CN212364513U - High-speed high-precision probe electrical measurement mechanism - Google Patents
High-speed high-precision probe electrical measurement mechanism Download PDFInfo
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- CN212364513U CN212364513U CN202021745949.1U CN202021745949U CN212364513U CN 212364513 U CN212364513 U CN 212364513U CN 202021745949 U CN202021745949 U CN 202021745949U CN 212364513 U CN212364513 U CN 212364513U
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Abstract
The utility model discloses a high-speed high-precision probe electrical measuring mechanism, which comprises a feeding mechanism, a material receiving mechanism arranged below the feeding mechanism, clamping and tensioning mechanisms arranged at the side of the material receiving mechanism, and a testing mechanism arranged beside the two clamping and tensioning mechanisms; after the FPC received by the receiving mechanism is clamped and tensioned by the clamping and tensioning mechanism, the feeding mechanism conveys the clamped and tensioned FPC to a position to be tested to the testing mechanism for testing. The utility model has wide compatibility range, the dimension L of the FPC product is 120-500 mm, and the W is 80-270 mm, and the test can be compatible; a jig is not required to be customized, so that the production and detection cost is reduced; the device is matched with a manual/automatic machine for use, can be matched with mass production, eliminates false testing of the machine and improves the yield.
Description
Technical Field
The utility model relates to a FPC soft board circuit test technical field, in particular to mechanism is surveyed to high-speed high accuracy probe electricity.
Background
FPC: english full-spelling Flexible Printed Circuit, wherein the meaning of the text is Flexible Printed Circuit board, called as soft board for short; the FPC has the characteristics of short assembly working hours, high wiring density, small volume, light weight, thin thickness, good bending performance and the like; because the density is high, the bonding pad is small, and the expansion and contraction performance is certain, false testing (namely detecting a good product as a bad product) can be caused at a certain probability when the electric testing is carried out.
Common electrical measurement modes for the FPC are as follows: and customizing a jig, manually/automatically testing on the machine by using the jig, and marking the defective product. The jig is used for measurement, the technical requirement on workers is not high, a large number of points (hundreds of thousands of points) can be counted, electrical measurement can be carried out simultaneously, and the test efficiency is high, so that the jig is suitable for large-batch test. For various and small production modes, a jig needs to be customized, so that the production cost is increased; due to the expansion and shrinkage characteristics of the FPC, the jig cannot move to a testing position after being fixed, and the position precision needs to be ensured by a mechanism/manpower, so that the probe of the jig cannot accurately contact with the bonding pad, and false testing is caused.
SUMMERY OF THE UTILITY MODEL
To the problem that prior art exists, the utility model provides a mechanism is surveyed to high-speed high accuracy probe electricity.
In order to achieve the above purpose, the utility model discloses technical scheme as follows:
a high-speed high-precision probe electrical measuring mechanism comprises a feeding mechanism, a material receiving mechanism arranged below the feeding mechanism, clamping and tensioning mechanisms arranged on two sides of the material receiving mechanism and connected with the feeding mechanism in a sliding manner, and a testing mechanism arranged beside the clamping and tensioning mechanisms; after the FPC received by the receiving mechanism is clamped and tensioned by the clamping and tensioning mechanism, the feeding mechanism conveys the clamped and tensioned FPC to a position to be tested to the testing mechanism for testing.
Preferably, the testing mechanism includes a plurality of two X-axis sliding mechanisms disposed opposite to each other, a plurality of two Y-axis sliding mechanisms disposed opposite to each other and slidably connected to the two X-axis sliding mechanisms, and a probe assembly disposed on and slidably connected to each Y-axis sliding mechanism.
Preferably, each of the X-axis sliding mechanisms includes a gantry base, a first driving mechanism and a first slide rail disposed on the gantry base, a first lead screw connected to an output end of the first driving mechanism, and a first slide block connected to the first slide rail in a sliding manner.
Preferably, each Y-axis sliding mechanism includes a sliding plate, a second driving mechanism disposed on the sliding plate, a second lead screw connected to an output end of the second driving mechanism, and a first guide rail disposed on the sliding plate and beside the second driving mechanism; and each end of the sliding plate is sequentially connected with the first screw rod and the first sliding block.
Preferably, each probe assembly comprises a connecting plate, a third driving mechanism arranged on the connecting plate, a synchronous belt connected with the output end of the third driving mechanism, a second guide rail arranged beside the synchronous belt, a probe connecting piece arranged on the synchronous belt and connected with the second guide rail in a sliding manner, a probe arranged on the probe connecting piece, and a photographing mechanism arranged beside the probe and arranged on the connecting plate; the photographing mechanism comprises a camera, a lens and an LED light source; one end of the lens is connected with the camera, and the other end of the lens penetrates through the LED light source.
Preferably, the high-speed high-precision probe electrical measuring mechanism further comprises a working platform, and the feeding mechanism and the material receiving mechanism are arranged on the working platform; the work platform includes a high accuracy marble platform, sets up two support frames in marble platform both sides.
Preferably, the feeding mechanism comprises a third guide rail arranged on the two support frames, a fourth driving mechanism arranged on one support frame and beside the corresponding third guide rail, and a synchronous toothed belt connected with the output end of the fourth driving mechanism; the material receiving mechanism comprises a supporting piece, a lifting mechanism arranged on the supporting piece and a material receiving plate connected with the output end of the lifting mechanism.
Preferably, the clamping and tensioning mechanisms respectively comprise two clamping mechanisms which are oppositely arranged, locking mechanisms which are arranged at two sides of the clamping mechanisms, and two tensioning mechanisms which penetrate through two ends of the two clamping mechanisms and are matched with the locking mechanisms; the high-speed high-precision probe electrical measuring mechanism further comprises a plurality of locking mechanisms matched with the tensioning mechanism, and the locking mechanisms are arranged on two sides of the clamping mechanism.
Preferably, each clamping mechanism comprises a supporting plate, a plurality of sixth driving mechanisms arranged on the supporting plate, a plurality of upper clamps, a lower clamp matched with the plurality of upper clamps, and a first free rotation rotating shaft sequentially penetrating through the heads of the plurality of upper clamps; and the output end of the sixth driving mechanism is connected with the upper clamp through a first free rotation rotating shaft.
Preferably, each locking mechanism comprises a seventh driving mechanism, a locking block connected with the output end of the seventh driving mechanism, and a fourth guide rail arranged below the locking block and connected with the locking block in a sliding manner; each tensioning mechanism comprises an eighth driving mechanism and a rack connected with the output end of the eighth driving mechanism; the rack penetrates through the support plate and is arranged beside the lock block matched with the support plate.
Adopt the technical scheme of the utility model, following beneficial effect has: the utility model discloses can test different FPC and need not to customize the tool, reduce the production and detect the cost, after fixture presss from both sides tight FPC, 4 probes contact pad and the access hole that need the test respectively to test single component at the survey unit, through the probe connection to test system, detect short circuit, open circuit and component value as required; two probes are respectively distributed at the upper part and the lower part of the four probes, so that a single-sided board can be tested, and a double-sided board can also be tested; the technology can refine the pitch, is not limited by FPC grids, and has flexible test, extremely high speed and wide compatible range; the device is matched with a manual/automatic electric side motor, can be matched with mass production, eliminates false testing of the machine, improves the yield, can improve the electrical testing yield and reduces waste.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a testing mechanism of the present invention;
FIG. 3 is a schematic view of a second testing mechanism of the present invention;
FIG. 4 is a schematic view of the probe assembly of the present invention;
FIG. 5 is a schematic view of the feeding mechanism of the present invention;
FIG. 6 is a schematic structural view of the material receiving mechanism and the clamping and tensioning mechanism of the present invention;
fig. 7 is a schematic structural diagram of the locking mechanism of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 7, the utility model provides a high-speed and high-precision probe electrical measuring mechanism, which is characterized in that the mechanism comprises a feeding mechanism 2, a receiving mechanism 1 arranged below the feeding mechanism 2, clamping and tensioning mechanisms 3 arranged at two sides of the receiving mechanism 1 and connected with the feeding mechanism 2 in a sliding way, and a testing mechanism arranged beside the clamping and tensioning mechanisms 3; after the FPC received by the receiving mechanism 1 is clamped and tensioned by the clamping and tensioning mechanism 3, the feeding mechanism 2 conveys the clamped and tensioned FPC to a position to be tested to a testing mechanism for testing.
The testing mechanism comprises a plurality of X-axis sliding mechanisms 5 which are arranged oppositely, a plurality of Y-axis sliding mechanisms 6 which are arranged oppositely and are connected with the X-axis sliding mechanisms 5 which are arranged oppositely in a sliding way, and a probe assembly 7 which is arranged on each Y-axis sliding mechanism 6 and is connected with the Y-axis sliding mechanism in a sliding way; the Y-axis sliding mechanism 6 can slide along the X-axis sliding mechanism 5; the probe assembly 7 is slidable along the Y-axis slide mechanism 6.
Each X-axis sliding mechanism 5 includes a gantry base 501, a first driving mechanism 502 and a first sliding rail 504 which are arranged on the gantry base 501, a first lead screw 503 connected with an output end of the first driving mechanism 502, and a first sliding block 505 connected with the first sliding rail 504 in a sliding manner.
Each Y-axis sliding mechanism 6 comprises a sliding plate 601, a second driving mechanism 603 arranged on the sliding plate 601, a second lead screw 604 connected with the output end of the second driving mechanism 603, and a first guide rail 602 arranged on the sliding plate 601 and beside the second driving mechanism 603; each end of the sliding plate 601 is connected with the first lead screw 503 and the first slide block 505 in sequence.
The probe measuring component is arranged on the first guide rail 602 and connected with the second lead screw 604 at the output end of the second driving mechanism 603.
Each probe assembly 7 comprises a connecting plate 708, a third driving mechanism 701 arranged on the connecting plate 708, a synchronous belt 702 connected with the output end of the third driving mechanism 701, a second guide rail 703 arranged beside the synchronous belt 702, a probe connecting piece arranged on the synchronous belt 702 and connected with the second guide rail 703 in a sliding manner, a probe 707 arranged on the probe connecting piece, and a photographing mechanism arranged beside the probe 707 and arranged on the connecting plate 708; the photographing mechanism comprises a camera 704, a lens 705 and an LED light source 706; the lens 704 is connected to the camera 704 at one end and passes through an LED light source 706 at the other end.
When the third driving mechanism 701 drives the timing belt 702, the timing belt 702 carries the probe 707 to extend for detection, and to retract for return to the safety position for avoidance.
The probe assemblies comprise two upper probe assemblies and two lower probe assemblies arranged below the two upper probe assemblies; the two upper probe assemblies comprise an upper left probe assembly and an upper right probe assembly; the two lower probe assemblies comprise a left lower probe assembly and a right lower probe assembly.
The camera 704 can identify mark holes on the FPC, the probe 707 converts a unified coordinate system through the camera 704, high-speed and high-precision positioning is carried out on XYZ axes according to the position of an FPC data bonding pad, and the point position of the FPC is tested; the upper and lower probes 707 can be converted into absolute positions according to the arrangement shape of the FPC product, the characteristics of a single-panel double-panel and the position relation, and any two probes are intelligently combined in a high-efficiency and high-precision mode to electrically test the FPC.
The high-speed high-precision probe electrical measuring mechanism also comprises a working platform, and the feeding mechanism 2 and the material receiving mechanism 1 are arranged on the working platform; the working platform comprises a high-precision marble platform 201 and two supporting frames 203 arranged on two sides of the marble platform 201; the feeding mechanism 2 comprises a third guide rail 204 arranged on the two support frames 203, a fourth driving mechanism 202 arranged on one support frame 203 and arranged beside the corresponding third guide rail 204, and a synchronous toothed belt 205 connected with the output end of the fourth driving mechanism 202.
The feeding mechanism 2 can convey the clamped and tensioned FPC into a position to be measured through the fourth driving mechanism 202, so that the probe can conveniently perform visual positioning and electrical measurement.
The receiving mechanism 1 is arranged on the marble platform 201 and below the third guide rails 204 on two sides of the marble platform 201.
The material receiving mechanism 1 comprises a support member 101, a lifting mechanism 102 arranged on the support member 101, and a material receiving plate 103 connected with the output end of the lifting mechanism 102; when the output end of the lifting mechanism extends out, the material receiving plate 103 can receive the FPC, so that the FPC can be conveniently clamped by the clamping mechanism 30.
The clamping and tensioning mechanisms respectively comprise two clamping mechanisms 30 which are oppositely arranged and two tensioning mechanisms which penetrate through two ends of the two clamping mechanisms 30; the high-speed high-precision probe electrical measuring mechanism further comprises a plurality of locking mechanisms 4 matched with the tensioning mechanism, and the locking mechanisms 4 are arranged on two sides of the clamping mechanism 30.
Each clamping mechanism 30 comprises a supporting plate 303, a plurality of sixth driving mechanisms 304 arranged on the supporting plate 303, a plurality of upper clamps 305, a lower clamp 306 matched with the plurality of upper clamps 305, a first free rotation rotating shaft 307 sequentially penetrating the heads of the plurality of upper clamps 305, and a second free rotation shaft (hidden in the plurality of upper clamps and not shown in the figure) penetrating through clamping parts of the plurality of upper clamps; the output end of the sixth driving mechanism 304 is connected with the upper clamp 305 through a first free rotation rotating shaft 307; when the output end of the sixth driving mechanism 304 retracts, the upper clamp 305 and the lower clamp 606 are opened, and when the output end of the sixth driving mechanism 304 extends, the upper clamp 305 and the lower clamp 606 are clamped; the contact surfaces of the upper clamp and the lower clamp and the FPC are encapsulated with rubber, so that insulation between the upper clamp and the lower clamp and the FPC is ensured.
Each tensioning mechanism comprises a seventh driving mechanism 301 and a rack 302 connected with the output end of the seventh driving mechanism 301; the rack 302 penetrates through the support plate 303 and is arranged beside the locking mechanism matched with the support plate; when the output end of the seventh driving mechanism 301 extends out, the seventh driving mechanism 301 is matched with the material receiving mechanism 1 to receive the FPC, and when the FPC is clamped tightly, the output end of the seventh driving mechanism 301 retracts to tension the FPC.
The high-speed high-precision probe electrical measurement mechanism also comprises a plurality of locking mechanisms 4; each locking mechanism 4 comprises an eighth driving mechanism 401, a locking block 403 connected with the output end of the eighth driving mechanism 401, and a fourth guide rail 402 arranged below the locking block 403 and slidably connected with the same; the locking block 403 is also provided with a tooth opening matched with the rack 302; when the eighth driving mechanism 401 extends, the locking block 403 is engaged with the rack 302, so as to ensure the freedom of the clamping and tensioning mechanism in the left and right directions to be fixed.
The first driving mechanism 502, the second driving mechanism 603 and the fourth driving mechanism 202 are all servo motors; the third driving mechanism 701 is selected from a step motor; the lifting mechanism 102 is selected from a lifting cylinder; the sixth driving mechanism 304, the seventh driving mechanism 301 and the eighth driving mechanism 401 are all cylinders.
The dimension L of the FPC product is 120-500 mm, and the dimension W of the FPC product is 80-270 mm.
The utility model discloses the theory of operation:
when the FPC clamping device works, firstly, the material receiving plate 103 is controlled by extending the output end of the lifting mechanism 102 of the material receiving mechanism 1 to receive the FPC, meanwhile, the output end of the seventh driving mechanism 301 of the tensioning mechanism extends out, the output end of the sixth driving mechanism 304 of the clamping mechanism extends out to clamp the FPC, after the FPC is clamped, the output end of the seventh driving mechanism 301 retracts, meanwhile, the eighth driving mechanism 401 of the locking mechanism 4 extends out to enable the locking block 403 to be meshed with the rack 302, and the FPC is tensioned; then, the clamped and tensioned FPC is conveyed into a position to be measured through a fourth driving mechanism 202 of the feeding mechanism 2; finally, mark holes on the FPC are identified through a camera 704 of the testing mechanism 7, a unified coordinate system is converted by the probe 707 through the camera 704, high-speed and high-precision positioning is carried out on XYZ axes according to the positions of FPC data bonding pads, and the positions of FPC points are tested.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all be in the utility model discloses a under the design, utilize the equivalent structure transform that the content of the description and the attached drawing was done, or direct/indirect application all is included in other relevant technical field the utility model discloses a within range is protected.
Claims (10)
1. A high-speed high-precision probe electrical measuring mechanism is characterized by comprising a feeding mechanism, a material receiving mechanism, clamping and tensioning mechanisms and a testing mechanism, wherein the material receiving mechanism is arranged below the feeding mechanism, the clamping and tensioning mechanisms are arranged on two sides of the material receiving mechanism and are in sliding connection with the feeding mechanism, and the testing mechanism is arranged beside the clamping and tensioning mechanisms; after the FPC received by the receiving mechanism is clamped and tensioned by the clamping and tensioning mechanism, the feeding mechanism conveys the clamped and tensioned FPC to a position to be tested to the testing mechanism for testing.
2. The high speed high accuracy probe electrical measurement mechanism of claim 1 wherein said test mechanism comprises a plurality of two oppositely disposed X-axis slide mechanisms, a plurality of two oppositely disposed Y-axis slide mechanisms slidably coupled to the plurality of two oppositely disposed X-axis slide mechanisms, and a probe assembly slidably coupled to and disposed on each Y-axis slide mechanism.
3. The high-speed high-precision probe electrical measuring mechanism according to claim 2, wherein each X-axis sliding mechanism comprises a gantry base, a first driving mechanism and a first sliding rail which are arranged on the gantry base, a first screw rod connected with the output end of the first driving mechanism, and a first sliding block connected with the first sliding rail in a sliding manner.
4. The high-speed high-precision probe electrical measuring mechanism according to claim 2, wherein each Y-axis sliding mechanism comprises a sliding plate, a second driving mechanism arranged on the sliding plate, a second lead screw connected with the output end of the second driving mechanism, and a first guide rail arranged on the sliding plate and beside the second driving mechanism; and each end of the sliding plate is sequentially connected with the first screw rod and the first sliding block.
5. The high-speed high-precision probe electrical measuring mechanism according to claim 2, wherein each probe assembly comprises a connecting plate, a third driving mechanism arranged on the connecting plate, a synchronous belt connected with the output end of the third driving mechanism, a second guide rail arranged beside the synchronous belt, a probe connecting piece arranged on the synchronous belt and slidably connected with the second guide rail, a probe arranged on the probe connecting piece, and a photographing mechanism arranged beside the probe and arranged on the connecting plate; the photographing mechanism comprises a camera, a lens and an LED light source; one end of the lens is connected with the camera, and the other end of the lens penetrates through the LED light source.
6. The high-speed high-precision probe electrical measuring mechanism according to claim 1, wherein the high-speed high-precision probe electrical measuring mechanism further comprises a working platform, and the feeding mechanism and the receiving mechanism are arranged on the working platform; the work platform includes a high accuracy marble platform, sets up two support frames in marble platform both sides.
7. The high-speed high-precision probe electrical measuring mechanism according to claim 6, wherein the feeding mechanism comprises a third guide rail arranged on two support frames, a fourth driving mechanism arranged on one support frame and beside the corresponding third guide rail, and a synchronous toothed belt connected with the output end of the fourth driving mechanism; the material receiving mechanism comprises a supporting piece, a lifting mechanism arranged on the supporting piece and a material receiving plate connected with the output end of the lifting mechanism.
8. The high-speed high-precision probe electrical measuring mechanism according to claim 1, wherein each clamping and tensioning mechanism comprises two oppositely arranged clamping mechanisms, a locking mechanism arranged on two sides of each clamping mechanism, and two tightening mechanisms which penetrate through two ends of each clamping mechanism and are matched with the locking mechanisms; the high-speed high-precision probe electrical measuring mechanism further comprises a plurality of locking mechanisms matched with the tensioning mechanism, and the locking mechanisms are arranged on two sides of the clamping mechanism.
9. The high-speed high-precision probe electrical measuring mechanism according to claim 8, wherein each of said clamping mechanisms comprises a supporting plate, a plurality of sixth driving mechanisms disposed on the supporting plate, a plurality of upper clamps, a lower clamp engaged with the plurality of upper clamps, and a first freely rotating shaft sequentially passing through the heads of the plurality of upper clamps; and the output end of the sixth driving mechanism is connected with the upper clamp through a first free rotation rotating shaft.
10. The high-speed high-precision probe electrical measuring mechanism according to claim 9, wherein each locking mechanism comprises a seventh driving mechanism, a locking block connected with an output end of the seventh driving mechanism, and a fourth guide rail arranged below the locking block and slidably connected with the locking block; each tensioning mechanism comprises an eighth driving mechanism and a rack connected with the output end of the eighth driving mechanism; the rack penetrates through the support plate and is arranged beside the lock block matched with the support plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021745949.1U CN212364513U (en) | 2020-08-18 | 2020-08-18 | High-speed high-precision probe electrical measurement mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021745949.1U CN212364513U (en) | 2020-08-18 | 2020-08-18 | High-speed high-precision probe electrical measurement mechanism |
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| CN212364513U true CN212364513U (en) | 2021-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483830A (en) * | 2021-08-24 | 2021-10-08 | 深圳市坤展塑胶五金有限公司 | CCD size detection and electrical measurement device for automobile product |
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2020
- 2020-08-18 CN CN202021745949.1U patent/CN212364513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113483830A (en) * | 2021-08-24 | 2021-10-08 | 深圳市坤展塑胶五金有限公司 | CCD size detection and electrical measurement device for automobile product |
| CN113483830B (en) * | 2021-08-24 | 2024-04-26 | 深圳市坤展塑胶五金有限公司 | CCD size detection and electric measurement device for automobile product |
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