CN220063698U - Flexible circuit board test fixture - Google Patents
Flexible circuit board test fixture Download PDFInfo
- Publication number
- CN220063698U CN220063698U CN202321270647.7U CN202321270647U CN220063698U CN 220063698 U CN220063698 U CN 220063698U CN 202321270647 U CN202321270647 U CN 202321270647U CN 220063698 U CN220063698 U CN 220063698U
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- China
- Prior art keywords
- circuit board
- flexible circuit
- bevel gear
- loop bar
- threaded
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000005452 bending Methods 0.000 claims abstract description 21
- 230000000670 limiting effect Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 230000003028 elevating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 description 16
- 238000000429 assembly Methods 0.000 description 16
- 230000006978 adaptation Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to the technical field of flexible circuit board processing equipment, and particularly discloses a flexible circuit board testing tool. The problem of among the prior art down pressure head press down when bending to flexible circuit board centre department, flexible circuit board both ends do not carry out the relative inwards movement in step, lead to flexible circuit board to press down to bend and can't bend by a wide margin is solved. Specifically, lifting plate one side lower extreme is provided with the lower pressure head that is used for bending down the flexible circuit board, limiting block top both sides are provided with respectively and are used for carrying out the centre gripping fixed clamping assembly to flexible circuit board both ends, and the pressure head descends down to flexible circuit board centre pushing down and bending down, and the second screw thread loop bar descends and drives the screw thread loop bar and rotate, and the screw thread loop bar passes through the transmission of drive assembly and drives the relative inwards removal of clamping assembly at centre gripping flexible circuit board both ends, and the relative inwards removal of clamping assembly can play the effect of assisting the flexible circuit board of bending, and the relative inwards removal of clamping assembly can let flexible circuit board realize bending by a wide margin simultaneously.
Description
Technical Field
The utility model relates to the technical field of flexible circuit board processing equipment, in particular to a flexible circuit board testing tool.
Background
The flexible circuit board is also called as a soft board, and is made of flexible insulating base material, namely polyimide or polyester film, and has the advantages of high wiring density, light weight, thin thickness and good flexibility. In the development of precision electromechanical products, flexible circuit boards are an important part of them, and in particular, strip-shaped flexible circuit boards are the most used type.
The important technical index of flexible circuit board is the bending nature, and the bending nature refers to under the effect of certain stress, and the durability when the circuit board bears reaction bending or folding under certain temperature, so need use special testing arrangement when measuring the bending nature, testing arrangement is usually through fixing the flexible circuit board both sides, then pushes down the flexible circuit board centre through the lower pressure head, can test the flexible circuit board bending nature like this, but when pushing down the bending to flexible circuit board centre department down by the lower pressure head, flexible circuit board both ends can not follow synchronous inwards to remove and lead to flexible circuit board bending degree limited, can not too big bending.
Disclosure of Invention
In order to solve the problems, the utility model provides a flexible circuit board testing tool.
The flexible circuit board test fixture provided by the utility model adopts the following technical scheme:
the utility model provides a flexible circuit board test fixture, includes the processing platform, processing platform top is provided with supporting shoe and restriction piece, supporting shoe one side is provided with the lifter plate, lifter plate one side lower extreme is provided with the lower pressure head that is used for bending down flexible circuit board, restriction piece top both sides are provided with respectively and are used for carrying out the centre gripping fixed clamping assembly to flexible circuit board both ends, supporting shoe top fixed mounting has the motor, the motor drives through first threaded rod the lifter plate carries out elevating movement, simultaneously the lifter plate drives two through drive assembly the relative horizontal direction motion of clamping assembly.
Further, one end of the first threaded rod is fixedly installed at the motor output end, the first threaded rod is rotationally connected inside the supporting block, one end of the lifting plate is in threaded connection with the first threaded rod, and the lower pressure head is fixedly installed below one side of the lifting plate.
Through above-mentioned technical scheme, the starter motor, motor drive first threaded rod rotation, and first threaded rod rotates and drives the lifter plate decline, and the lifter plate decline drives down the pressure head and descends to the flexible circuit board centre department and push down bending.
Further, the transmission assembly comprises a threaded loop bar, the threaded loop bar is rotationally connected to the upper side of one side of the limiting block, a second threaded rod is fixedly installed below the lifting plate, and the second threaded rod is in threaded connection with the threaded loop bar.
Through above-mentioned technical scheme, when lower pressure head descends and flexible circuit board contact, the lifter plate drives the second threaded rod and descends to insert inside the screw thread loop bar, through threaded fit, the second threaded rod continues to descend and can drive the screw thread loop bar and rotate.
Further, the first bevel gear is fixedly arranged at the lower end of the threaded sleeve rod, the first bevel gear is meshed with the second bevel gear, the second bevel gear is fixedly arranged at one end of the rotating rod, the rotating rod is rotationally connected inside the limiting block, and the rotating rod is fixedly provided with a third bevel gear at one end far away from the second bevel gear.
Further, the third bevel gear is meshed with the fourth bevel gear, the fourth bevel gear is fixedly arranged on the double-head screw rod, the double-head screw rod is rotationally connected inside the limiting block, and two ends of the double-head screw rod are respectively connected with the moving blocks in a threaded mode.
Through the technical scheme, the threaded loop bar drives the two moving blocks to move inwards relatively through the transmission of the transmission assembly, and the two moving blocks drive the clamping assemblies at two ends of the clamping flexible circuit board to move inwards relatively.
Further, each clamping assembly comprises a supporting plate, two supporting plates are respectively and fixedly arranged at the upper ends of two moving blocks, and fixing plates are respectively and fixedly arranged at the upper ends of the two supporting plates.
Further, each fixed plate is provided with a telescopic loop bar at one side lower end, two telescopic loop bars are provided with fixing pieces at one ends far away from the fixed plates, and two telescopic loop bars are respectively sleeved with springs.
Through above-mentioned technical scheme, push the mounting through spring decurrent thrust and push down the fixed to the both ends that flexible circuit board placed in both sides circuit board top.
In summary, the present utility model includes at least one of the following beneficial technical effects:
according to the flexible circuit board bending device, when the lower pressing head presses and bends the flexible circuit board, the clamping assemblies synchronously drive the two ends of the flexible circuit board to move inwards relatively, the transmission assemblies are arranged, when the lower pressing head contacts the middle of the flexible circuit board, the second threaded rod can be inserted into the threaded sleeve rod, the lower pressing head continuously descends to press and bend the middle of the flexible circuit board, the second threaded sleeve rod descends to drive the threaded sleeve rod to rotate, the threaded sleeve rod drives the clamping assemblies for clamping the two ends of the flexible circuit board to move inwards relatively through the transmission assemblies, and therefore the clamping assemblies can play a role of assisting in bending the flexible circuit board relatively, and meanwhile the flexible circuit board can be bent greatly through the relative inwards movement of the clamping assemblies.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of the front cross-sectional structure of the present utility model;
FIG. 3 is a schematic side cross-sectional view of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2A;
reference numerals illustrate: 1. a processing table; 2. a support block; 3. a limiting block; 4. a lower pressure head; 5. a motor; 6. a lifting plate; 7. a first threaded rod; 8. a second threaded rod; 9. a threaded sleeve rod; 10. a first bevel gear; 11. a second bevel gear; 12. a rotating lever; 13. a third bevel gear; 14. a fourth bevel gear; 15. a double-ended screw; 16. a moving block; 17. a support plate; 18. a fixing plate; 19. a telescopic loop bar; 20. a spring; 21. and a fixing piece.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Referring to fig. 1-4, a flexible circuit board test fixture comprises a processing table 1, a supporting block 2 and a limiting block 3 are arranged above the processing table 1, a lifting plate 6 is arranged on one side of the supporting block 2, a lower pressing head 4 for downwards pressing and bending the flexible circuit board is arranged at the lower end of one side of the lifting plate 6, clamping assemblies for clamping and fixing two ends of the flexible circuit board are respectively arranged on two sides above the limiting block 3, a motor 5 is fixedly arranged above the supporting block 2, the motor 5 drives the lifting plate 6 to lift through a first threaded rod 7, and meanwhile the lifting plate 6 drives two clamping assemblies to move in the relative horizontal direction through a transmission assembly.
The two ends of the flexible circuit board are respectively clamped and fixed through clamping assemblies arranged on two sides, the middle position of the flexible circuit board is adjusted to be right below the lower pressing head 4, then the motor 5 is started, the motor 5 drives the lifting plate 6 to descend through the first threaded rod 7, the lifting plate 6 drives the lower pressing head 4 and the second threaded rod 8 to descend, when the lower pressing head 4 contacts with the flexible circuit board, the second threaded rod 8 is just inserted into the threaded sleeve rod 9, the lifting plate 6 continues to descend, the lower pressing head 4 descends to press and bend the middle part of the flexible circuit board, the second threaded rod 8 descends to drive the threaded sleeve rod 9 to rotate, the threaded sleeve rod 9 drives the clamping assemblies on two sides to move inwards relatively through the transmission assembly, and accordingly, as the bending amplitude of the middle part of the flexible circuit board is larger, the two side clamping assemblies drive the two ends of the flexible circuit board to move inwards.
Referring to fig. 1-3, one end of a first threaded rod 7 is fixedly installed at the output end of the motor 5, the first threaded rod 7 is rotatably connected inside the supporting block 2, one end of a lifting plate 6 is in threaded connection with the first threaded rod 7, and a lower pressing head 4 is fixedly installed below one side of the lifting plate 6.
Starting the motor 5, driving the first threaded rod 7 to rotate by the motor 5, providing a threaded hole matched with the first threaded rod 7 at one end of the supporting block 2, driving the lifting plate 6 to lift by the rotation of the first threaded rod 7, and driving the lower pressure head 4 to descend by the lifting plate 6 to press and bend the lower flexible circuit board.
Referring to fig. 1-3, the transmission assembly comprises a threaded sleeve rod 9, the threaded sleeve rod 9 is rotatably connected above one side of the limiting block 3, a second threaded rod 8 is fixedly installed below the lifting plate 6, the second threaded rod 8 is in threaded connection with the threaded sleeve rod 9, a first bevel gear 10 is fixedly installed at the lower end of the threaded sleeve rod 9, the first bevel gear 10 is meshed with a second bevel gear 11, the second bevel gear 11 is fixedly installed at one end of a rotating rod 12, the rotating rod 12 is rotatably connected inside the limiting block 3, a third bevel gear 13 is fixedly installed at one end, far away from the second bevel gear 11, of the rotating rod 12, the third bevel gear 13 is meshed with a fourth bevel gear 14, the fourth bevel gear 14 is fixedly installed on a double-end screw 15, the double-end screw 15 is rotatably connected inside the limiting block 3, and moving blocks 16 are respectively in threaded connection with two ends of the double-end screw 15.
The lifter plate 6 descends to drive the second threaded rod 8 to descend, the second threaded rod 8 descends to insert inside the threaded sleeve rod 9, the threaded hole of second threaded rod 8 looks adaptation is offered to the threaded sleeve rod 9 inside, and second threaded rod 8 is fixed, and threaded sleeve rod 9 rotates to be connected in restriction piece 3 top, the second threaded rod 8 descends and can drive threaded sleeve rod 9 and rotate, threaded sleeve rod 9 drives first bevel gear 10 and rotates, first bevel gear 10 drives dwang 12 through second bevel gear 11 and rotates, dwang 12 drives fourth bevel gear 14 through third bevel gear 13 and rotates, fourth bevel gear 14 drives double-end screw 15 and rotates, the threaded hole with double-end screw 15 both ends looks adaptation has been offered respectively to the movable block 16 below, double-end screw 15 drives two clamping assemblies and inwards moves relatively in step through two movable blocks 16, two clamping assemblies drive flexible circuit board both ends inwards move relatively, play supplementary bending and guarantee that flexible circuit board department middle part can bend by a wide margin.
Referring to fig. 2-4, each clamping assembly includes a support plate 17, two support plates 17 are respectively and fixedly mounted at the upper ends of two moving blocks 16, a fixing plate 18 is respectively and fixedly mounted at the upper ends of the two support plates 17, a telescopic sleeve rod 19 is respectively and fixedly mounted at the lower end of one side of each fixing plate 18, a fixing piece 21 is respectively and fixedly mounted at one end, far away from the fixing plate 18, of the two telescopic sleeve rods 19, and springs 20 are respectively sleeved on the two telescopic sleeve rods 19.
Two ends of the flexible circuit board are respectively placed above the two supporting plates 17, the two fixing pieces 21 are pushed downwards by stretching of the two springs 20 to fix the two ends of the flexible circuit board in a pressing mode, and the two telescopic loop bars 19 are used for limiting the springs 20 to only longitudinally stretch and retract, so that deformation of the springs 20 is prevented, and a limiting effect is achieved.
Working principle: the two ends of the flexible circuit board are respectively clamped and fixed through clamping assemblies arranged on two sides, the middle position of the flexible circuit board is adjusted to be right below the lower pressing head 4, then the motor 5 is started, the motor 5 drives the lifting plate 6 to descend through the first threaded rod 7, the lifting plate 6 drives the lower pressing head 4 and the second threaded rod 8 to descend, when the lower pressing head 4 contacts with the flexible circuit board, the second threaded rod 8 is just inserted into the threaded sleeve rod 9, the lifting plate 6 continues to descend, the lower pressing head 4 descends to press and bend the middle part of the flexible circuit board, the second threaded rod 8 descends to drive the threaded sleeve rod 9 to rotate, and the threaded sleeve rod 9 drives the clamping assemblies on two sides to synchronously move inwards relatively through transmission of the transmission assembly.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (7)
1. Flexible circuit board test fixture, its characterized in that includes: processing platform (1), processing platform (1) top is provided with supporting shoe (2) and restriction piece (3), supporting shoe (2) one side is provided with lifter plate (6), lifter plate (6) one side lower extreme is provided with lower pressure head (4) that are used for bending down the flexible circuit board, restriction piece (3) top both sides are provided with respectively and are used for carrying out the centre gripping fixed clamping assembly to flexible circuit board both ends, supporting shoe (2) top fixed mounting has motor (5), motor (5) drive through first threaded rod (7) lifter plate (6) go on elevating movement, simultaneously lifter plate (6) drive two through drive assembly clamping assembly carries out relative horizontal direction motion.
2. The flexible circuit board test fixture of claim 1, wherein: one end of a first threaded rod (7) is fixedly arranged at the output end of the motor (5), the first threaded rod (7) is rotationally connected inside the supporting block (2), one end of a lifting plate (6) is in threaded connection with the first threaded rod (7), and a lower pressing head (4) is fixedly arranged below one side of the lifting plate (6).
3. The flexible circuit board test fixture of claim 1, wherein: the transmission assembly comprises a threaded loop bar (9), the threaded loop bar (9) is rotationally connected above one side of the limiting block (3), a second threaded rod (8) is fixedly installed below the lifting plate (6), and the second threaded rod (8) is in threaded connection with the threaded loop bar (9).
4. The flexible circuit board test fixture of claim 3, wherein: the utility model discloses a screw thread loop bar, including restriction piece (3), screw thread loop bar (9) lower extreme fixed mounting has first bevel gear (10), first bevel gear (10) meshes with second bevel gear (11), second bevel gear (11) fixed mounting is in dwang (12) one end, dwang (12) rotate and connect inside restriction piece (3), dwang (12) keep away from second bevel gear (11) one end fixed mounting has third bevel gear (13).
5. The flexible circuit board test fixture of claim 4, wherein: the third bevel gear (13) is meshed with the fourth bevel gear (14), the fourth bevel gear (14) is fixedly arranged on the double-end screw rod (15), the double-end screw rod (15) is rotationally connected inside the limiting block (3), and two ends of the double-end screw rod (15) are respectively in threaded connection with the moving block (16).
6. The flexible circuit board test fixture of claim 5, wherein: each clamping assembly comprises a supporting plate (17), two supporting plates (17) are respectively and fixedly arranged at the upper ends of two moving blocks (16), and fixing plates (18) are respectively and fixedly arranged at the upper ends of the two supporting plates (17).
7. The flexible circuit board test fixture of claim 6, wherein: each fixed plate (18) one side lower extreme is fixed mounting respectively has flexible loop bar (19), and two flexible loop bar (19) keep away from fixed plate (18) one end is fixed mounting respectively has mounting (21), and two flexible loop bar (19) are last to have cup jointed spring (20) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321270647.7U CN220063698U (en) | 2023-05-24 | 2023-05-24 | Flexible circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321270647.7U CN220063698U (en) | 2023-05-24 | 2023-05-24 | Flexible circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220063698U true CN220063698U (en) | 2023-11-21 |
Family
ID=88767110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321270647.7U Active CN220063698U (en) | 2023-05-24 | 2023-05-24 | Flexible circuit board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220063698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117969306A (en) * | 2024-03-29 | 2024-05-03 | 深圳市凌航达电子有限公司 | Detection system for printed circuit board |
-
2023
- 2023-05-24 CN CN202321270647.7U patent/CN220063698U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117969306A (en) * | 2024-03-29 | 2024-05-03 | 深圳市凌航达电子有限公司 | Detection system for printed circuit board |
| CN117969306B (en) * | 2024-03-29 | 2024-06-07 | 深圳市凌航达电子有限公司 | Detection system for printed circuit board |
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