CN215641393U - Flying probe test machine motion anticollision institution - Google Patents
Flying probe test machine motion anticollision institution Download PDFInfo
- Publication number
- CN215641393U CN215641393U CN202121852452.4U CN202121852452U CN215641393U CN 215641393 U CN215641393 U CN 215641393U CN 202121852452 U CN202121852452 U CN 202121852452U CN 215641393 U CN215641393 U CN 215641393U
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- block
- probe
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- guide groove
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- 239000000523 sample Substances 0.000 title claims abstract description 71
- 238000012360 testing method Methods 0.000 title claims description 14
- 238000009434 installation Methods 0.000 claims abstract description 27
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 1
- 230000003139 buffering effect Effects 0.000 description 3
- 241001422033 Thestylus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses a motion anti-collision mechanism of a flying probe tester, which relates to the technical field of collision prevention of flying probe testers and comprises a flying probe tester main body and a plurality of probe motion arms arranged on the flying probe tester main body, wherein the inner ends of the probe motion arms are clamped with mounting blocks, and the bottom ends of the mounting blocks are obliquely provided with electrical probes; the mounting block is clamped in the mounting plate; a buffer assembly used for positioning and preventing collision of the mounting block is arranged in the guide groove; the electric probe welding device is simple in structure, the installation block can ascend along the guide groove on the installation plate when the electric probe is greatly impacted with the PCB due to the arrangement of the installation block and the installation plate, a certain displacement distance is provided for the electric probe when the electric probe is impacted, the ascending impact force of the installation block is reduced due to the matching of the thrust block and the thrust spring, the impact force of the electric probe on the PCB is reduced, and the anti-collision protection performance of the electric probe during spot welding is improved.
Description
Technical Field
The utility model relates to the technical field of collision avoidance of flying probe testing machines, in particular to a motion collision avoidance mechanism of a flying probe testing machine.
Background
When the flying probe tester works, a plurality of test probes simultaneously carry out independent X-Y-Z three-dimensional space high-speed motion under the drive of respective flying probe motion parts; after the flying probe moving part moves for a long time, the hinged end of the probe moving arm is easy to loosen, when the probe moving arm drives the electric probe to perform spot welding on the PCB,
because most of the existing electric probes are fixed on the inner end of the probe moving arm through bolts and do not have a rising displacement space, when the descending amplitude of the suspended end of the probe moving arm is larger, the electric probes and a PCB (printed circuit board) are greatly impacted; causing impact damage to the PCB and the electrical probes; therefore, there is a need for an improved approach to the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defect of poor practicability in the prior art, and provides a motion anti-collision mechanism of a flying probe testing machine.
In order to achieve the purpose, the utility model adopts the following technical scheme: a motion anti-collision mechanism of a flying probe tester comprises a flying probe tester main body and a plurality of probe motion arms arranged on the flying probe tester main body, wherein mounting blocks are clamped at the inner ends of the probe motion arms, and electric probes are obliquely arranged at the bottom ends of the mounting blocks; the hanging end of the measuring needle moving arm is vertically provided with an installation opening, an installation plate is arranged in the installation opening, and the installation block is clamped in the installation plate;
a threaded hole is transversely formed in the inner wall of the inner end of the probe moving arm, and a positioning bolt is connected with the threaded hole in a threaded manner; the outer side surface of the mounting plate is provided with a thread groove in a matching manner with the positioning bolt; l-shaped guide grooves are formed in the upper portion and the lower portion of the inner portion of the front end and the lower portion of the mounting plate; and a buffer assembly used for positioning and preventing collision of the mounting block is arranged in the guide groove.
Preferably, the buffering component comprises a sliding block fixedly connected to the upper portion and the lower portion of the front end face of the mounting block, a thrust block arranged on the lower portion of the vertical notch of the guide groove, a thrust spring fixedly connected to the top of the thrust block, and a blocking strip transversely inserted into the transverse notch of the guide groove, wherein the sliding block is movably clamped in the guide groove.
Preferably, the two side surfaces and the upper and lower surfaces of the sliding block are respectively in rolling clamping connection with a ball, and an exposed ball body of the ball is movably abutted in the guide groove.
Preferably, the top end of the thrust spring is provided with a mounting seat fixedly connected with the top of the vertical notch of the guide groove.
Preferably, one side of the bottom surface of the thrust block protrudes downwards to form an inclined plane, a rectangular force unloading cavity is formed in the upper portion of the thrust block, a pair of outwards bent inner supporting rubber plates are arranged on two sides of the inner portion of the force unloading cavity, and a buffer cavity is formed in the inclined end of the bottom of the thrust block.
Preferably, the top and the bottom front and back end of mounting panel lateral surface all are equipped with the guide block, vertically set up banding sliding tray around the inner wall of installing port one side, the guide block slip joint is in the sliding tray.
Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, through the arrangement of the mounting block and the mounting plate, when the electrical probe is greatly impacted with the PCB, the mounting block can ascend along the guide groove on the mounting plate, so that the electrical probe has a certain displacement distance during impact, through the matching of the thrust block and the thrust spring, the ascending impact force of the mounting block is reduced, the impact force of the electrical probe on the PCB is reduced, and the anti-collision protection performance of the electrical probe during spot welding is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
FIG. 1 is a schematic view of a front view structure according to the present invention;
FIG. 2 is a schematic view of a partial structure of a probe moving arm and a mounting block according to the present invention;
FIG. 3 is a sectional view of the probe motion arm and mounting block according to the present invention;
FIG. 4 is a partial structural sectional view of the stylus moving arm and the mounting plate according to the present invention;
FIG. 5 is a partial structural sectional view of a mounting plate according to the present invention;
FIG. 6 is a cross-sectional view of the inner bracing rubber plate structure according to the present invention;
fig. 7 is a cross-sectional view of a slider structure according to the present invention.
Number in the figure: 1. a flying probe tester body; 2. a stylus movement arm; 3. mounting blocks; 4. an electrical probe; 5. mounting a plate; 6. positioning the bolt; 7. a guide block; 8. a slider; 9. a ball bearing; 10. blocking strips; 11. a thrust block; 12. a mounting seat; 13. a thrust spring; 14. and (5) internally supporting the rubber plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example (b): referring to fig. 1-7, the motion collision avoidance mechanism of the flying probe tester comprises a flying probe tester body 1 and a plurality of probe motion arms 2 arranged on the flying probe tester body 1, wherein the inner ends of the probe motion arms 2 are provided with mounting blocks 3 in a clamping manner, and the bottom ends of the mounting blocks 3 are obliquely provided with electrical probes 4; the hanging end of the measuring needle moving arm 2 is vertically provided with an installation opening, an installation plate 5 is arranged in the installation opening, and the installation block 3 is clamped in the installation plate 5; through the setting of installation piece 3 and mounting panel 5, be convenient for when great striking takes place for electrical probe 4 and PCB board, installation piece 3 can rise along the guide way on the mounting panel 5, be convenient for have certain displacement distance when the striking to electrical probe 4, through thrust piece 11 and thrust spring 13's cooperation, be convenient for cut down the ascending impact force of installation piece 3, be convenient for reduce the impact force of electrical probe 4 to the PCB board, improve the crashproof protective properties when the spot welding to electrical probe 4.
In the utility model, a threaded hole is transversely formed in the inner wall of the inner end of a measuring probe moving arm 2, and a positioning bolt 6 is connected with the threaded hole in a threaded manner; the outer side surface of the mounting plate 5 is provided with a thread groove in a matching way with the positioning bolt 6; l-shaped guide grooves are formed in the upper portion and the lower portion of the inner portion of the front end and the lower portion of the rear end of the mounting plate 5; a buffer component used for positioning and preventing collision of the mounting block 3 is arranged in the guide groove; the impact force is conveniently reduced through the buffering component.
In the utility model, the buffer assembly comprises a sliding block 8 fixedly connected to the upper part and the lower part of one side of the front end surface of the mounting block 3, a thrust block 11 arranged at the lower part of the vertical notch of the guide groove, a thrust spring 13 fixedly connected to the top of the thrust block 11 and a blocking strip 10 transversely inserted into the transverse notch of the guide groove, wherein the sliding block 8 is movably clamped in the guide groove, so that the sliding block 8 can be conveniently lifted.
In the utility model, the two side surfaces and the upper and lower surfaces of the slide block 8 are all in rolling clamping connection with the balls 9, and the exposed ball bodies of the balls 9 are movably abutted in the guide grooves; the top end of the thrust spring 13 is provided with a mounting seat 12 fixedly connected with the top of the vertical notch of the guide groove; the ball 9 is convenient for improving the fluency and stability of the sliding block 8 during moving.
In the utility model, one side of the bottom surface of the thrust block 11 protrudes downwards to form an inclined plane, a rectangular force unloading cavity is formed in the upper part of the thrust block 11, a pair of outwards bent inner supporting rubber plates 14 are respectively arranged on two sides of the inner part of the force unloading cavity, and a buffer cavity is formed in the inclined end of the bottom of the thrust block 11; through the arrangement of the force unloading cavity and the buffer cavity, the buffering force unloading effect of the thrust block 11 is improved conveniently.
In the utility model, the front end and the rear end of the top and the bottom of the outer side surface of the mounting plate 5 are both provided with guide blocks 7, the front and the rear of the inner wall of one side of the mounting opening are vertically provided with strip-shaped sliding grooves, and the guide blocks 7 are slidably clamped in the sliding grooves; the stability of the mounting plate 5 at the time of mounting is improved.
The working principle is as follows: when the electric probe mounting device is used, firstly, the electric probe 4 is mounted at the bottom end of the mounting block 3, then the mounting block 3 is transversely pushed into the mounting plate 5, the sliding blocks 8 on the front end surface and the rear end surface of the mounting block 3 are clamped into the guide groove of the mounting plate 5 in a sliding manner, and the transverse notch of the guide groove is blocked by the bolt blocking strip 10; so that the mounting block 3 clamped in the mounting plate 5 can only do buffer motion in the vertical notch of the guide groove; then vertically inserting the mounting plate 5 fixed with the mounting block 3 into the mounting port, and limiting and fixing the mounting plate 5 through a positioning bolt 6;
through a buffer cavity and a force unloading cavity in the thrust block 11, the impact force generated when the probe moving arm 2 drives the electric probe 4 at the bottom end of the mounting block 3 to perform spot welding is reduced conveniently; the sliding block 8 which is clamped in the guide groove in a sliding mode is arranged on the mounting block 3, so that when the electrical probe 4 is greatly impacted with a PCB, the mounting block 3 can ascend along the vertical notch of the guide groove, when the sliding block 8 ascends, the thrust block 11 can be pushed to compress the thrust spring 13, the electrical probe 4 can be displaced by a certain distance during impact, and the impact force of the electrical probe 4 on the PCB can be reduced; the anti-collision protection performance of the electric probe 4 during spot welding is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a fly needle test machine motion anticollision institution, includes and flies needle test machine main part (1) and sets up a plurality of survey needle motion arms (2) on flying needle test machine main part (1), its characterized in that: the inner end of the probe moving arm (2) is clamped with an installation block (3), and the bottom end of the installation block (3) is obliquely provided with an electrical probe (4); the hanging end of the measuring needle moving arm (2) is vertically provided with an installation opening, an installation plate (5) is arranged in the installation opening, and the installation block (3) is clamped in the installation plate (5);
a threaded hole is transversely formed in the inner end inner wall of the measuring needle moving arm (2), and a positioning bolt (6) is connected with the threaded hole in an internal thread manner; the outer side surface of the mounting plate (5) is matched with the positioning bolt (6) to be provided with a thread groove; l-shaped guide grooves are formed in the upper portion and the lower portion of the inner portion of the front end and the lower portion of the mounting plate (5); and a buffer assembly used for positioning and preventing collision of the mounting block (3) is arranged in the guide groove.
2. The motion collision avoidance mechanism of the flying probe testing machine as claimed in claim 1, wherein: the buffer assembly comprises a sliding block (8) fixedly connected to the upper portion of one side of the front end face of the installation block (3) and the lower portion of the front end face of the installation block, a thrust block (11) arranged on the lower portion of the vertical notch of the guide groove, a thrust spring (13) fixedly connected to the top of the thrust block (11) and a blocking strip (10) transversely inserted into the transverse notch of the guide groove, wherein the sliding block (8) is movably connected in the guide groove in a clamping mode.
3. The motion collision avoidance mechanism of the flying probe testing machine as claimed in claim 2, wherein: the two side surfaces and the upper and lower surfaces of the sliding block (8) are respectively in rolling clamping connection with a ball (9), and an exposed ball body of the ball (9) is movably abutted in the guide groove.
4. The motion collision avoidance mechanism of the flying probe testing machine as claimed in claim 2, wherein: and the top end of the thrust spring (13) is provided with a mounting seat (12) fixedly connected with the top of the vertical notch of the guide groove.
5. The motion collision avoidance mechanism of the flying probe testing machine as claimed in claim 2, wherein: the thrust piece (11) bottom surface one side is protruding downwards and is the inclined plane form, set up the power chamber of unloading of rectangle in thrust piece (11) upper portion, the both sides of unloading the power intracavity portion all are equipped with a pair of inside rubber sheet (14) that prop of outwards buckling, set up the cushion chamber in the slope end of thrust piece (11) bottom.
6. The motion collision avoidance mechanism of the flying probe testing machine as claimed in claim 1, wherein: the top and the bottom front and back end of mounting panel (5) lateral surface all are equipped with guide block (7), vertically set up banding sliding tray around installing port one side inner wall, guide block (7) slip joint is in the sliding tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852452.4U CN215641393U (en) | 2021-08-10 | 2021-08-10 | Flying probe test machine motion anticollision institution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121852452.4U CN215641393U (en) | 2021-08-10 | 2021-08-10 | Flying probe test machine motion anticollision institution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215641393U true CN215641393U (en) | 2022-01-25 |
Family
ID=79896229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121852452.4U Expired - Fee Related CN215641393U (en) | 2021-08-10 | 2021-08-10 | Flying probe test machine motion anticollision institution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215641393U (en) |
-
2021
- 2021-08-10 CN CN202121852452.4U patent/CN215641393U/en not_active Expired - Fee Related
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| 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: 20220125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |