CN107884704A - A kind of quick test fixture of improved circuit board - Google Patents
A kind of quick test fixture of improved circuit board Download PDFInfo
- Publication number
- CN107884704A CN107884704A CN201711317297.4A CN201711317297A CN107884704A CN 107884704 A CN107884704 A CN 107884704A CN 201711317297 A CN201711317297 A CN 201711317297A CN 107884704 A CN107884704 A CN 107884704A
- Authority
- CN
- China
- Prior art keywords
- shelf
- pressing plate
- work top
- circuit board
- probe
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Electronic Circuits (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a kind of quick test fixture of the improved circuit board for the syringe needle stroke that can accurately define upper elastic probe, its structure includes:Testboard, pressing plate is movably set with above the work top of testboard, probe groups are equipped with pressing plate, spacing top dagger is provided with the bottom surface of pressing plate, board positioning means are provided with work top, its structure includes:It is separately positioned on work top both sides, the guide plate being parallel to each other and the limiting plate perpendicular with guide plate a pair, the bottom of the inner side surface of guide plate offers inverted upper and lower two-stage step, get out of a predicament or an embarrassing situation and gliding groove is formed between work top, shelf is movably set with gliding groove, the upper hopper chute for plugging the wiring board to be tested is formed between shelf and top bar, flexible restoring organ is provided between shelf and work top.The quick test fixture can be widely used in the test of various circuit boards, the test of the circuit board for the wiring congestion that is particularly suitable for use in.
Description
Technical field
The present invention relates to the quick test of a kind of test fixture of circuit board, more particularly to a kind of improved circuit board
Frock.
Background technology
Professional both knows about, and in order to improve production efficiency, for large batch of circuit board, generally all uses special survey
Row detection is put into trial work.And in traditional test fixture, the one side generally just for circuit board is provided with test probe and (also referred to as pushed up
Pin), such test fixture is for the circuit board for suffering closer than comparatively dense, test point for some wirings, due to surveying
Souning out pin cannot arrange, and generally to design two sets of test fixtures and corresponding test point on wiring board is detected respectively.So,
On the one hand test period is added, is on the other hand unfavorable for comprehensively debugging the circuit on wiring board.On solving
State problem, applicant have submitted to State Intellectual Property Office entitled on December 8th, 2017:A kind of circuit board it is quick
Test fixture, number of patent application are:201711292441.3 application for a patent for invention.But described in the application for a patent for invention
Technical scheme in actual debugging process, in discovery elastic probe during the circuit board to be tested of pushing tow moves down,
The stroke of its syringe needle is excessive, may influence whether the elastomeric element premature failure in elastic probe, so as to have influence on upper elasticity
The service life of probe.
The content of the invention
The technical problems to be solved by the invention are:A kind of syringe needle stroke that can accurately define elastic probe is provided
The quick test fixture of improved circuit board.
In order to solve the above technical problems, the technical solution adopted by the present invention is:A kind of quick test of improved circuit board
Frock, including:Testboard, the top of the work top of the testboard is movably set with by pressing plate guiding mechanism and workbench
The parallel pressing plate in face, described testboard are provided with by support in the top of pressing plate and push piston cylinder, push piston cylinder
Piston rod is connected with pressing plate, and the upper probe groups being made up of several syringe needles upper elastic probe directed downwardly, pressing plate are equipped with pressing plate
Bottom surface on be provided with the spacing top dagger being engaged with described upper elastic probe, the lower end of spacing top dagger is provided with insulation
Buffer cap, the lower probe groups being made up of the head-up lower elastic probe of several pins, the work are equipped with described work top
Make to be additionally provided with the board positioning means being engaged with described upper and lower probe groups, the tool of board positioning means on table top
Body structure includes:For shelve the shelf of wiring board, the guide plate for being separately positioned on work top both sides for a pair, being parallel to each other,
And be arranged on work top rear, with the perpendicular limiting plate of guide plate, the bottom of the inner side surface of guide plate offers
Inverted upper and lower two-stage step, gets out of a predicament or an embarrassing situation and gliding groove is formed between work top, the edge difference of the shelf respective sides
It is movably arranged in the gliding groove of both sides, the upper hopper chute that measurement circuit plate is wanted for plugging is formed between shelf and top bar,
The both sides of work top, which face to get out of a predicament or an embarrassing situation, is respectively arranged with shelf lead, is offered on described shelf and shelf lead
Corresponding shelf pilot hole and worn with all lower one-to-one probe avoid holes of elastic probe, shelf lead activity
It is located in corresponding shelf pilot hole, described lower elastic probe one-to-one corresponding activity is located in corresponding probe avoid holes,
Shelf back-moving spring is arranged with shelf lead, the both ends of shelf back-moving spring are born against on work top and shelf.
As a kind of preferred scheme, in a kind of quick test fixture of described improved circuit board, the spacing top
The specific set-up mode of dagger is:Fastening thread hole is offered on the bottom surface of the pressing plate, the upper end of the spacing top dagger is set
Thinner mounting post is equipped with, so as to forming positioning step between mounting post and spacing top dagger, is provided with mounting post and institute
State the fastening thread that fastening thread hole is engaged.
As a kind of preferred scheme, in a kind of quick test fixture of described improved circuit board, described insulation
Buffer cap is made up of rubber or nylon material.
As a kind of preferred scheme, in a kind of quick test fixture of described improved circuit board, described pressing plate
Guiding mechanism includes:At least one pair of is separately positioned on the pressing plate lead of work top both sides, offered on described pressing plate with
Pressing plate lead corresponds the pressing plate pilot hole coordinated, and described pressing plate lead one-to-one corresponding activity is located in corresponding pressure
In plate pilot hole.
As a kind of preferred scheme, in a kind of quick test fixture of described improved circuit board, described support
Including:At least one pair of horizontal mounting plate for being separately positioned on the column of work top both sides and being arranged on the column top,
Described pushes piston cylinder on the horizontal mounting plate.
As a kind of preferred scheme, in a kind of quick test fixture of described improved circuit board, described test
Platform includes:Work top and at least three support feets for being used to support this work top.
As a kind of preferred scheme, in a kind of quick test fixture of described improved circuit board, described pushes
Piston cylinder is cylinder or oil cylinder.
The beneficial effects of the invention are as follows:The present invention is by setting upper and lower two probe groups, while to positive and negative the two of circuit board
Face is detected, and the circuit on wiring board is comprehensively debugged so as to realize, in addition, the board positioning means
Specific set-up mode, greatly facilitate the plug and positioning of circuit board, shorten test period, improve production efficiency, drop
Low production cost.Further, since being provided with spacing top dagger on the bottom surface of pressing plate, the row of elastic probe syringe needle ensure that
Cheng Shizhong, and will be freed in its task from pushing tow, extend its service life.
Brief description of the drawings
Fig. 1 is the partial cross structural representation of the quick test fixture of modified of the present invention.
Fig. 2 is the mplifying structure schematic diagram of part A in Fig. 1.
Fig. 3 is the mplifying structure schematic diagram of part B in Fig. 1.
Reference in Fig. 1 to Fig. 3 is:11st, support feet, 12, work top, 13, column, 14, horizontal mounting plate,
15th, lower air cylinder, 16, pressing plate lead, 17, upper elastic probe, 18, lower elastic probe, 21, pressing plate, 22, limiting plate, 23, lead
To plate, 231, upper hopper chute, 232, gliding groove, 24, shelf, 241, shelf pilot hole, 25, shelf lead, 26, shelf reset bullet
Spring, 27, shore limited post, 271, mounting post, 272, stretch out boss, 28, buffer insulation cap.
Embodiment
Below in conjunction with the accompanying drawings 1 and 3, a kind of quick test fixture of improved circuit board of the present invention is described in detail
Specific embodiment:
As shown in figure 1, a kind of quick test fixture of improved circuit board of the present invention, its structure include:By work
Make table top 12 and at least three and be used for the testboard that the support feet 11 of support works table top 12 is formed, work top 12 it is upper
Side is movably set with the pressing plate 21 parallel with work top 12, the concrete structure of pressing plate guiding mechanism by pressing plate guiding mechanism
Including:At least one pair of is separately positioned on the pressing plate lead 16 of the both sides of work top 12, offers and presses on described pressing plate 21
Plate lead 16 corresponds the pressing plate pilot hole coordinated, and the described one-to-one corresponding activity of pressing plate lead 16 is located in accordingly
In pressing plate pilot hole;Described work top 12 is in the top of pressing plate 21 by being separately positioned on work top 12 by least one pair of
The column 13 of both sides and it is arranged on the horizontal mounting plate 14 on the top of column 13 and is provided with lower air cylinder 15, lower air cylinder
15 are arranged on the horizontal mounting plate 14, and the piston rod of lower air cylinder 15 is connected with described pressing plate 21, is worn on the pressing plate 21
By the upper probe groups being made up of several syringe needles upper elastic probe 17 directed downwardly, as shown in figure 3, the bottom surface both sides of the pressing plate 21
At least one spacing top dagger 27 is respectively arranged with, the specific set-up mode of the spacing top dagger 27 is:The bottom of the pressing plate 21
Offer fastening thread hole on face, the upper end of the spacing top dagger 27 is provided with thinner mounting post 271, mounting post 271 with
Positioning step is formed between spacing top dagger 27, the fastening spiral shell being engaged with the fastening thread hole is provided with mounting post 271
Line, mounting post 271 are arranged on corresponding fastening thread hole on the bottom surface of pressing plate 21 by fastening thread, under spacing top dagger 27
End, which is provided with, stretches out boss 272, stretches out on boss 272 and is arranged with the buffer insulation cap 28 made of rubber or nylon material, institute
The lower probe groups being made up of the head-up lower elastic probe 18 of several pins, the work top are equipped with the work top 12 stated
Be additionally provided with the board positioning means being engaged with described upper and lower probe groups on 12, the board positioning means it is specific
Structure includes:For the guide plate for shelving the shelf 24 of circuit board, being separately positioned on the both sides of work top 12 for a pair, being parallel to each other
23 and be arranged on the rear of work top 12, with the perpendicular limiting plate 22 of guide plate 23, as shown in Fig. 2 the guide plate
The bottom of 23 inner side surface offers inverted upper and lower two-stage step, gets out of a predicament or an embarrassing situation and forms gliding groove between work top 12
232, the edge of the respective sides of shelf 24 is movably arranged in gliding groove 232 respectively, is formed between shelf 24 and top bar
The upper hopper chute 231 of measurement circuit plate is wanted for plugging, the both sides of work top 12 face corresponding get out of a predicament or an embarrassing situation and set respectively
There is shelf lead 25, the shelf pilot hole 241 corresponding with shelf lead 25, Yi Jiyu are offered on described shelf 24
All one-to-one probe avoid holes of lower elastic probe 18, the activity of shelf lead 25 are located in corresponding shelf pilot hole
In 241, the described one-to-one corresponding activity of lower elastic probe 18 is located in corresponding probe avoid holes, is covered on shelf lead 25
Provided with shelf back-moving spring 26, the both ends of shelf back-moving spring 26 are born against on work top 12 and shelf 24.
Certainly, in practical application, described lower air cylinder 15 by oil cylinder or other can also can move along a straight line
Power set replace.
During real work, circuit board to be tested is inserted in upper hopper chute 231, until the back edge of circuit board is resisted against limit
On the plate 22 of position, then, moved down by the pressing plate 21 of lower air cylinder 15 along vertical direction so that upper elastic probe 17 and
Corresponding test point good contact on circuit board, then, pressing plate 21 continues to move down in the presence of lower air cylinder 15, and pressing plate 21 exists
In folding process, shore that limited post 27 pushes circuit board and shelf 24 moves downwardly together so that tested accordingly on circuit board
Point and lower elastic probe reliable contacts.At this moment, it is possible to circuit board is comprehensively tested, test terminate after, under calm the anger
Cylinder 15 moves up with pressing plate 21, and circuit board and shelf 24 move up in the presence of shelf back-moving spring 26, wait after moving up in place, just
Circuit board can be taken out from upper hopper chute 231.
In summary, only presently preferred embodiments of the present invention, is not used for limiting the scope that the present invention is implemented, it is all according to
The equivalent variations and modification that shape, construction, feature and spirit described in scope of the invention as claimed are made, this all should be included in
In the right of invention.
Claims (7)
1. a kind of quick test fixture of improved circuit board, including:Testboard, it is characterised in that:The work of the testboard
The top of table top is movably set with the pressing plate parallel with work top by pressing plate guiding mechanism, and described testboard is in pressing plate
Top be provided with by support and push piston cylinder, the piston rod for pushing piston cylinder is connected with pressing plate, if be equipped with pressing plate by
The upper probe groups of a syringe needle upper elastic probe composition directed downwardly are done, are provided with and described upper elastic probe phase on the bottom surface of pressing plate
The spacing top dagger of cooperation, the lower end of spacing top dagger are provided with buffer insulation cap, if be equipped with described work top by
The lower probe groups of the head-up lower elastic probe composition of a pin are done, are additionally provided with and described upper and lower probe on the work top
The board positioning means that group is engaged, the concrete structure of board positioning means include:For shelve wiring board shelf, one
To be separately positioned on work top both sides, the guide plate being parallel to each other and be arranged on work top rear, with guide plate phase
Vertical limiting plate, the bottom of the inner side surface of guide plate offer inverted upper and lower two-stage step, get out of a predicament or an embarrassing situation and work top
Between form gliding groove, the edge of the shelf respective sides is movably arranged in the gliding groove of both sides respectively, and shelf is with appearing on the stage
The upper hopper chute that measurement circuit plate is wanted for plugging is formed between rank, the both sides of work top face to get out of a predicament or an embarrassing situation and are respectively arranged with
Shelf lead, offer on described shelf the shelf pilot hole corresponding with shelf lead and with all lower elasticity
The one-to-one probe avoid holes of probe, shelf lead activity are located in corresponding shelf pilot hole, described lower elasticity
Probe one-to-one corresponding activity is located in corresponding probe avoid holes, and shelf back-moving spring, shelf are arranged with shelf lead
The both ends of back-moving spring are born against on work top and shelf.
2. the quick test fixture of improved circuit board according to claim 1, it is characterised in that:The spacing top dagger
Specific set-up mode be:Fastening thread hole is offered on the bottom surface of the pressing plate, the upper end of the spacing top dagger is provided with
Thinner mounting post, so as to forming positioning step between mounting post and spacing top dagger, be provided with mounting post with it is described tight
Gu the fastening thread that corresponding threaded holes close.
3. the quick test fixture of improved circuit board according to claim 1, it is characterised in that:Described buffer insulation
Cap is made up of rubber or nylon material.
4. the quick test fixture of improved circuit board according to claim 1, it is characterised in that:Described pressing plate is oriented to
Mechanism includes:At least one pair of is separately positioned on the pressing plate lead of work top both sides, is offered on described pressing plate and pressing plate
Lead corresponds the pressing plate pilot hole coordinated, and described pressing plate lead one-to-one corresponding activity is located in corresponding pressing plate and led
Xiang Kongzhong.
5. the quick test fixture of improved circuit board according to claim 1, it is characterised in that:Described support bag
Include:At least one pair of horizontal mounting plate for being separately positioned on the column of work top both sides and being arranged on the column top, institute
That states pushes piston cylinder on the horizontal mounting plate.
6. the quick test fixture of improved circuit board according to claim 1, it is characterised in that:Described testboard bag
Include:Work top and at least three support feets for being used to support this work top.
7. the quick test fixture of improved circuit board according to any one of claim 1 to 6, it is characterised in that:Institute
The piston cylinder that pushes stated is cylinder or oil cylinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711317297.4A CN107884704A (en) | 2017-12-12 | 2017-12-12 | A kind of quick test fixture of improved circuit board |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711317297.4A CN107884704A (en) | 2017-12-12 | 2017-12-12 | A kind of quick test fixture of improved circuit board |
Publications (1)
Publication Number | Publication Date |
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CN107884704A true CN107884704A (en) | 2018-04-06 |
Family
ID=61773813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711317297.4A Pending CN107884704A (en) | 2017-12-12 | 2017-12-12 | A kind of quick test fixture of improved circuit board |
Country Status (1)
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CN (1) | CN107884704A (en) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107861054A (en) * | 2017-12-08 | 2018-03-30 | 张家港市得道电子有限公司 | A kind of quick test fixture of circuit board |
CN109143035A (en) * | 2018-09-03 | 2019-01-04 | 安徽文康科技有限公司 | Circuit board detecting tooling |
CN111060806A (en) * | 2019-12-18 | 2020-04-24 | 合肥宇隆光电科技有限公司 | Control panel testing device and testing system |
CN111579831A (en) * | 2020-05-18 | 2020-08-25 | 武汉精毅通电子技术有限公司 | Probe and connector suitable for high-current high-speed signal test |
CN112782566A (en) * | 2021-02-01 | 2021-05-11 | 南京元博皓创科技有限公司 | Ad hoc network circuit board test tool and use method thereof |
CN114280509A (en) * | 2021-12-28 | 2022-04-05 | 萍乡栢晟电子有限公司 | Inductor quality inspection equipment |
CN117471291A (en) * | 2023-12-26 | 2024-01-30 | 张家港市得道电子有限公司 | Circuit board production detection device |
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CN205091435U (en) * | 2015-02-14 | 2016-03-16 | 重庆汇韬电气有限公司 | PCB testing arrangement |
CN105699874A (en) * | 2014-11-28 | 2016-06-22 | 天津市中天电子发展有限公司 | Water meter circuit board rapid detection device |
CN205562594U (en) * | 2016-01-21 | 2016-09-07 | 苏州市运泰利自动化设备有限公司 | Balanced test fixture structure that pushes down |
CN205910230U (en) * | 2016-07-26 | 2017-01-25 | 普铄电子(上海)有限公司 | Detector head assembly based on probe |
CN106569122A (en) * | 2016-11-12 | 2017-04-19 | 广东科翔电子科技有限公司 | Method of improving PCB finished product testing efficiency |
CN206223925U (en) * | 2016-10-21 | 2017-06-06 | 厦门市铂联科技股份有限公司 | A kind of circuit board testing frock |
CN106940426A (en) * | 2017-04-01 | 2017-07-11 | 成都中科慧源科技有限公司 | A kind of circuit board testing frock and its method of testing |
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CN200976009Y (en) * | 2006-10-23 | 2007-11-14 | 比亚迪股份有限公司 | Electric performance testing clamp for circuit board |
CN105699874A (en) * | 2014-11-28 | 2016-06-22 | 天津市中天电子发展有限公司 | Water meter circuit board rapid detection device |
CN205091435U (en) * | 2015-02-14 | 2016-03-16 | 重庆汇韬电气有限公司 | PCB testing arrangement |
CN205562594U (en) * | 2016-01-21 | 2016-09-07 | 苏州市运泰利自动化设备有限公司 | Balanced test fixture structure that pushes down |
CN205910230U (en) * | 2016-07-26 | 2017-01-25 | 普铄电子(上海)有限公司 | Detector head assembly based on probe |
CN206223925U (en) * | 2016-10-21 | 2017-06-06 | 厦门市铂联科技股份有限公司 | A kind of circuit board testing frock |
CN106569122A (en) * | 2016-11-12 | 2017-04-19 | 广东科翔电子科技有限公司 | Method of improving PCB finished product testing efficiency |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107861054A (en) * | 2017-12-08 | 2018-03-30 | 张家港市得道电子有限公司 | A kind of quick test fixture of circuit board |
CN109143035A (en) * | 2018-09-03 | 2019-01-04 | 安徽文康科技有限公司 | Circuit board detecting tooling |
CN111060806A (en) * | 2019-12-18 | 2020-04-24 | 合肥宇隆光电科技有限公司 | Control panel testing device and testing system |
CN111060806B (en) * | 2019-12-18 | 2021-09-24 | 合肥宇隆光电科技有限公司 | Control panel testing device and testing system |
CN111579831A (en) * | 2020-05-18 | 2020-08-25 | 武汉精毅通电子技术有限公司 | Probe and connector suitable for high-current high-speed signal test |
CN111579831B (en) * | 2020-05-18 | 2023-03-14 | 武汉精毅通电子技术有限公司 | Probe and connector suitable for high-current high-speed signal test |
CN112782566A (en) * | 2021-02-01 | 2021-05-11 | 南京元博皓创科技有限公司 | Ad hoc network circuit board test tool and use method thereof |
CN114280509A (en) * | 2021-12-28 | 2022-04-05 | 萍乡栢晟电子有限公司 | Inductor quality inspection equipment |
CN117471291A (en) * | 2023-12-26 | 2024-01-30 | 张家港市得道电子有限公司 | Circuit board production detection device |
CN117471291B (en) * | 2023-12-26 | 2024-04-30 | 张家港市得道电子有限公司 | Circuit board production detection device |
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