37) and a top shaft (38), wherein the two short support rods (31) are arranged on the surface of the chassis (21), the top ends of the two short support rods (31) are respectively movably connected with the two ends of the U-shaped movable rod (32) through the top shaft (38), the front side of the middle part of the U-shaped movable rod (32) is fixedly connected with the pedal (34) through the reinforcing frame (36), the rear side of the middle part of the U-shaped movable rod (32) is connected with the rear connecting rod (35), the vertical end of the L-shaped fixed rod (37) is fixedly connected on the chassis (21), the horizontal end of the L-shaped fixed rod (37) is positioned right above the rear end, and the horizontal end of the L-shaped fixed rod (37) is connected with the rear end of the rear connecting rod (35) through a power spring (33).
4. The PCB board detection device of claim 3, wherein: the rotary transmission unit (4) comprises a movable short shaft (41), a movable long rod (42), a movable long shaft (43), a movable short end (44), a pin shaft (45), a fixed sleeve (46), a long support rod (47), a worm (48), an end shaft (49), a worm wheel (410) and a rotating shaft (411), wherein the center of the bottom of the rotating plate (1) is fixedly provided with the rotating shaft (411), the bottom end of the rotating shaft (411) rotates with a shaft seat (25) through a bearing (26), the middle part of the rotating shaft (411) is fixedly provided with the worm wheel (410), two corresponding long support rods (47) are fixedly arranged on a chassis (21), the top ends of the two long support rods (47) are respectively and rotatably connected with the end shaft (49), the two end shafts (49) are respectively connected with two ends of the worm (48), the worm (48) is connected with the worm wheel (410) in a matched manner, one ends, far away from the worm (48), of, the side surfaces of the two fixed sleeves (46) are connected with one end of a movable short end (44), the other ends of the two movable short ends (44) are respectively movably connected with one end of a movable long rod (42) through a movable long shaft (43), and the other ends of the two movable long rods (42) are respectively movably connected with the middle parts of the two outer sides of the U-shaped movable rod (32) through a movable short shaft (41).
5. The PCB board detection device of claim 4, wherein: the circuit board bearing unit (6) comprises a bearing frame (61), a buckling groove (62), a step groove (63), a clamping block (64), a clamping block sliding groove (65) and a clamping block spring (66), the step groove (63) is formed in the top of the inner side of the bearing frame (61), the buckling groove (62) communicated with the step groove (63) is formed in one side, close to the end portion of the rotating plate (1), of the bearing frame (61), the clamping block sliding groove (65) is formed in two side faces of the step groove (63), the clamping block sliding groove (65) is connected with the clamping block (64) through the clamping block spring (66) in the clamping block sliding groove (65), one end, close to the clamping block spring (66), of the clamping block (64) is in sliding connection with the clamping block sliding groove (65).
6. The PCB board detection device of claim 5, wherein: lifting unit (9) includes bottom plate (91), guide arm (92), screw rod (93), elevator motor (94), movable block (95), roof (96), screw (97) and slide opening (98), the rear side of chassis (21) is fixed with bottom plate (91), bottom plate (91) are connected with roof (96) through vertical guide arm (92), it is connected with vertical screw rod (93) still to rotate between bottom plate (91) and roof (96), be fixed with elevator motor (94) on roof (96), the output shaft screw rod (93) of elevator motor (94), movable block (95) are discoid, screw hole (97) and slide opening (98) have been seted up on movable block (95) respectively, screw rod (93) are connected with screw hole (97) screw-thread fit, guide arm (92) and slide opening (98) sliding connection.
7. The PCB board detection device of claim 6, wherein: detect unit (10) in turn and include board (101) in turn, interior ring gear (102), side groove (103), motor (104) in turn, gear (105) and spacing ring (106) in turn, spacing ring (106) are equipped with two and fix the side of cup jointing at movable block (95), board (101) middle part round hole cup joints at the middle part of movable block (95) in turn and is located between two spacing rings (106), side groove (103) have been seted up to the side of movable block (95), side groove (103) internal fixation has motor (104) in turn, gear (105) are alternated in the output shaft connection of motor (104) in turn, be equipped with interior ring gear (102) in board (101) middle part round hole in turn, interior ring gear (102) are connected with gear (105) in turn meshing.
8. The PCB board inspection device of claim 7, wherein: the turnover mechanism is characterized by further comprising a turnover control unit (7), wherein the turnover control unit (7) comprises a turnover shaft (71), a rotary through groove (72), a turnover shaft fixing rod (73), a turnover shaft seat (74), a turnover control spring (75), a vertical rod (76), a sliding column (77), a button (78), a chuck (79) and a clamping groove (710), the middle parts of two sides of the bearing frame (61) are respectively fixed with the turnover shaft (71), the side surface of the detection through groove of the rotating plate (1) is provided with the rotary through groove (72) corresponding to the turnover shaft (71), the turnover shaft seat (74) is rotatably connected on the turnover shaft (71), the turnover shaft seat (74) is fixed in the rotary through groove (72) through the turnover shaft fixing rod (73), the chuck (79) is fixed at one end of the turnover shaft (71) far away from the bearing frame (61), the clamping groove (710) is arranged at one side of the chuck, one side of rotatory logical groove (72) is equipped with the inner chamber, the rounding off hole with the inner chamber intercommunication is seted up to the side of rotor plate (1), the downthehole sliding connection traveller (77) of rounding off, traveller (77) are located rotor plate (1) outer one end and are fixed with button (78), the one end that traveller (77) are located the inner chamber is fixed with montant (76), be equipped with upset control spring (75) between one side that montant (76) and inner chamber are close to bearing frame (61), the tip of montant (76) extends to in rotatory logical groove (72) and is connected with the card post, card post and corresponding joint groove (710) joint.
9. The PCB board inspection device of claim 8, wherein: still include lighting unit (8), lighting unit (8) include illumination branch (81), arc slide bar (82), sliding sleeve (83), gooseneck (84), lamp shade (85) and light (86), the front side of support ring (23) is equipped with illumination branch (81) that correspond about two, the top of two illumination branch (81) of both ends fixed connection of arc slide bar (82), sliding connection has sliding sleeve (83) on arc slide bar (82), lamp shade (85) are connected through gooseneck (84) in the bottom of sliding sleeve (83), light (86) are installed to the bottom of lamp shade (85).
10. The inspection method of an inspection apparatus for PCB circuit board as claimed in any one of claims 1 to 9, wherein: comprises the following steps:
the method comprises the following steps: placing a circuit board to be detected on the upper side of a step groove (63) of a bearing frame (61), then pressing the circuit board to be detected with force, pressing a fixture block spring (66) by a fixture block (64) to retract into a fixture block sliding groove (65), then pressing the circuit board to be detected into the step groove (63), extending the fixture block (64) to the upper side of the circuit board to be detected under the action of the fixture block spring (66), completing the fixation of the circuit board to be detected, and then manually checking the upper side of the circuit board to be detected;
step two: then, a button (78) of the turnover control unit (7) is pressed, the clamping limit of the bearing frame (61) is released, then the bearing frame (61) is turned over, the back of the circuit board to be detected is upward, and the lower side of the circuit board to be detected is manually checked;
step three: the pedal (34) is stepped by feet, the rotating plate (1) can be driven to rotate by one hundred and eighty degrees through the transmission of the rotating transmission unit (4), then the next circuit board to be detected is placed in the other bearing frame (61), and the first step and the second step are repeated;
step four: the circuit board which is manually checked is located right below the industrial camera (11) at present, and visual detection and image retention are realized through the industrial camera (11);
step five: an alternate plate (101) of the detection alternate unit (10) is driven by an alternate motor (104) to rotate one hundred eighty degrees, then circuit on-off detection equipment arranged below the detection equipment mounting plate (12) is enabled to be right opposite to a circuit board which is manually checked, then the circuit on-off detection equipment is enabled to descend through the lifting unit (9), a detection head which enables the circuit on-off detection equipment to descend is enabled to be in contact with pins on the circuit board, detection is completed, and then the steps are repeated to carry out detection in a circulating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011241846.6A CN112433141A (en) | 2020-11-09 | 2020-11-09 | Detection device and detection method for PCB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011241846.6A CN112433141A (en) | 2020-11-09 | 2020-11-09 | Detection device and detection method for PCB |
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| Publication Number | Publication Date |
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| CN112433141A true CN112433141A (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011241846.6A Withdrawn CN112433141A (en) | 2020-11-09 | 2020-11-09 | Detection device and detection method for PCB |
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| Country | Link |
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| CN (1) | CN112433141A (en) |
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| CN113137917A (en) * | 2021-04-13 | 2021-07-20 | 重庆市和鑫达电子有限公司 | PCB hole position detection device |
| CN113418550A (en) * | 2021-08-24 | 2021-09-21 | 江苏长江智能制造研究院有限责任公司 | Visual detection device for industrial part production detection and use method |
| CN114061666A (en) * | 2021-11-22 | 2022-02-18 | 王少龙 | Environment monitoring device convenient to adjust |
| CN114113976A (en) * | 2021-11-07 | 2022-03-01 | 武汉宇隆光电科技有限公司 | PCBA circuit board multinomial function test device |
| CN116124571A (en) * | 2022-11-18 | 2023-05-16 | 濮阳市邦士电子科技有限公司 | Printed circuit board pull-out strength tester |
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- 2020-11-09 CN CN202011241846.6A patent/CN112433141A/en not_active Withdrawn
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| CN113137917A (en) * | 2021-04-13 | 2021-07-20 | 重庆市和鑫达电子有限公司 | PCB hole position detection device |
| CN113137917B (en) * | 2021-04-13 | 2023-01-13 | 重庆市和鑫达电子有限公司 | PCB hole position detection device |
| CN113418550A (en) * | 2021-08-24 | 2021-09-21 | 江苏长江智能制造研究院有限责任公司 | Visual detection device for industrial part production detection and use method |
| CN114113976A (en) * | 2021-11-07 | 2022-03-01 | 武汉宇隆光电科技有限公司 | PCBA circuit board multinomial function test device |
| CN114061666A (en) * | 2021-11-22 | 2022-02-18 | 王少龙 | Environment monitoring device convenient to adjust |
| CN116124571B (en) * | 2022-11-18 | 2024-02-09 | 北京聚仪共享科技有限公司 | Printed circuit board pull-out strength tester |
| CN116124571A (en) * | 2022-11-18 | 2023-05-16 | 濮阳市邦士电子科技有限公司 | Printed circuit board pull-out strength tester |
| CN116184173A (en) * | 2023-03-08 | 2023-05-30 | 苏州雨和晴汽车科技有限公司 | Testing device for annular PCB (printed circuit board) of front-row cosmetic lamp of automobile |
| CN116184173B (en) * | 2023-03-08 | 2023-08-18 | 苏州雨和晴汽车科技有限公司 | Testing device for annular PCB (printed circuit board) of front-row cosmetic lamp of automobile |
| CN117420133A (en) * | 2023-12-18 | 2024-01-19 | 南通悦驰电子科技开发有限公司 | Automatic detection device for PCB (printed circuit board) of electric vehicle |
| CN117420133B (en) * | 2023-12-18 | 2024-02-23 | 南通悦驰电子科技开发有限公司 | Automatic detection device for PCB (printed circuit board) of electric vehicle |
| CN118032761A (en) * | 2024-03-05 | 2024-05-14 | 江西志博信科技股份有限公司 | Circuit board finished product detection equipment for notebook computer and use method |
| CN118032761B (en) * | 2024-03-05 | 2024-08-20 | 江西志博信科技股份有限公司 | Circuit board finished product detection equipment for notebook computer and use method |
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Application publication date: 20210302 |