A FPC bending fixture
By using magnets to fix the pressing parts in the FPC bending fixture, the problem of FPC not being fixed and offset during the bending process is solved, and the FPC bending effect with higher quality and efficiency is achieved.
Patent Information
- Application Number
- CN202421427593.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-21
AI Technical Summary
The existing FPC bending fixtures have the problem of the FPC being not fixed during operation, which leads to the FPC being easily offset and not being properly aligned during bending, which in turn affects the quality of the FPC.
An FPC bending fixture is designed, including a press-fit base plate, a press-fit cover plate and a press-fit piece for fixing the FPC to be bent. By providing magnets on the pressing base plate and pressing cover plate, the pressing member is fixed by the adsorption of the magnet, ensuring that the FPC remains stable during bending.
This FPC bending treatment effectively improves the bending effect, avoids FPC running and bending offset, improves the quality and efficiency of FPC bending, and is convenient and fast to operate.
Smart Images
Figure CN222727391U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of FPC bending, in particular to an FPC bending jig. Background Art
[0002] The rapid development of the mobile phone industry has directly promoted the development of mobile phone camera modules. To obtain a camera module with high pixels and small size, the common method is to seal the camera module to the FPC soft board, and then integrate the camera module into the inner cavity of the mobile phone after the FPC soft board is bent, which greatly reduces the volume occupied by the camera module. The existing FPC bending jig has the problem of loose FPC fixation during operation, which causes the FPC to shift during the FPC bending process, resulting in the first FPC steel sheet on the FPC being unable to align and fit with the second FPC steel sheet, which in turn causes abnormal phenomena such as skewness during FPC bending, affecting the quality of the FPC. Utility Model Content
[0003] In order to solve the above problems, the utility model provides an FPC bending jig, comprising a pressing base plate, a pressing cover plate and a pressing piece for fixing the FPC to be bent, one side of the pressing cover plate is hinged to the pressing base plate and has a bending position covering the pressing base plate and an open position deviating from the bending position, the pressing base plate is provided with a first FPC placement area for accommodating part of the FPC board to be bent, the first FPC placement area includes a first FPC steel sheet groove for accommodating the first FPC steel sheet of the FPC board, the pressing cover plate is provided with a second FPC placement area for accommodating part of the FPC board to be bent, the second FPC placement area includes a second FPC steel sheet groove for accommodating the second FPC steel sheet of the FPC board, the second FPC steel sheet groove is connected to the first FPC steel sheet groove, and when in the open position, the pressing piece is located in the second FPC placement area.
[0004] Furthermore, the pressing base plate is provided with a first constraint portion for constraining the pressing part to be pressed in the first FPC placement area, and the pressing cover plate is provided with a second constraint portion for constraining the pressing part to be pressed in the second FPC placement area, and the constraint effect of the first constraint portion on the pressing part is greater than the constraint effect of the second constraint portion on the pressing part.
[0005] Furthermore, the first restraining portion includes a first magnet for adsorbing the pressing part, and the second restraining portion includes a second magnet for adsorbing the pressing part. The adsorption effect of the first magnet on the pressing part is greater than that of the second magnet.
[0006] Furthermore, a pressing piece groove is provided on the pressing cover plate, and the pressing piece groove overlaps with a portion of the second FPC placement area. When the pressing piece is in the open position, the pressing piece is located in the pressing piece groove.
[0007] Furthermore, the bottoms of the first FPC placement area and the second FPC placement area are respectively provided with a plurality of vacuum holes for connecting to vacuum extraction equipment.
[0008] Furthermore, the first FPC placement area also includes a connector avoidance groove for accommodating an FPC connector, the connector avoidance groove is connected to the second FPC placement area, and the groove depth of the connector avoidance groove is greater than the groove depth of the second FPC placement area.
[0009] Furthermore, limit blocks are provided on both sides of the first FPC steel sheet groove, and limit block avoidance grooves are provided on the pressed cover plate. When located at the bending position, the limit blocks are inserted into the limit block avoidance grooves.
[0010] Furthermore, a bending avoidance groove is provided between the second FPC steel sheet groove and the first FPC steel sheet groove.
[0011] Furthermore, the first FPC placement area and the second FPC placement area also respectively include a silicone air-avoiding groove for accommodating a silicone sleeve of the FPC board.
[0012] Furthermore, a handle is connected to the pressed cover plate, or the pressed cover plate is connected to a driving component for driving the pressed cover plate to switch between a bent position and an open position.
[0013] Due to the adoption of the above technical solution, the utility model has the following beneficial effects compared with the prior art:
[0014] 1) The FPC bending jig provided by the utility model places the parts on both sides of the FPC to be bent in the first FPC placement area and the second FPC placement area respectively, fixes the FPC by a pressing piece, and then rotates the pressing cover plate to achieve the bending operation of the FPC. The utility model has a simple structure and is quick to operate, which can effectively improve the bending effect, avoid FPC displacement and bending deviation, improve the defective rate of FPC bending, and improve the FPC bending quality and bending efficiency.
[0015] 2) The FPC bending jig provided by the utility model has magnets on the pressing base plate and the pressing cover plate respectively. According to the adsorption effect of the magnets, before bending, the pressing part is adsorbed on the pressing cover plate, and after bending, the pressing part is adsorbed on the pressing base. The bent FPC can be directly taken out, which is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 A schematic diagram of the structure of the bending jig provided by the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of the pressed bottom plate and the pressed cover plate in the bending jig provided by the utility model;
[0019] Figure 3 It is a structural schematic diagram of the FPC board in a state to be bent;
[0020] Figure 4 This is a schematic diagram of the structure of the FPC board after bending;
[0021] Figure 5 This is a schematic diagram of the structure of the pressing base plate in the bending jig provided by the utility model;
[0022] Figure 6 This is a schematic diagram of the structure of the press-fit cover plate in the bending jig provided by the utility model;
[0023] Figure 7 This is a schematic structural diagram of a hinge in a bending jig provided by the utility model.
[0024] 1-pressed base plate; 11-first magnet; 12-first FPC steel sheet groove; 13-limiting block; 14-connector air avoidance groove; 15-first silicone air avoidance groove; 16-first positioning part; 2-pressed cover plate; 21-second magnet; 22-pressed component groove; 23-second FPC steel sheet groove; 24-limiting block air avoidance groove; 25-bending air avoidance groove; 26-second silicone air avoidance groove; 27-handle; 28-second positioning part; 3-pressed component; 4-FPC board; 41-first FPC steel sheet; 42-second FPC steel sheet; 43-connector; 44-silicone sleeve; 5-vacuum hole; 6-hinge; 61-screw hole. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. In the drawings, the size and relative size of some parts may be enlarged for clarity.
[0026] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connection" and "connected" should be interpreted in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0027] In the description of the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "center", "horizontal", "vertical", "top", "bottom", "inside" and "outside" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.
[0028] In addition, in the description of the present invention, the terms "first" and "second" are only used to distinguish in the description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.
[0029] As the instruction manual Figure 1 As shown, the utility model provides an FPC bending jig, comprising a pressing base plate 1, a pressing cover plate 2 and a pressing piece 3 for fixing the FPC to be bent, one side of the pressing cover plate 2 is hinged on the pressing base plate 1 and has a bending position covering the pressing base plate 1 and an open position deviating from the bending position, the pressing base plate 1 is provided with a first FPC placement area for accommodating a part of the FPC board to be bent, the first FPC placement area includes a first FPC steel sheet groove 12 for accommodating a first FPC steel sheet 41, the pressing cover plate 2 is provided with a second FPC placement area for accommodating a part of the FPC board to be bent, the second FPC placement area includes a second FPC steel sheet groove 23 for accommodating a second FPC steel sheet 42, the second FPC steel sheet groove 23 is connected to the first FPC steel sheet groove 12, and when in the open position, the pressing piece 3 is located in the second FPC placement area.
[0030] Preferably, the pressing piece 3 is a pressed steel sheet.
[0031] Specifically, as shown in the attached manual Figure 3 As shown in the figure, it is a schematic diagram of the structure of the FPC board 4 to be bent, as shown in the appendix of the manual. Figure 4As shown, it is a schematic diagram of the structure of the FPC board 4 after bending; wherein, the FPC board 4 includes a first FPC steel sheet 41 and a second FPC steel sheet 42. After bending, the second FPC steel sheet 42 is bent and fitted with the first FPC steel sheet 41. The FPC board 4 also includes a connector 43 and a silicone sleeve 44. The shape and size of the first FPC placement area and the second FPC placement area are adapted to the FPC board 4. When the FPC board 4 is placed on the fixture, the first FPC steel sheet 41 is located on the pressing base plate 1, the second FPC steel sheet 42 is located on the pressing cover plate 2, and the pressing piece 3 is arranged on the pressing cover plate 2. The FPC board 4 is fixed, and the pressing cover plate 2 is rotated to be bent, so that the second FPC steel sheet and the first FPC steel sheet are fitted correspondingly, and the bending operation of the FPC board 4 is completed.
[0032] Preferably, at least one group of first FPC placement areas and second FPC placement areas are respectively provided on the pressed base plate 1 and the pressed cover plate 2 for FPC bending. To improve the bending efficiency, multiple FPC boards 4 can be bent at the same time. Then, multiple first FPC placement areas are provided on the pressed base plate 1, and multiple second FPC placement areas are provided on the pressed cover plate 2. The second FPC placement areas are provided in one-to-one correspondence with the first FPC placement areas. The number of placement areas can be set according to actual needs, and each placement area is distributed in sequence along the horizontal direction of the jig.
[0033] Preferably, the second FPC placement area is a accommodating groove with a certain depth to accommodate the FPC board 4. The second FPC placement area is U-shaped, and its shape and size are adapted to the FPC board 4. The second FPC steel sheet groove 23 is arranged on a vertical side of the U-shape and is arranged corresponding to the first FPC steel sheet groove 12. The other vertical side of the U-shape is connected to the first FPC placement area.
[0034] Preferably, the pressing base plate 1 is provided with a first constraint portion for constraining the pressing part 3 to be pressed in the first FPC placement area, and the pressing cover plate 2 is provided with a second constraint portion for constraining the pressing part 3 to be pressed in the second FPC placement area. The constraint effect of the first constraint portion on the pressing part 3 is greater than the constraint effect of the second constraint portion on the pressing part 3. When in the open position, the pressing part 3 is located on the pressing cover plate 3.
[0035] As one of the specific implementation methods, as shown in the attached specification Figure 2 , 5As shown in and 6, the first constraint portion includes a first magnet 11 for adsorbing the pressing piece 3, and the second constraint portion includes a second magnet 21 for adsorbing the pressing piece 3, and the adsorption effect of the first magnet 11 on the pressing piece 3 is greater than the adsorption effect of the second magnet 21; the pressing piece 3 is arranged in the non-bending area of the FPC board 4, and is flush with the front end of the FPC board 4. Before bending, the pressing piece 3 is attached to the pressing cover plate 2 by the second magnet 21, and the FPC board 4 is fixed, and is located in the bending position. The pressing piece 3 is located between the pressing cover plate 2 and the pressing base plate 1, and the adsorption effect of the first magnet 11 is greater than that of the second magnet 21, so that the pressing piece 3 is adsorbed on the pressing base plate 1. Before bending, the pressing piece 3 is located at the end of the second FPC placement area away from the pressing base plate 1. After bending, the pressing piece 3 is located below the FPC board 4, and the bent FPC board 4 can be directly taken out, which is convenient and quick.
[0036] As one of the specific implementations, the number of the first magnets 11 is twice the number of the second magnets 21, which can provide a greater adsorption effect. The first magnet area and the second magnet area are arranged corresponding to the position of the pressing part 3, located at the bending position, and the second magnet area is located directly above the first magnet area.
[0037] In an optimized implementation, the pressing cover plate 2 is provided with a pressing piece groove 22, the pressing piece groove 22 overlaps with a part of the second FPC placement area, the pressing piece groove 22 is parallel to the horizontal direction (i.e., the length direction) of the pressing cover plate, and can simultaneously fix and limit multiple FPC boards 4, and the second magnet 21 is arranged at the bottom of the pressing piece groove 22 and avoids the FPC board 4. The pressing piece groove 22 is provided with chamfers around it, and when it is in the open position, the pressing piece 3 is located in the pressing piece groove 22.
[0038] In an optimized implementation manner, the first FPC placement area includes a first FPC steel sheet groove 12 for accommodating a first FPC steel sheet 41, and the second FPC placement area includes a second FPC steel sheet groove 23 for accommodating a second FPC steel sheet 42. When in the open position, the second FPC steel sheet groove 23 is connected to the first FPC steel sheet groove 12. When in the bent position, the second FPC steel sheet groove 23 is located directly above the first FPC steel sheet groove 12, so that the second FPC steel sheet 42 corresponds to and fits with the first FPC steel sheet 41, and the groove depth of the first FPC steel sheet groove 12 is greater than the groove depth of the second FPC steel sheet groove 23.
[0039] In an optimized implementation manner, limit blocks 13 are provided on both sides of the first FPC steel sheet groove 12, and a limit block avoidance groove 24 is provided on the pressed cover plate 2. When in the bending position, the limit block 13 is inserted into the limit block avoidance groove 24, and the limit block 13 can limit the first FPC steel sheet 41 to avoid displacement during bending. After bending, the second FPC steel sheet 42 is aligned and fitted with the first FPC steel sheet 41, and the limit block 13 can limit the second FPC steel sheet 42.
[0040] In an optimized implementation manner, a bending avoidance groove 25 is provided between the second FPC steel sheet groove 23 and the first FPC steel sheet groove 12 , and the bending avoidance groove 25 is provided on the side wall of the pressed cover plate 2 close to the hinged end, serving as an avoidance space for the FPC board 4 to bend.
[0041] In an optimized implementation manner, a plurality of vacuum holes 5 are respectively provided at the bottom of the first FPC placement area and the second FPC placement area, and the vacuum holes 5 are connected to the vacuum pumping equipment through pipelines; specifically, the vacuum holes 5 are provided at the bottom of the second FPC placement area, and the vacuum holes 5 of the pressed cover plate 2 are connected to the vacuum pumping equipment through pipelines, and a pipeline joint is provided at each end of the pressed cover plate 2; a vacuum hole is provided at the bottom of the first FPC steel sheet groove 12 of the pressed base plate 1, and a pipeline joint is provided on the pressed base plate 1, and the product to be bent is fixed by vacuum adsorption to avoid dimensional displacement after bending, and the adsorption force of the vacuum hole 5 can be adjusted by adjusting the pressure of the vacuum pumping equipment to cooperate with the bending operation.
[0042] According to an optimized implementation method, the first FPC placement area also includes a connector avoidance groove 14 for accommodating an FPC connector 43. The connector avoidance groove 14 is a through groove that passes through the pressed base plate and can be used to accommodate the FPC connector 43. When it is in the open position, the connector avoidance groove 14 is connected to the second FPC placement area. The connector avoidance groove 14 is located at the extended position of the pressed cover plate FPC board, and its length exceeds the length of the FPC. The back of the connector avoidance groove 14 needs to be chamfered at 45 degrees, and the chamfer is greater than 5 mm to avoid the FPC connector from getting caught when taking materials.
[0043] Preferably, the width of the connector avoidance groove 14 is greater than the width of the second FPC placement area, and the depth is greater than the depth of the second FPC placement area, which can facilitate accommodating the FPC board and facilitating the removal of the FPC board after bending.
[0044] The jig is suitable for use with FPC boards 4 of longer lengths. A bracket is set at the bottom of the pressing base plate 1 and the pressing cover plate 2 to increase the height of the jig to meet the needs of FPC boards 4 of different lengths. The FPC connector 43 and the excess part of the FPC board 4 can be placed in the connector avoidance groove 14.
[0045] In an optimized implementation manner, the first FPC placement area also includes a first silicone air avoidance groove 15 for accommodating the silicone sleeve 44 of the FPC board 4, and the second FPC placement area also includes a second silicone air avoidance groove 26 for avoiding the silicone sleeve 44 after bending. When in the bending position, the second silicone air avoidance groove 26 is located directly above the first silicone air avoidance groove 15.
[0046] In an optimized implementation mode, a handle 27 is connected to the pressed cover plate 2, or the pressed cover plate 2 is connected to a driving component for driving the pressed cover plate 2 to switch between the bent position and the open position. The pressed base plate 1 and the pressed cover plate 2 are hinged by a hinge 6. In this embodiment, a handle 27 can be connected to the side of the pressed cover plate 2 opposite to the side connected to the hinge 6, and semi-automatic bending and bonding can be achieved by manually rotating the pressed cover plate 2; the pressed cover plate 2 can also be connected to a driving component for pushing the pressed cover plate 2 to rotate around the hinge, and the pressed cover plate 2 can be automatically rotated by the driving component to achieve automatic bending and bonding; wherein the driving component can be in the form of a motor and a swing shaft. This embodiment can improve product yield, product production efficiency, and product quality, while optimizing the production process and providing employees with a convenient and efficient working environment.
[0047] In order to optimize the implementation method and avoid damage to the product to be bent, each groove is provided with a chamfer, and the size of each groove is slightly larger than the size of the corresponding area of the product to be bent.
[0048] Optimize the implementation method, as shown in the attached manual Figure 7 As shown, the screw hole 61 of the hinge 6 adopts a U-shaped groove, and the actual product bending position size can be changed by adjusting the position of the hinge 6. The height of the hinge 6 is seamless after the center circle axis and the pressed cover plate are covered. The distance between the hinged end of the pressed cover plate 2 and the pressed base plate 1 is adapted to facilitate the bending of the FPC board 4.
[0049] Preferably, the pressed base plate 1 is provided with a first positioning portion 16, and the pressed cover plate 2 is provided with a second positioning portion 28 which is positioned and matched with the first positioning portion 16, the first positioning portion 16 is a positioning column, and the second positioning portion 28 is a positioning hole, or the second positioning portion 28 is a positioning column, and the first positioning portion 16 is a positioning hole.
[0050] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0051] Those skilled in the art will appreciate that the present invention can be implemented in many other specific forms without departing from the spirit and scope of the present invention. Although the embodiments of the present invention have been described, it should be understood that the present invention should not be limited to this embodiment, and those skilled in the art can make changes and modifications within the spirit and scope of the present invention as defined by the attached claims.
Claims
1. An FPC bending jig, characterized in that: It includes a pressing base plate, a pressing cover plate and a pressing piece for fixing an FPC to be bent, one side of the pressing cover plate is hinged to the pressing base plate and has a bending position covering the pressing base plate and an open position deviating from the bending position, the pressing base plate is provided with a first FPC placement area for accommodating a part of the FPC board to be bent, the first FPC placement area includes a first FPC steel sheet groove for accommodating a first FPC steel sheet of the FPC board, the pressing cover plate is provided with a second FPC placement area for accommodating a part of the FPC board to be bent, the second FPC placement area includes a second FPC steel sheet groove for accommodating a second FPC steel sheet of the FPC board, the second FPC steel sheet groove is connected to the first FPC steel sheet groove, and when in the open position, the pressing piece is located in the second FPC placement area.
2. The FPC bending jig according to claim 1, characterized in that: The pressing base plate is provided with a first restraining portion for restraining the pressing part to be pressed in the first FPC placement area, and the pressing cover plate is provided with a second restraining portion for restraining the pressing part to be pressed in the second FPC placement area. The restraining effect of the first restraining portion on the pressing part is greater than the restraining effect of the second restraining portion on the pressing part.
3. The FPC bending jig according to claim 2, characterized in that: The first restraining part includes a first magnet for adsorbing the pressing part, and the second restraining part includes a second magnet for adsorbing the pressing part. The adsorption effect of the first magnet on the pressing part is greater than that of the second magnet.
4. The FPC bending jig according to claim 1, characterized in that: The pressing cover plate is provided with a pressing piece groove, and the pressing piece groove overlaps with a portion of the second FPC placement area. When the pressing piece is in the open position, the pressing piece is located in the pressing piece groove.
5. The FPC bending jig according to claim 1, characterized in that: The bottoms of the first FPC placement area and the second FPC placement area are respectively provided with a plurality of vacuum holes for connecting to vacuum equipment.
6. The FPC bending jig according to claim 1, characterized in that: The first FPC placement area also includes a connector avoidance groove for accommodating an FPC connector, the connector avoidance groove is communicated with the second FPC placement area, and the groove depth of the connector avoidance groove is greater than the groove depth of the second FPC placement area.
7. The FPC bending jig according to claim 1, characterized in that: Limit blocks are provided on both sides of the first FPC steel sheet groove, and the pressing cover plate is provided with a limit block avoidance groove. When located at the bending position, the limit blocks are inserted into the limit block avoidance groove.
8. The FPC bending jig according to claim 1, characterized in that: A bending avoidance groove is provided between the second FPC steel sheet groove and the first FPC steel sheet groove.
9. The FPC bending jig according to claim 1, characterized in that: The first FPC placement area and the second FPC placement area also respectively include a silicone air-avoiding groove for accommodating a silicone sleeve of the FPC board.
10. The FPC bending jig according to claim 1, characterized in that: The pressed cover plate is connected to a handle, or the pressed cover plate is connected to a driving component for driving the pressed cover plate to switch between a bent position and an open position.