Novel flexible FPC circuit board bending die

Abstract

The utility model discloses a novel flexible FPC (flexible printed circuit) board bending die, which relates to the field of FPC board bending and comprises an upper die holder and a lower die holder, a punch cushion block is mounted at the bottom of the upper die holder, a punch is movably connected to the bottom of the punch cushion block, a slotting tool is arranged on the side edge of the punch, an inner stripper plate is mounted at the top of the lower die holder, and the inner stripper plate is movably connected to the punch cushion block. A push block is movably connected into an inner cavity of the inner stripping plate, a first inner guide column is inserted into an inner cavity of the push block, and a guide rail is installed at the bottom of the inner cavity of the inner stripping plate. According to the novel flexible FPC circuit board bending die, through the arrangement of the idler wheels, after the upper die base drives the slotting tool to press downwards, the idler wheels can make contact with the side edge of the push block, so that the push block can be moved towards the bending groove, and when bending work of a flexible FPC circuit board is conducted, the work efficiency is greatly improved. Therefore, the flexible FPC circuit board placed at the bottom of the punch cushion block can be bent.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of FPC circuit board's bending, especially a novel flexible FPC circuit board bending mould. BACKGROUND

[0002] FPC is a kind of printed circuit, and FPC is suitable for MP3, DVD, digital camera, mobile phone medical treatment, automobile and spaceflight and has the characteristics such as free bending, folding, winding, small volume, thin type, random movement and telescoping.

[0003] When the bending work of flexible FPC circuit board is carried out, most only have a station, so when needing to bend multiple positions of flexible FPC circuit board, the position of flexible FPC circuit board needs to be converted or the mould of air pressure needs to be prepared ceaselessly, so that bending efficiency and cost are influenced.

[0004] Therefore, it is necessary to provide a novel flexible FPC circuit board bending mould to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model mainly aims at providing a novel flexible FPC circuit board bending mould, which can effectively solve the problems in the background art.

[0006] To achieve the above object, the utility model adopts the technical scheme that

[0007] A novel flexible FPC circuit board bending mould, including upper die holder, lower die holder, the bottom of upper die holder is installed with punch pad, the bottom of punch pad is movably connected with punch, the side of punch is provided with plug-in cutter, the top of lower die holder is installed with inner stripper plate, the inner cavity of inner stripper plate is movably connected with push block, the inner cavity of push block is inserted with first inner guide column, the bottom of the inner cavity of inner stripper plate is installed with guide rail.

[0008] Preferably, the inner cavity of punch pad is installed with spring column, the bottom of spring column is installed at the top of punch, the bottom of punch is installed with heating pad, the number of punch pad, punch and spring column is three, and three punch pad, punch and spring column are evenly distributed at the bottom of upper die holder.

[0009] Preferably, the number of plug-in cutter is four, two plug-in cutters are located at the two sides of middle punch, and the other two plug-in cutters are located at the opposite side of two side punches, and the bottom of plug-in cutter is symmetrically rotatably connected with roller near the side of punch.

[0010] Preferably, the bottom of the push block is provided with a sliding block movably connected to the outer wall of the guide rail, the top of the lower die seat is provided with a bending groove extending to the inner cavity of the inner stripping plate, the first inner guide column is arranged in the inner cavity of the bending groove, and the push block is sleeved on the outer wall of the first inner guide column.

[0011] Preferably, the number of the push blocks is four, two of which are arranged at the bottom on both sides of the middle punch pad, and the other two are arranged at the bottom on the opposite side of the punch pad on both sides, the inner cavity of the lower die seat is provided with a second inner guide column, the number of the second inner guide column is three, and the second inner guide column is arranged in the inner cavity of the bending groove.

[0012] Preferably, the side of the push block close to the insert is inclined, the roller is arranged on the side of the push block, the punch pad is arranged on the top of the bending groove, the punch pad is arranged on the same axis as the bending groove, the inner stripping plate is symmetrically provided with a stop block on both sides, the push block is movably arranged in the inner cavity of the inner stripping plate and the bending groove, and the bottom of the insert and the roller are movably arranged in the inner cavity of the inner stripping plate.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] 1、The novel flexible FPC circuit board bending die, through the roller arranged, after the insert is pressed down by the upper die seat, the side of the push block is contacted, based on this, the push block can be moved to the bending groove, and when the flexible FPC circuit board is bent, the flexible FPC circuit board placed on the bottom of the punch pad can be bent.

[0015] 2、The novel flexible FPC circuit board bending die, through the punch and punch pad arranged, when the upper die seat is pressed down, the punch pad is pressed down by the punch, so that the punch pad can position the flexible FPC circuit board on the bottom, and meanwhile, the part of the flexible FPC circuit board needing to be bent can be extruded into the inner cavity of the bending groove, facilitating the push block to bend the flexible FPC circuit board subsequently.

[0016] 3、The novel flexible FPC circuit board bending die, through the sliding block and the first inner guide column arranged, when the push block moves, the sliding block can be guided, when the push block moves, the push block drives the sliding block to move at the guide rail, and meanwhile, the push block moves on the outer wall of the first inner guide column, through the heating gasket arranged, when bending, the part of the flexible FPC circuit board needing to be bent can be heated, based on this, the bending efficiency can be improved, and meanwhile, the multiple bending grooves, punches and push blocks arranged can bend multiple positions of the flexible FPC circuit board simultaneously, so that the flexible FPC circuit board can be bent in place at one time. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a plan view of the utility model;

[0018] Figure 2 is a sectional view of the utility model;

[0019] Figure 3 is a structure schematic view of the push block of the utility model;

[0020] Figure 4 is an unfolded view of the utility model.

[0021] In the figure: 1, upper die holder;2, lower die holder;3, stopper;4, punch pad;5, punch;6, insert knife;7, spring column;8, roller;9, push block;10, heating gasket;11, guide rail;12, sliding block;13, first inner guide column;14, bending groove;15, inner stripper;16, second inner guide column. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] For example, Figures 1-4The utility model discloses a novel flexible FPC circuit board bending die, including upper die seat 1, lower die seat 2, the bottom of upper die seat 1 is installed with punch pad 4, the bottom of punch pad 4 is movably connected with punch 5, the side of punch 5 is provided with plug knife 6, the top of lower die seat 2 is installed with inner stripper plate 15, the inner chamber of inner stripper plate 15 is movably connected with push block 9, the inner chamber of push block 9 is inserted with first inner guide column 13, the bottom of the inner chamber of inner stripper plate 15 is installed with guide rail 11, the inner chamber of punch pad 4 is installed with spring column 7, the bottom of spring column 7 is installed at the top of punch 5, the bottom of punch 5 is installed with heating pad 10, the number of punch pad 4, punch 5 and spring column 7 is three, three punch pad 4, punch 5 and spring column 7 are evenly distributed in the bottom of upper die seat 1, the number of plug knife 6 is four, and two plug knives 6 are located at the both sides of middle punch 5, and the other two plug knives 6 are located at the opposite side of two side punches 5, the bottom of plug knife 6 is symmetrically rotatably connected with gyro wheel 8 close to one side of punch 5, the bottom of push block 9 is installed with sliding block 12, sliding block 12 is movably connected to the outer wall of guide rail 11, the top of lower die seat 2 is provided with bending groove 14, bending groove 14 extends to the inner chamber of inner stripper plate 15, first inner guide column 13 is installed in the inner chamber of bending groove 14, push block 9 is sleeved on the outer wall of first inner guide column 13, the number of push block 9 is four, and two push blocks 9 are located at the bottom of the both sides of middle punch pad 4, and the other two push blocks 9 are located at the bottom of the opposite side of two side punch pads 4, second inner guide column 16 is installed in the inner chamber of lower die seat 2, the number of second inner guide column 16 is three, second inner guide column 16 is located in the inner chamber of bending groove 14, the side of push block 9 close to plug knife 6 is inclined, gyro wheel 8 is located at the side of push block 9, punch pad 4 is located at the top of bending groove 14, punch pad 4 is on the same axis with bending groove 14, the both sides of inner stripper plate 15 are symmetrically installed with stopper 3, push block 9 is movably connected in the inner chamber of inner stripper plate 15, the bottom of plug knife 6 and gyro wheel 8 are movably connected in the inner chamber of inner stripper plate 15;

[0024] Through the roller 8 arranged, after the upper die seat 1 drives the insert 6 to press down, the side of the push block 9 is contacted, based on this, the push block 9 can be moved to the bending groove 14, when the flexible FPC circuit board is bent, the flexible FPC circuit board placed on the punch pad 4 bottom can be bent, through the punch 5 and the punch pad 4 arranged, when the upper die seat 1 presses down, the punch 5 drives the punch pad 4 to press down, so that the punch pad 4 can position the flexible FPC circuit board on the bottom, and the part of the flexible FPC circuit board needing to be bent can be extruded into the inner cavity of the bending groove 14, facilitating the push block 9 to bend the flexible FPC circuit board, through the sliding block 12 and the first inner guide column 13 arranged, when the push block 9 moves, the sliding block 12 can be guided, when the push block 9 moves, the push block 9 drives the sliding block 12 to move in the guide rail 11, and moves on the outer wall of the first inner guide column 13, through the heating pad 10 arranged, when bending, the part of the flexible FPC circuit board needing to be bent can be heated, based on this, the bending efficiency can be improved.

[0025] Need to explain, the utility model discloses a novel flexible FPC circuit board bending mould, when using, the flexible FPC circuit board is placed on the top of inner stripping plate 15, the upper die seat 1 is pressed down, and the upper die seat 1 can drive punch 5 and insert 6 to press down, and after the punch 5 presses down, the punch pad 4 is pressed down, so that the punch pad 4 can position the flexible FPC circuit board, and the part of the flexible FPC circuit board needing to be bent is extruded into the inner cavity of the bending groove 14, after the insert 6 presses down, the roller 8 is contacted with the side of the push block 9, so that the push block 9 can move to the inner cavity of the bending groove 14, after the push block 9 moves, the sliding block 12 is moved in the guide rail 11, and when the push block 9 contacts the flexible FPC circuit board in the inner cavity of the bending groove 14, bending work can be carried out.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A novel flexible FPC circuit board bending mold, comprising an upper mold base (1) and a lower mold base (2), characterized in that: The bottom of the upper die holder (1) is provided with punch pads (4), the bottom of the punch pad (4) is movably connected with a punch (5), the side of the punch (5) is provided with a knife (6), the top of the lower die holder (2) is provided with an inner stripper plate (15), the inner cavity of the inner stripper plate (15) is movably connected with a push block (9), the inner cavity of the push block (9) is inserted with a first inner guide column (13), the bottom of the inner cavity of the inner stripper plate (15) is provided with a guide rail (11).

2. A novel flexible FPC circuit board bending mold according to claim 1, characterized in that: The inner cavity of the punch pad (4) is provided with a spring column (7), the bottom of the spring column (7) is installed on the top of the punch (5), the bottom of the punch (5) is provided with a heating pad (10), the number of the punch pad (4), the punch (5) and the spring column (7) is three, and the three punch pads (4), the punch (5) and the spring column (7) are evenly distributed on the bottom of the upper die holder (1).

3. The novel flexible FPC circuit board bending mold according to claim 2, characterized in that: The number of the knife (6) is four, two of which are located on both sides of the middle punch (5), and the other two are located on the opposite side of the punch (5) on both sides, and the bottom of the knife (6) is symmetrically connected with a roller (8) on the side close to the punch (5).

4. The novel flexible FPC circuit board bending mold according to claim 3, characterized in that: The bottom of the push block (9) is provided with a sliding block (12), the sliding block (12) is movably connected to the outer wall of the guide rail (11), the top of the lower die holder (2) is provided with a bending groove (14), the bending groove (14) extends to the inner cavity of the inner stripper plate (15), the first inner guide column (13) is installed in the inner cavity of the bending groove (14), and the push block (9) is sleeved on the outer wall of the first inner guide column (13).

5. The novel flexible FPC circuit board bending mold according to claim 4, characterized in that: The number of the push block (9) is four, two of which are located on the bottom of the punch pad (4) on both sides of the middle punch (5), and the other two are located on the bottom of the punch pad (4) on the opposite side of the punch (5) on both sides, the inner cavity of the lower die holder (2) is provided with a second inner guide column (16), the number of the second inner guide column (16) is three, and the second inner guide column (16) is located in the inner cavity of the bending groove (14).

6. The novel flexible FPC circuit board bending mold according to claim 5, characterized in that: The side close to the knife (6) of the push block (9) is inclined, the roller (8) is located on the side of the push block (9), the punch pad (4) is located on the top of the bending groove (14), the punch pad (4) and the bending groove (14) are on the same axis, the two sides of the inner stripper plate (15) are symmetrically provided with a stop block (3), the push block (9) is movably connected in the inner cavity of the inner stripper plate (15) and the bending groove (14), and the bottom of the knife (6) and the roller (8) are movably connected in the inner cavity of the inner stripper plate (15).

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