CN116224030A - Circuit board detection device with adjustable distance - Google Patents
Circuit board detection device with adjustable distance Download PDFInfo
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- CN116224030A CN116224030A CN202310230536.1A CN202310230536A CN116224030A CN 116224030 A CN116224030 A CN 116224030A CN 202310230536 A CN202310230536 A CN 202310230536A CN 116224030 A CN116224030 A CN 116224030A
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- sliding
- detection
- circuit board
- lifting
- translation
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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
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
- G01R1/07307—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card
- G01R1/07314—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card the body of the probe being perpendicular to test object, e.g. bed of nails or probe with bump contacts on a rigid support
- G01R1/07328—Multiple probes with individual probe elements, e.g. needles, cantilever beams or bump contacts, fixed in relation to each other, e.g. bed of nails fixture or probe card the body of the probe being perpendicular to test object, e.g. bed of nails or probe with bump contacts on a rigid support for testing printed circuit boards
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Tests Of Electronic Circuits (AREA)
Abstract
The invention discloses a circuit board detection device with adjustable distance, and relates to the field of circuit board detection equipment. According to the invention, the translation assembly can drive the sliding sleeves to move outwards in a diffusion manner under the drive of the drive assembly so as to adjust the distance between the adjacent detection probes, and the distance between the adjacent detection probes is always the same in the adjustment process, so that the detection mechanism can detect circuit boards with different types and different pin distances through the detection probes, meanwhile, the translation rack and the lifting transmission assembly cooperate to carry out lifting adjustment on the detection probes on each sliding sleeve, so that the redundant detection probes can be moved upwards and retracted according to the number of pins on the circuit boards, the number of the probes for detection is just the same as that of the pins of the circuit boards, and the detection can be carried out for the circuit boards with different types and different pin numbers.
Description
Technical Field
The invention belongs to the field of circuit board detection equipment, and particularly relates to a circuit board detection device with adjustable spacing.
Background
The manufacturing production process of circuit board needs to carry out quality testing side and can leave the factory, because the pin interval, the pin quantity are different on the circuit board of different models, unidimensional, consequently when detecting the circuit board of different models, unidimensional, need change different probe modules for the quantity of detection probes in the probe module and the interval of detection probes just with wait to detect the pin quantity, the interval of circuit board, and the installation of probe module is just troublesome with dismantlement itself, and each circuit board corresponds a probe module moreover, increased the manufacturing cost of probe module, in case the business demand increases, the production efficiency of enterprise can necessarily be reduced to the different probe modules of interim preparation.
Chinese patent CN209280874U discloses a combination formula PCB circuit board device of adjustable interval, through manual rotation adjustment head, makes every probe module synchronous movement, guarantees that the distance of adjusting is unanimous to the detection requirement of adaptation various specification circuit boards, operating personnel need not to disassemble and assemble the probe module again, and then effectively reduces operating personnel's intensity of labour, improves the efficiency that the circuit board detected. However, the above patent can only adjust the pitch of the probe module to adapt to the detection of circuit boards of the same model and different sizes, but cannot be applied to the detection of circuit boards of different models and different pin numbers.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a circuit board detection device with adjustable spacing, which aims to solve the technical problems that the existing detection device can adjust the spacing of a probe module to adapt to the detection of circuit boards with the same model and different sizes, but cannot adapt to the detection of circuit boards with different models and different pin numbers.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a circuit board detection device with adjustable spacing, which comprises a detection mechanism, a spacing adjustment mechanism and a lifting adjustment mechanism; the detection mechanism comprises a detection table, a hydraulic lifting assembly and detection probes, wherein a circuit board jig is fixedly arranged on the top surface of the detection table, and a plurality of detection probes are arranged above the circuit board jig through the hydraulic lifting assembly;
the space adjusting mechanism comprises a driving assembly, a translation assembly and a plurality of sliding sleeves, the sliding sleeves are arranged on the hydraulic lifting assembly through the translation assembly, the lower end of each sliding sleeve is provided with a detection probe, the driving assembly is in transmission connection with the translation assembly, and the translation assembly drives the sliding sleeves to outwards diffuse and move under the driving of the driving assembly so as to adjust the space between adjacent detection probes;
the lifting adjusting mechanism comprises a translation adjusting assembly, a translation rack and a plurality of lifting transmission assemblies, wherein the plurality of detection probes are respectively installed at the lower ends of the plurality of sliding sleeves through the lifting transmission assemblies, the translation rack is installed at one side of the lifting transmission assemblies through the translation adjusting assembly, and when the translation assembly drives the plurality of sliding sleeves to move in an outward diffusion manner so that the sliding sleeves drive the lifting transmission assemblies to move through the translation rack, the translation rack drives the detection probes to be stored in an ascending manner through the lifting transmission assemblies.
Further, the hydraulic lifting assembly comprises a support, a hydraulic cylinder above the circuit board jig is fixedly arranged at the top end of the support, lifting plates are fixedly arranged at the telescopic ends of the hydraulic cylinders, and side plates are fixedly arranged at two sides of the bottom surface of the lifting plates.
Further, the top surface fixed mounting of test bench has the gag lever post, lifter plate slidable mounting in on the gag lever post, the top of gag lever post with fixed mounting has the reinforcement connecting rod between the support.
Further, the driving assembly comprises a screw rod and a motor, the screw rod is rotatably arranged between the two side plates, the motor is fixedly arranged on the outer side face of the side plates and is in transmission connection with the end part of the screw rod, a threaded sleeve is arranged on the screw rod, a connecting block is fixedly arranged at the bottom end of the threaded sleeve, and the bottom end of the connecting block is fixedly connected with the sliding sleeve at the outermost side.
Further, the translation assembly comprises a sliding rail, a plurality of connecting rods and a plurality of connecting columns, wherein the sliding rail is fixedly arranged between the two side plates, one end of the sliding rail is fixedly provided with a fixed sleeve, and the sliding sleeves are sequentially and slidably arranged on the sliding rail;
the connecting rods are intersected in pairs and are connected through the connecting columns in a rotating mode to form a plurality of intersecting supports, the intersecting supports are sequentially installed on one sides of the fixed sleeve and the sliding sleeve in a rotating mode through the connecting columns, and the end portions of the intersecting supports are sequentially connected in a rotating mode through the connecting columns to form an intersecting connecting rod.
Further, the translation adjusting component comprises a sliding rod, a sliding seat and a hand-screwed bolt, wherein the sliding rod is fixedly arranged between the two side plates, the sliding seat is slidably arranged on the sliding rod, the translation rack is fixedly arranged at the bottom of the sliding seat, the hand-screwed bolt is rotatably arranged at one side of the sliding seat, and the end part of the hand-screwed bolt is abutted to the sliding rod so that the sliding seat is locked and fixed.
Further, the lifting transmission assembly comprises an L-shaped frame, a probe seat and a limiting piece, wherein the L-shaped frame is fixedly arranged at the bottom of the sliding sleeve, the probe seat is slidably arranged on the L-shaped frame, the bottom end of the probe seat is provided with the detection probe, and the back surface of the probe seat is fixedly provided with a lifting rack;
the L-shaped frame is provided with a through hole, a rotating shaft is rotatably arranged in the through hole, a driving gear in meshed transmission connection with the lifting rack is fixedly arranged on the rotating shaft, a driven bevel gear is fixedly arranged at one end of the rotating shaft, a transmission shaft is rotatably arranged at the back of the L-shaped frame, a driven gear is fixedly arranged at one end of the transmission shaft, a driving bevel gear in meshed transmission connection with the driven bevel gear is fixedly arranged at the other end of the transmission shaft, and the driven gear is tangent to the translation rack;
the limiting piece is arranged on the probe seat and is clamped with the L-shaped frame, so that the probe seat is clamped and fixed on the L-shaped frame.
Further, the limiting piece comprises two sliding holes which are distributed up and down and are formed in the probe seat, sliding blocks are slidably arranged in the two sliding holes, a reset spring is arranged on the inner side face of each sliding block in an abutting mode, and a limiting column is fixedly arranged on the outer side face of each sliding block.
Further, the top fixed mounting of detection probe has the roof, the lift spout has been seted up to the bottom of probe seat, roof slidable mounting in the lift spout, buffer spring is installed in the top surface butt of roof, the bottom surface of roof install the butt in the packing ring of lift spout tank bottom.
The invention has the following beneficial effects:
1. according to the invention, the translation assembly can drive the sliding sleeves to move outwards in a diffusion manner under the drive of the drive assembly so as to adjust the distance between the adjacent detection probes, and the distance between the adjacent detection probes is always the same in the adjustment process, so that the detection mechanism can detect circuit boards with different types and different pin distances through the detection probes, meanwhile, the translation rack and the lifting transmission assembly cooperate to carry out lifting adjustment on the detection probes on each sliding sleeve, so that the redundant detection probes can be moved upwards and retracted according to the number of pins on the circuit boards, the number of the probes for detection is just the same as that of the pins of the circuit boards, and the detection can be carried out for the circuit boards with different types and different pin numbers.
2. According to the invention, the position of the translation rack can be regulated through the translation regulating assembly, after the number of pins and the pin spacing on the circuit board to be detected are determined, the total length of the pins on the circuit board can be calculated, then the translation rack is regulated to the corresponding position through the translation regulating assembly, then when the translation assembly drives the sliding sleeve and the detection probes to diffuse outwards to move to regulate the spacing of the probes, the sliding sleeve drives the lifting transmission assembly to move through the translation rack, and at the moment, the translation rack drives the detection probes to retract upwards through the lifting transmission assembly, so that the redundant detection probes are automatically retracted upwards when the spacing of the detection probes is regulated, and the redundant detection probes do not need to be manually retracted upwards one by one, so that the upward regulation process of the detection probes is more convenient and rapid.
3. According to the invention, the distance adjusting mechanism and the lifting adjusting mechanism are used for adjusting the distance and the number of the probes, so that the detecting mechanism can detect circuit boards with different types and sizes, and operators do not need to disassemble and assemble the probe modules again when detecting different types of circuit boards, thereby effectively reducing the labor intensity of the operators, improving the detecting efficiency of the circuit boards, reducing the using number of the probe modules and reducing the detecting cost.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the invention, the drawings that are needed for the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a detection mechanism according to the present invention;
FIG. 2 is a schematic view of the structure of the present invention shown in FIG. 1 at a partially enlarged scale;
FIG. 3 is a schematic view of a three-dimensional cut-away structure of a lifter plate according to the present invention;
FIG. 4 is a schematic view of the structure of the present invention shown in FIG. 3 at B in a partially enlarged manner;
FIG. 5 is a schematic diagram of a second perspective cut-away structure of the lifter plate of the present invention;
FIG. 6 is a schematic view of a partially enlarged structure of the present invention at C of FIG. 5;
FIG. 7 is a schematic view of a three-dimensional cutaway structure of a probe seat according to the present invention;
FIG. 8 is a schematic view of a partially enlarged structure of the invention at D of FIG. 7;
fig. 9 is a schematic diagram of a three-dimensional cutaway structure of the probe holder of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a detection mechanism; 11. a detection table; 12. a bracket; 13. a limit rod; 14. reinforcing the connecting rod; 15. a hydraulic cylinder; 16. a lifting plate; 17. detecting a probe; 18. a circuit board fixture; 19. a side plate; 2. a spacing adjustment mechanism; 21. a screw rod; 22. a motor; 23. a thread sleeve; 24. a connecting block; 25. a slide rail; 26. a sliding sleeve; 27. a fixed sleeve; 28. a connecting rod; 29. a connecting column; 3. a lifting adjusting mechanism; 31. an L-shaped frame; 32. a probe seat; 33. a rotating shaft; 34. a driven bevel gear; 35. a drive gear; 36. lifting the rack; 37. a drive bevel gear; 38. a transmission shaft; 39. a driven gear; 310. a slide bar; 311. a sliding seat; 312. translating the rack; 313. screwing the bolt by hand; 314. lifting sliding grooves; 315. a top plate; 316. a buffer spring; 317. a gasket; 318. a slide hole; 319. a return spring; 320. a slide block; 321. and a limit column.
Description of the embodiments
The following description of the technical solutions in the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, based on the embodiments in the invention, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "top," "middle," "inner," and the like indicate an orientation or positional relationship, merely for convenience of description and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Referring to fig. 1, 2 and 6, the invention is a circuit board detecting device with adjustable spacing, which comprises a detecting mechanism 1, a spacing adjusting mechanism 2 and a lifting adjusting mechanism 3; the detection mechanism 1 comprises a detection table 11, a hydraulic lifting assembly and detection probes 17, wherein a circuit board jig 18 is fixedly arranged on the top surface of the detection table 11, and a plurality of detection probes 17 are arranged above the circuit board jig 18 through the hydraulic lifting assembly; the space adjusting mechanism 2 comprises a driving assembly, a translation assembly and a plurality of sliding sleeves 26, the sliding sleeves 26 are arranged on the hydraulic lifting assembly through the translation assembly, the lower end of each sliding sleeve 26 is provided with a detection probe 17, the driving assembly is in transmission connection with the translation assembly, and the translation assembly drives the sliding sleeves 26 to outwards diffuse and move under the driving of the driving assembly so as to adjust the space between the adjacent detection probes 17; the lifting adjusting mechanism 3 comprises a translation adjusting assembly, a translation rack 312 and a plurality of lifting transmission assemblies, wherein a plurality of detection probes 17 are respectively arranged at the lower ends of a plurality of sliding sleeves 26 through the plurality of lifting transmission assemblies, the translation rack 312 is arranged at one side of the lifting transmission assemblies through the translation adjusting assembly, and when the translation assembly drives the plurality of sliding sleeves 26 to diffuse outwards to move so that the sliding sleeves 26 drive the lifting transmission assemblies to move through the translation rack 312, the translation rack 312 drives the detection probes 17 to be stored upwards through the lifting transmission assemblies;
before detection, according to the number of pins and the pin spacing on a circuit board to be detected, calculating the total length of the pins on the circuit board by the number of the pins and the adjacent pin spacing, then moving the translation rack 312 by a corresponding distance from left to right on the translation assembly by the translation adjusting assembly, and then driving the sliding sleeve 26 and the detection probes 17 to diffuse outwards by the translation assembly to adjust the spacing of the detection probes 17 until the spacing between the adjacent detection probes 17 is the same as the spacing of the pins on the circuit board; simultaneously, the sliding sleeve 26 with the excessive right side drives the lifting transmission assembly to move through the translation rack 312, and at the moment, the translation rack 312 is meshed to drive the lifting transmission assembly to work, so that the lifting transmission assembly drives the detection probe 17 which moves through the translation rack 312 along with the sliding sleeve 26 to be retracted upwards, and the excessive detection probe 17 is retracted upwards;
during detection, the circuit board to be detected is clamped on the detection table 11 through the circuit board jig 18, pins on the circuit board to be detected are just corresponding to the adjusted detection probes 17 one by one, and then all the detection probes 17 are driven to synchronously descend through the hydraulic driving assembly until the bottom ends of the detection probes 17 are abutted to corresponding circuit board pins, and then the circuit board is detected through the detection probes 17.
According to the invention, the distance between the detection probes 17 and the number of the extended detection probes 17 are regulated through the distance regulating mechanism 2 and the lifting regulating mechanism 3, so that the detection mechanism 1 can detect circuit boards with different types and sizes, and operators do not need to disassemble and assemble the probe modules again when detecting different types of circuit boards, thereby effectively reducing the labor intensity of the operators, improving the detection efficiency of the circuit boards, reducing the use quantity of the probe modules and reducing the detection cost.
Referring to fig. 1 and 2, in one embodiment, the hydraulic lifting assembly includes a bracket 12, a hydraulic cylinder 15 above a circuit board fixture 18 is fixedly mounted at the top end of the bracket 12, a lifting plate 16 is fixedly mounted at the telescopic end of the hydraulic cylinder 15, and side plates 19 are fixedly mounted at both sides of the bottom surface of the lifting plate 16; the detection probe 17 is arranged between the two side plates 19 through the interval adjusting mechanism 2 and the lifting adjusting mechanism 3, and when the hydraulic lifting assembly works, the hydraulic cylinder 15 drives the lifting plate 16 and the side plates 19 to move downwards, so that the detection probe 17 is driven to move downwards to detect the circuit board.
Referring to fig. 1, in one embodiment, a limit rod 13 is fixedly mounted on a top surface of a detection table 11, a lifting plate 16 is slidably mounted on the limit rod 13, a reinforcing connecting rod 14 is fixedly mounted between a top end of the limit rod 13 and a support 12, the limit rod 13 can guide and limit the lifting plate 16 when the lifting plate 16 descends, so that the lifting plate 16 moves more stably, the detection probe 17 descends more stably, and alignment of the detection probe 17 and a circuit board pin is ensured.
Referring to fig. 1 and 2, in one embodiment, the driving assembly includes a screw 21 and a motor 22, the screw 21 is rotatably mounted between two side plates 19, the motor 22 is fixedly mounted on an outer side surface of the side plate 19 and is in transmission connection with an end portion of the screw 21, a threaded sleeve 23 is mounted on the screw 21, a connecting block 24 is fixedly mounted at a bottom end of the threaded sleeve 23, and a bottom end of the connecting block 24 is fixedly connected with a sliding sleeve 26 at an outermost side; the translation assembly comprises a sliding rail 25, a plurality of connecting rods 28 and a plurality of connecting columns 29, wherein the sliding rail 25 is fixedly arranged between the two side plates 19, one end of the sliding rail 25 is fixedly provided with a fixed sleeve 27, and a plurality of sliding sleeves 26 are sequentially and slidably arranged on the sliding rail 25; the connecting rods 28 are crossed in pairs and are rotationally connected through connecting columns 29 to form a plurality of crossed brackets, the plurality of crossed brackets are sequentially rotationally arranged on one side of the fixed sleeve 27 and one side of the plurality of sliding sleeves 26 through the connecting columns 29, and the end parts of the plurality of crossed brackets are sequentially rotationally connected through the connecting columns 29 to form a crossed connecting rod;
during interval adjustment, the motor 22 drives the screw rod 21 to rotate, so that the screw sleeve 23 is driven to move rightwards along the screw rod 21 through screw transmission, meanwhile, the screw sleeve 23 drives the rightmost sliding sleeve 26 to move rightwards through the connecting block 24, and drives the rightmost end of the cross connecting rod to move rightwards, meanwhile, as the leftmost end of the cross connecting rod is in positioning connection with the fixed sleeve 27, the cross connecting rod can be gradually opened under the action of tensile force, and when the cross connecting rod is opened, the connecting column 29 at the leftmost end is used as a fulcrum to gradually move rightwards in a diffusing manner, and the connecting column 29, the sliding sleeve 26 and the detection probes 17 are driven to move rightwards in a diffusing manner, so that the interval between adjacent detection probes 17 is adjusted and increased, and the interval between the adjacent detection probes 17 is kept unchanged.
Referring to fig. 3-6, in one embodiment, the translation adjusting assembly includes a slide bar 310, a slide seat 311 and a hand screw 313, the slide bar 310 is fixedly installed between the two side plates 19, the slide seat 311 is slidably installed on the slide bar 310, the translation rack 312 is fixedly installed at the bottom of the slide seat 311, the hand screw 313 is rotatably installed at one side of the slide seat 311, and the end of the hand screw 313 is abutted against the slide bar 310 to fix the slide seat 311 in a locking manner; the lifting transmission assembly comprises an L-shaped frame 31, a probe seat 32 and a limiting piece, wherein the L-shaped frame 31 is fixedly arranged at the bottom of the sliding sleeve 26, the probe seat 32 is slidably arranged on the L-shaped frame 31, the bottom end of the probe seat 32 is provided with a detection probe 17, and the back surface of the probe seat 32 is fixedly provided with a lifting rack 36; the L-shaped frame 31 is provided with a through hole, a rotating shaft 33 is rotatably arranged in the through hole, a driving gear 35 which is in meshed transmission connection with a lifting rack 36 is fixedly arranged on the rotating shaft 33, a driven bevel gear 34 is fixedly arranged at one end of the rotating shaft 33, a transmission shaft 38 is rotatably arranged at the back of the L-shaped frame 31, a driven gear 39 is fixedly arranged at one end of the transmission shaft 38, a driving bevel gear 37 which is in meshed transmission connection with the driven bevel gear 34 is fixedly arranged at the other end of the transmission shaft 38, and the driven gear 39 is tangential to a translation rack 312;
when the position of the translation rack 312 is adjusted, firstly, the hand-screwing bolt 313 is unscrewed to unlock the sliding seat 311, then the sliding seat 311 is slidingly adjusted on the sliding rod 310 to a corresponding position, so that the translation rack 312 is driven to move to the corresponding position, and then the hand-screwing bolt 313 is screwed to lock and fix the sliding seat 311 and the translation rack 312 again; when the sliding sleeve 26 moves through the position of the translation rack 312, the sliding sleeve 26 drives the driven gear 39 to pass through the lower part of the translation rack 312, at this time, the translation rack 312 drives the driven gear 39 to rotate, and then drives the transmission shaft 38 and the drive bevel gear 37 to rotate clockwise, and the drive bevel gear 37 is meshed to drive the driven bevel gear 34 to rotate anticlockwise when rotating clockwise, so as to drive the rotating shaft 33 and the drive bevel gear 35 to rotate anticlockwise, and drive the lifting rack 36 to move upwards when rotating anticlockwise, and then the lifting rack 36 drives the probe seat 32 to move upwards, and the probe seat 32 drives the detection probe 17 to move upwards, so that the bottom of the detection probe 17 is higher than the bottoms of other detection probes 17 which do not move in the upward movement process, and a certain interval is reserved between the detection probe 17 after the movement and a circuit board when the circuit board is detected later, and the detection of the circuit board is not blocked.
Further, the limiting piece is mounted on the probe seat 32 and is clamped with the L-shaped frame 31, so that the probe seat 32 is clamped and fixed on the L-shaped frame 31; the locating part is used for carrying out elasticity spacing to probe holder 32, guarantees the stability of probe holder 32 and detection probe 17 installation on L shape frame 31, and when probe holder 32 lift adjustment simultaneously, the locating part is retracted by L shape frame 31 butt, can not influence the lift adjustment of probe holder 32.
Referring to fig. 7-9, in one embodiment, the limiting member includes two sliding holes 318 disposed on the probe seat 32 and distributed vertically, a sliding block 320 is slidably mounted in each sliding hole 318, a return spring 319 is mounted on an inner side surface of the sliding block 320 in an abutting manner, and a limiting post 321 is fixedly mounted on an outer side surface of the sliding block 320; the ends of the limiting columns 321 are provided with arc-shaped ends, and when the probe seat 32 and the detection probe 17 are positioned at the detection position, the arc-shaped ends of the two limiting columns 321 are respectively abutted to the upper surface and the lower surface of the L-shaped frame 31, so that the probe seat 32 is limited and clamped through the limiting columns 321; when the probe seat 32 goes up, the arc end of the lower limit post 321 retracts into the sliding hole 318 under the abutting action of the L-shaped frame 31, and the abutting limit is not performed any more, so that the probe seat 32 is convenient to go up along the L-shaped frame 31 until the lower limit post 321 moves to the upper side of the L-shaped frame 31, at the moment, the limit post 321 stretches out under the action of the reset elastic force of the reset spring 319, the arc end of the lower limit post 321 abuts against the top surface of the L-shaped frame 31, the probe seat 32 is limited and fixed, and the probe seat 32 is prevented from going down.
Referring to fig. 7, in one embodiment, a top plate 315 is fixedly installed at the top end of the detection probe 17, a lifting chute 314 is provided at the bottom end of the probe seat 32, the top plate 315 is slidably installed in the lifting chute 314, a buffer spring 316 is installed on the top surface of the top plate 315 in an abutting manner, and a gasket 317 is installed on the bottom surface of the top plate 315 in an abutting manner on the bottom of the lifting chute 314; when the bottom end of the detection probe 17 is in downward butt joint with the pins of the circuit board, the buffer spring 316 and the gasket 317 cooperate to buffer and protect the detection probe 17, so that the detection probe 17 is prevented from being damaged due to hard contact collision with the pins, and the service life of the detection probe 17 can be prolonged.
The using mode is as follows:
firstly, according to the number of pins and the pin spacing on a circuit board to be detected, calculating the total length of the pins on the circuit board by the number of the pins and the adjacent pin spacing, loosening a hand-screwing bolt 313 to unlock a sliding seat 311, sliding the sliding seat 311 on a sliding rod 310 to be adjusted to a corresponding position, driving a translation rack 312 to move to the corresponding position, screwing the hand-screwing bolt 313, and locking and fixing the sliding seat 311 and the translation rack 312 again;
the screw rod 21 is driven to rotate through the motor 22, so that the screw sleeve 23 is driven to move rightwards along the screw rod 21 through screw transmission, meanwhile, the screw sleeve 23 drives the rightmost sliding sleeve 26 to move rightwards through the connecting block 24, and drives the rightmost end of the cross connecting rod to move rightwards, meanwhile, as the leftmost end of the cross connecting rod is in positioning connection with the fixed sleeve 27, the cross connecting rod can be gradually opened under the action of tensile force, and when the cross connecting rod is opened, the connecting column 29 at the leftmost end is used as a fulcrum to gradually move rightwards in a diffusing way, and the connecting column 29, the sliding sleeve 26 and the detection probes 17 are driven to move rightwards in a diffusing way, so that the distance between the adjacent detection probes 17 is adjusted and increased, and the distance between the adjacent detection probes 17 is kept unchanged;
when the sliding sleeve 26 on the right moves right through the position of the translation rack 312, the sliding sleeve 26 drives the driven gear 39 to pass through the lower part of the translation rack 312, at the moment, the translation rack 312 drives the driven gear 39 to rotate so as to drive the transmission shaft 38 and the driving bevel gear 37 to rotate clockwise, the driving bevel gear 37 is meshed to drive the driven bevel gear 34 to rotate anticlockwise when rotating clockwise, thereby driving the rotating shaft 33 and the driving gear 35 to rotate anticlockwise, and the lifting rack 36 is driven to move upwards when the driving gear 35 rotates anticlockwise so as to drive the probe seat 32 and the detection probes 17 to be stored upwards until the distance between the adjacent detection probes 17 is the same as the pin distance of the circuit board, and at the moment, the redundant detection probes 17 are stored upwards along with the probe seat 32, so that the number and the distance of the detection probes 17 in use are identical to the pin number and the distance of the circuit board;
the circuit board to be detected is clamped on the detection table 11 through the circuit board jig 18, pins on the circuit board to be detected just correspond to the adjusted detection probes 17 one by one, and then the lifting plate 16 and the side plates 19 are driven to descend through the hydraulic cylinders 15, so that the detection probes 17 are driven until the bottom ends of the detection probes 17 are abutted to the pins of the circuit board to detect the circuit board.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above disclosed preferred embodiments of the invention are merely intended to help illustrate the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (9)
1. A circuit board detection device with adjustable spacing is characterized in that: comprises a detection mechanism (1), a spacing adjusting mechanism (2) and a lifting adjusting mechanism (3); the detection mechanism (1) comprises a detection table (11), a hydraulic lifting assembly and detection probes (17), wherein a circuit board jig (18) is fixedly arranged on the top surface of the detection table (11), and a plurality of detection probes (17) are arranged above the circuit board jig (18) through the hydraulic lifting assembly;
the space adjusting mechanism (2) comprises a driving assembly, a translation assembly and a plurality of sliding sleeves (26), the sliding sleeves (26) are arranged on the hydraulic lifting assembly through the translation assembly, the lower end of each sliding sleeve (26) is provided with a detection probe (17), the driving assembly is in transmission connection with the translation assembly, and the translation assembly drives the sliding sleeves (26) to outwards diffuse and move under the driving of the driving assembly so as to adjust the space between adjacent detection probes (17);
the lifting adjusting mechanism (3) comprises a translation adjusting assembly, a translation rack (312) and a plurality of lifting transmission assemblies, wherein the plurality of detection probes (17) are respectively installed at the lower ends of the plurality of sliding sleeves (26) through the lifting transmission assemblies, the translation rack (312) is installed at one side of the lifting transmission assemblies through the translation adjusting assembly, and when the translation assembly drives the plurality of sliding sleeves (26) to move outwards in a diffusion manner so that the sliding sleeves (26) drive the lifting transmission assemblies to move through the translation rack (312), the translation rack (312) drives the detection probes (17) to be stored upwards through the lifting transmission assemblies.
2. The pitch-adjustable circuit board inspection device of claim 1, wherein: the hydraulic lifting assembly comprises a support (12), a hydraulic cylinder (15) located above the circuit board jig (18) is fixedly arranged at the top end of the support (12), a lifting plate (16) is fixedly arranged at the telescopic end of the hydraulic cylinder (15), and side plates (19) are fixedly arranged on two sides of the bottom surface of the lifting plate (16).
3. The pitch-adjustable circuit board inspection device of claim 2, wherein: the top surface of detecting table (11) fixed mounting has gag lever post (13), lifter plate (16) slidable mounting in on gag lever post (13), the top of gag lever post (13) with fixed mounting has between support (12) and consolidates connecting rod (14).
4. The pitch-adjustable circuit board inspection device of claim 2, wherein: the driving assembly comprises a screw rod (21) and a motor (22), the screw rod (21) is rotatably installed between two side plates (19), the motor (22) is fixedly installed on the outer side face of the side plates (19) and is in transmission connection with the end part of the screw rod (21), a threaded sleeve (23) is installed on the screw rod (21), a connecting block (24) is fixedly installed at the bottom end of the threaded sleeve (23), and the bottom end of the connecting block (24) is fixedly connected with a sliding sleeve (26) at the outermost side.
5. The pitch-adjustable circuit board inspection device according to claim 4, wherein: the translation assembly comprises a sliding rail (25), a plurality of connecting rods (28) and a plurality of connecting columns (29), wherein the sliding rail (25) is fixedly arranged between two side plates (19), one end of the sliding rail (25) is fixedly provided with a fixed sleeve (27), and a plurality of sliding sleeves (26) are sequentially and slidably arranged on the sliding rail (25);
the connecting rods (28) are intersected in pairs and are rotationally connected through the connecting columns (29) to form a plurality of crossed supports, the crossed supports are sequentially rotationally installed on one sides of the fixed sleeve (27) and the sliding sleeve (26) through the connecting columns (29), and the end portions of the crossed supports are sequentially rotationally connected through the connecting columns (29) to form a crossed connecting rod.
6. The pitch-adjustable circuit board inspection device of claim 2, wherein: the translation adjusting component comprises a sliding rod (310), a sliding seat (311) and a hand-screwing bolt (313), wherein the sliding rod (310) is fixedly installed between the two side plates (19), the sliding seat (311) is slidably installed on the sliding rod (310), a translation rack (312) is fixedly installed at the bottom of the sliding seat (311), the hand-screwing bolt (313) is rotatably installed at one side of the sliding seat (311), and the end part of the hand-screwing bolt (313) is abutted to the sliding rod (310) so that the sliding seat (311) is locked and fixed.
7. The pitch-adjustable circuit board inspection device of claim 1, wherein: the lifting transmission assembly comprises an L-shaped frame (31), a probe seat (32) and a limiting piece, wherein the L-shaped frame (31) is fixedly arranged at the bottom of the sliding sleeve (26), the probe seat (32) is slidably arranged on the L-shaped frame (31), the bottom end of the probe seat (32) is provided with the detection probe (17), and the back surface of the probe seat (32) is fixedly provided with a lifting rack (36);
the L-shaped frame (31) is provided with a through hole, a rotating shaft (33) is rotatably arranged in the through hole, a driving gear (35) which is in meshed transmission connection with the lifting rack (36) is fixedly arranged on the rotating shaft (33), a driven bevel gear (34) is fixedly arranged at one end of the rotating shaft (33), a transmission shaft (38) is rotatably arranged at the back of the L-shaped frame (31), a driven gear (39) is fixedly arranged at one end of the transmission shaft (38), a driving bevel gear (37) which is in meshed transmission connection with the driven bevel gear (34) is fixedly arranged at the other end of the transmission shaft, and the driven gear (39) is tangent to the translation rack (312);
the limiting piece is arranged on the probe seat (32) and is clamped with the L-shaped frame (31), so that the probe seat (32) is clamped and fixed on the L-shaped frame (31).
8. The pitch-adjustable circuit board inspection device of claim 7, wherein: the limiting piece comprises two sliding holes (318) which are distributed up and down and are formed in the probe seat (32), sliding blocks (320) are slidably arranged in the two sliding holes (318), reset springs (319) are arranged on the inner side faces of the sliding blocks (320) in a butt joint mode, and limiting columns (321) are fixedly arranged on the outer side faces of the sliding blocks (320).
9. The pitch-adjustable circuit board inspection device of claim 7, wherein: the top of detection probe (17) fixed mounting has roof (315), lift spout (314) have been seted up to the bottom of probe seat (32), roof (315) slidable mounting in lift spout (314), buffer spring (316) are installed in top surface butt of roof (315), bottom surface of roof (315) install the butt in packing ring (317) of lift spout (314) tank bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310230536.1A CN116224030B (en) | 2023-03-11 | 2023-03-11 | Circuit board detection device with adjustable distance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310230536.1A CN116224030B (en) | 2023-03-11 | 2023-03-11 | Circuit board detection device with adjustable distance |
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| CN116224030A true CN116224030A (en) | 2023-06-06 |
| CN116224030B CN116224030B (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310230536.1A Active CN116224030B (en) | 2023-03-11 | 2023-03-11 | Circuit board detection device with adjustable distance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116754929A (en) * | 2023-08-17 | 2023-09-15 | 深圳市凌科凯特电子有限公司 | Voltage test jig for vehicle PCB |
| CN116953491A (en) * | 2023-09-21 | 2023-10-27 | 深圳市日声数码科技有限公司 | Bluetooth chip test fixture |
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| JPH06186307A (en) * | 1992-12-22 | 1994-07-08 | Shikoku Keisoku Kogyo Kk | Device for discriminating electric circuit board |
| CN208224441U (en) * | 2018-05-29 | 2018-12-11 | 纽威仕微电子（无锡）有限公司 | A kind of ceramics PCBA detection device |
| CN209280874U (en) * | 2018-12-21 | 2019-08-20 | 深圳市维圳泰科技有限公司 | A kind of combined type PCB circuit board device of adjustable spacing |
| CN218331693U (en) * | 2022-09-13 | 2023-01-17 | 江西华佳富电路有限公司 | Circuit board circuit detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06186307A (en) * | 1992-12-22 | 1994-07-08 | Shikoku Keisoku Kogyo Kk | Device for discriminating electric circuit board |
| CN208224441U (en) * | 2018-05-29 | 2018-12-11 | 纽威仕微电子（无锡）有限公司 | A kind of ceramics PCBA detection device |
| CN209280874U (en) * | 2018-12-21 | 2019-08-20 | 深圳市维圳泰科技有限公司 | A kind of combined type PCB circuit board device of adjustable spacing |
| CN218331693U (en) * | 2022-09-13 | 2023-01-17 | 江西华佳富电路有限公司 | Circuit board circuit detection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116754929A (en) * | 2023-08-17 | 2023-09-15 | 深圳市凌科凯特电子有限公司 | Voltage test jig for vehicle PCB |
| CN116754929B (en) * | 2023-08-17 | 2023-10-13 | 深圳市凌科凯特电子有限公司 | Voltage test jig for vehicle PCB |
| CN116953491A (en) * | 2023-09-21 | 2023-10-27 | 深圳市日声数码科技有限公司 | Bluetooth chip test fixture |
| CN116953491B (en) * | 2023-09-21 | 2023-12-15 | 深圳市盟祺科技有限公司 | Bluetooth chip test fixture |
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|---|---|
| CN116224030B (en) | 2023-08-11 |
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