Pressure device for testing reflexion precision of FPC (Flexible Printed Circuit) of mobile phone screen assembly

Abstract

The utility model relates to the technical field of mobile phone screen assembly FPC reverse folding precision testing, and discloses a pressure device for mobile phone screen assembly FPC reverse folding precision testing, which comprises a bottom plate, two baffle plates are fixedly welded on the outer walls of four first springs, a top plate is fixedly welded on the outer wall of the baffle plate, a moving rod is slidably connected in the top plate, and the moving rod is fixedly welded on the bottom plate. A plurality of second springs are fixedly mounted on the outer wall of the bottom of the top plate, and triangular plates are fixedly welded to the bottoms of the second springs. An EPC board is placed between a clamping plate and a pressing plate, a movable disc is rotated to drive a threaded rod to rotate, the pressing plate is driven to move towards the clamping plate, the EPC board is clamped, a movable rod is moved downwards to drive a triangular plate to move downwards, the triangular plate can be attached to baffles, the EPC board is placed between the two baffles, the movable rod is loosened, the triangular plate is driven to move upwards, and the baffles are driven to be clamped. The effect of clamping the EPC board is achieved, and the effect of conveniently fixing the EPC board is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone screen assembly FPC folding accuracy testing, in particular to a pressure device for mobile phone screen assembly FPC folding accuracy testing. Background Art

[0002] Flexible Printed Circuit (FPC) is a highly reliable and flexible printed circuit board made of polyimide or polyester film. It has the characteristics of high wiring density, light weight, thin thickness and good bendability. FPC has been widely used in the touch display industry, especially in the field of touch mobile phones.

[0003] When assembling the inner and outer screens of a mobile phone, you need to fold the FPC of the touch screen back and attach it to the iron frame of the display module. When working, first fix the product, then fold the touch screen FPC back, and then press the FPC hard to ensure that it is firmly attached.

[0004] Since one end of the FPC is fixed and the other end is movable, the force applied to one end during actual operation will affect the folding accuracy. In serious cases, it will affect the assembly of the entire machine, or forced assembly with a slight offset will affect the performance of the entire machine. Therefore, in order to ensure the folding accuracy of the FPC, meticulous operation is required, but this will result in a long time consumption and high labor costs. Moreover, relying solely on manual operation will result in low work efficiency and a high defect rate. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a pressure device for testing the FPC folding accuracy of a mobile phone screen assembly, so as to solve the problem mentioned in the above background technology that in order to ensure the FPC folding accuracy, careful operation is required, but this leads to a long time consumption and high labor costs, and relying solely on manual operation, the work efficiency is low and the defective rate is high.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pressure device for testing the folding accuracy of the FPC of a mobile phone screen assembly, comprising a base plate, a test box is fixedly installed on the top outer wall of the base plate, a turntable is rotatably connected to the inside of the test box, a splint is fixedly installed on the outer wall of the turntable, a fixed frame is fixedly installed on the right outer wall of the splint, a movable disk is rotatably connected to the outer wall of the fixed frame, a pressure plate is movably fitted on the right outer wall of the splint, a partition is fixedly installed on the outer wall of the test box, four first springs are fixedly welded to the outer walls of the two movable plates, two baffles are fixedly welded to the outer walls of the four first springs, a top plate is fixedly welded to the outer wall of the partition, a moving rod is slidably connected to the inside of the top plate, a number of second springs are fixedly installed on the bottom outer wall of the top plate, and a triangular plate is fixedly welded to the bottom of the number of second springs.

[0007] Preferably, a fixing plate is fixedly installed inside the test box, a motor is fixedly installed on the outer wall of the fixing plate, a connecting disk is fixedly installed on the output end of the motor, a striking rod is fixedly installed on the outer wall of the movable disk, a cross bar is fixedly installed on the outer wall of the turntable, a rotating rod is fixedly installed on the outer wall of the cross bar, a fixing rod is fixedly installed on the outer wall of the rotating rod, a torsion spring is fixedly installed inside the test box, and a control panel is fixedly installed inside the test box.

[0008] Preferably, the outer wall of the striking rod is movably connected to the outer wall of the fixing rod, and the outer wall of the torsion spring is fixedly welded to the outer wall of the rotating rod.

[0009] Preferably, a threaded rod is fixedly welded to the outer wall of the pressing plate, and one end of the threaded rod away from the pressing plate is fixedly welded to the outer wall of the movable disk.

[0010] Preferably, the outer wall of the triangular plate is movably connected to the outer walls of the two baffles, and the outer walls of the two movable rods are fixedly welded to the outer wall of the triangular plate.

[0011] Preferably, the outer wall of the triangular plate is slidably connected to the outer wall of the partition.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The pressure device for testing the FPC folding accuracy of the mobile phone screen assembly places the EPC board between the clamping plate and the pressure plate, and the rotating movable plate drives the threaded rod to rotate, drives the pressure plate to move toward the clamping plate, and clamps the EPC board. When the top of the EPC board needs to be clamped, the downward moving rod drives the triangular plate downward, and the triangular plate will fit on the baffle. The EPC board is placed between the two baffles, the moving rod is released, and the triangular plate is driven up to drive the baffle to clamp, so as to achieve the effect of clamping the EPC board and the effect of conveniently fixing the EPC board, solving the problem of requiring meticulous operation, but resulting in a long time consumption, high labor cost, and low work efficiency and high defective rate due to relying solely on manual operation.

[0014] 2. The pressure device for testing the FPC folding accuracy of the mobile phone screen assembly, when it is necessary to drive the turntable to swing horizontally, turns on the motor to drive the connecting disk to rotate, drives the striking rod to rotate, drives the fixed rod to move, and drives the fixed rod to shake horizontally. When the striking rod rotates, it can drive the fixed rod to rotate, and under the drive of the torsion spring, it can drive the rotating rod to restore its original position, which can achieve the effect of rotating to restore the original position, and can realize repeated bending of the EPC board. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a side view schematic diagram of the structure of the utility model;

[0017] Figure 3 This is a side sectional schematic diagram of the structure of the utility model;

[0018] Figure 4 For the utility model structure Figure 1 A in the middle is an enlarged schematic diagram;

[0019] Figure 5 For the utility model structure Figure 3 Enlarged schematic diagram of point B in the middle.

[0020] In the figure: 1. bottom plate; 2. test box; 3. turntable; 4. clamping plate; 5. fixed frame; 6. movable plate; 7. pressure plate; 8. partition; 9. movable plate; 10. first spring; 11. baffle; 12. top plate; 13. movable rod; 14. second spring; 15. triangle plate; 16. fixed plate; 17. motor; 18. connecting plate; 19. striking rod; 20. rotating rod; 21. fixed rod; 22. torsion spring; 23. control panel. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1:

[0023] Please refer to Figures 1-5.

[0024] A pressure device for testing the folding accuracy of an FPC of a mobile phone screen assembly comprises a bottom plate 1, a test box 2 being fixedly mounted on the top outer wall of the bottom plate 1, a turntable 3 being rotatably connected to the interior of the test box 2, a clamping plate 4 being fixedly mounted on the outer wall of the turntable 3, a fixed frame 5 being fixedly mounted on the right outer wall of the clamping plate 4, a movable disk 6 being rotatably connected to the outer wall of the fixed frame 5, a pressure plate 7 being movably fitted to the right outer wall of the clamping plate 4, a partition 8 being fixedly mounted on the outer wall of the partition 8, two movable plates 9 being fixedly welded to the outer walls thereof, four first springs 10 being fixedly welded to the outer walls of the four first springs 10, two baffles 11 being fixedly welded to the outer walls thereof, a top plate 12 being fixedly welded to the outer wall of the partition 8, a movable rod 13 being slidably connected to the interior of the top plate 12, a plurality of second springs 14 being fixedly mounted on the bottom outer wall of the top plate 12, and a triangular plate 15 being fixedly welded to the bottoms of the plurality of second springs 14;

[0025] Specifically, when the EPC board needs to be clamped, the EPC board is placed between the clamping plate 4 and the pressure plate 7, and then the movable disk 6 is rotated. The movable disk 6 will drive the threaded rod to rotate, and the threaded rod will drive the pressure plate 7 to move toward the clamping plate 4 to clamp the EPC board. When the upper part of the EPC board needs to be clamped, the movable rod 13 is moved down. The movable rod 13 will drive the triangular plate 15 to move down, and the triangular plate 15 will fit on the baffle 11, and then the baffle 11 is separated, and the EPC board is placed between the two baffles 11. The movable rod 13 is released, and the triangular plate 15 is driven to move up under the pressure of the second spring 14, and then the baffle 11 is clamped under the pressure of the first spring 10, so as to achieve the effect of clamping the EPC board and the effect of conveniently fixing the EPC board.

[0026] In the embodiment: the outer wall of the pressing plate 7 is fixedly welded with a threaded rod, and one end of the threaded rod away from the pressing plate 7 is fixedly welded to the outer wall of the movable plate 6;

[0027] Specifically, the outer wall of the pressure plate 7 is fixedly welded with a threaded rod. The threaded rod serves as a fastener and can rotate with the movable plate 6 to achieve the effect of driving the pressure plate 7 to move, thereby achieving the effect of clamping the EPC.

[0028] In the embodiment: the outer wall of the triangular plate 15 is movably connected to the outer walls of the two baffles 11, and the outer walls of the two movable rods 13 are fixedly welded to the outer wall of the triangular plate 15;

[0029] Specifically, the triangular plate 15 is movably connected to the baffle 11 to achieve the effect of squeezing the baffles 11 on both sides. The movable rod 13 is welded to the triangular plate 15 to squeeze the triangular plate 15 downward, thereby squeezing the baffles 11 on both sides.

[0030] In the embodiment: the outer wall of the triangular plate 15 is slidably connected to the outer wall of the partition 8;

[0031] Specifically, the triangular plate 15 is slidably connected to the partition plate 8, which can achieve the effect of stably moving the triangular plate 15;

[0032] In the embodiment: the control panel 23 and the motor 17 are existing structures, and the control circuit can be implemented by simple programming by technicians in this field. It is common knowledge in this field and is only used without modification. Therefore, the control method and circuit connection are not described in detail.

[0033] Working principle: Place the EPC board between the clamping plate 4 and the pressure plate 7, rotate the movable disk 6 to drive the threaded rod to rotate, drive the pressure plate 7 to move toward the clamping plate 4, and clamp the EPC board. When it is necessary to clamp the top of the EPC board, move the movable rod 13 downward to drive the triangular plate 15 downward, and the triangular plate 15 will fit on the baffle 11. Place the EPC board between the two baffles 11, loosen the movable rod 13, drive the triangular plate 15 to move upward, and drive the baffle 11 to clamp, so as to achieve the effect of clamping the EPC board. Compared with the related art, the pressure device for testing the folding accuracy of the FPC of a mobile phone screen assembly provided by the utility model has the following beneficial effects: it achieves the effect of conveniently fixing the EPC board, solves the problem of needing meticulous operation, but this leads to a long time consumption, high labor cost, and relying solely on manual operation, low work efficiency, and high defective rate.

[0034] Example 2:

[0035] Please refer to Figures 1-5.

[0036] A fixing plate 16 is fixedly installed inside the test box 2, a motor 17 is fixedly installed on the outer wall of the fixing plate 16, a connecting plate 18 is fixedly installed on the output end of the motor 17, a striking rod 19 is fixedly installed on the outer wall of the movable plate 6, a crossbar is fixedly installed on the outer wall of the turntable 3, a rotating rod 20 is fixedly installed on the outer wall of the crossbar, a fixing rod 21 is fixedly installed on the outer wall of the rotating rod 20, a torsion spring 22 is fixedly installed inside the test box 2, and a control panel 23 is fixedly installed inside the test box 2;

[0037] Specifically, when it is necessary to drive the turntable 3 to swing horizontally, the motor 17 is turned on, the motor 17 will drive the connecting plate 18 to rotate, the connecting plate 18 will drive the striking rod 19 to rotate, and the striking rod 19 will drive the fixed rod 21 to move. Since the striking rod 19 and the fixed rod 21 are not in the same position, the fixed rod 21 can be driven to swing horizontally. When the striking rod 19 rotates, the fixed rod 21 can be driven to rotate. When the striking rod 19 is separated from the fixed rod 21, the torsion spring 22 can drive the rotating rod 20 to return to its original position, thereby achieving the effect of rotating to restore the position, and realizing repeated bending of the EPC board.

[0038] In the embodiment, the outer wall of the striking rod 19 is movably connected to the outer wall of the fixing rod 21, and the outer wall of the torsion spring 22 is fixedly welded to the outer wall of the rotating rod 20;

[0039] Specifically, the striking rod 19 is movably connected to the outer wall of the fixing rod 21 to achieve the effect of squeezing the fixing rod 21 to move, and the torsion spring 22 is welded to the rotating rod 20 to achieve the effect of driving the rotating rod 20 to rotate;

[0040] Working principle: When it is necessary to drive the turntable 3 to swing horizontally, turn on the motor 17 to drive the connecting disk 18 to rotate, drive the striking rod 19 to rotate, drive the fixed rod 21 to move, and drive the fixed rod 21 to shake horizontally. When the striking rod 19 rotates, it can drive the fixed rod 21 to rotate, and under the drive of the torsion spring 22, it can drive the rotating rod 20 to restore its original position, and the effect of rotating to restore the current position can be achieved. Compared with the relevant technology, the pressure device for testing the folding accuracy of the FPC of the mobile phone screen assembly provided by the utility model has the following beneficial effects: it can realize repeated bending of the EPC board.

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure device for testing the folding accuracy of a mobile phone screen assembly FPC, comprising a bottom plate (1), characterized in that: The top outer wall of the bottom plate (1) is fixedly mounted with a test box (2), the interior of the test box (2) is rotatably connected to a turntable (3), the outer wall of the turntable (3) is fixedly mounted with a clamping plate (4), the right outer wall of the clamping plate (4) is fixedly mounted with a fixed frame (5), the outer wall of the fixed frame (5) is rotatably connected to a movable disk (6), the right outer wall of the clamping plate (4) is movably fitted with a pressure plate (7), the outer wall of the test box (2) is fixedly mounted with a partition (8), the outer wall of the partition (8) is fixedly welded with two movable plates (9), the outer walls of each of the four first springs (10) are fixedly welded with two baffles (11), the outer wall of the four first springs (10) is fixedly welded with a top plate (12), the interior of the top plate (12) is slidably connected to a movable rod (13), the bottom outer wall of the top plate (12) is fixedly mounted with a plurality of second springs (14), and the bottoms of the plurality of second springs (14) are fixedly welded with a triangular plate (15).

2. A pressure device for testing the folding accuracy of the FPC of a mobile phone screen assembly according to claim 1, characterized in that: A fixing plate (16) is fixedly installed inside the test box (2), a motor (17) is fixedly installed on the outer wall of the fixing plate (16), a connecting plate (18) is fixedly installed on the output end of the motor (17), a striking rod (19) is fixedly installed on the outer wall of the movable plate (6), a cross bar is fixedly installed on the outer wall of the turntable (3), a rotating rod (20) is fixedly installed on the outer wall of the cross bar, a fixing rod (21) is fixedly installed on the outer wall of the rotating rod (20), a torsion spring (22) is fixedly installed inside the test box (2), and a control panel (23) is fixedly installed inside the test box (2).

3. The pressure device for testing the folding accuracy of the FPC of a mobile phone screen assembly according to claim 2, characterized in that: The outer wall of the striking rod (19) is movably connected to the outer wall of the fixing rod (21), and the outer wall of the torsion spring (22) is fixedly welded to the outer wall of the rotating rod (20).

4. The pressure device for testing the folding accuracy of the FPC of a mobile phone screen assembly according to claim 1, characterized in that: A threaded rod is fixedly welded to the outer wall of the pressing plate (7), and one end of the threaded rod away from the pressing plate (7) is fixedly welded to the outer wall of the movable plate (6).

5. The pressure device for testing the folding accuracy of the FPC of a mobile phone screen assembly according to claim 1, characterized in that: The outer wall of the triangular plate (15) is movably connected to the outer walls of the two baffles (11), and the outer walls of the two movable rods (13) are fixedly welded to the outer wall of the triangular plate (15).

6. The pressure device for testing the folding accuracy of the FPC of a mobile phone screen assembly according to claim 1, characterized in that: The outer wall of the triangular plate (15) is slidably connected to the outer wall of the partition (8).

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