CN108414920A - Circuit board test apparatus - Google Patents
Circuit board test apparatus Download PDFInfo
- Publication number
- CN108414920A CN108414920A CN201810212641.1A CN201810212641A CN108414920A CN 108414920 A CN108414920 A CN 108414920A CN 201810212641 A CN201810212641 A CN 201810212641A CN 108414920 A CN108414920 A CN 108414920A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- driving
- circuit board
- test apparatus
- driving motor
- 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
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Classifications
-
- 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
- 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
- G01R31/2832—Specific tests of electronic circuits not provided for elsewhere
- G01R31/2834—Automated test systems [ATE]; using microprocessors or computers
Abstract
The invention discloses a kind of circuit board test apparatus, including workbench, feed mechanism, stylus device and controller, feed mechanism and stylus device are all positioned at the top of workbench；The conveying direction of wiring board is defined as front, feed mechanism includes the material feeding driving mechanism that pedestal and driving pedestal are moved forward and backward, the top of pedestal is equipped with support board, and several pieces of wiring boards are placed on support board, and the lower section of support board is equipped with the lifting driving mechanism that driving support board rises.The present invention improves safety and the accuracy of detection, ensures that the quality of wiring board, entire production process use automation control, improves detection efficiency.
Description
Technical field
The invention belongs to test equipment technical fields, more particularly to a kind of circuit board test apparatus.
Background technology
Wiring board in process of production, inevitably causes the flaw in short circuit, open circuit and electric leakage etc. electrically because of external factor,
Along with wiring board is constantly towards high density, thin space and multi-level evolution, if failing in time to elect bad screen, and appoint
It flows into lower road processing procedure, more costs will certainly be caused to waste, therefore other than the management and control of processing procedure, be bound to wiring board to be improved
The technology of test is to promote product yield.
Using being manually detected whether circuit meets design parameter requirement, such method exists current wiring board majority
Following defect：(1) manual detection efficiency is slower, needs to consume a large amount of manpower, cannot be satisfied the need of enterprise's large-scale production
It wants；(2) when artificial detection, the substances such as the grease for making PCB surface be stained with hand, scurf is easy, PCB surface is made to aoxidize,
Influence its quality of production；(3) certain electrical measurements are high voltage test, and since test voltage is excessively high, tester has greatly peace
Full hidden danger.
A kind of wiring board proof voltage measurement jig disclosed in 205120908 U of Chinese patent publication No. CN, including jig shell
Body is arranged and follows closely and be arranged the felt pad in the upper surface of jig shell in test probe, the positioning PIN of jig shell, although
Reduce the security risk of operating personnel, but cannot the wiring board different to circuit structure test, and test speed does not have yet
It is significantly improved, cannot be satisfied the demand of enterprise automation detection.
Invention content
Present invention is primarily aimed at a kind of circuit board test apparatus is provided, safety and the accuracy of detection are improved, is protected
The quality of wiring board is demonstrate,proved, entire production process uses automation control, improves detection efficiency.
In order to solve the above technical problems, the present invention is using a following technical solution：A kind of circuit board test apparatus, packet
Workbench, feed mechanism, stylus device and controller are included, the feed mechanism and the stylus device are all located at the workbench
Top；
The conveying direction of wiring board is defined as front, the feed mechanism includes pedestal and the front and back shifting of the driving pedestal
The top of dynamic material feeding driving mechanism, the pedestal is equipped with support board, and several pieces of wiring boards, institute are placed on the support board
The lower section for stating support board is equipped with the lifting driving mechanism for driving the support board to rise；
The left and right sides of the feed mechanism is respectively symmetrically equipped with stylus device described in one group, before the stylus device includes
Mobile mechanism, left/right movement device and elevating mechanism afterwards；
The lifting driving mechanism includes lifter plate, elevating screw, elevating lever, gag lever post and the driving lifter plate or more
Mobile lifting driving motor, the lifting driving motor are fixed on the pedestal, the output shaft of the lifting driving motor with
The lower end of the elevating screw connects, and the upper end of the elevating screw is connect with the screw hole of the lifter plate, the pedestal it is upper
Surface is fixed at least 4 gag lever posts, and the upper end of the gag lever post passes through the lifter plate and can just resist the circuit
The edge of plate, the upper surface of the lifter plate is at least provided with 4 elevating levers, the upper end of the elevating lever and the support board
It is inconsistent；
The material feeding driving mechanism, the lifting driving motor, the back-and-forth motion mechanism, the left/right movement device and
The elevating mechanism is electrically connected with the controller respectively.
It further says, the material feeding driving mechanism includes the feeding cylinder that the driving pedestal is moved forward and backward, described to send
Material cylinder is fixed on the workbench, and the push rod of the feeding cylinder is connect with the pedestal；
The upper surface of the workbench is equipped at least one sliding slot in the front-back direction, and the pedestal is downwardly extending and institute
The structure that sliding slot matches is stated so that the pedestal is moved along the direction of sliding slot.
It further says, the back-and-forth motion mechanism includes that sliding block, the first lead screw and the driving sliding block are moved forward and backward
First driving motor, first lead screw are arranged along the front-rear direction of the workbench, one end of first lead screw and institute
State the output axis connection of the first driving motor, first driving motor is fixed on the workbench, first lead screw it is another
One end is connect with the screw hole of the sliding block.
It further says, the upper surface of the workbench is equipped with two guide rails in the front-back direction, and two guide rails point
It is not corresponding with the sliding block, the sliding block be downwardly extending the structure to match with the guide rail so that the sliding block along
It moves in the direction of guide rail.
Further say, the left/right movement device include draw runner, the second lead screw, first support bar, second support bar and
Drive the second driving motor that the draw runner moves left and right, sliding block is fixed in the lower end of the first support bar, described first
The upper end of strut is connect with the second support bar, and the first support bar and the second support bar are arranged in a mutually vertical manner,
The upper surface of the second support bar is equipped with the draw runner, and the draw runner and the second support bar are all set along left and right directions
It sets, second driving motor is fixed on second support bar, the output shaft of second driving motor and second lead screw
One end connects, and the other end of second lead screw is connect with the screw hole of the draw runner.
It further says, the lift drive mechanism includes the liter tested probe and drive the test probe oscilaltion
Sending down abnormally ascending cylinder, the lifting cylinder are fixed on the draw runner, and the push rod of the lifting cylinder is connect with the test probe, two institutes
It states test probe to be electrically connected with the positive and negative two-stage of electric logging device respectively, the electric logging device is electrically connected with the controller.
It further says, further includes alarm device, the alarm device is electrically connected with the controller, the alarm device
For light alarm device or buzzing alarming device.
It further says, the upper surface of the workbench is additionally provided with infrared inductor, and the infrared inductor is located at described
Between feed mechanism and the stylus device, and the infrared inductor is electrically connected with the controller.
It further says, the upstream and downstream of the circuit board test apparatus are respectively equipped with artificial blowing station and artificial rewinding
Station.
Beneficial effects of the present invention at least have the following：
One, feed mechanism of the invention includes the material feeding driving mechanism that pedestal and driving pedestal are moved forward and backward, pedestal it is upper
Side is equipped with support board, and the lower section of support board is equipped with the lifting driving mechanism that driving support board rises, wiring board is lifted laggard
Row detection, then stylus device is controlled by controller, wiring board is detected, to improve the safety of detection, ensure circuit
The quality of plate, entire production process use automation control, liberate labour, improve detection efficiency；
Two, lifting driving mechanism of the invention includes lifter plate, elevating screw, elevating lever, gag lever post and driving lifter plate
The lifting driving motor moved up and down, lifting driving motor is fixed on pedestal, under the output shaft and elevating screw of driving motor
End connection, the upper end of elevating screw and the screw hole of lifter plate connect, and the upper surface of pedestal is fixed at least 4 gag lever posts, limit
The upper end of bar passes through lifter plate and can just resist the edge of wiring board, and the upper surface of lifter plate is at least provided with 4 elevating levers, lifting
The upper end of bar is inconsistent with support board, this is reasonable in design, can simultaneously holding multiple pieces wiring board, avoid operating personnel from pacifying repeatedly
It puts, more preferably, after wiring board detection terminates to be removed, uppermost wiring board to be tested is lifted by lifting driving motor
To specified altitude assignment, then by test probe be detected, be effectively increased the accuracy of electrical measurement, it is worth mentioning at this point that, elevating lever and
Support board is equipped between wiring board prevents elevating lever from causing to damage to wiring board to play the role of protection to wiring board；
Three, stylus device of the invention includes being moved forward and backward mechanism, left/right movement device and elevating mechanism, is moved forward and backward machine
Structure includes the first driving motor that sliding block, the first lead screw and driving sliding block are moved forward and backward, and left/right movement device includes draw runner, second
The second driving motor that lead screw, first support bar, second support bar and driving draw runner move left and right, to make test probe to line
Multiple points are detected on the plate of road, improve detection efficiency and quality；
Four, the invention also includes alarm device, alarm device is light alarm device or buzzing alarming device, works as wiring board
There are when problem, alarmed by alarm device.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of the lifting driving mechanism of the present invention；
Fig. 3 is the enlarged drawing at the A of Fig. 1 of the present invention；
Fig. 4 is the control principle drawing of the present invention；
The label of each component is as follows in attached drawing：
Workbench 1, sliding slot 11, guide rail 12, feed mechanism 2, pedestal 21, support board 22, lifting driving mechanism 221, lifting
Plate 2211, elevating screw 2212, elevating lever 2213, gag lever post 2214, lifting driving motor 2215, feeding cylinder 23, stylus dress
Set 3, sliding block 31, the first lead screw 32, the first driving motor 33, draw runner 34, the second lead screw 35, first support bar 36, sliding rail 361,
Second support bar 37, the second driving motor 38, lifting cylinder 39, controller 4, wiring board 5, test probe 6, electric logging device 7, alarm
Device 8 and infrared inductor 9.
Specific implementation mode
The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment：A kind of circuit board test apparatus, as shown in Figs 1-4, the present invention include workbench 1, feed mechanism 2, survey
Needle device 3 and controller 4, the feed mechanism 2 and the stylus device 3 are all located at the top of the workbench 1；
The conveying direction of wiring board 5 is defined as front, the feed mechanism 2 is including pedestal 21 and drives the pedestal 21
The top of the material feeding driving mechanism of back-and-forth motion, the pedestal 21 is equipped with support board 22, and several pieces are placed on the support board 22
The wiring board 5, the lower section of the support board 22 are equipped with the lifting driving mechanism 221 for driving the support board 22 to rise；
Respectively symmetrically equipped with stylus device 3 described in one group, the stylus device 3 wraps for the left and right sides of the feed mechanism 2
It includes and is moved forward and backward mechanism, left/right movement device and elevating mechanism；
The lifting driving mechanism 221 includes lifter plate 2211, elevating screw 2212, elevating lever 2213, gag lever post 2214
With the lifting driving motor 2215 for driving the lifter plate 2211 to move up and down, the lifting driving motor 2215 is fixed on described
The output shaft of pedestal 21, the lifting driving motor is connect with the lower end of the elevating screw 2212, the elevating screw 2212
Upper end connect with the screw hole of the lifter plate 2211, the upper surface of the pedestal 21 is fixed at least 4 gag lever posts
2214, the upper end of the gag lever post 2214 passes through the lifter plate 2211 and can just resist the edge of the wiring board 5, the liter
The upper surface of plate 2211 is dropped at least provided with 4 elevating levers 2213, the upper end of the elevating lever 2213 and the support board 22
It is inconsistent；
The material feeding driving mechanism, the back-and-forth motion mechanism, described moves left and right machine at the lifting driving motor 2215
Structure and the elevating mechanism are electrically connected with the controller 4 respectively.
When it is implemented, the controller 4 includes display screen and operation button.
The material feeding driving mechanism includes the feeding cylinder 23 that the driving pedestal 21 is moved forward and backward, the feeding cylinder 23
It is fixed on the workbench 1, the push rod of the feeding cylinder 23 is connect with the pedestal 21；
The upper surface of the workbench 1 is equipped at least one sliding slot 11 in the front-back direction, and the pedestal 21 extends downwardly shape
At the structure to match with the sliding slot 11 so that the pedestal 21 is moved along the direction of sliding slot 11.
The mechanism that is moved forward and backward includes the first drive that sliding block 31, the first lead screw 32 and the driving sliding block 31 are moved forward and backward
Dynamic motor 33, first lead screw 32 are arranged along the front-rear direction of the workbench 1, one end of first lead screw 32 and institute
The output axis connection of the first driving motor 33 is stated, first driving motor 33 is fixed on the workbench 1, first lead screw
32 other end is connect with the screw hole of the sliding block 31.
The upper surface of the workbench 1 be equipped with two guide rails 12 in the front-back direction, and two guide rails 12 respectively with institute
State that sliding block 31 is corresponding, the sliding block 31 is downwardly extending the structure to match with the guide rail 12 so that 31 edge of the sliding block
The direction movement of guide rail 12.
The left/right movement device includes draw runner 34, the second lead screw 35, first support bar 36, second support bar 37 and driving
Sliding block 31 is fixed in the second driving motor 38 that the draw runner 34 moves left and right, the lower end of the first support bar 36, and described
The upper end of one supporting rod is connect with the second support bar 37, and the first support bar 36 and the second support bar 37 are mutual
It is vertically arranged, the upper surface of the second support bar 37 is equipped with the draw runner 34, the draw runner 34 and the second support bar 37
All it is arranged along left and right directions, second driving motor 38 is fixed on second support bar 37, second driving motor 38
Output shaft is connect with one end of second lead screw 35, and the other end of second lead screw 35 connects with the screw hole of the draw runner 34
It connects.
When it is implemented, the upper surface of the second support bar 37 is equipped with the sliding rail 361 of left and right directions, and the draw runner 34
The structure to match with the sliding rail 361 is downwardly extending so that the draw runner 34 is moved along the direction of the sliding rail 361.
The lift drive mechanism includes the lifting cylinder 39 tested probe 6 and drive test 6 oscilaltion of probe,
Second driving motor 39 is fixed on the draw runner 34, and the push rod of second driving motor 39 connects with the test probe 6
It connects, two test probes 6 are electrically connected with the positive and negative two-stage of electric logging device 7 respectively, the electric logging device 7 and 4 electricity of the controller
Connection.
Further include alarm device 8, the alarm device 8 is electrically connected with the controller 4, and the alarm device is warned for light
Reporting device or buzzing alarming device.
The upper surface of the workbench 1 is additionally provided with infrared inductor 9, and the infrared inductor 9 is located at the feed mechanism 2
Between the stylus device 3, and the infrared inductor 9 is electrically connected with the controller 4.
The upstream and downstream of the circuit board test apparatus are respectively equipped with artificial blowing station and artificial rewinding station.
Working principle of the present invention is as follows several pieces of wiring boards are manually positioned over support board, material feeding driving mechanism is by base
Seat is fed forward, and infrared inductor senses wiring board and transmits signals to controller, controller control lifting driving mechanism
It wiring board to be lifted, and controls stylus device and multiple points on wiring board is detected, detection terminates, and wiring board is in conveyer
It being fed forward under the conveying of structure, operating personnel take the wiring board tested away, and material feeding driving mechanism driving pedestal moves backward,
Next piece of wiring board is detected, entire production process uses automation control, greatly improves detection efficiency.
Example the above is only the implementation of the present invention is not intended to limit the scope of the invention, every to utilize this hair
Equivalent structure transformation made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant technical fields,
Similarly it is included within the scope of the present invention.
Claims (9)
1. a kind of circuit board test apparatus, it is characterised in that：Including workbench (1), feed mechanism (2), stylus device (3) and control
Device (4) processed, the feed mechanism and the stylus device are all located at the top of the workbench；
The conveying direction of wiring board (5) is defined as front, before the feed mechanism includes pedestal (21) and drives the pedestal
The top of the material feeding driving mechanism moved afterwards, the pedestal is equipped with support board (22), is placed described in several pieces on the support board
Wiring board, the lower section of the support board are equipped with the lifting driving mechanism (221) for driving the support board to rise；
Respectively symmetrically equipped with stylus device described in one group, the stylus device includes front and back shifting for the left and right sides of the feed mechanism
Motivation structure, left/right movement device and elevating mechanism；
The lifting driving mechanism includes lifter plate (2211), elevating screw (2212), elevating lever (2213), gag lever post (2214)
With the lifting driving motor (2215) for driving the lifter plate to move up and down, the lifting driving motor is fixed on the pedestal,
The output shaft of the lifting driving motor is connect with the lower end of the elevating screw, the upper end of the elevating screw and the lifting
The screw hole of plate connects, and the upper surface of the pedestal is fixed at least 4 gag lever posts, and the upper end of the gag lever post is across described
Lifter plate and the edge that can just resist the wiring board, the upper surface of the lifter plate are described at least provided with 4 elevating levers
The upper end of elevating lever and the support board are inconsistent；
The material feeding driving mechanism, the lifting driving motor, the back-and-forth motion mechanism, the left/right movement device and described
Elevating mechanism is electrically connected with the controller respectively.
2. circuit board test apparatus according to claim 1, it is characterised in that：The material feeding driving mechanism includes driving institute
The feeding cylinder (23) of pedestal back-and-forth motion is stated, the feeding cylinder is fixed on the workbench, the push rod of the feeding cylinder
It is connect with the pedestal；
The upper surface of the workbench is equipped at least one sliding slot (11) in the front-back direction, and the pedestal is downwardly extending and institute
The structure that sliding slot matches is stated so that the pedestal is moved along the direction of sliding slot.
3. circuit board test apparatus according to claim 1, it is characterised in that：The back-and-forth motion mechanism includes sliding block
(31), the first driving motor (33) that the first lead screw (32) and the driving sliding block are moved forward and backward, first lead screw is along institute
The front-rear direction setting of workbench is stated, the output axis connection of one end of first lead screw and first driving motor is described
First driving motor is fixed on the workbench, and the other end of first lead screw is connect with the screw hole of the sliding block.
4. circuit board test apparatus according to claim 3, it is characterised in that：The upper surface of the workbench is equipped with two
Guide rail (12) in the front-back direction, and two guide rails are corresponding with the sliding block respectively, the sliding block be downwardly extending with
The structure that the guide rail matches is so that the sliding block is moved along the direction of guide rail.
5. circuit board test apparatus according to claim 3, it is characterised in that：The left/right movement device includes draw runner
(34), the second drive that the second lead screw (35), first support bar (36), second support bar (37) and the driving draw runner move left and right
Sliding block is fixed in the lower end of dynamic motor (38), the first support bar, and the upper end of the first support bar is supported with described second
Bar connects, and the first support bar and the second support bar are arranged in a mutually vertical manner, and the upper surface of the second support bar is set
There are the draw runner, the draw runner and the second support bar to be all arranged along left and right directions, second driving motor is fixed on
Second support bar, the output shaft of second driving motor are connect with one end of second lead screw, second lead screw it is another
One end is connect with the screw hole of the draw runner.
6. circuit board test apparatus according to claim 5, it is characterised in that：The lift drive mechanism includes that test is visited
The lifting cylinder (39) of needle (6) and the driving test probe oscilaltion, the lifting cylinder is fixed on the draw runner, described
The push rod of lifting cylinder is connect with the test probe, and two test probes are electric with the positive and negative two-stage of electric logging device (7) respectively
Connection, the electric logging device are electrically connected with the controller.
7. circuit board test apparatus according to claim 1, it is characterised in that：Further include alarm device (8), the alarm
Device is electrically connected with the controller, and the alarm device is light alarm device or buzzing alarming device.
8. circuit board test apparatus according to claim 1, it is characterised in that：The upper surface of the workbench is additionally provided with red
Outer inductor (9), the infrared inductor is between the feed mechanism and the stylus device, and the infrared inductor
It is electrically connected with the controller.
9. circuit board test apparatus according to claim 1, it is characterised in that：The circuit board test apparatus it is upper and lower
Trip is respectively equipped with artificial blowing station and artificial rewinding station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810212641.1A CN108414920A (en) | 2018-03-15 | 2018-03-15 | Circuit board test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810212641.1A CN108414920A (en) | 2018-03-15 | 2018-03-15 | Circuit board test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108414920A true CN108414920A (en) | 2018-08-17 |
Family
ID=63131637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810212641.1A Pending CN108414920A (en) | 2018-03-15 | 2018-03-15 | Circuit board test apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108414920A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109655639A (en) * | 2018-12-26 | 2019-04-19 | 中山市飞溙电子科技有限公司 | A kind of printer toner cartridge automatic detection device |
| WO2020051830A1 (en) * | 2018-09-13 | 2020-03-19 | 太仓德纳森机电工程有限公司 | Electrical measurement device for circuit boards |
| WO2020051828A1 (en) * | 2018-09-13 | 2020-03-19 | 太仓德纳森机电工程有限公司 | Circuit board testing device |
| CN110988659A (en) * | 2019-12-31 | 2020-04-10 | 重庆凯歌电子股份有限公司 | Identification point and identification method for circuit board V-CUT |
| CN111044884A (en) * | 2019-12-31 | 2020-04-21 | 重庆凯歌电子股份有限公司 | Identification system for circuit board V-CUT |
| CN114924159A (en) * | 2022-07-07 | 2022-08-19 | 扬州安驾大数据有限公司 | Circuit board electrification detection device and detection method for auxiliary driving detector |
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| CN110988659A (en) * | 2019-12-31 | 2020-04-10 | 重庆凯歌电子股份有限公司 | Identification point and identification method for circuit board V-CUT |
| CN111044884A (en) * | 2019-12-31 | 2020-04-21 | 重庆凯歌电子股份有限公司 | Identification system for circuit board V-CUT |
| CN114924159A (en) * | 2022-07-07 | 2022-08-19 | 扬州安驾大数据有限公司 | Circuit board electrification detection device and detection method for auxiliary driving detector |
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Application publication date: 20180817 |