Flexible printed circuit (FPC) magnetic fixing clamp

By designing a FPC magnetic fixing fixture, the two-side mounting of the FPC is achieved by using magnets and air-avoiding grooves, and ensuring firm tightening through magnetic connections, the problem of difficulty in achieving two-side mounting of the FPC in the prior art is solved, and the mounting success rate is improved.

CN222996791UActive Publication Date: 2025-06-17ZHUHAI CHENGTAI ELECTRONICS CO LTD
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Patent Information

Application Number
CN202422208240.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-06-17
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

It is difficult to achieve two-side mounting of existing FPC patch tooling fixtures, which can easily lead to components being crushed or not being pressed firmly, resulting in mounting failure.

Method used

A magnetic fixing fixture of FPC is designed to achieve both sides of the FPC by setting a magnet and the first component air evacuation slot on the base, and the FPC is firmly tightened during the mounting process through magnetic connection.

Benefits of technology

The two-side mounting of FPC is realized to ensure that the components are firmly pressed during the mounting process, avoiding the problems of components being crushed or not being pressed firmly, and improving the mounting success rate.

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Abstract

The utility model discloses an FPC magnetic force fixing clamp which comprises a top seat provided with a paster limiting groove, an FPC limiting groove and a plurality of first component receding grooves, the paster limiting groove is formed in the face, away from a base, of the top seat, the FPC limiting groove is formed in the groove bottom of the paster limiting groove, and the first component receding grooves are formed in the FPC limiting groove. A plurality of grooves are formed in the face, close to the base, of the top base, fillers are arranged in notches of the grooves, and magnets are arranged between the grooves and the fillers. The magnet is arranged on one face of the base, the first component receding groove is formed in the other face of the base, when the FPC is used, the face, where a component is attached, of the FPC is aligned and placed on the FPC limiting groove, the component of the FPC can be subjected to receding in the first component receding groove, then the metal patch is magnetically connected to the patch limiting groove, and therefore the FPC is fixed to the top base; therefore, the FPC can be firmly pressed in the mounting process, so that two-side mounting can be realized in a chip mounter.
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Description

Technical Field

[0001] The utility model relates to the technical field of FPC fixtures, in particular to an FPC magnetic fixing fixture. Background Art

[0002] In the FPC chip mounting processing technological process, it is necessary to mount components on the FPC. First, the FPC is installed and fixed, and then electronic components are accurately mounted on the corresponding positions of the FPC through a chip mounter, ensuring that the mounting positions and directions of the components are accurate. However, the conventional chip mounting tooling fixtures can only mount on one side of the FPC. If double-sided mounting is carried out, the components on the side of the FPC that has been well-mounted will be damaged, and at the same time, the pressing will not be firm, resulting in mounting failure. Content of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, the utility model provides an FPC magnetic fixing fixture, which can realize double-sided mounting, and through magnetic connection, the FPC is firmly pressed during the mounting process.

[0004] An FPC magnetic fixing fixture according to an embodiment of the utility model includes:

[0005] A base;

[0006] A top seat, the top seat is detachably connected to the base, the top seat is provided with a chip mounting limit groove, an FPC limit groove and a plurality of first component clearance grooves. The chip mounting limit groove is arranged on the side of the top seat away from the base, the FPC limit groove is arranged at the bottom of the chip mounting limit groove, and a plurality of the first component clearance grooves are arranged in the FPC limit groove. A plurality of grooves are arranged on the side of the top seat close to the base, fillers are arranged at the openings of all the grooves, and magnets are arranged between the grooves and the fillers;

[0007] A metal chip, the metal chip is magnetically connected to the chip mounting limit groove, and the metal chip and the chip mounting limit groove match each other. The metal chip is provided with a second component clearance groove.

[0008] According to some embodiments of the utility model, a first alignment post is arranged on the top surface of the base, and a plurality of first alignment holes are arranged on the top seat. The first alignment post and the plurality of first alignment holes are aligned and matched with each other.

[0009] According to some embodiments of the present utility model, a plurality of second alignment posts are further provided on the top surface of the base, a plurality of second alignment holes are provided on the FPC limiting groove of the top seat, and a plurality of third alignment holes are provided on the metal patch. The plurality of second alignment posts, the plurality of second alignment holes and the plurality of third alignment holes are mutually matched and their positions correspond one by one.

[0010] According to some embodiments of the present utility model, the first component clearance grooves are arranged in a matrix on the FPC limiting groove.

[0011] According to some embodiments of the present utility model, the second component clearance grooves are arranged in a matrix on the metal patch.

[0012] According to some embodiments of the present utility model, the base is further provided with a material taking port, and the material taking port is arranged at the edge of the base.

[0013] According to some embodiments of the present utility model, the plurality of grooves are arranged in a matrix on the surface of the top seat close to the base.

[0014] According to some embodiments of the present utility model, the top seat is further provided with a material taking groove, and part or all of the material taking groove is arranged on the patch limiting groove.

[0015] Compared with the prior art, the present utility model has the following beneficial effects:

[0016] The FPC magnetic fixing fixture provided by the present utility model has a magnet provided on one surface of the base and a first component clearance groove provided on the other surface. During use, the surface of the FPC with components attached is aligned and placed on the FPC limiting groove, so that the components of the FPC can be cleared in the first component clearance groove, and then the metal patch is magnetically connected to the patch limiting groove, thereby fixing the FPC on the top seat, enabling the FPC to be firmly pressed during the mounting process, and thus enabling double-sided mounting in the mounter. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0018] Figure 1 is a schematic structural diagram of the FPC magnetic fixing fixture provided by the present utility model;

[0019] Figure 2 is Figure 1 one of the exploded views;

[0020] Figure 3 is Figure 1 the second of the exploded views;

[0021] Figure 4 is Figure 1 the front view of

[0022] Figure 5 the structural schematic diagram of the top seat in the present utility model;

[0023] Figure 6 is Figure 5 the exploded schematic diagram of

[0024] The markings in the figure are explained as follows:

[0025] Base 100, first alignment post 110, second alignment post 120, material taking port 130, top seat 200, chip placement limiting groove 210, FPC limiting groove 220, first component clearance groove 230, groove 240, filler 250, magnet 260, first alignment hole 270, second alignment hole 280, material taking groove 290, metal patch 300, second component clearance groove 310, third alignment hole 320. Specific embodiments

[0026] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation to the present utility model.

[0027] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model.

[0028] In the description of the present utility model, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood as not including the present number, and above, below, within, etc. are understood as including the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0029] In the description of the present utility model, unless otherwise clearly defined, words such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the relevant technical field can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.

[0030] Specifically, please refer to Figures 1-6 , the FPC magnetic fixing fixture specifically includes:

[0031] A base 100;

[0032] A top base 200, the top base 200 is detachably connected to the base 100. The top base 200 is provided with a patch limiting groove 210, an FPC limiting groove 220 and a plurality of first component clearance grooves 230. The patch limiting groove 210 is arranged on the side of the top base 200 away from the base 100. The FPC limiting groove 220 is arranged at the bottom of the patch limiting groove 210. A plurality of first component clearance grooves 230 are arranged on the inner side of the FPC limiting groove 220 close to the base 100. The top base 200 is provided with a plurality of grooves 240. Fillers 250 are arranged at the openings of all the grooves 240. Magnets 260 are arranged between the grooves 240 and the fillers 250;

[0033] A metal patch 300, the metal patch 300 is magnetically connected to the patch limiting groove 210, and the metal patch 300 and the patch limiting groove 210 match each other. The metal patch 300 is provided with a second component clearance groove 310.

[0034] For the FPC magnetic fixing fixture provided by the present utility model, by arranging a magnet 260 on one side of the base 100 and a first component clearance groove 230 on the other side, during use, the side of the FPC with components attached is aligned and placed on the FPC limiting groove 220, so that the components of the FPC can have clearance in the first component clearance groove 230. Then, the metal patch 300 is magnetically connected to the patch limiting groove 210, so that the FPC is fixed on the top base 200, enabling the FPC to be firmly pressed during the soldering process, and thus enabling double-sided soldering in the soldering machine.

[0035] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0036] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments can be combined with each other.

[0037] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Embodiment 1

[0038] Please refer to Figures 1-6 , an FPC magnetic fixing fixture, which includes a base 100;

[0039] The top base 200 is detachably connected to the bottom base 100. The top base 200 is provided with a patch limiting groove 210, an FPC limiting groove 220, and a plurality of first component clearance grooves 230. The patch limiting groove 210 is arranged on the side of the top base 200 away from the bottom base 100. The FPC limiting groove 220 is arranged at the bottom of the patch limiting groove 210. The plurality of first component clearance grooves 230 are arranged in the FPC limiting groove 220. The side of the top base 200 close to the bottom base 100 is provided with a plurality of grooves 240. Fillers 250 are arranged at the openings of all the grooves 240. A magnet 260 is arranged between the groove 240 and the filler 250;

[0040] The metal patch 300 is magnetically connected to the patch limiting groove 210, and the metal patch 300 and the patch limiting groove 210 match each other. The metal patch 300 is provided with a second component clearance groove 310.

[0041] Through the above structural design, the bottom base 100 is used to position and fix the top base 200 and the metal patch 300; the top base 200 is used to provide a fixing place for the FPC. The patch limiting groove 210 is used to provide a place for limiting and fixing the metal patch 300. The FPC limiting groove 220 is used to load the FPC. The first component clearance groove 230 is used to clear the components of the FPC. The side of the FPC with components attached is placed in alignment on the first component clearance groove 230, and the other side is pressed by magnetic connection through the metal patch 300. The second component clearance groove 310 on the metal patch 300 can clear the position of the components to be attached. The groove 240 of the top base 200 is used to embed the magnet 260, and then the filler 250 is used to seal the magnet 260 in the groove 240. The filler 250 is not limited to beeswax, solid glue, or 502 glue, etc. The grooves 240 are arranged in a matrix on the back of the top base 200; by arranging a magnet 260 on one side of the bottom base 100 and a first component clearance groove 230 on the other side, during use, the side of the FPC with components attached is aligned and placed on the FPC limiting groove 220, so that the components of the FPC can be cleared in the first component clearance groove 230, and then the metal patch 300 is magnetically connected to the patch limiting groove 210, thereby fixing the FPC on the top base 200, enabling the FPC to be firmly pressed during the mounting process, and thus enabling double-sided mounting in the mounter.

[0042] As Figure 3 shown, specifically, the top surface of the bottom base 100 is provided with a first alignment post 110, and the top base 200 is provided with a plurality of first alignment holes 270. The first alignment post 110 and the plurality of first alignment holes 270 are aligned and match each other.

[0043] Through the above structural design, the first alignment post 110 is used to align with the first alignment hole 270, so that the top seat 200 can be aligned and fixed on the base 100. The number of the first alignment posts 110 is three, and the depth of the first alignment hole 270 is greater than or equal to the height of the first alignment post 110. Therefore, the first alignment post 110 has no contact with the metal patch 300 and does not cause structural interference.

[0044] As Figure 3 shown, specifically, several second alignment posts 120 are further provided on the top surface of the base 100, several second alignment holes 280 are provided on the FPC limiting groove 220 of the top seat 200, and several third alignment holes 320 are provided on the metal patch 300. The several second alignment posts 120, the several second alignment holes 280 and the several third alignment holes 320 are mutually matched and their positions correspond to each other one by one.

[0045] Through the above structural design, the second alignment post 120 is used to align with the second alignment hole 280, so that the top seat 200 and the metal patch 300 can be aligned and fixed on the base 100. The number of the second alignment posts 120 is more than two, and in this embodiment, it is four. The height of the second alignment post 120 is greater than the height of the second alignment hole 280 and can pass through the second alignment hole 280 to contact with the third alignment hole 320. Embodiment 2

[0046] Further optimize the FPC magnetic fixing fixture provided in Embodiment 1. Specifically, as Figure 3 shown, the first component clearance grooves 230 are arranged in a matrix on the FPC limiting groove 220.

[0047] Through the above structural design, the first component clearance grooves 230 are used to clear the components already attached on the FPC. They are set according to the component positions on the FPC. Since the component positions on different FPCs are different, the positions of the first component clearance grooves 230 can also be set according to different clearance requirements. Embodiment 3

[0048] Further optimize the FPC magnetic fixing fixture provided in Embodiment 1 or 2. As Figures 1-4 shown, the second component clearance grooves 310 are arranged in a matrix on the metal patch 300.

[0049] Through the above structural design, the second component clearance grooves 310 are used to clear the components to be attached on the FPC. They are set according to the component positions on the FPC. Since the component positions on different FPCs are different, the positions of the second component clearance grooves 310 can also be set according to different clearance requirements.

[0050] Specifically, the base 100 is further provided with a material taking port 130, and the material taking port 130 is arranged at the edge of the base 100.

[0051] Through the above structural design, the material taking port 130 facilitates the disassembly of the fixed top seat 200.

[0052] Specifically, the production material of the metal patch 300 is any one of iron, copper, aluminum, silver, zinc and tin.

[0053] Through the above structural design, in this embodiment, the production material of the metal patch 300 is iron. By using the magnetic connection method between the iron and the magnet 260, the metal patch 300 is pressed against the FPC, so that the FPC is fixed.

[0054] Specifically, several grooves 240 are arranged in a matrix on the side of the top seat 200 close to the base 100.

[0055] Specifically, the top seat 200 is further provided with a material taking groove 290, and part or all of the material taking groove 290 is arranged on the patch limiting groove 210.

[0056] Through the above structural design, the material taking groove 290 facilitates the disassembly of the fixed metal patch 300.

[0057] The using process of the FPC magnetic fixing fixture provided by the present utility model is as follows:

[0058] First, install the top seat 200 on the base 100. When in use, align the side of the FPC with attached components and place it on the FPC limiting groove 220, so that the components of the FPC can be cleared in the first component clearance groove 230. Then, magnetically connect the metal patch 300 to the patch limiting groove 210, so that the FPC is fixed on the top seat 200, realizing firm pressing during the FPC mounting process. Finally, separately take out the top seat 200 from the base 100 and place it into the mounter to complete the operation. The mounter can realize double-sided mounting of the FPC.

[0059] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0060] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A FPC magnetic fixing fixture, characterized in that: include: base(100); A top seat (200), the top seat (200) being detachably connected to the base (100), the top seat (200) being provided with a patch limiting groove (210), an FPC limiting groove (220) and a plurality of first component avoiding grooves (230), the patch limiting groove (210) being provided on a side of the top seat (200) away from the base (100), the FPC limiting groove (220) being provided on a groove bottom of the patch limiting groove (210), a plurality of first component avoiding grooves (230) being provided in the FPC limiting groove (220), a plurality of grooves (240) being provided on a side of the top seat (200) close to the base (100), the notches of all the grooves (240) being provided with fillers (250), and a magnet (260) being provided between the groove (240) and the fillers (250); A metal patch (300), the metal patch (300) is magnetically connected to the patch limiting groove (210), the metal patch (300) and the patch limiting groove (210) match each other, and the metal patch (300) is provided with a second component avoiding groove (310).

2. The FPC magnetic fixing fixture according to claim 1, characterized in that: The top surface of the base (100) is provided with a first alignment column (110), and the top seat (200) is provided with a plurality of first alignment holes (270), and the first alignment column (110) and the plurality of first alignment holes (270) are aligned and matched with each other.

3. The FPC magnetic fixing fixture according to claim 1 or 2, characterized in that: The top surface of the base (100) is also provided with a plurality of second alignment posts (120), the FPC limiting groove (220) of the top seat (200) is provided with a plurality of second alignment holes (280), and the metal patch (300) is provided with a plurality of third alignment holes (320), and the plurality of second alignment posts (120), the plurality of second alignment holes (280) and the plurality of third alignment holes (320) are matched with each other and their positions correspond one to one.

4. The FPC magnetic fixing fixture according to claim 1, characterized in that: The first component avoidance grooves (230) are arranged in a matrix on the FPC limiting grooves (220).

5. The FPC magnetic fixing fixture according to claim 1, characterized in that: The second component avoidance grooves (310) are arranged in a matrix on the metal patch (300).

6. The FPC magnetic fixing fixture according to claim 1, characterized in that: The base (100) is also provided with a material taking opening (130), and the material taking opening (130) is arranged at the edge of the base (100).

7. The FPC magnetic fixing fixture according to claim 1, characterized in that: The plurality of grooves (240) are arranged in a matrix on a side of the top seat (200) close to the base (100).

8. The FPC magnetic fixing fixture according to claim 1, characterized in that: The top seat (200) is also provided with a material taking trough (290), and part or all of the material taking trough (290) is arranged on the patch limiting groove (210).