CN110824334A - PCB detection jig with positioning function - Google Patents

PCB detection jig with positioning function Download PDF

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Publication number
CN110824334A
CN110824334A CN201910938813.8A CN201910938813A CN110824334A CN 110824334 A CN110824334 A CN 110824334A CN 201910938813 A CN201910938813 A CN 201910938813A CN 110824334 A CN110824334 A CN 110824334A
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China
Prior art keywords
rod
pcb
fixed
hole
positioning function
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CN201910938813.8A
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CN110824334B (en
Inventor
彭文业
黄伟雄
林永富
刘良标
钟芬根
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Fuzhou Changyonghe Machinery Co Ltd
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Fuzhou Changyonghe Machinery Co Ltd
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Publication of CN110824334A publication Critical patent/CN110824334A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/28Testing of electronic circuits, e.g. by signal tracer
    • G01R31/2801Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
    • G01R31/2806Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
    • G01R31/2808Holding, conveying or contacting devices, e.g. test adapters, edge connectors, extender boards

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automatic Assembly (AREA)
  • Measuring Leads Or Probes (AREA)

Abstract

The invention discloses a PCB detection jig with a positioning function, relates to the field of PCB detection, and aims to solve the problems that the positioning and detection processes of the conventional PCB detection jig are performed separately, the detection time is prolonged, and the detection efficiency is low. According to the invention, through the arrangement of the driving motor, the threaded screw rod, the mounting plate, the L-shaped connecting rod, the cross-shaped block, the inserting rod, the spring, the clamping block, the detection probe, the controller and the display, the PCB can be positioned and detected, the fixing and detecting processes are continuously carried out, the detection time can be shortened, and the detection efficiency can be improved.

Description

PCB detection jig with positioning function
Technical Field
The invention relates to the field of PCB detection, in particular to a PCB detection jig with a positioning function.
Background
The PCB is called a printed circuit board, also called a printed circuit board or a printed circuit board, is an important electronic component, is a support for electronic components, and is a provider for electrical connection of electronic components. It is called a "printed" circuit board because it is made using electronic printing. Present PCB board detection tool, the location of PCB board is fixed when using and the testing process separately goes on usually, fixes a position fixedly the back by the manual work to the PCB board promptly, restarts the testing probe benefit and detects the PCB board, and two processes are discontinuous for the check-out time is elongated, leads to detection efficiency to hang down, for this reason, need continue deep research, provides a location effectual, the high detection tool of detection efficiency.
Disclosure of Invention
The invention aims to solve the defects that the detection efficiency is low due to the fact that the positioning and the detection processes of the existing PCB detection jig are carried out separately, the detection time is prolonged, and the PCB detection jig with the positioning function is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a PCB detection jig with a positioning function comprises a workbench and a controller fixed on the workbench, wherein a placing seat, an L-shaped guide rod and a driving motor are fixed on the workbench in sequence from left to right, a sliding groove opposite to four side edges of the placing seat is arranged on the workbench, rectangular cross rods are fixed between inner walls of two ends of the four sliding grooves, clamping blocks in sliding fit in the sliding grooves are movably sleeved on each rectangular cross rod, the lower ends of the clamping blocks extend out of the sliding groove and are hinged with a sleeve, the lower end of the sleeve is provided with a jack, the output end of the driving motor is in transmission connection with a vertical threaded lead screw, the upper end of the threaded lead screw is in rotary connection with the short end of the L-shaped guide rod, a transverse mounting plate is in spiral transmission fit on the threaded lead screw, the mounting plate is in sliding fit on the long end of the L-shaped guide rod, and a detection probe positioned above the placing seat is fixed on, the utility model discloses a detection probe, including the test probe, the top surface of mounting panel is fixed with the display with the output electric connection of controller, the bottom surface of mounting panel is fixed with the L shape connecting rod that the workstation was run through to the long end, and the stub of L shape connecting rod is fixed with the cross-shaped piece that is located and places the seat below, the cross-shaped piece has four tip that suit with the spout, all articulates on four tips has the connecting rod, the other end of connecting rod is fixed with the inserted bar, and the other end sliding fit of inserted bar is in the jack, and fixedly connected with is located the spring in the jack between the one end that the inserted bar is located the jack and the sleeve pipe.
Preferably, the insertion rod is provided with a connecting ring at one end inside the insertion hole and on the top wall of the insertion hole, and the two ends of the spring are respectively fixed on the two connecting rings.
Preferably, the clamping block is rectangular, the clamping block is provided with a first rectangular hole matched with the rectangular cross rod, and the rectangular cross rod is in sliding fit in the first rectangular hole.
Preferably, the sliding groove is provided with a second rectangular hole matched with the L-shaped connecting rod, and the long end of the L-shaped connecting rod is in sliding fit with the second rectangular hole.
Preferably, the original length of the spring is matched with the length of the jack, and the length of the jack is greater than that of the jack.
Preferably, the short end of the L-shaped guide rod is provided with a mounting hole matched with the threaded screw rod, and the upper end of the threaded screw rod is rotatably mounted in the mounting hole.
Preferably, the PCB to be tested is arranged on the placing seat between the four clamping blocks, a guide hole matched with the L-shaped guide rod is formed in the mounting plate, and the long end of the L-shaped guide rod is in sliding fit with the guide hole.
The invention has the beneficial effects that: through driving motor, the screw lead screw, the mounting panel, L shape connecting rod, cross-shaped piece, the inserted bar, a spring, the clamp splice, a detection probe, the setting of controller and display, not only can be used for fixing a position and detecting to the PCB board, and its fixed and testing process is gone on in succession, can shorten check-out time, improve detection efficiency, in addition, four clamp splices carry out the centre gripping location to the PCB board that awaits measuring from four directions, it is effectual to fix a position, and carry out the centre gripping through the indirect application of force of spring, make the clamping-force alleviate can not press from both sides the PCB board that awaits measuring, thereby prolong its life.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic top view of the table of fig. 1.
Fig. 3 is a schematic view of the spring connection of fig. 1.
Fig. 4 is a schematic view of the cross-shaped block of fig. 1.
Reference numbers in the figures: the device comprises a workbench 1, a sliding groove 2, a rectangular cross bar 3, a clamping block 4, a placing seat 5, a guide rod 6L, a driving motor 7, a threaded screw rod 8, a mounting plate 9, a display 10, a detection probe 11, a connecting rod 12L, a cross-shaped block 13, a connecting rod 14, an inserted rod 15, a sleeve 16, a spring 17 and a controller 18.
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.
Referring to fig. 1-4, a PCB board detection jig with positioning function comprises a workbench 1 and a controller 18 fixed on the workbench 1, wherein a placing seat 5, an L-shaped guide bar 6 and a driving motor 7 are fixed on the workbench 1 and sequentially arranged from left to right, a sliding groove 2 opposite to four side edges of the placing seat 5 is arranged on the workbench 1, rectangular cross bars 3 are fixed between inner walls of two ends of the four sliding grooves 2, a clamping block 4 in sliding fit with the sliding groove 2 is movably sleeved on each rectangular cross bar 3, the lower end of the clamping block 4 extends out of the sliding groove 2 and is hinged with a sleeve 16, the lower end of the sleeve 16 is provided with a jack, the output end of the driving motor 7 is in transmission connection with a vertical threaded lead screw 8, the upper end of the threaded lead screw 8 is in rotation connection with the short end of the L-shaped guide bar 6, a horizontal mounting plate 9 is in spiral transmission fit with the threaded lead screw 8, the mounting plate 9 is in sliding fit with the, the bottom surface of mounting panel 9 is fixed with the detecting probe 11 that is located and places seat 5 top, detecting probe 11 and controller 18's input electric connection, the top surface of mounting panel 9 is fixed with the display 10 with controller 18's output electric connection, the bottom surface of mounting panel 9 is fixed with L shape connecting rod 12 that the long end runs through workstation 1, the short-end of L shape connecting rod 12 is fixed with the cross-shaped piece 13 that is located and places seat 5 below, cross-shaped piece 13 has four tip that suit with spout 2, all articulate on four tip and have connecting rod 14, the other end of connecting rod 14 is fixed with inserted bar 15, the other end of inserted bar 15 slides in the jack, inserted bar 15 cooperates fixed connection between one end that is located the jack and sleeve pipe 16 and is located the spring 17 of jack.
In this embodiment, the end of the insertion rod 15 located in the insertion hole and the top wall of the insertion hole are provided with connecting rings, and two ends of the spring 17 are respectively fixed on the two connecting rings.
In this embodiment, the shape of the clamping block 4 is rectangular, the clamping block 4 is provided with a first rectangular hole matched with the rectangular cross rod 3, and the rectangular cross rod 3 is in sliding fit in the first rectangular hole.
In this embodiment, the sliding groove 2 is provided with a second rectangular hole matching with the L-shaped connecting rod 12, and the long end of the L-shaped connecting rod 12 is slidably fitted in the second rectangular hole.
In this embodiment, the spring 17 has an original length corresponding to the length of the insertion hole, and the insertion rod 15 has a length greater than the length of the insertion hole.
In this embodiment, the short end of the L-shaped guide rod 6 is provided with a mounting hole matching with the threaded screw 8, and the upper end of the threaded screw 8 is rotatably mounted in the mounting hole.
In this embodiment, the PCB to be tested disposed on the placing base 5 is disposed between the four clamping blocks 4, the mounting plate 9 is provided with a guide hole matched with the L-shaped guide rod 6, and the long end of the L-shaped guide rod 6 is slidably fitted in the guide hole.
In the present invention, the fixing manner between the components is one of screw fixing or welding fixing, the detection probe 11 and the display 10 are both in the prior art, and the controller 18 is a conventional single chip controller.
When the invention is used, after a PCB to be detected is placed on a placing seat 5, a threaded screw rod 8 can be driven to rotate through a driving motor 7, so that a mounting plate 9 and an L-shaped connecting rod 12 integrally move downwards, at the moment, a cross-shaped block 13 moves downwards to drive four inserting rods 15 to move downwards, so that four springs 17 can be pulled, the four springs 17 respectively pull four sleeves 16 and four clamping blocks 4 to move, the four clamping blocks 4 simultaneously move towards the PCB to be detected and clamp the PCB, so that the positioning work is realized, when the cross-shaped block 13 continues to move downwards, the springs 17 continue to extend, at the moment, a detection probe 11 is contacted with the PCB to be detected, so that the detection is realized, the detection probe 11 transmits detection information to a controller 18, the controller 18 controls a display 10 to display the detection information after processing the information, and drives the cross-shaped block 13 to move upwards to drive the four clamping blocks 4 to move to send the PCB to be detected, whole device simple structure, the cost of manufacture is low, not only fixes and detects for going on in succession, can shorten check-out time, improves detection efficiency, and four clamp splice 4 carry out the centre gripping location to the PCB board that awaits measuring from four directions, and carry out the centre gripping through the indirect application of force of spring 17 for clamping-force alleviates can not press from both sides and hinder the PCB board that awaits measuring, prolongs its life.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
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 PCB detection jig with a positioning function comprises a workbench (1) and a controller (18) fixed on the workbench (1), and is characterized in that a placing seat (5), an L-shaped guide rod (6) and a driving motor (7) which are sequentially arranged from left to right are fixed on the workbench (1), sliding grooves (2) opposite to four side edges of the placing seat (5) are formed in the workbench (1), rectangular cross rods (3) are fixed between the inner walls of two ends of the four sliding grooves (2), clamping blocks (4) in the sliding grooves (2) are movably sleeved on each rectangular cross rod (3) and matched with the sliding grooves, the lower ends of the clamping blocks (4) extend out of the sliding grooves (2) and are hinged with a sleeve (16), a jack is arranged at the lower end of the sleeve (16), the output end of the driving motor (7) is connected with a vertical threaded lead screw (8) in a transmission manner, the upper end of the threaded lead screw (8) is rotatably connected with the short end of the L-shaped guide rod (6), a transverse mounting plate (9) is matched with the threaded screw rod (8) in a spiral transmission manner, the mounting plate (9) is matched with the long end of the L-shaped guide rod (6) in a sliding manner, a detection probe (11) positioned above the placing seat (5) is fixed on the bottom surface of the mounting plate (9), the detection probe (11) is electrically connected with the input end of the controller (18), a display (10) electrically connected with the output end of the controller (18) is fixed on the top surface of the mounting plate (9), an L-shaped connecting rod (12) with the long end penetrating through the workbench (1) is fixed on the bottom surface of the mounting plate (9), a cross-shaped block (13) positioned below the placing seat (5) is fixed on the short end of the L-shaped connecting rod (12), the cross-shaped block (13) is provided with four end parts adaptive to the sliding grooves (2), connecting rods (14) are hinged to the four end parts, and an inserting rod (15) is fixed to, the other end of the inserted bar (15) is in sliding fit with the inside of the jack, and a spring (17) positioned in the jack is fixedly connected between one end of the inserted bar (15) positioned in the jack and the sleeve (16).
2. The PCB detecting jig with the positioning function as claimed in claim 1, wherein one end of the inserting rod (15) located in the inserting hole and the top wall of the inserting hole are provided with connecting rings, and two ends of the spring (17) are respectively fixed on the two connecting rings.
3. The PCB detecting jig with the positioning function as claimed in claim 1, wherein the shape of the clamping block (4) is rectangular, the clamping block (4) is provided with a first rectangular hole matched with the rectangular cross rod (3), and the rectangular cross rod (3) is in sliding fit in the first rectangular hole.
4. The PCB detecting jig with the positioning function as claimed in claim 1, wherein the sliding groove (2) is provided with a second rectangular hole matching with the L-shaped connecting rod (12), and the long end of the L-shaped connecting rod (12) is slidably fitted in the second rectangular hole.
5. The PCB detecting jig with the positioning function as claimed in claim 1, wherein the original length of the spring (17) is adapted to the length of the insertion hole, and the length of the insertion rod (15) is greater than the length of the insertion hole.
6. The PCB detecting jig with the positioning function as claimed in claim 1, wherein the short end of the L-shaped guide rod (6) is provided with a mounting hole matched with the threaded screw rod (8), and the upper end of the threaded screw rod (8) is rotatably mounted in the mounting hole.
7. The PCB detecting jig with the positioning function according to claim 1, wherein the PCB to be detected arranged on the placing seat (5) is arranged between the four clamping blocks (4), the mounting plate (9) is provided with a guide hole matched with the L-shaped guide rod (6), and the long end of the L-shaped guide rod (6) is in sliding fit in the guide hole.
CN201910938813.8A 2019-09-30 2019-09-30 PCB detection jig with positioning function Active CN110824334B (en)

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CN201910938813.8A CN110824334B (en) 2019-09-30 2019-09-30 PCB detection jig with positioning function

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Application Number Priority Date Filing Date Title
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CN110824334A true CN110824334A (en) 2020-02-21
CN110824334B CN110824334B (en) 2022-02-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112114247A (en) * 2020-09-23 2020-12-22 江苏洛柳精密科技有限公司 Chip detection device
CN112285536A (en) * 2020-10-23 2021-01-29 鉴丰电子科技有限公司 Unified test equipment for fan circuit board and use method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI274881B (en) * 2005-11-08 2007-03-01 Advanced Semiconductor Eng Electrical test clamping fixture
CN207541222U (en) * 2017-12-19 2018-06-26 深圳市长卓电子科技有限公司 A kind of tester for PCB quality testings
CN208044021U (en) * 2018-04-09 2018-11-02 昆山健创电子科技有限公司 A kind of precision measurement jig that shockproof effect is good
CN208283429U (en) * 2018-04-23 2018-12-25 天津励测检测技术服务有限公司 A kind of electronic product uses safety verification device
CN209102770U (en) * 2018-11-05 2019-07-12 中山市宝悦嘉电子有限公司 A kind of pcb board testing jig
CN209264440U (en) * 2018-12-26 2019-08-16 南京勒迪莫自动化科技有限公司 A kind of voltage-withstand test tool fixture
CN209311645U (en) * 2018-12-25 2019-08-27 硕阳电机无锡有限公司 A kind of test fixture of motor power test

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI274881B (en) * 2005-11-08 2007-03-01 Advanced Semiconductor Eng Electrical test clamping fixture
CN207541222U (en) * 2017-12-19 2018-06-26 深圳市长卓电子科技有限公司 A kind of tester for PCB quality testings
CN208044021U (en) * 2018-04-09 2018-11-02 昆山健创电子科技有限公司 A kind of precision measurement jig that shockproof effect is good
CN208283429U (en) * 2018-04-23 2018-12-25 天津励测检测技术服务有限公司 A kind of electronic product uses safety verification device
CN209102770U (en) * 2018-11-05 2019-07-12 中山市宝悦嘉电子有限公司 A kind of pcb board testing jig
CN209311645U (en) * 2018-12-25 2019-08-27 硕阳电机无锡有限公司 A kind of test fixture of motor power test
CN209264440U (en) * 2018-12-26 2019-08-16 南京勒迪莫自动化科技有限公司 A kind of voltage-withstand test tool fixture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112114247A (en) * 2020-09-23 2020-12-22 江苏洛柳精密科技有限公司 Chip detection device
CN112114247B (en) * 2020-09-23 2024-03-29 江苏洛柳精密科技有限公司 Chip detection device
CN112285536A (en) * 2020-10-23 2021-01-29 鉴丰电子科技有限公司 Unified test equipment for fan circuit board and use method

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