CN112345921A - Multi-contact circuit board detection equipment - Google Patents

Multi-contact circuit board detection equipment Download PDF

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Publication number
CN112345921A
CN112345921A CN202011320598.4A CN202011320598A CN112345921A CN 112345921 A CN112345921 A CN 112345921A CN 202011320598 A CN202011320598 A CN 202011320598A CN 112345921 A CN112345921 A CN 112345921A
Authority
CN
China
Prior art keywords
wall
circuit board
welded
contact circuit
outer walls
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011320598.4A
Other languages
Chinese (zh)
Inventor
潘玉朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Jialerui Intelligent Technology Co ltd
Original Assignee
Kunshan Jialerui Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunshan Jialerui Intelligent Technology Co ltd filed Critical Kunshan Jialerui Intelligent Technology Co ltd
Priority to CN202011320598.4A priority Critical patent/CN112345921A/en
Publication of CN112345921A publication Critical patent/CN112345921A/en
Pending legal-status Critical Current

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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
    • 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
    • G01R1/07357—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 with flexible bodies, e.g. buckling beams
    • 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]
    • G01R31/2818—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP] using test structures on, or modifications of, the card under test, made for the purpose of testing, e.g. additional components or connectors

Abstract

The invention discloses multi-contact circuit board detection equipment which comprises an operation table, positioning rods welded on the outer walls of the four corners of the top of the operation table, a top plate with the four corners of the bottom welded on the outer walls of the top ends of the four positioning rods, and a cylinder connected to the outer wall of the top plate through bolts, wherein a mounting plate is welded on the outer wall of the bottom end of a piston rod of the cylinder, symmetrically distributed guide rails in a 'mouth' -shaped structure are welded on the outer wall of the top of the operation table, two slide rails are arranged in the two guide rails in a sliding mode, slide grooves are formed in the outer walls of the tops of the two. The circuit board fixing device can fix circuit boards with different sizes, is simple and convenient to fix and replace, saves replacement time, improves working efficiency, can slow down the descending speed of the mounting plate, avoids the circuit board from being crushed by the mounting plate, prevents the detection probe from being damaged due to overlarge extrusion force applied to the detection probe, and improves protection effect.

Description

Multi-contact circuit board detection equipment
Technical Field
The invention relates to the technical field of circuit board detection equipment, in particular to multi-contact circuit board detection equipment.
Background
The circuit board, also known as circuit board, the name of circuit board has: ceramic Circuit Board, alumina ceramic Circuit Board, aluminum nitride ceramic Circuit Board, PCB Board, aluminum substrate, high frequency Board, thick copper Board, impedance Board, PCB, ultra-thin Circuit Board, Printed (copper etching technology) Circuit Board, etc., the Circuit Board miniaturizes and visualizes the Circuit, plays an important role in mass production of fixed circuits and optimizing the layout of electric appliances, the Circuit Board can be called Printed Circuit Board or Printed Circuit Board, the english name (Printed Circuit Board) PCB, (Flexible Printed Circuit Board) FPC Circuit Board (FPC Circuit Board is also called Flexible Circuit Board) is made of polyimide or polyester film as the base material, has high reliability, the best Flexible Printed Circuit Board, has the characteristics of high wiring density, light weight, thin thickness and good bending property), and Soft and hard combined Board (repeat, Soft and hard combined Board) -the birth and development of the PCB, the soft and hard combined board is a new product, so that the soft and hard combined board is a circuit board with FPC (flexible printed circuit) and PCB (printed circuit board) characteristics formed by combining a flexible circuit board and a hard circuit board according to relevant process requirements through procedures such as pressing and the like.
When the existing circuit board detection equipment detects a circuit board, the size of the circuit board is not uniform, so that the detection jig needs to be replaced according to the size of the circuit board, but the existing detection equipment has various steps when the jig is replaced, and consumes more time.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a multi-contact circuit board detection device.
The invention provides multi-contact circuit board detection equipment, which comprises an operation table, positioning rods welded on the outer walls of the four corners at the top of the operation table, a top plate with the four corners at the bottom welded on the outer walls of the top ends of the four positioning rods respectively, and a cylinder connected on the outer wall of the top plate through bolts, wherein a mounting plate is welded on the outer wall of the bottom end of a piston rod of the cylinder, guide rails with symmetrically distributed 'mouth' -shaped structures are welded on the outer wall of the top of the operation table, two slide rails are arranged in the two guide rails in a sliding manner, slide grooves are formed in the outer walls of the tops of the two slide rails, two first slide blocks are arranged in the two slide grooves in a sliding manner, limiting blocks are screwed on the outer walls of the tops of the four first slide blocks, fixed rods are welded on, and sliding sleeve is equipped with the probe card in the fixed frame, the test probe that fixedly connected with equidistance distributes on the outer wall of probe card bottom, two recesses have all been opened to fixed frame both sides, and slidable mounting has the second slider, four in four recesses all welded the fixed block of "L" shape structure on one side outer wall of second slider, be equipped with the buffer gear that the equidistance distributes on the outer wall of probe card top, buffer gear includes the sleeve pipe, fixedly connected with second spring on the sleeve pipe top inner wall, and sliding mounting has the slide on the sleeve pipe lies in the inner wall of second spring bottom, the welding has the connecting rod on the outer wall of slide bottom, the fender ring has been cup jointed on the sleeve pipe bottom inner wall.
Preferably, the four corners of the top of the mounting plate are provided with through holes, and the four positioning rods are respectively slidably mounted in the through holes.
Preferably, four the locating lever all is equipped with first spring on being located the outer wall of mounting panel below.
Preferably, two all the spiro union has fixing bolt on the slide rail both ends outer wall, and fixing bolt and guide rail form fastening cooperation.
Preferably, four all the spiro union has fastening bolt on the fixed block bottom outer wall, and fastening bolt and fixed frame form fastening cooperation.
Preferably, the size of the inner diameter of the baffle ring is matched with the size of the outer diameter of the connecting rod, and the connecting rod is slidably mounted in the baffle ring.
Preferably, the cylinder is connected with a switch through a wire, and the switch is connected with a power line.
The invention has the beneficial effects that:
1. according to the size of the circuit board, the fixing bolt is rotated clockwise, the two slide rails are slid, the fixing bolt is rotated anticlockwise to fix the slide rails, the limiting block is rotated clockwise simultaneously, the four first slide blocks can move, the limiting block is rotated anticlockwise to fix the first slide blocks, the fixing rods are inserted into the fixing holes in the four corners of the top of the circuit board, the circuit boards with different sizes can be fixed, and meanwhile, the fixing operation is simple and convenient;
2. the probe board is selected according to the point position to be detected of the circuit board, the probe board is sleeved in the fixing frame, the four fixing blocks can be fixed by clockwise rotating the fastening bolt, and meanwhile, the four fixing blocks can fix the probe board, so that the replacement operation is simple and convenient, the replacement time is saved, and the working efficiency is improved;
3. when the piston rod of the air cylinder descends, the mounting plate extrudes the first spring, the descending speed of the mounting plate can be reduced, the circuit board is prevented from being crushed by the mounting plate, when the detection probe contacts the circuit board, the connecting rod extrudes the second spring, the detection probe is buffered under the action of the tension of the second spring, the detection probe is prevented from being damaged due to the overlarge extrusion force, and the protection effect is improved.
Drawings
Fig. 1 is a schematic perspective view of a multi-contact circuit board detection device according to the present invention;
fig. 2 is a schematic front view of a multi-contact circuit board detection device according to the present invention;
fig. 3 is a schematic perspective view of a guide rail and a slide rail of the multi-contact circuit board detection device provided by the invention;
FIG. 4 is an enlarged view of A in FIG. 3;
FIG. 5 is a schematic structural diagram of the bottom of a mounting plate of the multi-contact circuit board inspection apparatus according to the present invention;
FIG. 6 is a schematic view of a cross-sectional structure of a mounting plate of a multi-contact circuit board inspection apparatus according to the present invention;
fig. 7 is a schematic cross-sectional structure view of a buffering mechanism of a multi-contact circuit board inspection apparatus according to the present invention.
In the figure: the probe card comprises an operation table 1, a positioning rod 2, a top plate 3, a cylinder 4, a mounting plate 5, a first spring 6, a guide rail 7, a slide rail 8, a first slide block 9, a limiting block 10, a fixing rod 11, a limiting ring 12, a fixing frame 13, a probe card 14, a fixing block 15, a sleeve 16, a second spring 17, a slide plate 18, a connecting rod 19 and a retaining ring 20.
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.
Embodiment 1, referring to fig. 1-7, a multi-contact circuit board detection device comprises an operation table 1, positioning rods 2 welded to the outer walls of the four corners of the top of the operation table 1, a top plate 3 with the four corners of the bottom welded to the outer walls of the top ends of the four positioning rods 2, and a cylinder 4 connected to the outer wall of the top plate 3 through bolts, wherein a mounting plate 5 is welded to the outer wall of the bottom end of a piston rod of the cylinder 4, first springs 6 are sleeved on the outer walls of the four positioning rods 2 below the mounting plate 5, through holes are formed in the outer walls of the four corners of the top of the mounting plate 5, the four positioning rods 2 are slidably mounted in the through holes, symmetrically distributed guide rails 7 in a 'square' shape are welded to the outer wall of the top of the operation table 1, two slide rails 8 are slidably mounted, and the fixing bolt forms a fastening fit with the guide rail 7, the outer walls of the tops of the two slide rails 8 are all provided with slide grooves, the two slide grooves are internally and slidably provided with two first slide blocks 9, the outer walls of the tops of the four first slide blocks 9 are all screwed with limit blocks 10, the outer walls of the top ends of the four limit blocks 10 are all welded with fixed rods 11, the outer walls of the bottom ends of the four fixed rods 11 are all sleeved with limit rings 12, circuit boards with different sizes can be fixed, meanwhile, the fixing operation is simple and convenient, the outer wall of the bottom of the mounting plate 5 is welded with a fixed frame 13, the fixed frame 13 is internally and slidably sleeved with a probe plate 14, the outer wall of the bottom of the probe plate 14 is fixedly connected with detection probes distributed at equal intervals, two sides of the fixed frame 13 are both provided with two grooves, the four grooves are internally and slidably provided with, the replacement operation is simple and convenient, the replacement time is saved, the outer walls of the bottoms of the four fixing blocks 15 are all screwed with fastening bolts, and the fastening bolt is tightly matched with the fixing frame 13, the outer wall of the top of the probe card 14 is provided with buffering mechanisms which are distributed at equal intervals, the buffer mechanism comprises a sleeve 16, a second spring 17 is fixedly connected on the inner wall of the top of the sleeve 16, and a sliding plate 18 is slidably mounted on the inner wall of the sleeve 16 at the bottom end of the second spring 17, a connecting rod 19 is welded on the outer wall of the bottom of the sliding plate 18, a baffle ring 20 is sleeved on the inner wall of the bottom end of the sleeve 16, the inner diameter of the baffle ring 20 is matched with the outer diameter of the connecting rod 19, and connecting rod 19 slidable mounting prevents that the too big extrusion force that receives of test probe from leading to the test probe impaired in fender ring 20, has improved the guard effect, cylinder 4 is connected with the switch through the wire, and switch connection has the power cord.
According to the size of circuit board, clockwise rotation fixing bolt, two slide rails 8 slide, anticlockwise rotation fixing bolt, fix slide rail 8, clockwise rotation stopper 10 simultaneously, make four first sliders 9 can remove, anticlockwise rotation stopper 10, fix first slider 9, alternate dead lever 11 in the fixed orifices of the four corners department at circuit board top, the position that needs to detect according to the circuit board selects corresponding probe card 14, overlap probe card 14 cover in fixed frame 13, clockwise rotation fastening bolt can be fixed four fixed blocks 15, simultaneously four fixed blocks 15 can fix probe card 14, open cylinder 4 switch, cylinder 4 piston rod descends and drives mounting panel 5 and descend, make the detection probe contact the circuit board, can detect the circuit board.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (7)

1. A multi-contact circuit board detection device comprises an operation table (1), positioning rods (2) welded on the outer walls of the four corners at the top of the operation table (1), a top plate (3) welded on the outer walls of the four top ends of the four positioning rods (2) respectively, and a cylinder (4) connected onto the outer wall of the top plate (3) through bolts, and is characterized in that a mounting plate (5) is welded on the outer wall of the bottom end of a piston rod of the cylinder (4), symmetrically distributed guide rails (7) in a mouth-shaped structure are welded on the outer wall of the top of the operation table (1), two slide rails (8) are slidably mounted in the two guide rails (7), slide grooves are formed in the outer wall of the top of the two slide rails (8), two first slide blocks (9) are slidably mounted in the two slide grooves, and limit blocks (10) are screwed on, four fixing rods (11) are welded on the outer wall of the top end of the limiting block (10), a limiting ring (12) is sleeved on the outer wall of the bottom end of each fixing rod (11), a fixing frame (13) is welded on the outer wall of the bottom of the mounting plate (5), a probe plate (14) is sleeved in the fixing frame (13) in a sliding mode, detection probes distributed at equal intervals are fixedly connected on the outer wall of the bottom of the probe plate (14), two grooves are formed in two sides of the fixing frame (13), a second slider is arranged in each groove in a sliding mode, four fixing blocks (15) of an L-shaped structure are welded on the outer wall of one side of the second slider in a sliding mode, buffering mechanisms distributed at equal intervals are arranged on the outer wall of the top of the probe plate (14) and comprise sleeves (16), a second spring (17) is fixedly connected on the inner wall of the top of each sleeve (16), and a sliding plate (18) is arranged on, the outer wall of the bottom of the sliding plate (18) is welded with a connecting rod (19), and the inner wall of the bottom end of the sleeve (16) is sleeved with a baffle ring (20).
2. The multi-contact circuit board detection device according to claim 1, wherein the four outer walls of the top of the mounting plate (5) are provided with through holes, and the four positioning rods (2) are slidably mounted in the through holes respectively.
3. The multi-contact circuit board detection device according to claim 2, wherein the outer walls of the four positioning rods (2) below the mounting plate (5) are sleeved with first springs (6).
4. The multi-contact circuit board detection device according to claim 1, wherein fixing bolts are screwed on outer walls of two ends of the two slide rails (8), and the fixing bolts and the guide rails (7) form fastening fit.
5. The multi-contact circuit board detection device according to claim 1, wherein fastening bolts are screwed on the outer walls of the bottoms of the four fixing blocks (15), and form fastening fit with the fixing frame (13).
6. The multi-contact circuit board detection device according to claim 1, wherein the inner diameter of the baffle ring (20) is matched with the outer diameter of the connecting rod (19), and the connecting rod (19) is slidably mounted in the baffle ring (20).
7. The multi-contact circuit board detection device according to claim 1, wherein the cylinder (4) is connected with a switch through a lead, and the switch is connected with a power line.
CN202011320598.4A 2020-11-23 2020-11-23 Multi-contact circuit board detection equipment Pending CN112345921A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011320598.4A CN112345921A (en) 2020-11-23 2020-11-23 Multi-contact circuit board detection equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011320598.4A CN112345921A (en) 2020-11-23 2020-11-23 Multi-contact circuit board detection equipment

Publications (1)

Publication Number Publication Date
CN112345921A true CN112345921A (en) 2021-02-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113608101A (en) * 2021-06-28 2021-11-05 昆山兢美电子科技有限公司 Flying probe testing device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007263630A (en) * 2006-03-28 2007-10-11 I C T:Kk Inspection tool and inspection unit for printed circuit board
CN203896597U (en) * 2014-05-26 2014-10-22 江西鼎峰电子科技有限公司 PCB operating frame
CN207336583U (en) * 2017-10-24 2018-05-08 遂宁市力源印制电路板有限公司 A kind of wiring board testing jig being easily installed
CN109696619A (en) * 2019-02-27 2019-04-30 安徽米兰电子科技有限公司 A kind of multifunctional communication circuit board test device
CN209460289U (en) * 2018-12-17 2019-10-01 南京帕雷托自动化科技有限公司 A kind of automobile-used IGBT module high-voltage great-current test clamping device of electric car
CN209773322U (en) * 2019-03-12 2019-12-13 惠州市雅信达电路科技有限公司 Cutting device is used in circuit board processing
CN210442481U (en) * 2019-08-28 2020-05-01 重庆多耐达汽车零部件有限公司 Circuit board detection device
CN210863946U (en) * 2019-07-16 2020-06-26 厦门炬研电子科技有限公司 Circuit board positioning detection tool
CN211014349U (en) * 2019-09-28 2020-07-14 无锡美偌科微电子有限公司 Test device for integrated circuit
CN211147728U (en) * 2019-12-24 2020-07-31 重庆艾申特电子科技有限公司 Detection equipment is used in PCB board production
CN111896863A (en) * 2020-08-05 2020-11-06 陈诗诗 Detection apparatus for PCB board

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007263630A (en) * 2006-03-28 2007-10-11 I C T:Kk Inspection tool and inspection unit for printed circuit board
CN203896597U (en) * 2014-05-26 2014-10-22 江西鼎峰电子科技有限公司 PCB operating frame
CN207336583U (en) * 2017-10-24 2018-05-08 遂宁市力源印制电路板有限公司 A kind of wiring board testing jig being easily installed
CN209460289U (en) * 2018-12-17 2019-10-01 南京帕雷托自动化科技有限公司 A kind of automobile-used IGBT module high-voltage great-current test clamping device of electric car
CN109696619A (en) * 2019-02-27 2019-04-30 安徽米兰电子科技有限公司 A kind of multifunctional communication circuit board test device
CN209773322U (en) * 2019-03-12 2019-12-13 惠州市雅信达电路科技有限公司 Cutting device is used in circuit board processing
CN210863946U (en) * 2019-07-16 2020-06-26 厦门炬研电子科技有限公司 Circuit board positioning detection tool
CN210442481U (en) * 2019-08-28 2020-05-01 重庆多耐达汽车零部件有限公司 Circuit board detection device
CN211014349U (en) * 2019-09-28 2020-07-14 无锡美偌科微电子有限公司 Test device for integrated circuit
CN211147728U (en) * 2019-12-24 2020-07-31 重庆艾申特电子科技有限公司 Detection equipment is used in PCB board production
CN111896863A (en) * 2020-08-05 2020-11-06 陈诗诗 Detection apparatus for PCB board

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113608101A (en) * 2021-06-28 2021-11-05 昆山兢美电子科技有限公司 Flying probe testing device

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Application publication date: 20210209