CN216285571U - Integrative tool of single face circuit board test trepanning - Google Patents
Integrative tool of single face circuit board test trepanning Download PDFInfo
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- CN216285571U CN216285571U CN202120745108.9U CN202120745108U CN216285571U CN 216285571 U CN216285571 U CN 216285571U CN 202120745108 U CN202120745108 U CN 202120745108U CN 216285571 U CN216285571 U CN 216285571U
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- circuit board
- trepanning
- needle plate
- jig
- test
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Abstract
The utility model discloses a single-sided circuit board test trepanning integrated jig which comprises an upper jig and a lower jig matched with the upper jig; the upper jig comprises an upper needle plate and a plurality of test needles; the test needle comprises a probe and a copper head fixed at the upper end of the probe, the upper end of the copper head is arranged in a jack positioned in the upper needle plate, and the lower end of the probe penetrates out of the copper head to form a plug; the lower jig comprises a lower needle plate; a plurality of abdicating holes matched with the plugs are formed in the lower needle plate; it is a plurality of the below of hole of stepping down is equipped with one and is used for collecting clastic receiver. According to the utility model, the test needle is arranged above the abdicating hole, so that the hole can be conveniently sleeved, the chips are not easy to accumulate on the test needle, and meanwhile, the storage box for storing the chips is arranged below the abdicating hole, so that the chips can be conveniently collected.
Description
Technical Field
The utility model relates to the technical field of test jigs, in particular to a single-sided circuit board test trepanning integrated jig.
Background
At present, after a circuit board is formed, two procedures are needed to operate the circuit board; firstly, trepanning a part hole for assembling a component on a circuit board by using a probe so as to clean foreign matters in the part hole; and secondly, conducting test is carried out on the detection points surrounding the part holes on the surface of the circuit board by using the copper heads fixed on the probes, and whether the conducting layer has the problems of open circuit, short circuit, unqualified impedance, unqualified resistance value and the like is tested, so that the electrical performance quality of the circuit board is ensured, and the diameter of the part holes is smaller than that of the copper heads. However, these two processes are generally performed separately, so that two machines are required to be performed sequentially, which is not only time consuming and inefficient, but also increases the production cost due to the need to purchase two machines.
Application No.: 201921539371.1 discloses a multifunctional circuit board testing jig, which comprises a lower jig and an upper jig matched with the lower jig, wherein the lower jig comprises a lower needle plate, a composite plate fixedly connected with the lower needle plate through a lower fixing column, and a plurality of testing needles, each testing needle comprises a probe and a copper head fixedly connected with the upper end of the probe, the lower end of the copper head is inserted into an insertion hole on the lower needle plate, the lower end of the probe penetrates through the lower needle plate to be electrically connected with a testing conductive wire with one end positioned in the composite plate, each probe is correspondingly electrically connected with one testing conductive wire, and the upper jig comprises an upper needle plate and a fixing plate which are respectively fixedly connected with the upper fixing column; the upper end of the probe penetrates out of the copper head to form a plug; the upper needle plate is provided with a plurality of abdicating holes matched with the plugs. The circuit board testing jig can simultaneously carry out trepanning on part holes of the circuit board and monitoring on a conducting layer of the circuit board, thereby greatly improving the working efficiency and saving the production cost. However, there are some disadvantages, for example, because the testing pin is disposed on the lower pin plate, and the circuit board needs to be trepanned in the component hole during the testing process to clean up the debris in the component hole. In trepanning process, the piece of being cleared up out on the circuit board can directly fall on faller down, even on the test needle, in the past for a long time, the accumulational piece has the accuracy that probably influences the test, is unfavorable for the test.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, an object of the present invention is to provide an integrated jig for testing trepanning of a single-sided circuit board, wherein a testing pin is disposed above a yielding hole, so that trepanning can be conveniently performed, debris is not easily accumulated on the testing pin, and a receiving box for receiving the debris is disposed below the yielding hole, so that the receiving box can be conveniently used for collecting the debris.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a single-sided circuit board test trepanning integrated jig comprises an upper jig and a lower jig matched with the upper jig; the upper jig comprises an upper needle plate and a plurality of test needles; the test needle comprises a probe and a copper head fixed at the upper end of the probe, the upper end of the copper head is arranged in a jack positioned in the upper needle plate, and the lower end of the probe penetrates out of the copper head to form a plug; the lower jig comprises a lower needle plate; a plurality of abdicating holes matched with the plugs are formed in the lower needle plate; it is a plurality of the below of hole of stepping down is equipped with one and is used for collecting clastic receiver.
For the additional structure of the above technical scheme, the following scheme is also included:
as a specific embodiment, a fool-proof mechanism for detecting the dislocation of the circuit board is further arranged on the lower needle plate.
Furthermore, the fool-proof mechanism comprises a first positioning pin and a switch; the shell of the first positioning needle is arranged on the lower needle plate, and an inner shaft of the first positioning needle penetrates through the upper end face and the lower end face of the lower needle plate; the switch is fixed below the first positioning needle and is correspondingly matched with the inner shaft of the first positioning needle; a detection hole corresponding to the first positioning pin is arranged on the circuit board; the switch is a contact switch.
Further, the bottom of faller is fixed mounting has an installation frame down, the switch mounting is in on the installation frame.
Furthermore, the fool-proof mechanism comprises an infrared sensor; the lower needle plate and the circuit board are respectively provided with detection holes corresponding to each other; the infrared sensor is fixed below the detection hole of the lower needle plate and is correspondingly matched with the detection hole.
Further, the bottom of faller is fixed mounting down has an installation frame, infrared sensor installs on the installation frame.
As a specific embodiment, the upper jig further comprises a plurality of springs which are fixed in the upper needle plate and are matched with the probes; the upper end of each spring is correspondingly connected with one test conducting wire; one end of the test conductor wire is connected with the spring, and the other end of the test conductor wire is connected with a connecting plug of an external test machine.
As a specific embodiment, a plurality of second positioning pins for positioning the circuit board are arranged on the upper pin plate.
As a specific embodiment, a plurality of third positioning pins for positioning the circuit board are arranged on the lower pin plate.
As a specific embodiment, the storage box is composed of four enclosing plates, the lower ends of the four enclosing plates are respectively connected to a lower fixing plate, the lower fixing plate is connected with the lower needle plate through a connecting rod, and one of the enclosing plates can be arranged in an up-and-down overturning mode.
The utility model has the beneficial effects that:
according to the utility model, the test needle is arranged above the abdicating hole, so that trepanning can be conveniently carried out, cleaned debris is not easy to accumulate on the test needle to a certain extent, and the test accuracy is influenced.
The utility model can be used for detecting whether the circuit board is misplaced or not by arranging the fool-proof mechanism, and when the circuit board is misplaced, the upper jig stops working immediately, so that the equipment or the circuit board can be prevented from being damaged, and the loss is reduced.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is an exploded view of the second embodiment of the present invention;
FIG. 4 is a schematic view of a partial structure of the present invention;
fig. 5 is a schematic structural view of the test pin, spring and test conductive wire of the present invention.
Reference numerals:
1. mounting a jig; 11. an upper needle plate; 12. a test pin; 121. a probe; 1211. a plug; 122. copper heads; 13. a spring; 14. testing the conductive wire; 15. a connecting plug; 16. a second positioning pin; 17. an upper fixing plate; 2. a lower jig; 21. a lower needle plate; 22. a hole of abdication; 23. a storage box; 24. a third positioning pin; 25. a lower fixing plate; 3. a fool-proof mechanism; 31. a first positioning pin; 32. a switch; 33. a mounting frame; 4. a circuit board.
Detailed Description
The utility model will be further elucidated with reference to the drawings and the embodiments, which are exemplary only and do not limit the scope of the utility model.
The first embodiment is as follows:
as shown in fig. 1-5, an integrated jig for testing trepanning of a single-sided circuit board comprises an upper jig 1 and a lower jig 2 matched with the upper jig 1; the upper jig 1 comprises an upper needle plate 11 and a plurality of test needles 12; the test needle 12 comprises a probe 121 and a copper head 122 fixed on the upper end of the probe 121, the upper end of the copper head 122 is installed in the jack of the upper needle plate 11, and the lower end of the probe 121 passes through the copper head 122 to form a plug 1211; the lower jig 2 comprises a lower needle plate 21; a plurality of yielding holes 22 matched with the plugs 1211 are arranged on the lower needle plate 21; a storage box 23 for collecting the debris is provided below the plurality of relief holes 22. According to the utility model, the test needles 12 are arranged above the abdicating holes 22, so that trepanning can be conveniently carried out, cleaned debris is not easy to accumulate on the test needles to a certain extent, and the test accuracy is influenced, meanwhile, the storage box 23 is arranged below the abdicating holes 22, so that the debris cleaned by the circuit board 4 through the trepanning holes can fall into the storage box 23 through the abdicating holes 22, accumulation of the debris is avoided, and then the debris in the storage box 23 can be cleaned after a long period of time.
Wherein, a fool-proof mechanism 3 for detecting the dislocation of the circuit board 4 is also arranged on the lower needle plate 21.
Specifically, the fool-proof mechanism 3 comprises a first positioning pin 31 and a switch 32; the shell of the first positioning needle 31 is arranged on the lower needle plate 21, and the inner shaft of the first positioning needle 31 penetrates through the upper end surface and the lower end surface of the lower needle plate 21; the switch 32 is fixed below the first positioning needle 31 and is correspondingly matched with the inner shaft of the first positioning needle 31; a detection hole (not shown) corresponding to the first positioning pin 31 is arranged on the circuit board 4; in the present embodiment, the switch 32 is a contact switch. When the circuit board 4 is used, the circuit board 4 is moved to the upper part of the fool-proof mechanism 3 through the mechanical arm and then descends, if the inner shaft of the first positioning pin 31 can be smoothly inserted into the detection hole, the circuit board 4 is accurately positioned; if the position of the circuit board 4 is inconsistent with the expected position (namely, the circuit board 4 is askew), the detection hole cannot be accurately aligned with the first positioning pin 31, and then, the circuit board 4 is directly contacted with the top end of the first positioning pin 31 and pushes the inner shaft of the first positioning pin 31 to slide downwards and is contacted with the switch 32 in the moving process of the inner shaft of the first positioning pin 31, so that the cylinder for pushing the upper pin plate 11 to descend stops working, the upper pin plate 11 is prevented from enabling the test pin 12 to be inaccurately inserted into the part hole in the descending process, and a worker can be timely reminded of debugging equipment. Therefore, the device or the wiring board 4 can be prevented from being damaged by providing the fool-proof mechanism 3.
A mounting frame 33 is fixedly arranged at the bottom of the lower needle plate 21, and the switch 32 is arranged on the mounting frame 33. The switch 32 can be conveniently mounted by providing a mounting bracket 33.
The upper jig 1 also comprises a plurality of springs 13 which are fixed in the upper needle plate 11 and are matched with the probes 121; the upper end of each spring 13 is correspondingly connected with one test conducting wire 14; one end of the test conducting wire 14 is connected with the spring 13, and the other end is connected with a connecting plug 15 of an external test machine. Through the arrangement, the test needles 12 can be conveniently electrically connected with a testing machine, and the springs 13 can play a role in buffering the test needles 12, so that the test needles 12 are prevented from crushing the circuit board 4. Since the spring 13 is prior art, it will not be described in detail here.
In order to improve the stability between the circuit board 4 and the test needles 12, a plurality of second positioning needles 16 for positioning the circuit board 4 are arranged on the upper needle plate 11, and specifically, the lower ends of inner shafts of the second positioning needles 16 are lower than the lower ends of the test needles 12; a plurality of third positioning pins 24 for positioning the wiring board 4 are also provided on the lower needle plate 21. Of course, the circuit board 4 is provided with corresponding positioning holes (not shown) corresponding to the positions of the second positioning pins 16 and the third positioning pins 24, so as to conveniently position the circuit board 4, and further align the part holes on the circuit board 4 with the testing pins 12. Through the arrangement, the circuit board 4 can be stably positioned in the test process, and the circuit board 4 is prevented from deviating from the preset position.
This receiver 23 comprises four bounding walls, and the lower extreme of four bounding walls is connected respectively on a bottom plate 25, is connected through the connecting rod between bottom plate 25 and the lower needle board 21, and wherein a bounding wall sets up for can overturning from top to bottom to can let one side of receiver 23 be for can the open mode, formed a box mouth promptly, so that can conveniently clear up the piece in the receiver 23 when needs.
More specifically, the top of the upper needle plate 11 is also connected to an upper fixing plate 17 through a plurality of connecting rods, and the upper fixing plate 17 is used for connecting the air cylinders.
And a plurality of fourth positioning needles matched with the positioning holes on the upper needle plate 11 can be arranged around the lower needle plate 21, so that the upper needle plate 11 and the lower needle plate 21 can be matched more stably and accurately.
The principle of use of this embodiment is described below in order to understand the utility model:
the detection hole on the circuit board 4 is correspondingly sleeved on the first positioning pin 31 through the manipulator, then, when the inner shaft of the first positioning pin 31 is smoothly inserted into the detection hole, the positioning hole on the circuit board 4 is correspondingly sleeved on the second positioning pin 16 and the third positioning pin 24, so that the positioning of the circuit board 4 is completed, and certainly, if the first positioning pin 31 contacts the switch 32 due to the inaccurate position of the circuit board 4, the upper jig stops starting; the cylinder drives the upper jig 1 to move downwards, and the test needles 12 are arranged on the upper needle plate 11, so that the test needles 12 synchronously move downwards in the moving process of the upper needle plate 11; next, the plug 1211 is inserted into the component hole of the circuit board 4 to perform trepanning, the debris in the component hole is cleaned out, and the debris can fall into the containing box 23 through the abdicating hole 22; with the continuous movement of the test pin 12, the detection point contacts with the copper head 122 and contracts the spring 13, the plug 1211 is completely inserted into the abdicating hole 22 through the part hole, the debris clamped in the abdicating hole 22 is pushed to fall down, then the copper head 122 detects the detection point, and the detection data is transmitted to an external test machine through the connecting plug 15. After the detection is finished, the upper jig 1 is reset, the spring 13 and the like are also reset correspondingly, and finally the circuit board 4 after the detection is finished is taken away, so that the detection of one circuit board 4 is finished.
Example two:
the difference between the first embodiment and the second embodiment is that the fool-proof mechanism 3 in the present embodiment includes an infrared sensor; the lower needle plate 21 and the circuit board 4 are respectively provided with detection holes (not shown) corresponding to each other; the infrared sensor is fixed below the detection hole of the lower needle plate 21 and is correspondingly matched with the detection hole, namely the first positioning needle 31 is not arranged in the embodiment. Preferably, a mounting bracket 33 is fixedly mounted on the bottom of the lower needle plate 21, and the infrared sensor is mounted on the mounting bracket 33. Whether the circuit board 4 deviates from the preset position or not can be conveniently detected by arranging the infrared sensor. When the detection device is used, the infrared sensor is opened, and infrared light emitted by the infrared sensor sequentially passes through the detection hole of the lower needle plate 21 and the detection hole of the circuit board 4; if the infrared light can smoothly pass through the lower needle plate 21 and the circuit board 4, the circuit board 4 is accurately positioned; if the position of the circuit board 4 is inconsistent with the expected position (i.e. the circuit board 4 is tilted), the infrared light can directly irradiate on the circuit board 4, and then the receiver receives the light and controls the upper jig 1 to stop working through the control center. Since the working principle of other components in this embodiment is the same as that in the first embodiment, detailed description is omitted here.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides an integrative tool of single face circuit board test trepanning, including go up the tool and with go up tool complex lower tool, its characterized in that:
the upper jig comprises an upper needle plate and a plurality of test needles; the test needle comprises a probe and a copper head fixed at the upper end of the probe, the upper end of the copper head is arranged in a jack positioned in the upper needle plate, and the lower end of the probe penetrates out of the copper head to form a plug; the lower jig comprises a lower needle plate; a plurality of abdicating holes matched with the plugs are formed in the lower needle plate; it is a plurality of the below of hole of stepping down is equipped with one and is used for collecting clastic receiver.
2. The integrated jig for testing trepanning of the single-sided circuit board as claimed in claim 1, wherein:
the lower needle plate is also provided with a fool-proof mechanism for detecting the dislocation of the circuit board.
3. The integrated jig for testing trepanning of the single-sided circuit board as claimed in claim 2, wherein:
the fool-proof mechanism comprises a first positioning needle and a switch; the shell of the first positioning needle is arranged on the lower needle plate, and an inner shaft of the first positioning needle penetrates through the upper end face and the lower end face of the lower needle plate; the switch is fixed below the first positioning needle and is correspondingly matched with the inner shaft of the first positioning needle; a detection hole corresponding to the first positioning pin is arranged on the circuit board; the switch is a contact switch.
4. The integrated jig for testing trepanning of the single-sided circuit board as claimed in claim 3, wherein:
the bottom of faller is fixed mounting has an installation frame down, the switch mounting is in on the installation frame.
5. The integrated jig for testing trepanning of the single-sided circuit board as claimed in claim 2, wherein:
the fool-proof mechanism comprises an infrared sensor; the lower needle plate and the circuit board are respectively provided with detection holes corresponding to each other; the infrared sensor is fixed below the detection hole of the lower needle plate and is correspondingly matched with the detection hole.
6. The integrated jig for testing trepanning of the single-sided circuit board as claimed in claim 5, wherein:
the bottom fixed mounting of faller has an installation frame down, infrared sensor installs on the installation frame.
7. The integrated jig for testing trepanning of the single-sided circuit board as claimed in claim 1, wherein:
the upper jig also comprises a plurality of springs which are fixed in the upper needle plate and are matched with the probes; the upper end of each spring is correspondingly connected with one test conducting wire; one end of the test conductor wire is connected with the spring, and the other end of the test conductor wire is connected with a connecting plug of an external test machine.
8. The integrated jig for testing trepanning of the single-sided circuit board as claimed in claim 1, wherein:
and a plurality of second positioning pins for positioning the circuit board are arranged on the upper pin plate.
9. The integrated jig for testing trepanning of the single-sided circuit board as claimed in claim 1, wherein:
and a plurality of third positioning pins for positioning the circuit board are arranged on the lower pin plate.
10. The integrated jig for testing trepanning of the single-sided circuit board as claimed in claim 1, wherein:
the receiver comprises four bounding walls, four the lower extreme of bounding wall is connected respectively on a bottom plate, the bottom plate with connect through the connecting rod between the faller down, wherein one the bounding wall is for can overturn the setting from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120745108.9U CN216285571U (en) | 2021-04-12 | 2021-04-12 | Integrative tool of single face circuit board test trepanning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120745108.9U CN216285571U (en) | 2021-04-12 | 2021-04-12 | Integrative tool of single face circuit board test trepanning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216285571U true CN216285571U (en) | 2022-04-12 |
Family
ID=81001124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120745108.9U Active CN216285571U (en) | 2021-04-12 | 2021-04-12 | Integrative tool of single face circuit board test trepanning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216285571U (en) |
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2021
- 2021-04-12 CN CN202120745108.9U patent/CN216285571U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230413 Address after: Room 101, 1st Floor, Building 3, Changsheng Road, Ludong Community, Humen Town, Dongguan City, Guangdong Province, 523000 Patentee after: Wei Haicheng Address before: 518107 109, building 1, Jinqiao hardware factory, No. 1 Industrial Zone, Li songxuan community, Gongming street, Guangming District, Shenzhen, Guangdong Province Patentee before: Shenzhen xinweicheng Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |