CN211603281U - Automatic clamping fixture of flying probe testing machine - Google Patents
Automatic clamping fixture of flying probe testing machine Download PDFInfo
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- CN211603281U CN211603281U CN202020039284.6U CN202020039284U CN211603281U CN 211603281 U CN211603281 U CN 211603281U CN 202020039284 U CN202020039284 U CN 202020039284U CN 211603281 U CN211603281 U CN 211603281U
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- clamping
- clamp
- pcb
- flying probe
- anchor clamps
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Abstract
The utility model discloses an automatic clamping anchor clamps of flying probe test machine for clamping during PCB test, including last anchor clamps and lower anchor clamps, go up anchor clamps and can be close to or keep away from anchor clamps down anchor clamps go up anchor clamps and all are equipped with fixation clamp and activity clamp down, mount fixed connection in frame, activity clamp can be close to or keep away from the fixation clamp in order to realize pressing from both sides tightly, still includes the grip slipper, the lateral wall of grip slipper has centre gripping PCB's recess. The automatic clamping fixture of the utility model has two clamping modes, firstly, the PCB is clamped by the movable clamp and the fixed clamp, and the clamping and loosening actions are all automatic operations; secondly, through the centre gripping seat centre gripping PCB, the PCB is placed in the recess of centre gripping seat, and the clearance of rethread anchor clamps and lower anchor clamps is in order to realize the clamping effect, and the clamping of PCB is more convenient this moment, and the operation of changing the centre gripping seat to the PCB of different specifications also is automatic clamping and unclamps, improves the clamping convenience of PCB.
Description
Technical Field
The utility model belongs to the technical field of the PCB test, especially, relate to an automatic clamping anchor clamps of flying probe test machine.
Background
The flying probe tester is used for testing circuit boards and is divided into two categories, one category is used for testing PCBs, the other category is used for testing PCBAs, the flying probe tester for testing PCBs is an instrument for testing PCBs (printed circuit boards) with high element arrangement density, multiple layers, large wiring density and small measuring point distance, the insulation and conduction values of the circuit boards are mainly tested, the tester generally adopts a 'true value comparison positioning method', the testing process and fault points can be monitored in real time, the testing accuracy is ensured, and the flying probe tester for testing PCBAs mainly performs electrical tests on values, electrical characteristics and the like of electronic components;
when a vertical flying probe tester clamps a PCB, the upper end of the PCB is generally fixed by an upper clamp, the lower end of the PCB is fixed by a lower clamp, the upper clamp and the lower clamp slide up and down to adapt to PCBs of different sizes, the height position of the upper clamp is moved manually during clamping, then clamping plates of the upper clamp and the lower clamp are loosened manually, and the clamping plates are locked manually after being placed in the PCBs, so that the clamping action is completed; however, manual operation should be reduced as much as possible in the process of testing the PCB to ensure the accuracy of the clamping test, the manual clamping operation is likely to cause unreliable test results, and the manual installation and clamping operation causes large labor intensity of workers and low working efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing an automatic clamping fixture of a flying probe testing machine, which is used for clamping a PCB and comprises two clamping modes, wherein firstly, the PCB is clamped by a movable clamp and a fixed clamp, and the actions of clamping and loosening are all automatic operations; secondly, through the centre gripping seat centre gripping PCB, the PCB is placed in the recess of centre gripping seat, and the clearance of rethread anchor clamps and lower anchor clamps is in order to realize the clamping effect, and the clamping of PCB is more convenient this moment, and the operation of changing the centre gripping seat to the PCB of different specifications also is automatic clamping and unclamps, further improves the clamping convenience of PCB.
In order to solve the technical problem, the utility model discloses a technical scheme be:
an automatic clamping fixture of a flying probe testing machine comprises an upper fixture and a lower fixture, wherein the lower fixture is fixedly connected to a rack, the upper fixture is connected to the rack in a sliding manner, the upper fixture and the lower fixture are arranged in parallel, and the upper fixture can be close to or far away from the lower fixture;
the upper clamp and the lower clamp are both provided with a fixed clamp and a movable clamp, the fixed clamp is fixedly connected to the rack, the movable clamp can be close to or far away from the fixed clamp, the movable clamp is also provided with a clamping cylinder for driving the movable clamp to move, and one side of the fixed clamp, which is contacted with the movable clamp, is fixedly connected with a base plate;
the PCB clamping device is characterized by further comprising a clamping seat, the clamping seat is plate-shaped, the clamping seat is vertically installed between the fixed clamp and the movable clamp and is clamped through the movable clamp, and a groove for clamping the PCB is formed in the side wall of the clamping seat.
Further, the clamping cylinders are arranged at two ends of the fixing clamp respectively, the clamping cylinders for completing clamping actions are arranged at the two ends of the fixing clamp, the synchronous operation is realized, and the smoothness of the clamping actions and the reliability of the clamping actions can be guaranteed.
Further, two ends of the fixing clamp of the lower clamp are fixedly connected with air cylinder seats, the air cylinder seats are L-shaped, the clamping air cylinders are fixedly installed on the air cylinder seats, and telescopic rods of the clamping air cylinders are connected with and drive the movable clamps.
Furthermore, two ends of the movable clamp of the lower clamp are fixedly provided with driving arms, and the extending ends of the driving arms are fixedly connected with telescopic rods of the clamping cylinders.
Furthermore, the plate surface of the clamping seat is rectangular, and the groove is located on the long edge of the clamping seat.
Furthermore, the opposite two sides of the clamping seat are provided with the grooves, and the widths of the grooves on the two sides are different.
Further, the clamping seat is made of an epoxy glass cloth laminated board.
Further, the flying probe testing machine is a four-wire flying probe testing machine.
Further, the backing plate is a plastic backing plate or a rubber backing plate.
The utility model has the advantages that:
the utility model discloses an automatic clamping fixture of flying probe test machine, which is used for clamping PCB, including two clamping modes, firstly, the PCB is clamped by a movable clamp and a fixed clamp, and the actions of clamping and loosening are all automatic operation; secondly, through the centre gripping seat centre gripping PCB, the PCB is placed in the recess of centre gripping seat, and the clearance of rethread anchor clamps and lower anchor clamps is in order to realize the clamping effect, and the clamping of PCB is more convenient this moment, and the operation of changing the centre gripping seat to the PCB of different specifications also is automatic clamping and unclamps, further improves the clamping convenience of PCB.
The two clamping cylinders are arranged, the two ends of the clamping cylinders are provided with the clamping cylinders for completing the clamping action, the synchronous operation is realized, and the smoothness of the clamping action and the reliability of the clamping action can be ensured; the air cylinder can be conveniently installed and driven through the simple L-shaped air cylinder seat and the driving arm, and the air cylinder is directly installed on the fixing clamp, so that the equipped air cylinder only needs a small stroke, and the preparation cost of the equipment is effectively reduced.
The grooves are arranged on the two opposite sides of the clamping seat of the utility model, and the widths of the grooves on the two sides are different, so that the clamping seat can be suitable for PCBs with various thicknesses, and the application range of the clamp is improved; the clamping seat is made of an epoxy glass cloth laminated board, the epoxy glass cloth laminated board cannot deform after being used for a long time, the surface roughness of the epoxy glass cloth laminated board is higher than that of nylon, the epoxy glass cloth laminated board cannot slide after being clamped on an upper clamp or a lower clamp, and the stability of PCB clamping can be ensured; the backing plate is a plastic backing plate or a rubber backing plate, and the backing plate made of plastic or rubber can prevent the surface of the PCB from being damaged.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic view of the overall structure of the automatic clamping fixture of the flying probe machine of the present invention;
FIG. 2 is a schematic view of the exploded structure of the lower clamp of the automatic clamping clamp of the present invention;
FIG. 3 is an enlarged view of portion B of FIG. 2;
fig. 4 is a schematic structural view of the holder of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 1 (a first clamping arrangement);
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 1 (second clamping arrangement);
the parts in the drawings are marked as follows:
the device comprises an upper clamp 1, a lower clamp 2, a fixed clamp 21, a cylinder seat 211, a movable clamp 22, a driving arm 221 and a clamping cylinder 23;
the backing plate 3, the clamping seat 4 and the groove 41;
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Example (b): an automatic clamping fixture of a flying probe testing machine is shown in figures 1 to 6: the testing machine comprises an upper clamp 1 and a lower clamp 2, wherein the lower clamp is fixedly connected to a machine frame 9, the upper clamp is connected to the machine frame in a sliding mode, the upper clamp and the lower clamp are arranged in parallel, and the upper clamp can be close to or far away from the lower clamp;
the upper clamp and the lower clamp are both provided with a fixed clamp 21 and a movable clamp 22, the fixed clamp is fixedly connected to the rack, the movable clamp can be close to or far away from the fixed clamp, the lower clamp is also provided with a clamping cylinder 23 for driving the movable clamp to move, and one side of the fixed clamp, which is in contact with the movable clamp, is fixedly connected with a backing plate 3;
the clamping device further comprises a clamping seat 4 which is plate-shaped, the clamping seat is vertically installed between the fixed clamp and the movable clamp and clamped through the movable clamp, and a groove 41 for clamping the PCB8 is formed in the side wall of the clamping seat.
The utility model discloses an automatic clamping fixture of flying probe test machine, which is used for clamping PCB, including two clamping modes, firstly, the PCB is clamped by a movable clamp and a fixed clamp, and the actions of clamping and loosening are all automatic operation; secondly, through the centre gripping seat centre gripping PCB, the PCB is placed in the recess of centre gripping seat, and the clearance of rethread anchor clamps and lower anchor clamps is in order to realize the clamping effect, and the clamping of PCB is more convenient this moment, and the operation of changing the centre gripping seat to the PCB of different specifications also is automatic clamping and unclamps, further improves the clamping convenience of PCB.
In this embodiment, as a best implementation scheme, two clamping cylinders are provided, and the two clamping cylinders are respectively disposed at two ends of the fixing clamp;
the clamping cylinders for completing the clamping action are arranged at the two ends and run synchronously, so that the smoothness of the clamping action and the reliability of the clamping action can be guaranteed.
The two ends of the fixing clamp of the lower clamp are fixedly connected with air cylinder seats 211 which are L-shaped, the clamping air cylinder is fixedly arranged on the air cylinder seats, and an expansion link of the clamping air cylinder is connected with and drives the movable clamp;
two ends of the movable clamp of the lower clamp are fixedly provided with driving arms 221, and the extending ends of the driving arms are fixedly connected with telescopic rods of the clamping cylinders;
the installation and the drive of realization cylinder that can be convenient through simple "L" shape cylinder block and actuating arm to directly install the cylinder on the fixation clamp, can make the cylinder of being equipped with only need very little stroke, the preparation cost of effectual reduction equipment.
The face of grip slipper is rectangle, the recess is located the long limit of grip slipper.
The grooves are formed in the two opposite sides of the clamping seat, and the widths of the grooves in the two sides are different, so that the clamping seat can be suitable for PCBs with various thicknesses;
it can be understood that, because of different specifications of PCBs, there are many middle thickness dimensions, the groove width of the holder in this embodiment has two dimensions, each of which can be suitable for PCBs of various specifications, and the depth of the groove is for testing the test points of the board edge of the PCB;
in this embodiment, the thickness of the clamping seat is 3.8mm, and the sizes of the two grooves are respectively as follows:
(1) the width of the groove is 3.2mm, the depth of the groove is 2mm, and the thickness of the PCB is 0.5mm-3.0 mm;
(2) the width of the groove is 2.5mm, the depth of the groove is 1.5mm, and the thickness of the PCB is 0.5mm-2.2mm
Furthermore, the clamping seat is made of an epoxy glass cloth laminated board.
In this embodiment, the epoxy glass cloth laminated board is rated FR-4, and through the test of multiple materials, for example, for nylon materials, the epoxy glass cloth laminated board does not deform after long-time use, and the roughness of the surface thereof is higher than nylon, and the epoxy glass cloth laminated board does not slide after being clamped on an upper clamp or a lower clamp, so that the stability of PCB clamping can be ensured.
The flying probe tester in this embodiment is a four-wire flying probe tester, but is not limited thereto.
The backing plate is a plastic backing plate or a rubber backing plate, and the backing plate made of plastic or rubber can prevent the surface of the PCB from being damaged.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
The utility model discloses a working process and theory of operation as follows:
the utility model discloses an automatic clamping anchor clamps of flying probe test machine for PCB's clamping, including two kinds of clamping mode, firstly as shown in fig. 5: the PCB is clamped by the movable clamp and the fixed clamp, and the clamping and the loosening actions are automatic operations; secondly, as shown in fig. 6: through grip slipper centre gripping PCB, PCB place in the recess of grip slipper, the clearance of anchor clamps and lower anchor clamps is in order to realize pressing from both sides tight effect in the regulation, and the clamping of PCB this moment is more convenient, and also is automatic to the operation of the change grip slipper of the PCB of different specifications and presss from both sides tightly and unclamp, further improves PCB's clamping convenience.
The two clamping cylinders are arranged, the two ends of the clamping cylinders are provided with the clamping cylinders for completing the clamping action, the synchronous operation is realized, and the smoothness of the clamping action and the reliability of the clamping action can be ensured; the air cylinder can be conveniently installed and driven through the simple L-shaped air cylinder seat and the driving arm, and the air cylinder is directly installed on the fixing clamp, so that the equipped air cylinder only needs a small stroke, and the preparation cost of the equipment is effectively reduced.
The grooves are arranged on the two opposite sides of the clamping seat of the utility model, and the widths of the grooves on the two sides are different, so that the clamping seat can be suitable for PCBs with various thicknesses, and the application range of the clamp is improved; the clamping seat is made of an epoxy glass cloth laminated board, the epoxy glass cloth laminated board cannot deform after being used for a long time, the surface roughness of the epoxy glass cloth laminated board is higher than that of nylon, the epoxy glass cloth laminated board cannot slide after being clamped on an upper clamp or a lower clamp, and the stability of PCB clamping can be ensured; the backing plate is a plastic backing plate or a rubber backing plate, and the backing plate made of plastic or rubber can prevent the surface of the PCB from being damaged.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (9)
1. The utility model provides an automatic clamping anchor clamps of flying probe test machine which characterized in that: the clamping device comprises an upper clamp (1) and a lower clamp (2), wherein the lower clamp is fixedly connected to a rack (9), the upper clamp is connected to the rack in a sliding manner, the upper clamp and the lower clamp are arranged in parallel, and the upper clamp can be close to or far away from the lower clamp;
the upper clamp and the lower clamp are both provided with a fixed clamp (21) and a movable clamp (22), the fixed clamp is fixedly connected to the rack, the movable clamp can be close to or far away from the fixed clamp, the lower clamp is also provided with a clamping cylinder (23) for driving the movable clamp to move, and one side of the fixed clamp, which is in contact with the movable clamp, is fixedly connected with a backing plate (3);
the PCB clamping device is characterized by further comprising a clamping seat (4), the clamping seat is plate-shaped, the clamping seat is vertically installed between the fixed clamp and the movable clamp and is clamped through the movable clamp, and a groove (41) for clamping the PCB is formed in the side wall of the clamping seat.
2. The automatic clamping fixture of the flying probe testing machine as claimed in claim 1, wherein: the clamping cylinders are two and are respectively arranged at two ends of the fixing clamp.
3. The automatic clamping fixture of the flying probe testing machine as claimed in claim 2, wherein: the two ends of the fixing clamp of the lower clamp are fixedly connected with air cylinder seats (211), the air cylinder seats are L-shaped, the clamping air cylinders are fixedly arranged on the air cylinder seats, and telescopic rods of the clamping air cylinders are connected with and drive the movable clamps.
4. The automatic clamping fixture of flying probe testing machine of claim 3, characterized in that: and two ends of the movable clamp of the lower clamp are fixedly provided with driving arms (221), and the extending ends of the driving arms are fixedly connected with telescopic rods of the clamping cylinders.
5. The automatic clamping fixture of the flying probe testing machine as claimed in claim 1, wherein: the face of grip slipper is rectangle, the recess is located the long limit of grip slipper.
6. The automatic clamping fixture of flying probe testing machine of claim 5, characterized in that: the opposite sides of grip slipper all are equipped with the recess, and both sides the width of recess is different.
7. The automatic clamping fixture of flying probe testing machine as claimed in claim 1 or 6, characterized in that: the clamping seat is made of an epoxy glass cloth laminated board.
8. The automatic clamping fixture of the flying probe testing machine as claimed in claim 1, wherein: the flying probe tester is a four-wire flying probe tester.
9. The automatic clamping fixture of the flying probe testing machine as claimed in claim 1, wherein: the backing plate is a plastic backing plate or a rubber backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039284.6U CN211603281U (en) | 2020-01-09 | 2020-01-09 | Automatic clamping fixture of flying probe testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020039284.6U CN211603281U (en) | 2020-01-09 | 2020-01-09 | Automatic clamping fixture of flying probe testing machine |
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| Publication Number | Publication Date |
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| CN211603281U true CN211603281U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020039284.6U Active CN211603281U (en) | 2020-01-09 | 2020-01-09 | Automatic clamping fixture of flying probe testing machine |
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| CN (1) | CN211603281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816857A (en) * | 2021-04-16 | 2021-05-18 | 国开启科量子技术(北京)有限公司 | Circuit board test system and manufacturing method thereof |
-
2020
- 2020-01-09 CN CN202020039284.6U patent/CN211603281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112816857A (en) * | 2021-04-16 | 2021-05-18 | 国开启科量子技术(北京)有限公司 | Circuit board test system and manufacturing method thereof |
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