TWM605451U - Positioning fixture for flexible printed circuit board - Google Patents

Abstract

A flexible circuit board positioning jig is used to solve the problem that the flexible circuit board is easy to curl during testing. The system includes: a substrate made of transparent material, the substrate has an upper surface and a lower surface; and a top plate made of transparent material, the top plate has an upper surface and a lower surface, and at least one counterweight is located on the top plate The upper surface.

Description

Flexible circuit board positioning fixture

This creation is about a fixture, especially a flexible circuit board positioning fixture that can press the flexible circuit board to form a flat and non-curled state.

Flexible printed circuit board (Flexible Printed Circuit, FPC), also known as flexible circuit board, has the characteristics of light weight, thin thickness, flexibility and flexibility. Because of the above characteristics, the flexible printed circuit board is prone to curling during the manufacturing process. As a result, during the inspection process of the flexible circuit board, the distance between the lines in the flexible circuit board cannot be accurately measured because the flexible circuit board is curled, or the inspection equipment cannot correctly detect whether the flexible circuit board has defects.

Please refer to Figure 1, which is a conventional flattening jig 9 disclosed in the Republic of China Announcement No. M437025 patent case. The conventional flattening jig 9 is a carrier 91 installed on an external machine. The tool 91 has a plurality of movable ribs 92, each of the plurality of movable ribs 92 has a plurality of pressing blocks 93, and each of the pressing blocks 93 is installed on a plurality of movable pressing rods 94 through a plurality of screws S, and each movable pressing rod 94 is installed on the two rail bars 95 through a plurality of screws S, and the two rail bars 95 are installed on the two main rods 96 through a plurality of screws S.

A flexible circuit board P can be placed above the carrier 91, and the flexible circuit board P can be pressed against the flexible circuit board P through the pressing blocks 93 and the movable pressing rods 94, so that the flexible circuit board P is kept flat, and the movable ribs 92. Each of the pressing blocks 93 and each of the movable pressing rods 94 can move relative to the two rail bars 95 and the two main rods 96, so as to adjust and press against a proper position of the flexible circuit board P.

With the use of the aforementioned conventional flattening jig 9, the worker can adjust the screws S to move the movable pressing rod 94, the movable rib 92 and the pressing block 93. In this way, the positions of the movable pressing rod 94, the movable rib 92 and the pressing block 93 can be adjusted by the worker without compressing the electronic components, and will not cover the place that needs to be tested; or the solder paste is not covered , So that the machine can accurately position the flexible circuit board P, so that the inspection procedure or manufacturing process can be carried out smoothly. After the inspection procedure or manufacturing process is completed, the carrier 91 leaves the positioning area from below the flattening jig 9.

The conventional flattening jig 9 is adjusted by the screws S to move the movable pressing rod 94, the movable rib 92 and the pressing block 93, so the worker needs to adjust the several screws. S, causing inconvenience to use.

In view of this, the conventional flattening jig still needs to be improved.

In order to solve the above problems, the purpose of this creation is to provide a flexible circuit board positioning jig, which can keep the flexible circuit board in a flat state without curling, so that the flexible circuit board can be smoothly tested or manufactured.

The second purpose of this creation is to provide a flexible circuit board positioning jig, which has a simple structure, is easy to use and quick to assemble.

The directionality or similar terms used in the full text of this creation, such as "front", "rear", "left", "right", "up (top)", "down (bottom)", "inner", "outer" , "Side", etc., mainly refer to the direction of the attached drawings. The directional or similar terms are only used to help explain and understand the embodiments of the creation, and are not used to limit the creation.

The use of the quantifiers "one" or "one" for the elements and components described in the full text of this creation is only for the convenience of use and to provide the usual meaning of the scope of this creation; in this creation, it should be interpreted as including one or at least one, and single The concept of also includes the plural, unless it clearly implies other meanings.

The approximate terms such as "combination", "combination" or "assembly" mentioned in the full text of this creation mainly include the types that can be separated without destroying the components after being connected, or the components can not be separated after being connected, and have common knowledge in the field Those can be selected based on the materials of the components to be connected or assembly requirements.

The flexible circuit board positioning fixture of this creation includes: a substrate made of transparent material, the substrate has an upper surface and a lower surface; and a top plate made of transparent material, the top plate has and an upper surface and a lower surface On the surface, at least one counterweight is located on the upper surface of the top plate.

Accordingly, the flexible circuit board positioning jig of the present invention can be set on the upper surface of the substrate by the top plate, and the weight of the top plate and its counterweight can be used to press the flexible circuit board to make The flexible circuit board is formed in a flat and non-curled state, and because the substrate and the top plate are made of transparent materials, the light emitted by the inspection equipment can penetrate the flexible circuit board, and the flexible circuit board can be smoothly processed. Testing procedures or manufacturing processes. And the flexible circuit board positioning jig created by this invention has the functions of simple structure, easy use and quick assembly.

Wherein, the upper surface of the substrate and the lower surface of the top plate may each be a horizontal surface. In this way, a flexible circuit board can be pressed together by the base plate and the top plate, so that the flexible circuit board can be formed into a flat and non-curled state.

Wherein, the substrate may have a plurality of positioning holes, and at least one positioning member may be respectively inserted into the plurality of positioning holes, and the positioning member is fixed at a predetermined position. In this way, the positioning member can be used to position the function of the flexible circuit board.

Wherein, the positioning member may have a needle portion and a column portion, the radial size of the needle portion is smaller than the radial size of the column portion, and the positioning member is fixed to the positioning hole by the column portion to The needle part protrudes from the upper surface of the substrate. In this way, the flexible circuit board can be fixed to a predetermined position by the positioning member by the positioning member.

Wherein, the plurality of positioning holes can be respectively inserted into a set of pipes, and the sleeve is tightly fixed to the positioning holes by the outer wall. The inner wall of the sleeve can use the diameter difference to form the inner wall of the sleeve A stopper, when the positioning element is inserted into the positioning hole, the positioning element abuts against the stopper for positioning. In this way, it is possible to make each positioning element and each positioning hole closely engage, and to fix each positioning element to a predetermined position.

Wherein, the sleeve can be made of soft material. In this way, the positioning member can be tightly fixed to the positioning hole.

Wherein, the substrate may have at least one holding portion, and the holding portion is fixed to at least one end of the substrate. In this way, it is possible for the worker to conveniently hold the substrate.

Wherein, the holding portion can be fixed to two opposite sides of the substrate by at least one fixing member. In this way, the efficiency of the worker can be evenly applied to hold the substrate.

Wherein, the top plate may have a plurality of slots, and the plurality of slots correspond to the plurality of positioning holes of the base plate, and each positioning member extends through the corresponding slot. In this way, the positioning member can penetrate through the slots of the top plate.

Wherein, the counterweight of the top plate can be fixed to the top plate by a coupling member. In this way, the counterweight can be fixed to the top plate so that the counterweight will not loosen or fall.

Wherein, the bonding member may be an electroplating tape. In this way, it has good adhesion and no glue residue, can fix the counterweight to the top plate, and prevent the counterweight from loosening or falling.

Wherein, the top plate may have at least one gripping portion, and the gripping portion is fixed to at least one end of the top plate. In this way, the system can enable workers to conveniently hold the top plate.

Wherein, the holding portion can be fixed to two opposite sides of the top plate by at least one fixing member. In this way, the efficiency of the worker can be evenly applied to hold the top plate.

Wherein, the side length of the substrate is different from the side length of the top plate. In this way, the worker can conveniently form the effect of pressing or separating the top plate and the base plate.

Wherein, the end edges of the base plate and the top plate may each have at least one grip portion, and the grip portion of the base plate is staggered from the grip portion of the top plate. In this way, the worker can conveniently hold the top plate and the base plate, and there is no mutual influence effect.

In order to make the above and other purposes, features and advantages of this creation more obvious and easy to understand, the following is a detailed description of the preferred embodiments of this creation, together with the accompanying drawings:

Please refer to FIG. 2, which is the first embodiment of the flexible circuit board positioning jig of the present invention. It includes a substrate 1 and a top plate 2, and the top plate 2 can be placed on the upper surface of the substrate 1.

Please refer to Figures 2 and 3, the substrate 1 has an upper surface 1a and a lower surface 1b. The upper surface 1a is preferably a horizontal surface. The substrate 1 is made of a transparent material (such as soda glass). The light emitted by an inspection device can penetrate the upper surface 1a and the lower surface 1b of the substrate 1. The upper surface 1a of the substrate 1 is provided for a flexible circuit board P to lie flat, so that the light emitted by the inspection device Light can penetrate the flexible circuit board P. Preferably, the substrate 1 may have a plurality of positioning holes 11, and each positioning hole 11 is arranged in a straight line along the X-axis and Y-axis directions, and at least one positioning member 12 may be respectively inserted into the plurality of positioning holes. 11. And the positioning member 12 is fixed at a predetermined position. The positioning member 12 can be fixed in various conventional fixing methods, for example: it can be fitted with a tapered surface, fixed by screwing, or bonded with an adhesive Fixed, etc., this creation is not restricted. In this embodiment, each positioning member 12 may each have a needle portion 121 and a column portion 122. The radial size of the needle portion 121 is smaller than the radial size of the column portion 122, and each positioning member 12 is The pillar portion 122 can be fixed to the positioning hole 11 so that the needle portion 121 can protrude from the upper surface 1 a of the substrate 1.

Preferably, each of the positioning holes 11 can also be respectively inserted into a set of tubes 13 so that each of the positioning parts 12 can be tightly connected with each of the positioning holes 11, and the sleeve 13 can be made of soft materials such as rubber or copper. As long as the hardness is lower than the positioning member 12. The sleeve 13 can be tightly fixed to the positioning hole 11 by the outer wall, and the inner wall of the sleeve 13 can take advantage of the diameter difference, so that the inner wall of the sleeve 13 can form a stop 14 to make the positioning When the member 12 is inserted into the positioning hole 11, the positioning member 12 can abut against the stopping portion 14 for positioning, and the needle portion 121 of the positioning member 12 can protrude from the upper surface of the substrate 1 1a.

Preferably, the substrate 1 may also have at least one holding portion 15. The holding portion 15 may be a handle, so that the worker can easily hold the substrate 1, and the holding portion 15 is fixed to at least one end of the substrate 1. side. In this embodiment, the holding portion 15 can be fixed to the opposite sides of the substrate 1 by at least one fixing member 16. The fixing member 16 can be connected by rivets, bolts, screws, snaps, adhesives, etc. Creation is not restricted.

The top plate 2 has an upper surface 2a and a lower surface 2b. The lower surface 2b is preferably a horizontal surface. The top plate 2 is made of transparent material, so that the lens of an inspection device can capture the circuit image of the flexible circuit board P Preferably, the top plate 2 can be quartz glass, so that the top plate 2 has good optical properties and electrical insulation properties. When the top plate 2 is placed on the upper surface 1a of the substrate 1, the lower surface 2b of the top plate 2 and the upper surface 1a of the substrate 1 can press the flexible circuit board P together, so that the flexible circuit board P Form a flat state without curling. The top plate 2 preferably has a plurality of slot holes 21 corresponding to the plurality of positioning holes 11 of the base plate 1, so that the needle 121 of each positioning member 12 can penetrate the corresponding Each of the slots 21.

Preferably, the top plate 2 can also have at least one grip 22, which can be a handle, so that the worker can easily hold the top plate 2, and the grip 22 is fixed to at least one part of the top plate 2. One end edge. In this embodiment, the holding portion 22 can be fixed to the opposite sides of the top plate 2 by at least one fixing member 23. The fixing member 23 can be connected by rivets, bolts, screws, snaps, adhesives, etc. Creation is not restricted.

The top plate 2 has at least one counterweight 24 located on the upper surface 2a of the top plate 2, and the counterweight 24 has a predetermined weight so that the top plate 2 can press the flexible circuit board P to form In a flat and non-curled state, the counterweight 24 can be fixed to the top plate 2 via a coupling member 25 so that the counterweight 24 will not loosen or fall off. Preferably, the coupling member 25 can be an electroplating tape.

The shapes of the base plate 1 and the top plate 2 can be various geometric shapes, and this creation is not limited. In this embodiment, the shapes of the substrate 1 and the top plate 2 are illustrated by taking a quadrangular shape as an example. In order to enable the worker to use the flexible circuit board positioning jig of this creation, the pressing of the substrate 1 and the top plate 2 and The separation can proceed smoothly, and the peripheral edges of the base plate 1 and the top plate 2 can be edged, rounded or chamfered to prevent workers from being injured. In addition, the side length of the base plate 1 and the side length of the top plate 2 are preferably different, and the grip portion 15 of the base plate 1 and the grip portion 22 of the top plate 2 are staggered so that each grip portion 15 , 22 will not affect each other.

Please refer to Figures 2 and 4, which is a use method of the first embodiment of the flexible circuit board positioning jig of the invention. When a flexible circuit board P is to be tested, the flexible circuit board P can be placed there The upper surface 1a of the substrate 1, and the top plate 2 is arranged on the upper surface 1a of the substrate, the lower surface 2b of the top plate 2 and the upper surface 1a of the substrate 1 can press and hold the flexible circuit board P together, So that the flexible circuit board P is pressed to form a flat and non-curled state. In this embodiment, the substrate 1 has a plurality of positioning holes 11, and each positioning hole 11 is provided with the positioning member 12, so that the needle 121 of each positioning member 12 can pass through The drive hole H of the flexible circuit board P extends into each corresponding slot 21 of the top plate 2 so that the flexible circuit board P can be fixed to a predetermined on the upper surface 1a of the substrate 1 Location for smooth inspection procedures or manufacturing processes.

Please refer to Figure 5, which is another use method of the first embodiment of the flexible circuit board positioning jig of the present invention. When the size of the flexible circuit board P to be tested is different, it can be adjusted or changed. The positioning member 12 is positioned at the positioning hole 11 of the substrate 1, so that the needle 121 of each positioning member 12 can still pass through the driving hole H of the flexible circuit board P of different sizes, and extend into the top plate 2 In each of the corresponding slots 21, the flexible circuit board P of different sizes can still be fixed to a predetermined position on the upper surface 1a of the substrate 1 to smoothly perform the inspection procedure or the manufacturing process.

Please refer to Figure 6, which is the second embodiment of the flexible circuit board positioning jig of the invention. Compared with the first embodiment, in this embodiment, the positioning hole 11 of the substrate 1 may not be provided with the Positioning member 12, so that if the flexible circuit board P to be tested has electronic components that are not suitable for heavy pressure or does not have the above-mentioned transmission hole H, it can still be pressed by the top plate 2 to press one end of the substrate 1 to The flexible circuit board P can still be formed into a flat and non-curled state, so that the flexible circuit board P of different sizes can still be fixed to a predetermined position on the upper surface 1a of the substrate 1 to smoothly carry out the inspection process or manufacturing Process.

Please refer to Figure 7, the flexible circuit board positioning fixture of this creation, when in use, the setting of the counterweight 24 can be changed according to the needs of use. In this embodiment, the counterweight The blocks 24 are two and are not connected and are separately arranged on the two end edges of the top board 2 to expose a part of the top board 2. In this way, when the top board 2 presses a part of the circuit of the flexible circuit board P Therefore, the image of the exposed part of the circuit that is not blocked by the weight 24 can still be clearly presented.

To sum up, the flexible circuit board positioning jig of the invention can be set on the upper surface of the substrate by the top plate, and the weight of the top plate and its counterweight can be used to press the flexible circuit board. In order to make the flexible circuit board flat and uncurled, and since the base plate and the top plate are made of transparent materials, the light emitted by the inspection equipment can penetrate the flexible circuit board, and the flexible circuit can be smoothly The board undergoes inspection procedures or manufacturing processes. And the flexible circuit board positioning jig created by this invention has the functions of simple structure, easy use and quick assembly.

Although this creation has been disclosed using the above-mentioned preferred embodiment, it is not intended to limit this creation. Anyone who is familiar with this technique does not depart from the spirit and scope of this creation and makes various changes and modifications relative to the above-mentioned embodiment. The technical scope protected by the creation, therefore, the scope of protection of this creation shall be subject to the scope of the attached patent application.

﹝本 Creation﹞ 1: substrate 1a: upper surface 1b: lower surface 11: positioning hole 12: positioning parts 121: Needle 122: Column 13: casing 14: Stop 15: Grip 16: fixed parts 2: top plate 2a: upper surface 2b: lower surface 21: Slot 22: Grip 23: fixed parts 24: counterweight 25: Combination P: Flexible circuit board H: Transmission hole ﹝Used ﹞ 9: Flattening fixture 91: Vehicle 92: movable rib 93: pressed block 94: movable pressure bar 95: track bar 96: main pole S: Screw P: Flexible circuit board

[Picture 1] A schematic diagram of a conventional flattening jig. [Figure 2] An exploded perspective view of the first embodiment of this creation. [Figure 3] An enlarged view of the partial structure of the first embodiment of this creation. [Figure 4] The combined top view of the first embodiment of this creation. [Figure 5] An exploded perspective view of another usage of the first embodiment of this creation. [Figure 6] A three-dimensional view of the second embodiment of this creation when used. [Figure 7] A three-dimensional view of the third embodiment of this creation when used.

1: substrate

1a: upper surface

1b: lower surface

11: positioning hole

12: positioning parts

13: casing

15: Grip

16: fixed parts

2: top plate

2a: upper surface

2b: lower surface

21: Slot

22: Grip

23: fixed parts

24: counterweight

25: Combination

P: Flexible circuit board

H: Transmission hole

Claims (15)

A flexible circuit board positioning jig, including: A substrate made of transparent material, the substrate has an upper surface and a lower surface; and A top plate is made of transparent material, the top plate has an upper surface and a lower surface, and at least one counterweight is located on the upper surface of the top plate. Such as the flexible circuit board positioning jig of claim 1, wherein the upper surface of the substrate and the lower surface of the top plate are each a horizontal surface. For example, the flexible circuit board positioning fixture of claim 1, wherein the substrate has a plurality of positioning holes, at least one positioning member can be respectively inserted into the plurality of positioning holes, and the positioning member is fixed at a predetermined position. For example, the flexible circuit board positioning fixture of claim 3, wherein the top plate has a plurality of slot holes, the plurality of slot holes correspond to the plurality of positioning holes of the substrate, and each positioning member extends through the corresponding The slot. For example, the flexible circuit board positioning fixture of claim 3, wherein the positioning member has a needle portion and a pillar portion, the radial dimension of the needle portion is smaller than the radial dimension of the pillar portion, and the positioning member is formed by The column part is fixed to the positioning hole so that the needle part protrudes from the upper surface of the substrate. For example, the flexible circuit board positioning fixture of claim 3, wherein the plurality of positioning holes are respectively inserted into a set of tubes, and the sleeve is tightly fixed to the positioning hole by the outer wall, and the inner wall of the sleeve can be used The difference in diameter causes the inner wall of the sleeve to form a stopper. When the positioning element is inserted into the positioning hole, the positioning element abuts against the stopper for positioning. For example, the flexible circuit board positioning fixture of claim 6, wherein the sleeve is made of flexible material. According to claim 1, the flexible circuit board positioning jig, wherein the substrate has at least one holding part, and the holding part is fixed to at least one end of the substrate. According to claim 8 of the flexible circuit board positioning jig, wherein the holding portion is fixed to two opposite sides of the substrate by at least one fixing member. For example, the flexible circuit board positioning fixture of claim 1, wherein the counterweight of the top plate is fixed to the top plate by a coupling member. For example, the flexible circuit board positioning jig of claim 10, wherein the bonding member is electroplating tape. According to claim 1, the flexible circuit board positioning jig, wherein the top plate has at least one gripping portion, and the gripping portion is fixed to at least one end of the top plate. For example, the flexible circuit board positioning jig according to claim 12, wherein the holding portion is fixed to two opposite sides of the top board by at least one fixing member. Such as the flexible circuit board positioning jig of claim 1, wherein the side length of the substrate is different from the side length of the top board. According to claim 1, the flexible circuit board positioning jig, wherein the end edges of the substrate and the top plate each have at least one gripping portion, and the gripping portion of the substrate is staggered from the gripping portion of the top board.

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