Positioning clamp for processing flexible circuit board

Abstract

The utility model discloses a positioning fixture for processing a flexible circuit board, which comprises a bottom plate, a first positioning seat, a pressing block, a position adjusting platform, a second positioning seat and a bending mechanism, the position adjusting platform is connected with the first positioning seat, the second positioning seat is arranged at the side end of the first positioning seat, and the bending mechanism is arranged at the side end of the second positioning seat. And the bending mechanism is arranged between the first positioning seat and the second positioning seat. The first positioning seat can bear the main circuit board of the flexible circuit board, the adsorption supporting plate of the bending mechanism can adsorb the auxiliary circuit board of the flexible circuit board, and when the auxiliary circuit board needs to be bent, the servo motor can drive the adsorption supporting plate to turn over by an angle, so that the auxiliary circuit board adsorbed on the adsorption supporting plate is bent; the position adjusting platform can adjust the position of the first positioning seat, so that the flexible circuit board is in a correct position in the machining process, and the machining precision and accuracy are ensured; the auxiliary circuit board can be limited and fixed through the positioning groove, and bending machining errors caused by the inaccurate position of the auxiliary circuit board are avoided.

Description

Technical Field

[0001] The utility model relates to the field of flexible circuit board positioning fixtures, in particular to a positioning fixture for processing flexible circuit boards. Background Art

[0002] Flexible printed circuit Board, also known as "soft board", is a printed circuit made of flexible insulating substrate. It has many advantages that rigid printed circuit boards do not have. It can be bent, wound, and folded freely, and can be arranged arbitrarily according to spatial layout requirements, and can be moved and stretched arbitrarily in three-dimensional space, thereby achieving the integration of component assembly and wire connection. The use of flexible circuit boards can greatly reduce the size of electronic products, which is suitable for the development of electronic products towards high density, miniaturization, and high reliability.

[0003] In the prior art, when a flexible circuit board is processed and bent, the flexible circuit board needs to be positioned and clamped to prevent displacement during the bending process. Conventional positioning fixtures generally only clamp the main circuit board area of ​​the flexible circuit board, and the extended secondary circuit board area is usually suspended, which is prone to deformation and affects the bending accuracy. Moreover, when the flexible circuit board on the fixture is bent, it is usually bent manually with tweezers. This method has poor shape consistency, slow speed and is easy to break, and requires a high level of operation skills from employees.

[0004] Therefore, the prior art has defects and needs to be improved. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a positioning fixture for processing a flexible circuit board which has stable positioning and clamping and improves production efficiency.

[0006] To achieve this purpose, the utility model adopts the following technical solutions: a positioning fixture for processing a flexible circuit board, comprising a bottom plate, a first positioning seat, a pressing block, a position adjustment platform, a second positioning seat and a bending mechanism;

[0007] The position adjustment platform is arranged on the bottom plate and connected to the first positioning seat to adjust the position of the first positioning seat; the first positioning seat is used to carry the main circuit board of the flexible circuit board, and the first positioning seat is provided with a plurality of first adsorption holes, which are connected to a vacuum source to adsorb the main circuit board of the flexible circuit board, and a plurality of pressing blocks are arranged on the first positioning seat to press the main circuit board of the flexible circuit board onto the first positioning seat;

[0008] The second positioning seat is arranged at the side end of the first positioning seat, and the bending mechanism is arranged between the first positioning seat and the second positioning seat; the bending mechanism comprises a servo motor, a support frame and an adsorption support plate, the support frame is located on both sides of the auxiliary circuit board, the adsorption support plate is rotatably connected to the support frame, and the output shaft of the servo motor is connected to the adsorption support plate through a rotating shaft;

[0009] The adsorption tray is provided with a plurality of second adsorption holes, which are used to adsorb the auxiliary circuit board of the flexible circuit board. The shape of the adsorption tray is the same as that of the auxiliary circuit board. The second positioning seat is provided with a positioning groove for accommodating the adsorption tray.

[0010] According to the above technical solution, in the positioning fixture for processing flexible circuit boards, the position adjustment platform includes an X-axis moving component, a Y-axis moving component and a rotating table;

[0011] The X-axis moving assembly is arranged on the bottom plate, the Y-axis moving assembly is connected to the movable end of the X-axis moving assembly, the bottom of the rotating table is connected to the movable end of the Y-axis moving assembly, and the top of the rotating table is connected to the first positioning seat.

[0012] By adopting the above-mentioned technical solutions, in the positioning fixture for processing flexible circuit boards, the pressure block is provided with a waist-shaped groove for the locking bolt to pass through, and the first positioning seat is provided with a plurality of sliding grooves along its length direction, and the sliding grooves are used to place the pressure block. The sliding grooves are provided with a plurality of threaded holes, and the threaded holes are used to be locked and connected with the locking bolts.

[0013] By adopting the above-mentioned technical solutions, in the positioning fixture for processing flexible circuit boards, the bending mechanism also includes a hollow connecting block, which is arranged on both sides of the adsorption tray and is connected to the adsorption tray. The hollow connecting block is provided with an exhaust hole, which is used to connect to an exhaust hose.

[0014] By adopting the above-mentioned technical solutions, in the positioning fixture for processing the flexible circuit board, the X-axis moving component and the Y-axis moving component have the same structure;

[0015] The X-axis moving assembly includes a mounting seat, a knob, a screw and a slide seat, the screw is arranged on the mounting seat, the knob is connected to the shaft end of the screw, the screw can rotate with the rotation of the knob, the bottom of the slide seat is threadedly connected to the screw via a threaded seat, and the slide seat moves on the screw with the rotation of the screw.

[0016] By adopting the above-mentioned technical solutions, in the positioning fixture for processing flexible circuit boards, the X-axis moving assembly also includes a dust-proof accordion cover, and the dust-proof accordion cover is arranged between the sliding seat and the mounting seat to close the opening arranged on the top of the mounting seat.

[0017] By adopting the above-mentioned technical solutions, in the positioning fixture for processing the flexible circuit board, the depth of the positioning groove is greater than the thickness of the adsorption support plate.

[0018] By adopting the above-mentioned technical solutions, in the positioning fixture for processing the flexible circuit board, the second positioning seat includes a base, a first side plate and a second side plate;

[0019] The base is arranged on the bottom plate, the first side plate and the second side plate are detachably connected to two sides of the top of the base, and a positioning groove having the same shape as the adsorption support plate is formed between the first side plate and the second side plate.

[0020] By adopting the above-mentioned technical solutions, in the positioning fixture for processing the flexible circuit board, the pressing block is made of polyurethane material.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] The first positioning seat of the utility model can carry the main circuit board of the flexible circuit board, and the adsorption support plate of the bending mechanism can adsorb the auxiliary circuit board of the flexible circuit board. When the auxiliary circuit board needs to be bent, the servo motor can drive the adsorption support plate to flip the angle so that the auxiliary circuit board adsorbed thereon can be bent. The servo motor has high-precision position control capability, which can realize accurate control of the flipping process and ensure the accuracy of the bending operation; the position adjustment platform can adjust the position of the first positioning seat so that the flexible circuit board is in the correct position during the processing, ensuring the processing precision and accuracy; the depth of the positioning groove is set to be greater than the thickness of the adsorption support plate. In this way, the auxiliary circuit board can be limited and fixed when it is positioned and placed, avoiding bending processing errors caused by inaccurate position of the auxiliary circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0024] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention.

[0025] Figure 1 This is a schematic diagram of the installation structure of the flexible circuit board of the utility model;

[0026] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of the first positioning seat of the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the second positioning seat of the utility model;

[0029] Figure 5 This is a schematic diagram of the position adjustment platform structure of the utility model;

[0030] Figure 6 It is a schematic diagram of the explosion structure of the position adjustment platform of the utility model. DETAILED DESCRIPTION

[0031] In order to make the utility model's purpose, features, and advantages more obvious and easy to understand, the following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the embodiments described below are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 therefore cannot be understood as a limitation on the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally arranged component at the same time.

[0033] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0034] like Figures 1 to 6 As shown, the embodiment of the utility model provides a positioning fixture for processing a flexible circuit board, including a base plate 1, a first positioning seat 2, a pressing block 3, a position adjustment platform 4, a second positioning seat 5 and a bending mechanism 6;

[0035] The position adjustment platform 4 is arranged on the base plate 1 and connected to the first positioning seat 2 for adjusting the position of the first positioning seat 2; the first positioning seat 2 is used to carry the main circuit board 71 of the flexible circuit board, and the first positioning seat 2 is provided with a plurality of first adsorption holes 21, and the first adsorption holes 21 are connected to the vacuum source for adsorbing the main circuit board 71 of the flexible circuit board, and a plurality of pressing blocks 3 are arranged on the first positioning seat 2 for pressing the main circuit board 71 of the flexible circuit board onto the first positioning seat 2; through vacuum adsorption, the main circuit board 71 can be firmly fixed on the first positioning seat 2 to prevent movement or shaking during the processing, and the pressing block 3 can provide a certain pressure on the main circuit board 71 to avoid the main circuit board 71 from loosening or damage during the bending process, thereby improving the processing reliability; the position adjustment platform 4 can adjust the position of the first positioning seat 2 to ensure that the main circuit board 71 is correctly positioned and aligned.

[0036] like Figure 1 and Figure 2 As shown, the second positioning seat 5 is arranged at the side end of the first positioning seat 2, and the bending mechanism 6 is arranged between the first positioning seat 2 and the second positioning seat 5; the bending mechanism 6 includes a servo motor 61, a support frame 62 and an adsorption support plate 63, the support frame 62 is located on both sides of the auxiliary circuit board 72, the adsorption support plate 63 can be rotatably connected to the support frame 62, the output shaft of the servo motor 61 is connected to the adsorption support plate 63 through a rotating shaft, and the adsorption support plate 63 is provided with a plurality of second adsorption holes 631, the second adsorption holes 631 are used to adsorb the auxiliary circuit board 72 of the flexible circuit board, the shape of the adsorption support plate 63 is the same as that of the auxiliary circuit board 72, and the second positioning seat 5 is provided with a positioning groove 51 for accommodating the adsorption support plate 63. When the auxiliary circuit board 72 needs to be bent, the servo motor 61 can drive the adsorption support plate 63 to flip the angle through the output shaft, so that the auxiliary circuit board 72 fixed thereon can be bent. The servo motor 61 has high-precision position control capability, which can realize motion control of the bending process and ensure the accuracy of the bending operation.

[0037] like Figure 1 and Figure 5As shown, further, the position adjustment platform 4 includes an X-axis moving component 41, a Y-axis moving component 42 and a rotating table 43; the X-axis moving component 41 is arranged on the bottom plate 1, the Y-axis moving component 42 is connected to the movable end of the X-axis moving component 41, the bottom of the rotating table 43 is connected to the movable end of the Y-axis moving component 42, and the top of the rotating table 43 is connected to the first positioning seat 2. Through the X-axis moving component 41 and the Y-axis moving component 42, the horizontal and vertical positions of the flexible circuit board can be adjusted respectively, and the horizontal angle of the flexible circuit board can be adjusted through the rotating table 43. Such a setting can ensure that the flexible circuit board is in the correct position during the processing, and ensure the processing precision and accuracy.

[0038] like Figure 3 As shown, further, the pressing block 3 is provided with a waist-shaped groove 31 for the locking bolt to pass through, and the first positioning seat 2 is provided with a plurality of slide grooves 22 along its length direction, and the slide groove 22 is used to place the pressing block 3. The slide groove 22 is provided with a plurality of threaded holes 221, and the threaded holes 221 are used to be locked and connected with the locking bolts. Such a setting can facilitate the user to quickly adjust the position of the pressing block 3 according to the different sizes of the flexible circuit board to adapt to the processing requirements of different flexible circuit boards.

[0039] like Figure 2 As shown, further, the bending mechanism 6 also includes a hollow connecting block 64, and the hollow connecting block 64 is arranged on both sides of the adsorption tray 63 and is connected to the adsorption tray 63. The hollow connecting block 64 is provided with an exhaust hole 641, and the exhaust hole 641 is used to connect with the exhaust hose. Such a setting can avoid the external exhaust hose from colliding with the secondary circuit board 72 on the adsorption tray 63 during the bending and rotation process of the adsorption tray 63, thereby causing bending interference.

[0040] like Figure 5 and Figure 6As shown, further, the X-axis moving component 41 has the same structure as the Y-axis moving component 42, and the X-axis moving component 41 includes a mounting seat 411, a knob 412, a screw rod 413 and a slide seat 414, the screw rod 413 is arranged on the mounting seat 411, the knob 412 is connected to the axial end of the screw rod 413, the screw rod 413 can rotate with the rotation of the knob 412, and the bottom of the slide seat 414 is threadedly connected to the screw rod 413 through a threaded seat 415, and the slide seat 414 moves on the screw rod 413 with the rotation of the screw rod 413. When the knob 412 is rotated, the screw rod 413 can be driven to rotate together. Due to the threaded structure on the screw rod 413, the slide 414 can move on the X-axis as the screw rod 413 rotates. By controlling the rotation direction and amplitude of the knob 412, the position of the slide 414 on the X-axis can be conveniently adjusted, thereby realizing the movement and positioning of the flexible circuit board in the X-axis direction.

[0041] like Figure 5 and Figure 6 As shown, further, the X-axis moving assembly 41 also includes a dustproof accordion cover 416, which is arranged between the slide seat 414 and the mounting seat 411 to close the opening arranged on the top of the mounting seat 411. The dustproof accordion cover 416 can keep the interior of the X-axis moving assembly 41 clean and ensure the normal operation of the mechanical parts.

[0042] like Figure 1 and Figure 2 As shown, further, the depth of the positioning groove 51 is greater than the thickness of the adsorption support plate 63. Such an arrangement allows the auxiliary circuit board 72 to be limited and fixed when positioned, thereby avoiding bending errors caused by inaccurate positioning of the auxiliary circuit board 72.

[0043] like Figure 4 As shown, further, the second positioning seat 5 includes a base 51, a first side plate 52 and a second side plate 53, the base 51 is arranged on the bottom plate 1, the first side plate 52 and the second side plate 53 are detachably connected to both sides of the top of the base 51, and a positioning groove 51 having the same shape as the adsorption support plate 63 is formed between the first side plate 52 and the second side plate 53. The first side plate 52 and the second side plate 53 are detachably connected to the base 51, so that the user can replace the first side plate 52 and the second side plate 53 with shapes adapted to the auxiliary circuit board 72 of different shapes, thereby increasing the flexibility of the clamp.

[0044] Furthermore, the pressing block 3 is made of polyurethane material, which is relatively soft and can reduce damage and scratches on the surface of the flexible circuit board.

[0045] The first positioning seat 2 of the utility model can carry the main circuit board 71 of the flexible circuit board, and the adsorption support plate 63 of the bending mechanism 6 can adsorb the auxiliary circuit board 72 of the flexible circuit board. When the auxiliary circuit board 72 needs to be bent, the servo motor 61 can drive the adsorption support plate 63 to flip the angle so that the auxiliary circuit board 72 adsorbed thereon can be bent. The servo motor 61 has a high-precision position control capability, which can realize accurate control of the flipping process and ensure the accuracy of the bending operation; the position adjustment platform 4 can adjust the position of the first positioning seat 2 so that the flexible circuit board is in the correct position during the processing, ensuring the processing precision and accuracy; the depth of the positioning groove 51 is set to be greater than the thickness of the adsorption support plate 63. In this way, the auxiliary circuit board 72 can be limited and fixed when it is positioned and placed, avoiding bending processing errors caused by inaccurate position of the auxiliary circuit board 72.

[0046] As described above, the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some of the technical features can be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A positioning fixture for processing flexible circuit boards, It is characterized in that It includes a bottom plate, a first positioning seat, a pressing block, a position adjustment platform, a second positioning seat and a bending mechanism; The position adjustment platform is arranged on the bottom plate and connected to the first positioning seat to adjust the position of the first positioning seat; the first positioning seat is used to carry the main circuit board of the flexible circuit board, and the first positioning seat is provided with a plurality of first adsorption holes, which are connected to a vacuum source to adsorb the main circuit board of the flexible circuit board, and a plurality of pressing blocks are arranged on the first positioning seat to press the main circuit board of the flexible circuit board onto the first positioning seat; The second positioning seat is arranged at the side end of the first positioning seat, and the bending mechanism is arranged between the first positioning seat and the second positioning seat; the bending mechanism comprises a servo motor, a support frame and an adsorption support plate, the support frame is located on both sides of the auxiliary circuit board, the adsorption support plate is rotatably connected to the support frame, and the output shaft of the servo motor is connected to the adsorption support plate through a rotating shaft; The adsorption tray is provided with a plurality of second adsorption holes, which are used to adsorb the auxiliary circuit board of the flexible circuit board. The shape of the adsorption tray is the same as that of the auxiliary circuit board. The second positioning seat is provided with a positioning groove for accommodating the adsorption tray.

2. The positioning fixture for processing a flexible circuit board according to claim 1, It is characterized in that The position adjustment platform includes an X-axis moving component, a Y-axis moving component and a rotating table; The X-axis moving assembly is arranged on the bottom plate, the Y-axis moving assembly is connected to the movable end of the X-axis moving assembly, the bottom of the rotating table is connected to the movable end of the Y-axis moving assembly, and the top of the rotating table is connected to the first positioning seat.

3. The positioning fixture for processing a flexible circuit board according to claim 1, It is characterized in that The pressing block is provided with a waist-shaped groove for the locking bolt to pass through, and the first positioning seat is provided with a plurality of slide grooves along its length direction, the slide grooves are used to place the pressing block, and the slide grooves are provided with a plurality of threaded holes, and the threaded holes are used to be locked and connected with the locking bolts.

4. The positioning fixture for processing a flexible circuit board according to claim 1, It is characterized in that The bending mechanism also includes a hollow connecting block, which is arranged on both sides of the adsorption support plate and is connected to the adsorption support plate. The hollow connecting block is provided with an air extraction hole, which is used to be connected to an air extraction hose.

5. The positioning fixture for processing a flexible circuit board according to claim 2, It is characterized in that The X-axis moving component has the same structure as the Y-axis moving component; The X-axis moving assembly includes a mounting seat, a knob, a screw and a slide seat, the screw is arranged on the mounting seat, the knob is connected to the shaft end of the screw, the screw can rotate with the rotation of the knob, the bottom of the slide seat is threadedly connected to the screw via a threaded seat, and the slide seat moves on the screw with the rotation of the screw.

6. The positioning fixture for processing a flexible circuit board according to claim 5, It is characterized in that The X-axis moving assembly also includes a dustproof accordion cover, which is arranged between the sliding seat and the mounting seat to close the opening arranged on the top of the mounting seat.

7. The positioning fixture for processing a flexible circuit board according to claim 1, It is characterized in that The depth of the positioning groove is greater than the thickness of the adsorption support plate.

8. The positioning fixture for processing a flexible circuit board according to claim 1, It is characterized in that The second positioning seat includes a base, a first side plate and a second side plate; The base is arranged on the bottom plate, the first side plate and the second side plate are detachably connected to two sides of the top of the base, and a positioning groove having the same shape as the adsorption support plate is formed between the first side plate and the second side plate.

9. The positioning fixture for processing a flexible circuit board according to claim 1, It is characterized in that The pressing block is made of polyurethane material.

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