Jig for accurate positioning and mounting of FPC (Flexible Printed Circuit)

Abstract

The utility model discloses a jig for accurate positioning and mounting of an FPC (Flexible Printed Circuit), which comprises an upper cover plate and a lower bottom plate, the upper cover plate is provided with a plurality of first positioning pin holes, the lower bottom plate is provided with second positioning pin holes corresponding to the first positioning pin holes, and magnetic adsorption devices are arranged in the first positioning pin holes and the second positioning pin holes; the lower bottom plate is provided with at least one group of mounting part placing areas, each mounting part placing area is provided with a plurality of mounting limiting grooves, the inner side of the upper cover plate is provided with grooves corresponding to the mounting part placing areas, and the upper cover plate is provided with mounting limiting openings corresponding to the mounting limiting grooves in the grooves. According to the utility model, the jig structure is optimized, so that accurate positioning and efficient operation of the FPC in the mounting process are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board processing and intelligent manufacturing technical field, concretely is a kind of jig of FPC accurate positioning and mounting. BACKGROUND

[0002] Flexible printed circuit board (FPC) is made of polyester film or polyimide as base material and is a kind of printed circuit with high reliability and excellent flexibility, by embedding circuit design on bendable thin plastic sheet, a large number of precision components are embedded in narrow and limited space, so as to form bendable flexible circuit. With the development of electronic products to light and thin, small, FPC is widely used in smart phones, tablet computers, wearable devices and other electronic products because of its advantages such as circuit can be bent at will, folding weight, small size, good heat dissipation, easy installation, breaking through the traditional interconnection technology. However, in the process of FPC mounting, due to the softness and low mechanical strength of the material itself, how to realize accurate positioning, prevent deviation and improve production efficiency has become the focus of the industry. SUMMARY

[0003] The utility model discloses a kind of jig of FPC accurate positioning and mounting, improve accurate positioning and efficient operation of FPC in mounting process by optimizing jig structure. To achieve the above object, the utility model adopts the following technical solutions:

[0004] The utility model discloses a kind of jig of FPC accurate positioning and mounting, comprising: upper cover plate and lower bottom plate, the upper cover plate is provided with a plurality of first positioning pin holes, the lower bottom plate is provided with the second positioning pin hole corresponding with the first positioning pin hole, the first positioning pin hole and second positioning pin hole are equipped with magnetic adsorption device.

[0005] The lower bottom plate is provided with at least one set of mounting part placement area, the mounting part placement area is provided with a plurality of mounting limiting grooves, the inner side of the upper cover plate is provided with the recess corresponding with the mounting part placement area, and the upper cover plate is provided with the mounting limiting port corresponding with the mounting limiting groove in the recess.

[0006] Further, the lower bottom plate is provided with a chute below the mounting limiting groove.

[0007] Among them, the inclined surface of the chute is provided with pad strip, and the pad strip is flame-retardant glass fiber reinforced epoxy laminated strip.

[0008] Further, the pad strip is provided with a give-up slot corresponding to the mounting limiting groove.

[0009] Further, the give-up slot is provided with a through hole, so that the probe of external test device is in contact with FPC.

[0010] Further, the lower bottom plate is provided with a plurality of device accommodating grooves above the mounting limiting grooves.

[0011] Further, one side of the upper cover plate is connected with one side of the lower bottom plate through a hinge.

[0012] Preferably, the opening and closing angle of the upper cover plate and the lower bottom plate is 0-180°.

[0013] Preferably, the magnetic adsorption device is a permanent magnet or an electromagnet.

[0014] Preferably, the upper cover plate and the lower bottom plate are fire-retardant glass fiber reinforced epoxy laminated plates, aluminum alloy plates or stainless steel plates.

[0015] After the above technical scheme is adopted, the utility model has the following effects:

[0016] 1. The utility model discloses a jig structure is optimized, precise positioning of FPC in the mounting process is realized, offset and error are reduced, and production efficiency and operation convenience are improved.

[0017] 2. The utility model discloses compact structure, convenient operation can complete the mounting work of FPC quickly, and production efficiency and capacity are improved.

[0018] 3. The utility model discloses high-performance material is made, and the durability is strong, and replacement and maintenance cost are reduced, and production cost is further reduced. DRAWINGS

[0019] Figure 1 It is the three-dimensional structure diagram of the utility model.

[0020] Figure 2 It is the enlarged view of A of Figure 1

[0021] Figure 3 It is the bottom view of the upper cover plate of the utility model.

[0022] Figure 4 It is the top view of the upper cover plate of the utility model.

[0023] Figure 5 It is the top view of the lower bottom plate of the utility model.

[0024] Main component symbol:

[0025] ​1: Top cover plate; 11: First positioning pin hole; 12: Groove; 121: Mounting limit opening; 2: Bottom plate; 21: Second positioning pin hole; 22: Mounting area; 221: Mounting limit groove; 222: Inclined groove; 223: Pad strip; 224: Relief groove; 225: Through hole; 226: Component relief groove; 3: Magnetic adsorption device. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0027] like Figures 1 to 5 As shown, this utility model discloses a fixture for precise positioning and mounting of FPCs, comprising: an upper cover plate 1 and a lower base plate 2. The upper cover plate 1 is provided with a plurality of first positioning pin holes 11, and the lower base plate 2 is provided with second positioning pin holes 21 corresponding to the first positioning pin holes 11. Magnetic adsorption devices 3 are installed in the first positioning pin holes 11 and the second positioning pin holes 21. The plurality of positioning pin holes on the upper cover plate 1 and the lower base plate 2 correspond to the dimensions of the FPC to be processed, achieving precise positioning of the FPC. The position and size of the positioning pin holes can be adjusted according to the specific design of the FPC.

[0028] In this embodiment, the upper cover plate 1 and the lower base plate 2 are flame-retardant glass fiber reinforced epoxy laminates, and one side of the upper cover plate 1 and one side of the lower base plate 2 are connected by hinges. The opening angle between the upper cover plate 1 and the lower base plate 2 is 0-180°. In other embodiments, the upper cover plate 1 and the lower base plate 2 can also be aluminum alloy plates or stainless steel plates. The use of high-strength and corrosion-resistant materials for the upper cover plate 1 and the lower base plate 2 ensures the stability and durability of the fixture.

[0029] In this embodiment, the magnetic adsorption device 3 is a permanent magnet, used to assist in the fixing and positioning of the FPC. In other embodiments, the magnetic adsorption device 3 can also be an electromagnet. The magnetic adsorption device 3 can be adjusted according to the material and thickness of the FPC to ensure appropriate adsorption force.

[0030] The lower base plate 2 is provided with at least one set of mounting part placement areas 22, and each mounting part placement area 22 is provided with a plurality of mounting limiting grooves 221. The inner side of the upper cover plate 1 is provided with a groove 12 corresponding to the mounting part placement area 22, and the upper cover plate 1 is provided with mounting limiting openings 121 corresponding to the mounting limiting grooves 221 in the groove 12. In this embodiment, the lower base plate 2 is provided with three sets of mounting part placement areas 22, and each set of mounting part placement areas 22 is provided with four mounting limiting grooves 221. At the same time, the upper cover plate 1 is also provided with four corresponding mounting limiting openings 121.

[0031] Secondly, the lower base plate 2 is provided with an inclined groove 222 below the mounting limiting groove 221. In the embodiment, the inclined surface of the inclined groove 222 is provided with a pad strip 223, which is a flame-retardant glass fiber reinforced epoxy laminate strip. The pad strip 223 is provided with a clearance groove 224 corresponding to the mounting limiting groove 221, and the clearance groove 224 is provided with a through hole 225 to enable the probe of the external test device to extend into contact with the FPC.

[0032] In addition, in the embodiment, the lower base plate 2 is provided with a plurality of device clearance grooves 226 above the mounting limiting groove 221 to avoid damage to other components on the FPC during mounting.

[0033] The use principle of the utility model is as follows: the FPC to be mounted is placed on the lower base plate 2, and the back of the part of the FPC to be mounted is aligned with the mounting limiting groove 221 in the mounting part placement area 22 and the FPC is placed. After placement, the magnetic adsorption device 3 on the lower base plate 2 magnetically adsorbs and fixes the FPC. Then, the upper cover plate 1 is closed, and the magnetic adsorption device 3 of the upper cover plate 1 is magnetically adsorbed and connected with the FPC for fixation. Then, the operator mounts the part to be mounted through the mounting limiting opening 121 of the upper cover plate 1. After mounting, the operator can extend the probe of the test device into contact with the FPC from the through hole 225 of the lower base plate 2 and test it.

[0034] In use, if the thickness of the FPC is large, a pressing mechanism can be externally connected above the upper cover plate 1 to make the FPC tightly adhere to the upper cover plate 1 and the lower base plate 2, preventing deviation during mounting. The pressing mechanism can be a spring pressing piece, a pneumatic cylinder or a servo motor driven device.

[0035] The above is only a preferred specific embodiment of the utility model, and any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered within the protection range of the utility model.

Claims

1. A jig for precision positioning and mounting of an FPC, characterized by, The utility model relates to a kind of FPC test device, including: Upper cover plate (1) and lower bottom plate (2), the upper cover plate (1) is provided with several first positioning pin holes (11), the lower bottom plate (2) is provided with the second positioning pin hole (21) corresponding with the first positioning pin hole (11), magnetic adsorption device (3) is installed in the first positioning pin hole (11) and second positioning pin hole (21); The lower bottom plate (2) is provided with at least one group of adhesive site placement area (22), the adhesive site placement area (22) is provided with several adhesive limiting grooves (221), the inner side of the upper cover plate (1) is provided with the recess (12) corresponding with the adhesive site placement area (22), and the upper cover plate (1) is provided with the adhesive limiting mouth (121) corresponding with the adhesive limiting groove (221) in the recess (12).

2. The precision positioning and mounting jig for FPC according to claim 1, wherein: The lower bottom plate (2) is provided with a chute (222) below the adhesive limiting groove (221).

3. The FPC precision positioning and mounting jig according to claim 2, wherein: The inclined surface of the chute (222) is provided with pad strip (223), and the pad strip (223) is flame-retardant glass fiber reinforced epoxy laminated strip.

4. The FPC precision positioning and mounting jig according to claim 3, wherein: The pad strip (223) is provided with the give-way groove (224) corresponding with the adhesive limiting groove (221).

5. The precision positioning and mounting jig for FPC according to claim 4, wherein: The give-way groove (224) is provided with through hole (225), so that the probe of external test device is inserted into FPC contact.

6. The precision positioning and mounting jig for FPC according to claim 1, wherein: The lower bottom plate is provided with several device give-way grooves (226) above the adhesive limiting groove (221).

7. The FPC precision positioning and mounting jig according to claim 1, wherein: The side of the upper cover plate (1) is connected with the side of the lower bottom plate (2) by hinge.

8. The precision positioning and mounting jig for FPC according to claim 7, wherein: The opening and closing angle of the upper cover plate (1) and the lower bottom plate (2) is 0-180°.

9. The FPC precision positioning and mounting jig according to claim 1, wherein: The magnetic adsorption device is permanent magnet or electromagnet.

10. The precision positioning and mounting jig for FPC according to claim 1, wherein: The upper cover plate (1) and lower bottom plate (2) are flame-retardant glass fiber reinforced epoxy laminated plate, aluminum alloy plate or stainless steel plate.

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