Positioning device for FPC circuit board processing

Abstract

The utility model provides a positioning device for FPC circuit board processing, and belongs to the technical field of circuit board processing. Comprising a first positioning seat and a second positioning seat, the first positioning seat is used for positioning a flexible circuit board, the second positioning seat is used for positioning a rigid circuit board, the positioning mechanism comprises an installation seat, a notch is formed in the top of the first positioning seat, the installation seat is installed in the notch, and a plurality of rubber supporting columns are fixed to the bottom of the inner wall of the installation seat. The tops of the multiple rubber supporting columns are jointly connected with an upper plate. According to the utility model, through the arrangement of the mounting seat and the positioning block, the flexible circuit board is placed in the positioning seat I for positioning, and after the flexible circuit board is positioned through the positioning seat I, the positioning block is inserted into the protruding part on the side edge of the flexible circuit board, so that the positioning of the protruding part is realized, and the dual positioning of the flexible circuit board is realized; the positioning device adapts to positioning of the flexible circuit board with the protruding part, and the positioning accuracy of the flexible circuit board is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board processing technical field especially relates to a positioning device for FPC circuit board processing. BACKGROUND

[0002] FPC (Flexible Printed Circuit) circuit board refers to flexible circuit board, in the process of electrically connecting flexible circuit board and rigid circuit board, the wiring end of the flexible circuit board and the wiring end of the rigid circuit board need to be connected by soldering, and in the welding process, the flexible circuit board and the rigid circuit board need to be positioned respectively, so that the wiring end of the flexible circuit board is aligned with the wiring end of the rigid circuit board, and then welding can be carried out, and the device for positioning the flexible circuit board and the rigid circuit board is a positioning seat, which is provided with a positioning groove, and the flexible circuit board and the rigid circuit board are placed in the corresponding positioning groove of the positioning seat, so that the positioning of the flexible circuit board is realized.

[0003] After retrieval, the Chinese patent with the authorization announcement number CN222381882U discloses a circuit board soft plate splicing assembly, relating to the technical field of circuit board splicing, which comprises a positioning seat, and further comprises a positioning mechanism, the positioning mechanism comprises a movable seat arranged on the left side of the positioning seat, the top of the movable seat is fixedly provided with an upper pressing plate, a wheel groove is formed in the bottom of the upper pressing plate, an upper pressing wheel for pressing the soft plate is movably connected in the wheel groove, a handle is fixedly arranged on the upper pressing plate, a connecting assembly is arranged between the positioning seat and the movable seat, a guide groove is formed in the left side of the positioning seat, and a guide rail is fixedly arranged on the right side of the movable seat and moves transversely along the inner wall of the guide groove. By arranging the upper pressing plate and the upper pressing wheel, the soft plate is inserted between the upper pressing plate and the movable seat and is pressed by the upper pressing wheel, then the movable seat is moved to the position of the positioning seat, the positioning between the soft plate and the hard plate is realized, the accuracy of the splicing position is ensured, errors are prevented, and the consistency of the splicing quality is ensured.

[0004] When positioning the flexible circuit board, the above-mentioned patent needs to insert the flexible circuit board between the upper pressing plate and the movable seat, and the accurate positioning is realized by the adhesion of the inner wall of the movable seat and the side edge of the flexible circuit board and the pressing of the upper pressing wheel on the upper pressing plate, but this method is usually only suitable for long strip-shaped flexible circuit boards, and when there is a protrusion on the side edge of the flexible circuit board, the movable seat is difficult to accurately adhere to the side edge of the flexible circuit board stably, thereby affecting the positioning accuracy of the flexible circuit board, therefore, the present application provides a positioning device for FPC circuit board processing to meet the needs. UTILITY MODEL CONTENTS

[0005] The utility model provides a positioning device for FPC circuit board processing to solve the technical problem that when the side of the flexible circuit board has a protrusion, the movable seat is difficult to accurately adhere to the side of the flexible circuit board stably, thereby affecting the positioning accuracy of the flexible circuit board.

[0006] To solve the above technical problems, the utility model provides the following technical scheme:

[0007] A positioning device for FPC circuit board processing, including positioning seat one and positioning seat two, positioning seat one is used for the positioning of flexible circuit board, positioning seat two is used for the positioning of rigid circuit board, still include:

[0008] Positioning mechanism, the top of positioning seat one is equipped with the notch, the mounting seat is installed in the notch, the bottom of mounting seat inner wall is fixed with a plurality of rubber support column, the top of a plurality of rubber support column is connected with the upper plate in common, the top of upper plate is fixed with the locating block, the locating block inserts the opening that the protruding part on the side of flexible circuit board was equipped with,

[0009] When working, the rigid circuit board is placed on the positioning seat two and positioned, the flexible circuit board is placed in the positioning seat one and positioned, the locating block inserts the protruding part on the side of the flexible circuit board and realizes the repositioning of the flexible circuit board.

[0010] Preferably, rubber connecting pieces are connected between the adjacent two rubber support columns, and the thickness of the rubber connecting pieces is less than the diameter of the rubber support columns.

[0011] Preferably, a through hole is formed in the middle of the side of the rubber connecting piece, and the through hole is in an elliptical shape.

[0012] Preferably, grooves are formed in the top and bottom of the rubber connecting piece, and the grooves are in an arc shape bending towards the through hole.

[0013] Preferably, a connecting surface is arranged on the side of the rubber connecting piece, the connecting surface is connected with the outer wall of the rubber support column, and inclined surfaces are formed in the top and bottom of the connecting surface.

[0014] Preferably, a guide surface is arranged on the side of the locating block close to the top, and the guide surface is used for guiding when the protruding part is sleeved on the locating block.

[0015] Preferably, indication grooves are formed in the top of the mounting seat and the upper plate, and the indication grooves are in a strip shape.

[0016] Preferably, a notch is formed in the side of the positioning seat two away from the positioning seat one.

[0017] Compared with the prior art, the utility model has at least the following beneficial effects:

[0018] In the above scheme, the flexible circuit board is placed in the positioning seat one for positioning through the setting of the mounting seat and the positioning block, the positioning block is inserted into the protruding part of the side edge of the flexible circuit board after the flexible circuit board is positioned by the positioning seat, the positioning of the protruding part position is realized, thereby realizing the double positioning of the flexible circuit board, adapting to the positioning of the flexible circuit board with the protruding part, and improving the positioning accuracy thereof.

[0019] Through the setting of the rubber supporting column, the rubber supporting column is used for realizing the flexible support of the positioning block, after the welding of the flexible circuit board and the rigid circuit board is completed, the rigid circuit board edge is pinched and the rigid circuit board is lifted up, the rigid circuit board can be taken down together with the flexible circuit board, but the flexible circuit board will be bent and deformed in the process of taking down due to the soft characteristic thereof, after the bending deformation reaches the protruding part position, the deformed protruding part can drive the rubber supporting column to be inclined through the positioning block, and the positioning block is inclined simultaneously, thereby adapting to the bending deformation of the protruding part position, reducing the jamming between the protruding part and the positioning block, and facilitating the separation of the protruding part and the positioning block.

[0020] Through the setting of the rubber connecting sheet, the rubber connecting sheet is used for connecting the adjacent two rubber supporting columns, the rubber connecting sheet connects the adjacent two rubber supporting columns into a whole, the position elasticity of the rubber supporting column is improved in the resetting process after the inclination, thereby assisting the resetting of the rubber supporting column, and effectively maintaining the resetting accuracy and stability of the rubber supporting column.

[0021] Through the setting of the connecting surface and the inclined surface, the connecting surface position of the rubber connecting sheet is connected with the rubber supporting column, the inclined surface position is not connected with the rubber supporting column, the contact area of the rubber connecting sheet and the rubber supporting column is reduced through the inclined surface, the resistance of the rubber connecting sheet to the inclination of the rubber supporting column is reduced, and meanwhile, the inclination of the rubber supporting column is provided with space through the inclined surface, thereby further reducing the resistance of the rubber connecting sheet to the inclination of the rubber supporting column.

[0022] Through the setting of the indicating groove, the upper plate is in the horizontal state after the resetting of the rubber supporting column, whether the rubber supporting column and the upper plate are reset accurately is judged by observing whether the indicating groove on the upper plate is aligned with the indicating groove on the mounting seat, thereby preventing the inaccurate resetting of the rubber supporting rod from affecting the positioning of the flexible circuit board to the thickness. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the whole structure schematic view of the utility model;

[0024] Figure 2 It is the positioning mechanism place three-dimensional structure schematic view of the utility model;

[0025] Figure 3 It is the mounting seat place three-dimensional structure schematic view of the utility model;

[0026] Figure 4 It is the internal structure schematic view of the mounting seat of the utility model;

[0027] Figure 5 It is the rubber connecting piece place three-dimensional structure schematic view of the utility model.

[0028] In the drawing: 1, positioning seat one;2, positioning seat two;3, flexible circuit board;4, protruding part;5, rigid circuit board;6, positioning mechanism;7, mounting seat;8, rubber support column;9, upper plate;10, positioning block;11, guide surface;12, rubber connecting piece;13, through hole;14, groove;15, connecting surface;16, inclined surface;17, indicating groove. DETAILED DESCRIPTION

[0029] The utility model provides a kind of positioning device for FPC circuit board processing in conjunction with the drawings and specific embodiments is described in detail below.It is explained here simultaneously, in order to make embodiment more detailed, the following embodiment is best, preferred embodiment, for some known technology, other alternative ways can also be used by person skilled in the art to implement;And part of the drawing is only for more specific description of embodiment, and is not intended to be specific to the utility model.

[0030] As Figures 1-5 Indicated, the embodiment of the utility model provides a kind of positioning device for FPC circuit board processing, including positioning seat one 1 and positioning seat two 2, positioning seat one 1 is used for the positioning of flexible circuit board 3, positioning seat two 2 is used for the positioning of rigid circuit board 5, further include:

[0031] Positioning mechanism 6, positioning mechanism 6 includes mounting seat 7, the top of positioning seat one 1 is provided with notch, mounting seat 7 is installed in notch, the bottom of mounting seat 7 inner wall is fixed with multiple rubber support columns 8, the top of multiple rubber support columns 8 is connected with upper plate 9, the front and rear sides of upper plate 9 are respectively attached with the convex strip of mounting seat 7 top and the rear side of notch inner wall, so as to prevent the skew of upper plate 9 in front and rear direction, the top of upper plate 9 is fixed with positioning block 10, positioning block 10 is inserted into the opening of flexible circuit board 3 side protruding part 4;

[0032] When working, rigid circuit board 5 is placed on positioning seat two 2 and positioned, flexible circuit board 3 is placed in positioning seat one 1 and positioned, positioning block 10 is inserted into the protruding part 4 of flexible circuit board 3 side edge and realizes the repositioning of flexible circuit board 3, positioning block 10 in positioning mechanism 6 is inserted into the protruding part 4 of flexible circuit board 3 side edge, and is cooperated with positioning seat one 1 to realize the double positioning of flexible circuit board 3, improves positioning accuracy.

[0033] As Figure 4 And Figure 5As shown, in the embodiment, rubber connecting pieces 12 are connected between two adjacent rubber support columns 8, the thickness of the rubber connecting pieces 12 is less than the diameter of the rubber support columns 8, the rubber connecting pieces 12 connect two adjacent rubber support columns 8 into a whole, in the resetting process of the inclined rubber support columns 8, the elasticity of the position of the rubber support columns 8 is improved, the rubber support columns 8 are reset, the accuracy and stability of the resetting of the rubber support columns 8 are effectively maintained, meanwhile, the thickness of the rubber connecting pieces 12 is less than the diameter of the rubber support columns 8, when the rubber support columns 8 are inclined, the rubber connecting pieces 12 cannot generate too much resistance to the rubber support columns 8, the rubber support columns 8 can be smoothly inclined to adapt to the bending deformation of the flexible circuit board 3.

[0034] As shown in Figure 4 and Figure 5 As shown, in the embodiment, a through hole 13 is arranged at the middle position of the side of the rubber connecting piece 12, the through hole 13 is in an elliptical shape, the arrangement of the elliptical through hole 13 provides a deformation space for the rubber connecting piece 12 when the rubber support column 8 is inclined, which helps the rubber connecting piece 12 to better follow the deformation of the rubber support column 8 and further reduces the resistance of the rubber connecting piece 12 to the inclination of the rubber support column 8.

[0035] As shown in Figure 4 and Figure 5 As shown, in the embodiment, a groove 14 is arranged at the top and bottom of the rubber connecting piece 12, the groove 14 is in an arc shape bending towards the through hole 13, when the rubber support column 8 is inclined and the rubber connecting piece 12 is deformed, the design of the groove 14 makes the rubber connecting piece 12 more easily deformed and cooperates with the elliptical through hole 13 to provide a larger deformation space for the rubber connecting piece 12, thereby greatly reducing the resistance to the inclination of the rubber support column 8.

[0036] As shown in Figure 5 As shown, in the embodiment, a connecting surface 15 is arranged on the side of the rubber connecting piece 12, the connecting surface 15 is connected with the outer wall of the rubber support column 8, an inclined surface 16 is arranged at the top and bottom of the connecting surface 15, the connecting surface 15 realizes the connection between the rubber connecting piece 12 and the rubber support column 8, ensuring that they can work cooperatively, the inclined surface 16 reduces the contact area between the rubber connecting piece 12 and the rubber support column 8, when the rubber support column 8 is inclined, the resistance of the rubber connecting piece 12 to the rubber support column 8 is reduced, meanwhile, the inclined surface 16 provides additional space for the inclination of the rubber support column 8, further facilitating the smooth inclination of the rubber support column 8 driven by the bending deformation of the flexible circuit board 3, and improving the adaptability of the rubber connecting piece 12 to the bending deformation of the flexible circuit board 3.

[0037] As shown in Figure 3As shown, in the embodiment, the positioning block 10 is provided with a guide surface 11 on the side close to the top, which is used for guiding when the protrusion 4 is sleeved on the positioning block 10. During the positioning operation, the guide surface 11 plays a guiding role when the protrusion 4 of the side edge of the flexible circuit board 3 is sleeved on the positioning block 10, facilitating the operator to accurately match the protrusion 4 with the positioning block 10, and improving the convenience and accuracy of the positioning operation.

[0038] As shown, Figure 2 In the embodiment, the top of the mounting seat 7 and the upper plate 9 is provided with an indicating slot 17, which is in a strip shape. After the rubber support column 8 is reset, the upper plate 9 is in a horizontal state. At this time, by observing whether the indicating slot 17 on the upper plate 9 is aligned with the indicating slot 17 on the mounting seat 7, it can be directly and accurately judged whether the rubber support column 8 and the upper plate 9 are reset accurately.

[0039] As shown, Figure 1 In the embodiment, the positioning seat two 2 is provided with a notch on the side away from the positioning seat one 1, which facilitates the operator to pinch the edge of the rigid circuit board 5 and lift the rigid circuit board 5.

[0040] Working principle: place the rigid circuit board 5 in the positioning seat two 2 to realize the positioning of the rigid circuit board 5, place the flexible circuit board 3 in the positioning seat one 1 to preliminarily position the flexible circuit board 3, sleeve the protrusion of the side edge of the flexible circuit board 3 on the positioning block 10, and realize the repositioning of the flexible circuit board 3 by the positioning block 10, thereby improving the positioning accuracy. The guide surface 11 on the side of the positioning block 10 is used for guiding when the protrusion 4 is sleeved on the positioning block 10, which facilitates the positioning of the protrusion 4 position;

[0041] After the flexible circuit board 3 and the rigid circuit board 5 are welded by tin soldering, the edge of the rigid circuit board 5 is pinched at the slot position and the rigid circuit board 5 is lifted, so that the rigid circuit board 5 is taken off together with the flexible circuit board 3, due to the soft characteristics of the flexible circuit board 3, the flexible circuit board 3 is bent and deformed during the taking-off process, when the bending deformation reaches the convex part position, the deformed convex part can drive the rubber supporting column 8 to be inclined through the positioning block 10, the flexible support of the rubber supporting column 8 to the positioning block 10 is utilized, so that the rubber supporting column 8 is inclined and the positioning block 10 is inclined synchronously, thereby adapting to the bending deformation of the convex part position, reducing the jamming between the convex part and the positioning block 10, facilitating the separation of the convex part and the positioning block 10, when the rubber supporting column 8 is inclined, the rubber connecting sheet 12 is deformed, the connecting surface 15 on the side of the rubber connecting sheet 12 is connected with the outer wall of the rubber supporting column 8, the inclined surfaces 16 at the top and bottom of the connecting surface 15 reduce the contact area between the rubber connecting sheet 12 and the rubber supporting column 8, and the resistance of the rubber connecting sheet 12 to the inclination of the rubber supporting column 8 is reduced, meanwhile, the oval-shaped through hole 13 and the arc-shaped groove 14 on the rubber connecting sheet 12 can help to provide a certain deformation space for the rubber connecting sheet 12 when the rubber supporting column 8 is inclined, and further reduce the resistance of the rubber connecting sheet 12 to the inclination of the rubber supporting column 8;

[0042] When the convex part is separated from the positioning block 10, the rubber supporting column 8 starts to reset under the action of the elastic force of itself and the rubber connecting sheet 12, during the resetting process of the rubber supporting column 8 after being inclined, the rubber connecting sheet 12 can improve the elastic force of the position of the rubber supporting column 8, assist the resetting of the rubber supporting column 8, and effectively maintain the accuracy and stability of the resetting of the rubber supporting column 8, and meanwhile, the upper plate 9 is in a horizontal state after the resetting of the rubber supporting column 8, at this time, whether the rubber supporting column 8 and the upper plate 9 are accurately reset can be judged by observing whether the indicating grooves 17 on the upper plate 9 and the indicating grooves 17 on the mounting seat 7 are aligned, so as to prevent the inaccurate resetting of the rubber supporting column from affecting the positioning of the flexible circuit board 3;

[0043] After the positioning block 10 is reset, the flexible circuit board 3 can be positioned again, so that the tin soldering connection of the flexible circuit board 3 and the rigid circuit board 5 can be realized again.

[0044] The utility model covers any alternative, modification, equivalent method and scheme which is made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the above preferred embodiment of the utility model, and the utility model can be completely understood without the description of these details for the person skilled in the art.

[0045] The above merely is preferred implementation manner of the present application, it should be pointed out, for ordinary skilled person in the technical field, on the premise of not departing from the principle of the present application, can also make several improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the present application.

Claims

1. A positioning device for FPC circuit board processing, comprising a positioning seat one (1) and a positioning seat two (2), the positioning seat one (1) is used for positioning a flexible circuit board (3), and the positioning seat two (2) is used for positioning a rigid circuit board (5), characterized in that, Also includes: The positioning mechanism (6) includes a mounting base (7). The top of the positioning base (1) is provided with a notch. The mounting base (7) is installed in the notch. Multiple rubber support columns (8) are fixed to the bottom of the inner wall of the mounting base (7). The top of the multiple rubber support columns (8) are connected to an upper plate (9). A positioning block (10) is fixed to the top of the upper plate (9). The positioning block (10) is inserted into the opening on the side protrusion (4) of the flexible circuit board (3). During positioning, the rigid circuit board (5) is placed on the second positioning seat (2) for positioning, and the flexible circuit board (3) is placed on the first positioning seat (1) for positioning. The positioning block (10) is inserted into the protrusion (4) on the side of the flexible circuit board (3) to achieve the repositioning of the flexible circuit board (3).

2. The positioning device for FPC circuit board processing according to claim 1, characterized in that, A rubber connecting piece (12) is connected between two adjacent rubber support columns (8), and the thickness of the rubber connecting piece (12) is less than the diameter of the rubber support column (8).

3. The positioning device for FPC circuit board processing according to claim 2, characterized in that, A through hole (13) is provided in the middle of the side of the rubber connecting piece (12), and the through hole (13) is elliptical.

4. The positioning device for FPC circuit board processing according to claim 3, characterized in that, The top and bottom of the rubber connecting piece (12) are provided with grooves (14), and the grooves (14) are arc-shaped and curved towards the through hole (13).

5. The positioning device for FPC circuit board processing according to claim 4, characterized in that, The side of the rubber connecting piece (12) is provided with a connecting surface (15), which is connected to the outer wall of the rubber support column (8). The top and bottom of the connecting surface (15) are provided with inclined surfaces (16).

6. The positioning device for FPC circuit board processing according to claim 1, characterized in that, The positioning block (10) has a guide surface (11) near the top on its side. The guide surface (11) is used to guide the protrusion (4) when it is fitted onto the positioning block (10).

7. The positioning device for FPC circuit board processing according to claim 1, characterized in that, The top of both the mounting base (7) and the upper plate (9) are provided with indicator grooves (17), which are long and narrow.

8. The positioning device for FPC circuit board processing according to claim 1, characterized in that, The second positioning seat (2) has a slot on the side away from the first positioning seat (1).

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