CN218217839U

CN218217839U - FPC board positioning and fixing device

Info

Publication number: CN218217839U
Application number: CN202222270049.1U
Authority: CN
Inventors: 林杰明; 王迪; 罗希
Original assignee: Liyu Electronics Huizhou Co ltd
Current assignee: Liyu Electronics Huizhou Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-03
Anticipated expiration: 2032-08-29

Abstract

The utility model relates to a FPC board positioning and fixing device, which comprises a bottom plate and a FPC carrier, wherein a containing groove for containing FPC boards is arranged on the FPC carrier, the FPC carrier is fixed on the bottom plate through a carrier positioning pin and a FPC positioning pin, the FPC boards are fixed through the FPC positioning pin, and component clearance holes corresponding to shapes of FPC components are arranged in the containing groove, so that the FPC components can be prevented from being damaged and the FPC boards can be prevented from deforming; in addition, the FPC carrier with different accommodating grooves is designed, and the FPC carrier is replaced, so that the FPC positioning and fixing device is suitable for different FPC boards, the application range of the FPC board positioning and fixing device is expanded, and the cost is saved. The FPC board positioning and fixing device is simple in structure, convenient to use and low in manufacturing cost.

Description

FPC board positioning and fixing device

Technical Field

The utility model relates to a circuit board technical field especially relates to a FPC board positioning and fixing device.

Background

The FPC (Flexible Printed Circuit) is a Printed Circuit board made of a Flexible insulating base material, has the characteristics of high bending degree, high wiring density, thin thickness, small mass and the like, can be appropriately designed according to different application scenes, and is widely applied to electronic products. However, since the FPC has a small thickness and low strength, if the FPC is directly subjected to operations such as solder paste printing, component mounting, reflow soldering, etc., the FPC is deformed, and thus needs to be fixed by a positioning device; however, the positioning device of the existing FPC board has the disadvantages of complex structure, high cost and inconvenient use. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a positioning and fixing device for FPC boards to solve the existing problems.

The utility model discloses a FPC board positioning and fixing device, including bottom plate and FPC carrier, be provided with a plurality of carrier locating pins and a plurality of FPC locating pin on the bottom plate, set up the carrier locating hole with carrier locating pin complex on the FPC carrier, be provided with the storage tank that is used for holding the FPC board on the FPC carrier, have the components and parts clearance hole that corresponds with FPC components and parts in the storage tank, open the FPC locating hole with FPC locating pin complex in the storage tank; and the FPC positioning pin penetrates through the FPC positioning hole and then is matched with the fixing hole in the FPC board.

In one embodiment, the bottom plate is provided with at least three carrier pre-positioning pins, the at least three carrier pre-positioning pins are used for positioning two adjacent side edges of the FPC carrier, two carrier positioning holes far away from one side edge of the FPC carrier are waist-shaped holes, and long axes of the two waist-shaped holes are perpendicular to the one side edge.

In one embodiment, a groove is formed in the FPC carrier outside the accommodating groove, and the depth of the groove is greater than the depth of the accommodating groove.

In one embodiment, notches are symmetrically arranged on two sides of the bottom plate.

In one embodiment, the number of carrier positioning pins is 4.

In one embodiment, the number of the FPC positioning pins is 4.

The utility model discloses a FPC board positioning and fixing device, including bottom plate and FPC carrier, be provided with the storage tank that is used for holding the FPC board on the FPC carrier, fix the FPC carrier on the bottom plate through carrier locating pin and FPC locating pin to fix the FPC board through the FPC locating pin, through setting up the components and parts clearance hole that corresponds with FPC components and parts shape in the storage tank, can prevent to cause the damage to FPC components and parts and prevent that FPC board from taking place to warp; in addition, the FPC carrier with different accommodating grooves is designed, and the FPC carrier is replaced, so that the FPC positioning and fixing device is suitable for different FPC boards, the application range of the FPC board positioning and fixing device is enlarged, and cost is saved. The FPC board positioning and fixing device is simple in structure, convenient to use and low in manufacturing cost.

Drawings

FIG. 1 is an exploded view of the FPC board positioning and fixing device of the present invention;

FIG. 2 is a schematic perspective view of the FPC board positioning and fixing device of the present invention;

FIG. 3 is a schematic view showing the operation state of the FPC board positioning and fixing device of the present invention;

wherein, bottom plate 1, carrier prepositioning round pin 2, FPC carrier 3, carrier locating pin 4, recess 5, FPC locating pin 6, FPC board 7, components and parts keep away empty hole 8, FPC locating hole 9, FPC components and parts 10, storage tank 11, carrier locating hole 12, fixed orifices 13, breach 14.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. As used herein, the terms "vertical," "horizontal," "left," "right," "side," "other," "end," "other," and similar language are used for descriptive purposes only and not for purposes of limitation as to the particular orientation of components within a product or device.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, the utility model discloses a positioning and fixing device for FPC boards, which comprises a bottom plate 1 and an FPC carrier 3, wherein the bottom plate 1 is provided with a plurality of carrier positioning pins 4 and a plurality of FPC positioning pins 6, the FPC carrier 3 is provided with carrier positioning holes 12 matched with the carrier positioning pins 4, the FPC carrier 3 is provided with an accommodating groove 11 for accommodating an FPC board 7, the accommodating groove 11 is internally provided with a component clearance hole 8 corresponding to an FPC component 10, and the accommodating groove 11 is internally provided with an FPC positioning hole 9 matched with the FPC positioning pin 6; the FPC locating pin 6 penetrates through the FPC locating hole 9 and then is matched with a fixing hole 13 in the FPC board 7.

Specifically, the accommodating groove 11 is formed by recessing the FPC carrier 3 downward from the upper surface thereof, and the accommodating groove 11 is used for accommodating and supporting the FPC board 7; when the FPC component 10 protrudes from the lower surface of the FPC board 7 to be higher, the accommodating groove 11 may damage the FPC component 10, and therefore, the component clearance hole 8 corresponding to the shape of the FPC component 10 is provided in the accommodating groove 11 to accommodate the FPC component 10, thereby preventing the FPC board from being damaged and deformed.

It can be understood that the shape and size of the accommodating groove 11 are designed according to the shape and size of the FPC board 7, and thus, the FPC carriers 3 having different accommodating grooves 11 can be designed, and the application range of the FPC board positioning and fixing device is expanded by replacing the corresponding FPC carriers 3.

In addition, the positions of the fixing holes 13 can be set according to the distribution condition of the FPC components and parts 10 on the FPC board 7, and the FPC components and parts 10 are only required to be avoided and the FPC board 7 can be fixed.

As shown in fig. 1-3, the base plate 1 is square, and the FPC carrier 3 is also square, but not limited thereto; the FPC components 10 on the FPC board 7 are distributed in the middle of the FPC board 7, and the fixing holes 13 are formed in the edge positions of the FPC board 7; the accommodating groove 11 is disposed at the middle position of the FPC carrier 3, and the carrier positioning hole 12 is disposed at the edge position of the FPC carrier 3, but not limited thereto.

When the FPC assembling device is used, firstly, the FPC carrier 3 is downwards close to the bottom plate 1, the carrier positioning pins 4 are inserted into the carrier positioning holes 12 corresponding to the FPC positioning pins from bottom to top, meanwhile, the FPC positioning pins 6 are inserted into the FPC positioning holes 9 corresponding to the FPC positioning pins from bottom to top, so that the FPC carrier 3 is positioned on the bottom plate 1, then, the FPC board 7 is placed in the accommodating groove 11, and the FPC positioning pins 6 are inserted into the fixing holes 13 corresponding to the FPC positioning pins from bottom to top, so that the FPC7 is positioned and fixed; the FPC board 7 fixed in the FPC board positioning and fixing device can be subjected to operations such as component mounting, solder paste printing, over reflow soldering and the like according to requirements subsequently, and the FPC board 7 is prevented from deforming in the machining process.

Further, at least three carrier pre-positioning pins 2 are arranged on the bottom plate 1, the at least three carrier pre-positioning pins 2 are used for positioning two adjacent side edges of the FPC carrier 3, two carrier positioning holes 12 far away from one side edge of the FPC carrier 3 are waist-shaped holes, and long axes of the two waist-shaped holes are perpendicular to the one side edge.

The waist-shaped holes (two carrier positioning holes 12 near the left side on the FPC carrier 3 in fig. 1) are used to reserve a certain moving margin for the carrier positioning pins 4 penetrating into the holes. The number of carrier pre-positioning pins 2 shown in fig. 1-3 is 3 (but not limited thereto), wherein two carrier pre-positioning pins 2 are used for abutting against a first side edge of the FPC carrier 3, and the other carrier pre-positioning pin is used for abutting against a second side edge adjacent to the first side edge, thereby preliminarily limiting the FPC carrier 3 in two directions.

During the use, be close to bottom plate 1 with FPC carrier 3 downwards, and move FPC carrier 3 towards a plurality of carriers prepositioning round pin 2 position, carrier prepositioning round pin 2 carries out the butt to two adjacent sides of FPC carrier 3, thereby carry out preliminary spacing to FPC carrier 3, can conveniently locate the carrier locating hole 12 that FPC carrier 3 is close to first side on carrier locating pin 4 by preliminary cover this moment, make FPC carrier 3 keep away from the one end downstream of first side again, locate the waist shape pot head on rather than corresponding carrier locating pin 4, accomplish FPC carrier 3's fixing from this.

Further, a groove 5 is formed in the FPC carrier 3 outside the accommodating groove 11, and the depth of the groove 5 is greater than that of the accommodating groove 11.

After the FPC board 7 is processed, the FPC board 7 needs to be taken out from the FPC board positioning and fixing device, and in order to facilitate taking out the FPC board 7 from the accommodating groove 11, the groove 5 is formed in the FPC carrier 3 outside the accommodating groove 11, and the depth of the groove 5 is greater than that of the accommodating groove 11, so that the FPC board 7 can be conveniently pinched by fingers and the FPC board 7 can be taken out from the accommodating groove 11.

Further, notches 14 are symmetrically arranged on two sides of the bottom plate 1.

In the present application, the area of the FPC carrier 3 may be larger than, smaller than, or equal to the area of the base plate 1, and the area of the FPC carrier 3 shown in fig. 1 to 3 is smaller than the area of the base plate 1. When the area of the FPC carrier 3 is smaller than or equal to the area of the bottom plate 1, the FPC carrier 3 is difficult to be taken off from the bottom plate 1, and the two notches 14 are symmetrically arranged on the two sides of the bottom plate 1, so that the FPC carrier 3 can be conveniently pinched by fingers to separate the FPC carrier 3 from the bottom plate 1.

Further, the number of the carrier positioning pins 4 is 4; the number of the FPC locating pins 6 is 4.

Since the bottom plate 1 shown in the figure is square, and the FPC carrier 3 is also square, the number of the carrier positioning pins 4 is 4, and the number of the FPC positioning pins 6 is 4 in this embodiment, which are respectively used for positioning four corners of the FPC carrier and the FPC board 7, but may be other suitable numbers.

Therefore, the arrangement of the carrier positioning pins 4 and the FPC positioning pins 6 can play a better role in fixing the FPC carrier 3 and the FPC board 7.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A FPC board positioning and fixing device is characterized by comprising a bottom plate and an FPC carrier, wherein a plurality of carrier positioning pins and a plurality of FPC positioning pins are arranged on the bottom plate, carrier positioning holes matched with the carrier positioning pins are formed in the FPC carrier, an accommodating groove for accommodating an FPC board is formed in the FPC carrier, component clearance holes corresponding to FPC components are formed in the accommodating groove, and FPC positioning holes matched with the FPC positioning pins are formed in the accommodating groove; and the FPC positioning pin penetrates through the FPC positioning hole and then is matched with the fixing hole in the FPC board.

2. The FPC board positioning and fixing device of claim 1, wherein at least three carrier pre-positioning pins are disposed on the base plate, the at least three carrier pre-positioning pins are used for positioning two adjacent sides of the FPC carrier, two carrier positioning holes away from one side of the FPC carrier are waist-shaped holes, and long axes of the two waist-shaped holes are perpendicular to the one side.

3. The FPC board positioning and fixing device of claim 1, wherein a groove is formed on the FPC carrier outside the receiving groove, and the depth of the groove is greater than that of the receiving groove.

4. The FPC board positioning and fixing device of claim 1, wherein notches are symmetrically arranged on two sides of the bottom plate.

5. The FPC board positioning and fixing device of claim 1, wherein the number of carrier positioning pins is 4.

6. The FPC board positioning and fixing device of claim 1, wherein the number of the FPC positioning pins is 4.