A high-precision FPC cable positioning device

By designing a high-precision FPC cable positioning device, the circuit board and FPC cable are accurately positioned using an adjusting rod and threaded connection structure, which solves the problem of positional offset during the welding process and improves welding stability and applicability.

CN224439318UActive Publication Date: 2026-06-30SHENZHEN QUANZHENG OPTOELECTRONIC TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202521498916.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-17
Publication Date
2026-06-30
Estimated Expiration
2035-07-17

Smart Images

  • Figure CN224439318U_ABST
    Figure CN224439318U_ABST
Patent Text Reader

Abstract

This utility model discloses a high-precision FPC cable positioning device, relating to the field of FPC cables. It includes a main frame and a first adjusting rod penetrating the main frame. A first slider is sleeved on the first adjusting rod, and a movable groove is fixedly connected to the first slider. A second adjusting rod is penetrating the movable groove, and two sets of second sliders are sleeved on the second adjusting rod. A clamping seat is fixedly connected to the second slider, and a third adjusting rod is penetrating the upper side of the clamping seat. A pressure plate is fixedly connected to the bottom end of the third adjusting rod. A horizontal groove is clamped to the upper side of the main frame, and a movable groove is provided on the upper side of the horizontal groove. The advantages of this utility model are: it can avoid relative positional misalignment between the FPC cable and the circuit board, achieving high-precision positioning of the FPC cable and the circuit board, significantly improving the stability of the FPC cable during the soldering process, and enabling precise soldering of the FPC cable to different positions on the circuit board, making it highly applicable.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of FPC cables, and in particular to a high-precision FPC cable positioning device. Background Technology

[0002] FPC cable positioning devices are automated equipment specifically designed for high-precision positioning and fixation during the assembly of flexible printed circuit boards. Their core function is to ensure the stable and precise position of FPC cables during soldering, bonding, and testing processes using mechanical, optical, or pneumatic techniques, thereby meeting the process requirements of high-density electronic assembly.

[0003] Patent CN217037584U discloses an FPC cable assembly with an auxiliary positioning mechanism. One end of a rigid circuit board is inserted into a connector slot. Then, by moving the moving support bar and sliding block, the positioning pressure plate is moved to the welding point. Under the action of the positioning pressure plate, the flexible circuit board is positioned and fixed, and the rigid circuit board is fixed, thereby ensuring the accuracy of the welding point and the welding quality. It eliminates the need for manual fixing of the flexible circuit board, which facilitates the welding work for the staff. However, when the existing FPC cable is welded to the circuit board, both the circuit board and the FPC cable are prone to positional displacement due to external forces, which will affect the welding result and has relatively poor stability. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a high-precision FPC cable positioning device. When existing FPC cables are soldered onto circuit boards, both the circuit board and the FPC cables are prone to positional displacement due to external forces, which will affect the soldering results and result in relatively poor stability.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is a high-precision FPC cable positioning device, including a main frame and a first adjusting rod penetrating through the main frame. A first slider is sleeved on the first adjusting rod, and a movable groove is fixedly connected to the first slider. A second adjusting rod is penetrating through the movable groove. Two sets of second sliders are sleeved on the second adjusting rod. A clamping seat is fixedly connected to the second slider. A third adjusting rod is penetrating through the upper side of the clamping seat, and a pressure plate is fixedly connected to the bottom end of the third adjusting rod.

[0006] A transverse groove is fixedly connected to the upper side of the main frame. A movable groove is provided on the upper side of the transverse groove. A third threaded rod is passed through the movable groove. Two sets of movable blocks are sleeved on the third threaded rod. A limit rod is passed through the movable block. A positioning plate is fixedly connected to the bottom end of the limit rod. A threaded ring is threaded to the top end of the limit rod. A compression spring is sleeved on the limit rod.

[0007] As a further embodiment of this utility model: the first adjusting rod is provided with symmetrical threaded sections, and the first slider is threadedly connected to the first adjusting rod, and the first slider is located inside the main frame.

[0008] As a further embodiment of this utility model: the second adjusting rod is provided with symmetrical threaded sections, and the second slider is threadedly connected to the second adjusting rod, with the second slider located inside the movable groove.

[0009] As a further embodiment of this utility model: the clamping seat has a U-shaped cross-section, the pressure plate is located inside the clamping seat, and the third adjusting rod is threadedly connected to the clamping seat.

[0010] As a further embodiment of this utility model: the third threaded rod is provided with symmetrical threaded sections, the movable block is threadedly connected to the third threaded rod, the limiting rod is slidably connected to the movable block, and the compression spring is located between the positioning plate and the movable block.

[0011] As a further embodiment of this utility model: a first threaded rod is provided through the transverse groove, a movable block is sleeved on the first threaded rod, a longitudinal groove is fixedly connected to the movable block, a second threaded rod is provided through the longitudinal groove, and a movable plate is sleeved on the second threaded rod.

[0012] As a further embodiment of this utility model: the first threaded rod is threadedly connected to the moving block, and the moving block is located inside the transverse groove.

[0013] As a further embodiment of this utility model: the movable plate is threadedly connected to the second threaded rod, the cross-sectional shape of the movable plate is L-shaped, and the movable plate is engaged with the movable groove.

[0014] Compared with the prior art, the beneficial effects of this utility model include: firstly, rotating the first adjusting rod on the main frame to drive the two sets of first sliders to move relative to each other under the cooperation of the symmetrical threaded section, thereby driving the two sets of moving slots to move relative to each other; then rotating the second adjusting rod on the moving slot to drive the two sets of second sliders to move relative to each other under the cooperation of the symmetrical threaded section, thereby driving the clamping seats to move relative to each other. At this time, the four corners of the circuit board are respectively located inside the four sets of clamping seats, and the pressure plate presses the corners of the circuit board through the threaded connection between the third adjusting rod and the clamping seat; then rotating the third threaded rod on the movable slot to drive the two sets of movable blocks to move relative to each other under the cooperation of the symmetrical threaded section, thereby driving the two sets of positioning plates to move relative to each other. Under the action of the compression spring and the limiting rod, the two sets of positioning plates are always in close contact with the circuit board until the two sets of positioning plates limit the FPC cable. This can prevent the relative positional offset between the FPC cable and the circuit board, realize the high-precision positioning function of the FPC cable and the circuit board, and significantly improve the stability of the FPC cable in the welding process.

[0015] Compared with the prior art, the beneficial effects of this utility model include: firstly, rotating the first threaded rod on the transverse groove body, thereby driving the moving block to move laterally along the transverse groove body through the threaded connection between the first threaded rod and the moving block, and then driving the longitudinal groove body to move laterally; then rotating the second threaded rod on the longitudinal groove body, thereby driving the moving plate to move longitudinally along the longitudinal groove body through the threaded connection between the second threaded rod and the moving plate, and then driving the movable groove body to move longitudinally until the movable groove body is located at the welding point of the circuit board and the FPC cable, which can accurately weld the FPC cable to different positions on the circuit board, and has strong applicability. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a high-precision FPC cable positioning device in an embodiment of the present invention;

[0017] Figure 2 This is a schematic diagram of the connection structure of the main frame in an embodiment of this utility model;

[0018] Figure 3 This is a schematic diagram of the connection structure of the movable groove in an embodiment of this utility model;

[0019] Figure 4 This is a schematic diagram of the connection structure between the transverse groove and the longitudinal groove in an embodiment of this utility model.

[0020] In the diagram: 1. Main frame; 2. First adjusting rod; 3. First slider; 4. Moving groove; 5. Second adjusting rod; 6. Second slider; 7. Clamping seat; 8. Third adjusting rod; 9. Pressure plate; 10. Horizontal groove; 11. First threaded rod; 12. Moving block; 13. Longitudinal groove; 14. Second threaded rod; 15. Moving plate; 16. Movable groove; 17. Third threaded rod; 18. Movable block; 19. Limiting rod; 20. Positioning plate; 21. Threaded ring; 22. Compression spring. Detailed Implementation

[0021] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] Example 1, please refer to Figures 1-4A high-precision FPC cable positioning device includes a main frame 1 and a first adjusting rod 2 penetrating the main frame 1. A first slider 3 is sleeved on the first adjusting rod 2. A movable groove 4 is fixedly connected to the first slider 3. A second adjusting rod 5 is penetrating the movable groove 4. Two sets of second sliders 6 are sleeved on the second adjusting rod 5. A clamping seat 7 is fixedly connected to the second slider 6. A third adjusting rod 8 is penetrating the upper side of the clamping seat 7. A pressure plate 9 is fixedly connected to the bottom end of the third adjusting rod 8. A horizontal groove 10 is clamped to the upper side of the main frame 1. A movable groove 16 is provided on the upper side of the horizontal groove 10. A third threaded rod 17 is penetrating the movable groove 16. Two sets of movable blocks 18 are sleeved on the third threaded rod 17. A limit rod 19 is penetrating the movable block 18. A positioning plate 20 is fixedly connected to the bottom end of the limit rod 19. A threaded ring 21 is threaded to the top end of the limit rod 19. A compression spring 22 is sleeved on the limit rod 19.

[0023] The first adjusting rod 2 is provided with symmetrical threaded sections, and the first slider 3 is threadedly connected to the first adjusting rod 2. The first slider 3 is located inside the main frame 1.

[0024] In this embodiment, the first adjusting rod 2 is threadedly connected to the first slider 3 so that the two sets of first sliders 3 can move relative to each other.

[0025] The second adjusting rod 5 is provided with symmetrical threaded sections, and the second slider 6 is threadedly connected to the second adjusting rod 5. The second slider 6 is located inside the moving groove 4.

[0026] In this embodiment, the second adjusting rod 5 is threadedly connected to the second slider 6 so that the two sets of second sliders 6 can move relative to each other.

[0027] The clamping seat 7 has a U-shaped cross-section, the pressure plate 9 is located inside the clamping seat 7, and the third adjusting rod 8 is threadedly connected to the clamping seat 7.

[0028] In this embodiment, the third adjusting rod 8 is threadedly connected to the clamping seat 7 to facilitate the lifting and lowering of the pressure plate 9.

[0029] The third threaded rod 17 is provided with symmetrical threaded sections, the movable block 18 is threadedly connected to the third threaded rod 17, the limiting rod 19 is slidably connected to the movable block 18, and the compression spring 22 is located between the positioning plate 20 and the movable block 18.

[0030] In this embodiment, the movable block 18 is threadedly connected to the third threaded rod 17 so that the two sets of movable blocks 18 can move relative to each other.

[0031] Specifically, firstly, the first adjusting rod 2 on the main frame 1 is rotated to drive the two sets of first sliders 3 to move relative to each other under the cooperation of the symmetrical threaded sections, thereby driving the two sets of moving slots 4 to move relative to each other. Then, the second adjusting rod 5 on the moving slot 4 is rotated to drive the two sets of second sliders 6 to move relative to each other under the cooperation of the symmetrical threaded sections, thereby driving the clamping seats 7 to move relative to each other. At this time, the four corners of the circuit board are respectively located inside the four sets of clamping seats 7, and the pressure plate 9 presses the corners of the circuit board through the threaded connection between the third adjusting rod 8 and the clamping seat 7. Next, the third threaded rod 17 on the movable slot 16 is rotated to drive the two sets of movable blocks 18 to move relative to each other under the cooperation of the symmetrical threaded sections, thereby driving the two sets of positioning plates 20 to move relative to each other. Under the action of the compression spring 22 and the limiting rod 19, the two sets of positioning plates 20 are always in close contact with the circuit board until the two sets of positioning plates 20 limit the FPC cable. This can prevent the relative positional offset between the FPC cable and the circuit board, realize the high-precision positioning function of the FPC cable and the circuit board, and significantly improve the stability of the FPC cable in the welding process.

[0032] Example 2, please refer to Figures 1-4 A high-precision FPC cable positioning device, wherein a first threaded rod 11 is provided through the horizontal groove 10, a moving block 12 is sleeved on the first threaded rod 11, a vertical groove 13 is fixedly connected to the moving block 12, a second threaded rod 14 is provided through the vertical groove 13, and a moving plate 15 is sleeved on the second threaded rod 14.

[0033] The first threaded rod 11 is threadedly connected to the movable block 12, and the movable block 12 is located inside the transverse groove 10.

[0034] In this embodiment, the first threaded rod 11 is threadedly connected to the moving block 12 so that the longitudinal groove 13 can be moved.

[0035] The movable plate 15 is threadedly connected to the second threaded rod 14. The cross-sectional shape of the movable plate 15 is L-shaped, and the movable plate 15 is engaged with the movable groove 16.

[0036] In this embodiment, the second threaded rod 14 is threadedly connected to the movable plate 15 so that the movable plate 15 can be moved.

[0037] Specifically, firstly, the first threaded rod 11 on the transverse groove 10 is rotated, thereby driving the moving block 12 to move laterally along the transverse groove 10 through the threaded connection between the first threaded rod 11 and the moving block 12, which in turn drives the longitudinal groove 13 to move laterally. Then, the second threaded rod 14 on the longitudinal groove 13 is rotated, thereby driving the moving plate 15 to move longitudinally along the longitudinal groove 13 through the threaded connection between the second threaded rod 14 and the moving plate 15, which in turn drives the movable groove 16 to move longitudinally until the movable groove 16 is located at the soldering point between the circuit board and the FPC cable. This allows the FPC cable to be precisely soldered to different positions on the circuit board, making it highly versatile.

[0038] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A high-precision FPC flat cable positioning device comprising a main frame body (1), characterized in that: It also includes a first adjusting rod (2) that penetrates the main frame (1), a first slider (3) that is sleeved on the first adjusting rod (2), a movable groove (4) that is fixedly connected to the first slider (3), a second adjusting rod (5) that is through the movable groove (4), two sets of second sliders (6) that are sleeved on the second adjusting rod (5), a clamping seat (7) that is fixedly connected to the second slider (6), a third adjusting rod (8) that is through the upper side of the clamping seat (7), and a pressure plate (9) that is fixedly connected to the bottom end of the third adjusting rod (8). The upper side of the main frame (1) is fixedly connected to a transverse groove (10). A movable groove (16) is provided on the upper side of the transverse groove (10). A third threaded rod (17) is provided through the movable groove (16). Two sets of movable blocks (18) are sleeved on the third threaded rod (17). A limit rod (19) is provided through the movable block (18). A positioning plate (20) is fixedly connected to the bottom end of the limit rod (19). A threaded ring (21) is threaded to the top end of the limit rod (19). A compression spring (22) is sleeved on the limit rod (19).

2. The high-precision FPC cable positioning device according to claim 1, characterized in that: The first adjusting rod (2) is provided with symmetrical threaded sections, and the first slider (3) is threadedly connected to the first adjusting rod (2). The first slider (3) is located inside the main frame (1).

3. The high-precision FPC cable positioning device according to claim 1, characterized in that: The second adjusting rod (5) is provided with symmetrical threaded sections, and the second slider (6) is threadedly connected to the second adjusting rod (5). The second slider (6) is located inside the moving groove (4).

4. The high-precision FPC cable positioning device according to claim 1, characterized in that: The clamping seat (7) has a U-shaped cross-section, the pressure plate (9) is located inside the clamping seat (7), and the third adjusting rod (8) is threadedly connected to the clamping seat (7).

5. The high-precision FPC cable positioning device according to claim 1, characterized in that: The third threaded rod (17) is provided with symmetrical threaded sections, the movable block (18) is threadedly connected to the third threaded rod (17), the limiting rod (19) is slidably connected to the movable block (18), and the compression spring (22) is located between the positioning plate (20) and the movable block (18).

6. The high-precision FPC cable positioning device according to claim 1, characterized in that: A first threaded rod (11) is provided through the transverse groove (10), a movable block (12) is sleeved on the first threaded rod (11), a longitudinal groove (13) is fixedly connected to the movable block (12), a second threaded rod (14) is provided through the longitudinal groove (13), and a movable plate (15) is sleeved on the second threaded rod (14).

7. A high-precision FPC cable positioning device according to claim 6, characterized in that: The first threaded rod (11) is threadedly connected to the moving block (12), and the moving block (12) is located inside the transverse groove (10).

8. A high-precision FPC cable positioning device according to claim 6, characterized in that: The movable plate (15) is threadedly connected to the second threaded rod (14). The movable plate (15) has an L-shaped cross-section and is engaged with the movable groove (16).

Citation Information

Patent Citations

  • FPC flat cable assembly with auxiliary positioning mechanism

    CN217037584U