FPC (Flexible Printed Circuit) flat cable bending method

Abstract

The invention discloses an FPC (Flexible Printed Circuit) flat cable bending method, which comprises the following steps of: firstly, connecting the head end of an FPC flat cable with a product part, and positioning the product part on a product carrier; then, a cover plate is positioned on the product carrier, and a supporting plate on the cover plate is translated to the position below the tail end of the FPC flat cable, so that the tail end of the FPC flat cable is located in a V-shaped groove of the supporting plate; afterwards, a protection block is placed on the cover plate, and the bottom end of the protection block goes deep into the V-shaped groove and is located above the tail end of the FPC flat cable; afterwards, a bending plate on the cover plate translates towards the tail end of the FPC flat cable, the bending plate is provided with a bending part in contact with the FPC flat cable, and the bending part is lower than the supporting plate; afterwards, the pressing head presses the bending part of the FPC flat cable from top to bottom and maintains the pressure. Under the condition that the head end of the FPC flat cable is connected with a product part but the tail end of the FPC flat cable is not connected with other product parts, the tail end of the FPC flat cable is bent, and conditions are provided for subsequent connection of the tail end of the FPC flat cable and other product parts.

Description

Technical Field

[0001] The present invention relates to the technical field of bending cables for electronic products, and in particular to the bending of FPC flexible cables. Background Art

[0002] FPC cable is a connecting cable group that can be bent to a certain extent. It is an industrial product, generally in a long strip shape, with pluggable pins at both ends. The function of FPC cable is to connect two related parts or products. Because it has a certain degree of bendability, FPC cable has been used in printers, mobile phones, notebooks and other products. Since the positions of the two related parts in the product are different, the FPC cable needs to be bent to connect the two related parts. Summary of the invention

[0003] The technical problem solved by the present invention is how to bend an FPC cable.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a FPC cable bending method, first, connecting the head end of the FPC cable to a product part, and positioning the product part on a product carrier; then, positioning the cover plate on the product carrier, and the support plate on the cover plate is translated to below the tail end of the FPC cable, so that the tail end of the FPC cable is located in the V-shaped groove of the support plate; then, a protective block is placed on the cover plate, and the bottom end of the protective block is deeply inserted into the V-shaped groove and is located above the tail end of the FPC cable; then, the bending plate on the cover plate is translated toward the tail end of the FPC cable, and the bending plate is provided with a bending portion in contact with the FPC cable, and the bending portion is lower than the support plate; then, the pressure head presses and maintains the pressure on the bending part of the FPC cable from top to bottom.

[0005] According to the above technical solution, the tail end of the FPC cable is located between the bottom end of the protection block and the V-shaped groove, but the bottom end of the protection block does not press the tail end of the FPC cable. Since the bending portion is lower than the support plate, the bending portion that moves horizontally along the FPC cable toward the tail end of the FPC cable can bend the FPC cable at two locations near the tail end under the joint action of the side wall of the support plate facing the bending portion. One bend is at the corner between the bottom of the bending portion and the front end of the bending portion, and the other bend is at the corner between the V-shaped groove and the side wall of the support plate facing the bending portion. The pressure head presses on the two bends of the FPC cable from top to bottom and maintains the pressure.

[0006] When the head end of the FPC cable is connected to a product part but the tail end of the FPC cable is not connected to other product parts, the present invention bends the tail end of the FPC cable to provide conditions for subsequent connection of the tail end of the FPC cable with other product parts.

[0007] The support plate includes a vertical stopper and a horizontal wedge-shaped portion, the stopper and the wedge-shaped portion form a V-shaped groove, and the wedge-shaped portion has rounded corners. One of the two bends of the FPC cable, that is, the corner between the V-shaped groove and the side wall of the support plate facing the bend, is the rounded corner of the wedge-shaped portion.

[0008] The V-shaped groove includes a vertical side wall and an inclined bottom side wall, the bottom end surface of the protection block is inclined, and the bottom end surface of the protection block is parallel to the bottom side wall of the V-shaped groove. The tail end of the FPC cable is located between the bottom end surface of the protection block and the bottom side wall of the V-shaped groove.

[0009] The support plate is arranged at the bottom of the hanging member, the hanging member is fixed on the sliding seat, the sliding seat is movably matched on the sliding rail, and the sliding rail is installed on the cover plate. A handle is arranged on the sliding seat to facilitate workers to move the sliding seat.

[0010] A positioning groove is provided at the bottom of the protection block, and the positioning groove is matched with the edge structure of the cover plate to position the protection block on the cover plate.

[0011] The bending plate is curved, the bending part is located at the bottom of the bending plate, a slider is provided on the top of the bending plate, the slider is movably matched in the slider groove of the top cover, the top cover is fixed on the cover plate, a clearance groove is provided on the top cover, a lever is matched in the clearance groove, and the lever is fixedly connected to the slider. The worker moves the lever to make the bending plate move in the direction of the V-shaped groove. The translation direction of the bending plate is perpendicular to the translation direction of the pallet.

[0012] The pressure head is set on the lifting mechanism, the lifting mechanism is set on the turntable, and the turntable carrier is set on the turntable; after the bending plate on the cover plate is translated toward the tail end of the FPC cable, the worker positions the assembled product carrier and the cover plate on the turntable carrier, and under the drive of the lifting mechanism, the pressure head presses and maintains the pressure on the bending part of the FPC cable.

[0013] An arc-shaped recessed structure is provided at the bottom end of the pressure head, and the arc-shaped recessed structure is shaped like the rounded corner of the wedge-shaped portion. The arc-shaped recessed structure is pressed at the rounded corner of the wedge-shaped portion to press the bending part of the FPC cable at the rounded corner of the wedge-shaped portion. At the same time, the bottom end surface of the pressure head is pressed on the bending part to press another bending part of the FPC cable through the bending part.

[0014] The lifting mechanism includes a lifting seat and a pressing seat. A vertical guide rail is arranged on the lifting seat. The pressing seat and the vertical guide rail are movably matched. A counterweight block is arranged on the pressing seat. The pressure head is arranged on the pressing seat. Under the combined gravity of the counterweight block, the pressing seat and the pressure head, the pressure head presses and maintains the bending part of the FPC cable.

[0015] There are three lifting mechanisms on the turntable, and correspondingly, there are three turntable carriers, which can compress and maintain the pressure of three FPC cables, which is conducive to improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below in conjunction with the accompanying drawings:

[0017] Figure 1 Equipment for implementing FPC cable bending method;

[0018] Figure 2 is a schematic diagram of the cover plate 10;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 is a top view of the cover plate 10;

[0021] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0022] Figure 6 for Figure 2 Schematic diagram of the cover plate 10 observed from the lower left;

[0023] Figure 7 for Figure 6 Enlarged view of point C in the middle;

[0024] Figure 8 This is a schematic diagram of the FPC cable being bent;

[0025] Fig. 9 for Figure 2 Exploded diagram of

[0026] Fig.10 for Figure 1 A schematic diagram of the middle turntable 52 and the lifting mechanism 51 thereon;

[0027] Fig.11 is a schematic diagram of the lifting mechanism 51;

[0028] Fig.12 is a front view of the lifting mechanism 51;

[0029] Fig.13 for Fig.11 Enlarged view of point D in the middle;

[0030] Fig.14 for Fig.13 The schematic diagram obtained by observing the pressure head 50 in the E direction;

[0031] Fig.15 For Figure 8 Based on the above, the schematic diagram of the pressing head 50 pressing down the FPC cable.

[0032] Explanation of symbols in the figure:

[0033] 10. Cover plate; 11. Edge structure;

[0034] 20. Support plate; 21. V-shaped groove; 22. Stopper; 221. Vertical side wall; 23. Wedge-shaped portion; 231. Bottom side wall; 24. Rounded corner of wedge-shaped portion; 25. Hanging member; 26. Sliding seat; 27. Slide rail; 28. Handle;

[0035] 30. protection block; 31. bottom end surface of the protection block; 32. positioning groove; 33. bottom end of the protection block;

[0036] 40. bending plate; 41. bending portion; 42. slider; 43. top cover; 45. clearance groove; 46. lever;

[0037] 50. Press head; 501. Arc-shaped concave structure; 51. Lifting mechanism; 52. Turntable; 53. Turntable carrier; 54. Lifting seat; 55. Pressing seat; 56. Vertical guide rail; 57. Counterweight;

[0038] 60. Working platform;

[0039] 90. FPC cable; 91. Tail end of FPC cable; 92. A bend at the corner between the bottom of the bend portion 41 and the front end of the bend portion; 93. Another bend at the corner between the V-groove 21 and the side wall of the support plate 20 facing the bend portion 41. DETAILED DESCRIPTION

[0040] refer to Figures 3 to 8 ,as well as Fig.15 , FPC cable bending method, first, connect the head end of the FPC cable 90 to the product part, and position the product part on the product carrier; then, position the cover plate 10 on the product carrier, and the support plate 20 on the cover plate is translated to the bottom of the tail end 91 of the FPC cable, so that the tail end of the FPC cable is located in the V-shaped groove 21 of the support plate; then, place the protection block 30 on the cover plate, the bottom end of the protection block is deep into the V-shaped groove and is located above the tail end of the FPC cable; then, the bending plate 40 on the cover plate is translated toward the tail end of the FPC cable, and the bending plate is provided with a bending portion 41 in contact with the FPC cable, and the bending portion is lower than the support plate 20; then, the pressure head 50 presses and maintains the pressure on the bending part of the FPC cable from top to bottom.

[0041] The tail end of the FPC cable is located between the bottom end of the protection block 30 and the V-shaped groove 21, but the bottom end of the protection block does not press the tail end of the FPC cable 90. Figure 8Since the bending portion 41 is lower than the support plate 20, the bending portion 41 that moves along the FPC cable 90 toward the tail end of the FPC cable can bend the FPC cable 90 at two locations near the tail end under the joint action of the side wall of the support plate 20 facing the bending portion. One bend is at the corner between the bottom of the bending portion 41 and the front end of the bending portion, and the other bend is at the corner between the V-shaped groove 21 and the side wall of the support plate 20 facing the bending portion 41. The pressure head 50 presses the two bends of the FPC cable 90 from top to bottom and maintains the pressure.

[0042] Combination Figure 3 , Figure 7 The support plate 20 includes a vertical stopper 22 and a horizontal wedge-shaped portion 23. The stopper and the wedge-shaped portion form a V-shaped groove 21, and the wedge-shaped portion has a rounded corner. One of the two bends of the FPC cable 90, i.e., the corner between the V-shaped groove 21 and the side wall of the support plate 20 facing the bend 41, is the rounded corner 24 of the wedge-shaped portion.

[0043] The V-shaped groove 21 includes a vertical side wall 221 and an inclined bottom side wall 231. The bottom end surface of the protection block 30 is inclined and parallel to the bottom side wall of the V-shaped groove. The tail end of the FPC cable 90 is located between the bottom end surface of the protection block 30 and the bottom side wall of the V-shaped groove 21.

[0044] like Figure 2 The support plate 20 is arranged at the bottom of the suspension member 25, the suspension member is fixed on the slide seat 26, the slide seat is movably matched on the slide rail 27, and the slide rail is installed on the cover plate 10. A handle 28 is provided on the slide seat 26 to facilitate workers to move the slide seat.

[0045] A positioning groove 32 is provided at the bottom of the protection block 30 , and the positioning groove is matched with the edge structure 11 of the cover plate to position the protection block 30 on the cover plate 10 .

[0046] Combination Figure 2 , Fig. 9 The bending plate 40 is curved, the bending portion 41 is located at the bottom of the bending plate, a slider 42 is provided on the top of the bending plate, the slider is movably fitted in the slider groove of the top cover 43, the top cover is fixed on the cover plate, a clearance groove 45 is provided on the top cover, a lever 46 is provided in the clearance groove, and the lever is fixedly connected to the slider. The worker moves the lever 46 to make the bending plate 40 translate toward the V-shaped groove 21. The translation direction of the bending plate is perpendicular to the translation direction of the support plate 20.

[0047] Combination Figures 10 to 12 , the pressure head 50 is arranged on the lifting mechanism 51, the lifting mechanism is arranged on the turntable 52, and the turntable is provided with a turntable carrier 53; after the bending plate 40 on the cover plate 10 is translated toward the tail end of the FPC cable, the assembled product carrier and the cover plate are positioned on the turntable carrier, and driven by the lifting mechanism, the pressure head 50 presses and maintains the pressure on the bending part of the FPC cable, such as Fig.15 shown.

[0048] In actual operation, the worker connects the head end of the FPC cable 90 to the product part and positions the product part on the product carrier, which is placed on the working platform 60. Figure 1 . Then, the worker positions the cover plate 10 beside the work platform 60 on the product carrier. The worker moves the support plate 20 on the cover plate horizontally to below the FPC cable tail end 91, so that the FPC cable tail end is located in the V-shaped groove 21 of the support plate. Then, the worker places the protection block 30 on the cover plate 10, and the bottom end of the protection block is deep into the V-shaped groove and located above the FPC cable tail end. Figure 3 , Figure 7 , Figure 8 After that, the worker moves the bending plate 40 on the cover plate horizontally toward the tail end of the FPC cable. The bending plate is provided with a bending portion 41 that contacts the FPC cable, and the bending portion is lower than the support plate 20. The above operations are all completed by the worker on the working platform 60. After that, the worker transfers the assembled product carrier and the cover plate on the working platform 60 to the turntable carrier 53. Driven by the lifting mechanism 51, the pressure head 50 presses and maintains the pressure on the bending part of the FPC cable, as shown in FIG. Fig.15 shown.

[0049] like Fig.13 , Fig.14 The bottom end of the pressure head 50 is provided with an arc-shaped recessed structure 501, which is shaped like the rounded corner of the wedge-shaped portion. The arc-shaped recessed structure is pressed at the rounded corner of the wedge-shaped portion to press the bending part 90 of the FPC cable at the rounded corner 24 of the wedge-shaped portion. At the same time, the bottom end surface of the pressure head 50 is pressed on the bending part 41 to press another bending part of the FPC cable through the bending part.

[0050] Combination Fig.11 , Fig.12 The lifting mechanism 51 includes a lifting seat 54 and a pressing seat 55. A vertical guide rail 56 is arranged on the lifting seat. The pressing seat and the vertical guide rail are movably matched. A counterweight block 57 is arranged on the pressing seat. The pressing head 50 is arranged on the pressing seat. Under the combined gravity of the counterweight block 57, the pressing seat 55 and the pressing head 50, the pressing head 50 presses and maintains the 90° bend of the FPC cable.

[0051] The turntable 52 is provided with three lifting mechanisms 51 , and correspondingly, is equipped with three turntable carriers 53 , which can compress and maintain the bends of the three FPC cables 90 .

[0052] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The content of this specification should not be understood as limiting the present invention.

Claims

1. A method for bending an FPC cable, firstly, connecting the head end of the FPC cable (90) to a product part, and positioning the product part on a product carrier; then, positioning a cover plate (10) on the product carrier, characterized in that: The support plate (20) on the cover plate is translated to below the tail end (91) of the FPC cable, so that the tail end of the FPC cable is located in the V-shaped groove (21) of the support plate; then, a protection block (30) is placed on the cover plate, the bottom end of the protection block is deeply inserted into the V-shaped groove and is located above the tail end of the FPC cable; then, the bending plate (40) on the cover plate is translated toward the tail end of the FPC cable, the bending plate is provided with a bending portion (41) in contact with the FPC cable, and the bending portion is lower than the support plate (20); then, the pressure head (50) presses and maintains the pressure on the bending portion of the FPC cable from top to bottom.

2. The FPC cable bending method according to claim 1, wherein: The support plate (20) comprises a vertical stopper (22) and a horizontal wedge-shaped portion (23), wherein the stopper and the wedge-shaped portion form a V-shaped groove (21), and the wedge-shaped portion has rounded corners.

3. The FPC cable bending method according to claim 1, wherein: The V-shaped groove (21) comprises a vertical side wall (221) and an inclined bottom side wall (231); the bottom end surface of the protection block (30) is inclined, and the bottom end surface of the protection block is parallel to the bottom side wall of the V-shaped groove.

4. The FPC cable bending method according to claim 1, wherein: The support plate (20) is arranged at the bottom of the suspension member (25), the suspension member is fixed on the slide seat (26), the slide seat is movably matched on the slide rail (27), and the slide rail is installed on the cover plate (10).

5. The FPC cable bending method according to claim 1, wherein: A positioning groove (32) is provided at the bottom of the protection block (30), and the positioning groove is matched with the edge structure (11) of the cover plate.

6. The FPC cable bending method according to claim 1, wherein: The bending plate (40) is in a curved shape, the bending portion (41) is located at the bottom of the bending plate, a slider (42) is provided at the top of the bending plate, the slider is movably fitted in a slider groove of a top cover (43), the top cover is fixed on the cover plate, a clearance groove (45) is provided on the top cover, a lever (46) is fitted in the clearance groove, and the lever is fixedly connected to the slider.

7. The FPC cable bending method according to claim 1, wherein: The pressure head (50) is arranged on a lifting mechanism (51), the lifting mechanism is arranged on a turntable (52), and a turntable carrier (53) is arranged on the turntable; after the bending plate (40) on the cover plate (10) is translated toward the tail end of the FPC cable, the assembled product carrier and the cover plate are positioned on the turntable carrier, and under the drive of the lifting mechanism, the pressure head (50) presses and maintains the pressure on the bending part of the FPC cable.

8. The FPC cable bending method according to claim 2, wherein: The bottom end of the pressure head (50) is provided with an arc-shaped recessed structure (501), which is shaped like the rounded corner of the wedge-shaped portion and is pressed on the rounded corner of the wedge-shaped portion.

9. The FPC cable bending method according to claim 7, wherein: The lifting mechanism (51) comprises a lifting seat (54) and a pressing seat (55), a vertical guide rail (56) is arranged on the lifting seat, the pressing seat and the vertical guide rail are movably matched, a counterweight block (57) is arranged on the pressing seat, and a pressure head (50) is arranged on the pressing seat.

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