CN207764350U - A kind of pressing wheel mechanism of pcb board scanning tester - Google Patents
A kind of pressing wheel mechanism of pcb board scanning tester Download PDFInfo
- Publication number
- CN207764350U CN207764350U CN201820195722.0U CN201820195722U CN207764350U CN 207764350 U CN207764350 U CN 207764350U CN 201820195722 U CN201820195722 U CN 201820195722U CN 207764350 U CN207764350 U CN 207764350U
- Authority
- CN
- China
- Prior art keywords
- pcb board
- pinch roller
- probe
- wheel
- driving
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of pressing wheel mechanisms of pcb board scanning tester, including outer framework, the inner frame being arranged in outer framework, the pinch roller assembly that can be rotated around one end in inner frame is set, it is provided with the first driving motor on the outside of the pinch roller assembly, the pinch roller assembly one end is provided with a pair of of driving wheel, and the driving wheel is driven by the first driving motor, it is all eccentric wheel that the driving wheel has driven wheel, the driving wheel and driven wheel by belt transmission；The pinch roller assembly includes the test board being arranged on inner frame, and left probe groups and right probe groups are tiltedly installed in the middle part of the test board, and left side, the right probe groups right side of the left probe groups are all provided with several groups pinch roller.The pressing wheel mechanism of pcb board scanning tester provided by the utility model need not position probe and can test pcb board, meanwhile, testing efficiency depends primarily on the sweep speed of probe, and testing efficiency is high.
Description
Technical field
The utility model is related to pcb board technical field of measurement and test, and in particular to a kind of wheel press of pcb board scanning tester
Structure.
Background technology
Electrical resistance test is a link critically important in pcb board processing procedure, it is therefore an objective to check that pcb board is asked whether there is or not short circuit is opened
Topic ensures the requirement for meeting consumer electrical performance when finished product shipment.
Pcb board detection device in the prior art is tested using jig under normal conditions, is in this case just needed
Manufacture corresponding jig, and per class pcb board be required for that corresponding jig is arranged, thus greatly increase test at
This, meanwhile, it needs to position probe in test process, causes test speed slow, testing efficiency is low.
Therefore, the existing technology needs to be improved and developed.
Utility model content
The technical problem to be solved by the present invention is to for the drawbacks described above of the prior art, provide a kind of pcb board
The pressing wheel mechanism of scanning tester, the utility model aim to solve the problem that pcb board testing cost in the prior art is high and test is imitated
The problem of rate bottom.
The utility model technical scheme applied to solve the technical problem is as follows：
A kind of pressing wheel mechanism of pcb board scanning tester, wherein the pressing wheel mechanism of the pcb board scanning tester
Including：
The inner frame in the outer framework is arranged in outer framework, and the pressure that can be rotated around one end in the inner frame is arranged
Wheel assembly, the pinch roller assembly outside are provided with the first driving motor for driving pinch roller assembly, described pinch roller assembly one end
Portion is provided with a pair of of driving wheel, and the driving wheel is driven by the first driving motor, the driving wheel by belt transmission have from
Driving wheel, the driving wheel and driven wheel are all eccentric wheel；
The pinch roller assembly includes the test board being arranged on the inner frame, and a left side is tiltedly installed in the middle part of the test board
Probe groups and right probe groups, left side, the right probe groups right side of the left probe groups are all provided with several groups pinch roller.
Preferably, the pressing wheel mechanism of the pcb board scanning tester, which is characterized in that the left probe groups and the right side
Probe groups all include multigroup probe, and multigroup probe of the left probe groups is shifted to install with multigroup probe of right probe groups.
Preferably, the pressing wheel mechanism of the pcb board scanning tester, wherein the outer framework includes：
End to end front end panel, right support plate, rear bearing sheet and left support plate, the end set of the rear bearing sheet
It is useful for the second driving motor of driving outer framework side-to-side movement.
Preferably, the pressing wheel mechanism of the pcb board scanning tester, wherein the front end panel and rear bearing sheet
Lower section is all fitted with guide rail.
Preferably, the pressing wheel mechanism of the pcb board scanning tester, wherein multigroup probe all rolls to the right
Tiltedly setting.
Compared with prior art, the pressing wheel mechanism of pcb board scanning tester provided by the utility model, including outline border
The inner frame in the outer framework is arranged in frame, and the pinch roller assembly that can be rotated around one end in the inner frame, the pressure is arranged
The first driving motor for driving pinch roller assembly is provided on the outside of wheel assembly, the pinch roller assembly one end is provided with a pair of of master
Driving wheel, the driving wheel are driven by the first driving motor, and the driving wheel has driven wheel, the driving wheel by belt transmission
It is all eccentric wheel with driven wheel；The pinch roller assembly includes the test board being arranged on the inner frame, in the middle part of the test board
Left probe groups and right probe groups are tiltedly installed with, left side, the right probe groups right side of the left probe groups are all provided with several groups pressure
Wheel, need not position probe and can test pcb board, meanwhile, testing efficiency depends primarily on sweeping for probe
Speed is retouched, testing efficiency is substantially increased.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the pressing wheel mechanism preferred embodiment of pcb board scanning tester of the utility model.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only used to explain this reality
With novel, it is not used to limit the utility model.
The utility model embodiment provides a kind of pressing wheel mechanism 300 of pcb board scanning tester, as shown in Figure 1, packet
It includes：Outer framework 301, the inner frame 302 being arranged in the outer framework 301 are arranged and can turn around one end in the inner frame 302
Dynamic pinch roller assembly 303,303 outside of the pinch roller assembly are provided with the first driving motor for driving pinch roller assembly 303
304,303 one end of the pinch roller assembly is provided with a pair of of driving wheel 305, and the driving wheel 305 passes through the first driving motor 304
Driving, the driving wheel 305 pass through belt（It is not shown in figure）Transmission has driven wheel 306, the driving wheel 305 and driven wheel
306 be all eccentric wheel；The pinch roller assembly 303 includes the test board 313 being arranged on the inner frame 302, the test board
313 middle parts are tiltedly installed with left probe groups 323 and right probe groups 333, and the left side of the left probe groups 323, right probe groups 333 are right
Side is all provided with several groups pinch roller 343.
When it is implemented, pressing wheel mechanism 300 provided by the utility model is mounted on pcb board scanning tester,
When passing through pcb board by the probe in left probe groups 323 and right probe groups 333, probe can pcb board show be scanned and with
Test point on pcb board surface is contacted, and to form a scanning patter, judges PCB according to the figure of these scannings
Then the sweep test image of plate analyzes its capacitance using the controller in test equipment and is pre-stored in controller
Capacitance is compared, if its capacitance the capacitance that this prestores in the range of, illustrate these test points be it is qualified, such as
The capacitance that fruit measures is more than that the capacitance to prestore just illustrates that these test points are unqualified.
When it is implemented, driving wheel 305 and driven wheel 306 are all eccentric wheel, and therefore, during needing to test, the
Driving wheel 305 and the driving of driven wheel 306 are arrived the shortest distance between its center of rotation and test board 313 by one driving motor 304
Position, at this point, the detection on test board 313 can be scanned test to pcb board to be measured, simultaneously as in left probe groups
323 left side, the right side of right probe groups 333 are all provided with several groups pinch roller 343, therefore, can by these pinch rollers 343
Pcb board tabletting, prepares for sweep test, improves testing efficiency.When a pcb board is tested, the needs of pressing wheel mechanism 300 return
Hui Shi, the first driving motor 304 arrive driving wheel 305 and the driving of driven wheel 306 between its center of rotation and test board 313 most
At long range position, so that pressing wheel mechanism 300, which quickly leaves, completes entire test process.
The pressing wheel mechanism of pcb board scanning tester provided by the utility model does not need jig, and zero consumptive material does not need
Probe is positioned, you can PCB is tested, the speed of test depends primarily on the speed of scanning, depends no longer on every
Number of test points on a PNL plates, testing efficiency are high.
In the further preferred embodiment of the utility model, the left probe groups 323 and right probe groups 333 all include multigroup spy
Needle, multigroup probe of the left probe groups 323 are shifted to install with multigroup probe of right probe groups 333.
In the further preferred embodiment of the utility model, the outer framework 301 includes：End to end front end panel 311,
The end set of right support plate 321, rear bearing sheet 331 and left support plate 341, the rear bearing sheet 331 is useful for driving outline border
Second driving motor of 301 side-to-side movement of frame（It is not shown in figure）.
In the further preferred embodiment of the utility model, the front end panel 311 and 331 lower section of rear bearing sheet are all fitted with
Guide rail（It is not shown in figure）.
In the further preferred embodiment of the utility model, multigroup probe is all obliquely installed to the right.
In conclusion the utility model discloses a kind of pressing wheel mechanism of pcb board scanning tester, including outer framework,
Inner frame in the outer framework is set, the pinch roller assembly that can be rotated around one end in the inner frame, the pinch roller are set
The first driving motor for driving pinch roller assembly is provided on the outside of component, the pinch roller assembly one end is provided with a pair of of active
Wheel, the driving wheel drive by the first driving motor, and the driving wheel has a driven wheel by belt transmission, the driving wheel with
Driven wheel is all eccentric wheel；The pinch roller assembly includes the test board being arranged on the inner frame, is inclined in the middle part of the test board
Left probe groups and right probe groups are tiltedly provided with, left side, the right probe groups right side of the left probe groups are all provided with several groups pinch roller,
Probe need not be positioned and pcb board can be tested, meanwhile, testing efficiency depends primarily on the scanning speed of probe
Degree, substantially increases testing efficiency.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit requires.
Claims (5)
1. a kind of pressing wheel mechanism of pcb board scanning tester, which is characterized in that the pinch roller of the pcb board scanning tester
Mechanism includes：
The inner frame in the outer framework is arranged in outer framework, and the press nips that can be rotated around one end in the inner frame are arranged
Part, the pinch roller assembly outside are provided with the first driving motor for driving pinch roller assembly, and the pinch roller assembly one end is set
It is equipped with a pair of of driving wheel, the driving wheel is driven by the first driving motor, and the driving wheel has driven wheel by belt transmission,
The driving wheel and driven wheel are all eccentric wheel；
The pinch roller assembly includes the test board being arranged on the inner frame, and left probe is tiltedly installed in the middle part of the test board
Group and right probe groups, left side, the right probe groups right side of the left probe groups are all provided with several groups pinch roller.
2. the pressing wheel mechanism of pcb board scanning tester according to claim 1, which is characterized in that the left probe groups
All include multigroup probe with right probe groups, multigroup probe of the left probe groups is shifted to install with multigroup probe of right probe groups.
3. the pressing wheel mechanism of pcb board scanning tester according to claim 2, which is characterized in that the outer framework packet
It includes：
End to end front end panel, right support plate, rear bearing sheet and left support plate, the end set of the rear bearing sheet are useful
In the second driving motor of driving outer framework side-to-side movement.
4. the pressing wheel mechanism of pcb board scanning tester according to claim 3, which is characterized in that the front end panel
It is all fitted with guide rail with rear bearing sheet lower section.
5. the pressing wheel mechanism of pcb board scanning tester according to claim 4, which is characterized in that multigroup probe
All it is obliquely installed to the right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820195722.0U CN207764350U (en) | 2018-02-05 | 2018-02-05 | A kind of pressing wheel mechanism of pcb board scanning tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820195722.0U CN207764350U (en) | 2018-02-05 | 2018-02-05 | A kind of pressing wheel mechanism of pcb board scanning tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207764350U true CN207764350U (en) | 2018-08-24 |
Family
ID=63179991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820195722.0U Expired - Fee Related CN207764350U (en) | 2018-02-05 | 2018-02-05 | A kind of pressing wheel mechanism of pcb board scanning tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207764350U (en) |
-
2018
- 2018-02-05 CN CN201820195722.0U patent/CN207764350U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20210205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |