Punching tool for FPC (Flexible Printed Circuit)

Abstract

The utility model belongs to the technical field of FPC (flexible printed circuit) board punching, and particularly relates to an FPC board punching tool which comprises a base, a placing table is mounted on the base, two groups of mounting plates are symmetrically mounted on the placing table, an electric telescopic rod is mounted on the inner wall of a lifting groove, a push rod is mounted on the electric telescopic rod, and the lifting groove is provided with a push rod. The push rod is fixedly connected with the lifting block, a pressing plate is installed on the lifting block, an indicator lamp is installed on the pressing plate, a movable plate is assembled in the plate groove, a limiting block is installed on the movable plate, a first electrode plate is installed on the limiting block, and a second electrode plate is installed on the inner wall of the limiting groove. The electric telescopic rod stops operating and the pressing plate stops moving at the moment that the pressing plate is in contact with the FPC circuit board, so that the pressing force of the FPC circuit board is controlled, the damage to the FPC circuit board caused by overlarge pressing force is avoided by controlling the pressing force, and the protection performance of the FPC circuit board is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to FPC circuit board punching technical field, specifically a kind of FPC circuit board punching tool. BACKGROUND

[0002] FPC circuit board is with polyimide or polyester film as base material made of a kind of with high reliability, excellent flexible printed circuit board, with the characteristics of high wiring density, light weight, thin, good bending, in the production and manufacture of FPC circuit board, punching tool is needed to be used to the punching processing of pin hole and mounting hole to FPC circuit board.

[0003] One Chinese patent with publication number CN 207954056 U discloses a kind of FPC board punching device, including rack, at least four clamping mechanisms are provided on the rack, the clamping mechanism clamps FPC edge and tightens FPC, rack is provided with punching mechanism for punching above FPC, the lower end of the punching mechanism is connected with moving mechanism, the moving mechanism is located below FPC and can drive punching mechanism to move forward and backward and left and right.This FPC board punching device completes the clamping and punching operation of FPC by rack, clamping mechanism, punching mechanism and moving mechanism, wherein, multiple clamping mechanisms cooperate to clamp and tighten FPC, punching mechanism and moving mechanism complete punching operation to FPC, to complete automatic punching operation.

[0004] The existing punching tool is usually needed to press and fix FPC circuit board in the process of punching processing to FPC circuit board, since it cannot control pressing force, it is easy to cause damage to FPC circuit board due to excessive pressing force, leading to poor protection of FPC circuit board;Therefore, aiming at the above problems, a kind of FPC circuit board punching tool is proposed. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of prior art, solve the problems existing in prior art, the utility model proposes a kind of FPC circuit board punching tool.

[0006] The utility model discloses a technical scheme that solves its technical problem adopts a kind of FPC circuit board punching tool, including base, placing table is installed on the base, control panel is installed on the placing table side wall, placing groove is opened on the placing table, two groups of mounting plate are symmetrically installed on the placing table, lifting groove is opened in the mounting plate, lifting block is assembled in the lifting groove, electric telescopic handle is installed on the lifting groove inner wall, push rod is installed on the electric telescopic handle, the push rod is fixedly connected with lifting block, pressing plate is installed on the lifting block, indicating lamp is installed on the pressing plate, plate groove and limit groove are opened in the pressing plate inside, moving plate is assembled in the plate groove, limit block is installed on the moving plate, the limit block is assembled in the limit groove, first electrode piece is installed on the limit block, second electrode piece is installed on the limit groove inner wall, spring is installed between the limit block and limit groove, first electrode piece and second electrode piece are connected with indicating lamp by internal circuit, indicating lamp is connected with control panel by internal circuit, control panel is connected with electric telescopic handle by internal circuit, by placing FPC circuit board in the placing groove of placing table, pressing plate is pressed to FPC circuit board downwards, in the instant of the contact of pressing plate and FPC circuit board, electric telescopic handle stops operating, pressing plate stops moving, the control of the pressing degree of FPC circuit board is realized, by controlling pressing degree, avoid pressing degree too big to cause damage to FPC circuit board, it is beneficial to improve the protectivity to FPC circuit board.

[0007] Preferably, the placing table is internally provided with an assembly groove, a collecting box is placed in the assembly groove, a plurality of discharging holes are formed in the top plate of the assembly groove, a first guide plate is installed on the placing table, a first guide groove is formed in the first guide plate, a first stepping motor is installed on the side wall of the first guide plate through a machine base, a first lead screw is installed on the output shaft of the first stepping motor, the first lead screw is rotationally installed on the inner wall of the first guide groove, a first guide block is assembled in the first guide groove, a supporting rod is installed on the first guide block, a second guide plate is installed on the supporting rod, a second guide groove is formed in the second guide plate, a second stepping motor is installed on the side wall of the second guide plate through a machine base, a second lead screw is installed on the output shaft of the second stepping motor, the second lead screw is rotationally installed on the inner wall of the second guide groove, a second guide block is assembled in the second guide groove, a moving frame is installed on the second guide block, a hydraulic cylinder is installed on the moving frame, a hydraulic rod is installed on the hydraulic cylinder, a guide frame is installed on the bottom side of the hydraulic rod, the guide frame is in sliding connection with the inner wall of the moving frame, and a punch is installed on the bottom side of the guide frame.

[0008] The utility model has the advantages that:

[0009] 1. The FPC circuit board is placed in the placing groove of the placing table, the pressing plate presses the FPC circuit board downwards, the electric telescopic rod stops operating at the moment when the pressing plate contacts the FPC circuit board, and the pressing plate stops moving, thereby controlling the pressing force of the FPC circuit board, avoiding damage to the FPC circuit board caused by excessive pressing force, and improving the protection of the FPC circuit board.

[0010] 2. After the punch is accurately moved to the punching position of the FPC circuit board through the control panel, the hydraulic cylinder operates, the hydraulic rod drives the punch to move vertically downwards, the punch punches the FPC circuit board, the generated waste falls into the collecting box from the discharging hole, the waste is quickly collected, and the convenience of waste collection is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings described below are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0012] Figure 1 It is a first perspective view of the structure diagram;

[0013] Figure 2 It is a mounting plate structure diagram;

[0014] Figure 3 It is a pressure plate internal structure diagram;

[0015] Figure 4 It is a placing table internal structure diagram;

[0016] Figure 5 It is a punch structure diagram.

[0017] In the drawings: 1, base; 2, placing table; 3, control panel; 4, placing groove; 5, mounting plate; 6, lifting groove; 7, lifting block; 8, electric telescopic rod; 9, push rod; 10, pressure plate; 11, indicating lamp; 12, plate groove; 13, limiting groove; 14, moving plate; 15, limiting block; 16, first electrode sheet; 17, second electrode sheet; 18, spring; 19, assembly groove; 20, material collecting box; 21, blanking hole; 22, first guide plate; 23, first guide groove; 24, first stepper motor; 25, first screw rod; 26, first guide block; 27, support rod; 28, second guide plate; 29, second guide groove; 30, second stepper motor; 31, second screw rod; 32, second screw rod; 33, moving frame; 34, hydraulic cylinder; 35, hydraulic rod; 36, guide frame; 37, punch. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0019] Please refer to Figures 1-3As shown, a kind of FPC circuit board punching tool, including base 1, base 1 is installed with placement table 2, control panel 3 is installed on the side wall of placement table 2, placement groove 4 is opened in placement table 2, two sets of installation plate 5 are symmetrically installed on placement table 2, lifting groove 6 is opened in installation plate 5, lifting block 7 is assembled in lifting groove 6, electric telescopic rod 8 is installed on the inner wall of lifting groove 6, push rod 9 is installed on electric telescopic rod 8, push rod 9 is fixedly connected with lifting block 7, pressing plate 10 is installed on lifting block 7, indicating lamp 11 is installed on pressing plate 10, plate slot 12 and limiting slot 13 are opened in the inside of pressing plate 10, moving plate 14 is assembled in plate slot 12, limiting block 15 is installed on moving plate 14, limiting block 15 is assembled in limiting slot 13, first electrode sheet 16 is installed on limiting block 15, second electrode sheet 17 is installed on the inner wall of limiting slot 13, spring 18 is installed between limiting block 15 and limiting slot 13, first electrode sheet 16 and second electrode sheet 17 are connected with indicating lamp 11 by internal circuit, indicating lamp 11 is connected with control panel 3 by internal circuit, control panel 3 is connected with electric telescopic rod 8 by internal circuit;When working, the existing punching tool is usually needed to press and fix FPC circuit board in the process of punching FPC circuit board, since the pressing force cannot be controlled, it is easy to cause damage to FPC circuit board due to excessive pressing force, so that the protective property of FPC circuit board is poor, by placing FPC circuit board in the placement groove 4 of placement table 2, control panel 3 controls the operation of two sets of electric telescopic rods 8, push rod 9 drives lifting block 7 to move vertically downward, lifting block 7 drives pressing plate 10 to move vertically downward, pressing plate 10 presses FPC circuit board downward, in the process of pressing, moving plate 14 on the bottom side of pressing plate 10 first contacts FPC circuit board, then moving plate 14 is pushed into plate slot 12 by FPC circuit board, moving plate 14 drives limiting block 15 to move vertically upward, limiting block 15 drives first electrode sheet 16 to move vertically upward, when pressing plate 10 is attached to FPC circuit board, moving plate 14 is completely pushed into plate slot 12, at this time, first electrode sheet 16 contacts second electrode sheet 17, so that the internal circuit of indicating lamp 11 on pressing plate 10 is connected, indicating lamp 11 sends electric signal to control panel 3 after being turned on, control panel 3 controls electric telescopic rod 8 to stop operating at the moment of receiving electric signal, that is, at the moment when pressing plate 10 contacts FPC circuit board, electric telescopic rod 8 stops operating, pressing plate 10 stops moving, the control of pressing force of FPC circuit board is realized, by controlling pressing force, it is avoided that FPC circuit board is damaged due to excessive pressing force, which is beneficial to improve the protective property of FPC circuit board.

[0020] Please refer to Figures 4-5As shown, the placing table 2 is internally provided with an assembly groove 19, the assembly groove 19 is internally provided with a material collecting box 20, the top plate of the assembly groove 19 is provided with a plurality of discharging holes 21, the placing table 2 is provided with a first guide plate 22, the first guide plate 22 is internally provided with a first guide groove 23, the first guide plate 22 is provided with a first stepping motor 24 on the side wall through the machine base, the output shaft of the first stepping motor 24 is provided with a first lead screw 25, the first lead screw 25 is rotatably installed on the inner wall of the first guide groove 23, the first guide groove 23 is internally provided with a first guide block 26, the first guide block 26 is provided with a supporting rod 27, the supporting rod 27 is provided with a second guide plate 28, the second guide plate 28 is internally provided with a second guide groove 29, the second guide plate 28 is provided with a second stepping motor 30 on the side wall through the machine base, the output shaft of the second stepping motor 30 is provided with a second lead screw 31, the second lead screw 31 is rotatably installed on the inner wall of the second guide groove 29, the second guide groove 29 is internally provided with a second guide block 32, the second guide block 32 is provided with a moving frame 33, the moving frame 33 is provided with a hydraulic cylinder 34, the hydraulic cylinder 34 is provided with a hydraulic rod 35, the hydraulic rod 35 is provided with a guide frame 36 on the bottom side, the guide frame 36 is slidably connected with the inner wall of the moving frame 33, and the guide frame 36 is provided with a punch 37 on the bottom side; When working, the existing punching tool cannot quickly collect the waste left over during the punching process of the FPC circuit board, which leads to poor convenience of waste collection. The control system in the control panel 3 controls the operation of the first stepping motor 24 and the second stepping motor 30, so as to adjust the position of the punch 37. That is, the first stepping motor 24 operates to drive the first lead screw 25 to rotate, the first lead screw 25 drives the first guide block 26 above it to move horizontally left and right, the first guide block 26 drives the supporting rod 27 to move horizontally left and right, the supporting rod 27 drives the second guide plate 28 to move horizontally left and right, and the second guide plate 28 drives the punch 37 above it to move horizontally left and right, so as to realize the horizontal left and right movement of the punch 37. Through the second stepping motor 30, the second lead screw 31 is driven to rotate, the second lead screw 31 drives the second guide block 32 above it to move horizontally forward and backward, the second guide block 32 drives the moving frame 33 to move horizontally forward and backward, the moving frame 33 drives the hydraulic cylinder 34 and the hydraulic rod 35 to move horizontally forward and backward, and the hydraulic rod 35 drives the punch 37 to move horizontally forward and backward, so as to realize the horizontal forward and backward movement of the punch 37.

[0021] After the punch 37 is accurately moved to the punching position of the FPC circuit board through the control panel 3, the hydraulic cylinder 34 operates, the hydraulic rod 35 drives the punch 37 to move vertically downward, the punch 37 punches the FPC circuit board, and the generated waste falls from the discharging hole 21 into the material collecting box 20, so as to realize the quick collection of waste and improve the convenience of waste collection.

[0022] The working principle is that in the process of punching the FPC circuit board, the existing punching tool usually needs to press and fix the FPC circuit board. Since the pressing force cannot be controlled, the FPC circuit board is easily damaged due to excessive pressing force, resulting in poor protection of the FPC circuit board. The FPC circuit board is placed in the placing groove 4 of the placing table 2, the control panel 3 controls the operation of the two groups of electric telescopic rods 8, the push rod 9 drives the lifting block 7 to move vertically downward, the lifting block 7 drives the pressing plate 10 to move vertically downward, and the pressing plate 10 presses the FPC circuit board downward. In the process of pressing, the moving plate 14 on the bottom side of the pressing plate 10 first contacts the FPC circuit board, and then the moving plate 14 is pushed into the plate groove 12 by the FPC circuit board. The moving plate 14 drives the limiting block 15 to move vertically upward, the limiting block 15 drives the first electrode sheet 16 to move vertically upward, and when the pressing plate 10 is in contact with the FPC circuit board, the moving plate 14 is completely pushed into the plate groove 12. At this time, the first electrode sheet 16 contacts the second electrode sheet 17, so that the internal circuit of the indicator light 11 on the pressing plate 10 is connected, and the indicator light 11 sends an electric signal to the control panel 3 after being turned on. The control panel 3 controls the electric telescopic rod 8 to stop operating at the moment of receiving the electric signal, that is, the pressing plate 10 contacts the FPC circuit board at the moment, the electric telescopic rod 8 stops operating, and the pressing plate 10 stops moving. The control of the pressing force of the FPC circuit board is realized, the pressing force is controlled, the damage of the FPC circuit board caused by excessive pressing force is avoided, and the protection of the FPC circuit board is improved. In the process of punching the FPC circuit board, the existing punching tool cannot quickly collect the waste left by punching, resulting in poor convenience of waste collection. The control system in the control panel 3 controls the first and second stepping motors 24 and 30 to operate, and the position of the punch 37 is adjusted. That is, the first stepping motor 24 operates to drive the first lead screw 25 to rotate, the first lead screw 25 drives the first guide block 26 on it to move horizontally left and right, the first guide block 26 drives the support rod 27 to move horizontally left and right, the support rod 27 drives the second guide plate 28 to move horizontally left and right, the second guide plate 28 drives the punch 37 on it to move horizontally left and right, and the horizontal left and right movement of the punch 37 is realized. The second stepping motor 30 drives the second lead screw 31 to rotate, the second lead screw 31 drives the second guide block 32 on it to move horizontally forward and backward, the second guide block 32 drives the moving frame 33 to move horizontally forward and backward, the moving frame 33 drives the hydraulic cylinder 34 and the hydraulic rod 35 to move horizontally forward and backward, the hydraulic rod 35 drives the punch 37 to move horizontally forward and backward, and the horizontal forward and backward movement of the punch 37 is realized. After the control panel 3 controls the punch 37 to accurately move to the punching position of the FPC circuit board, the hydraulic cylinder 34 operates, the hydraulic rod 35 drives the punch 37 to move vertically downward, the punch 37 punches the FPC circuit board, the generated waste falls from the discharging hole 21 into the collecting box 20, and the waste is quickly collected, which improves the convenience of waste collection.

[0023] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An FPC wiring board punching tool characterized by comprising: The utility model provides a kind of automatic feeding device, including base (1), the placing table (2) is installed on the base (1), control panel (3) is installed on the side wall of the placing table (2), placing groove (4) is opened in the placing table (2), two groups of installation plate (5) are symmetrically installed on the placing table (2), lifting groove (6) is opened in the installation plate (5), lifting block (7) is assembled in the lifting groove (6), electric telescopic rod (8) is installed on the inner wall of the lifting groove (6), push rod (9) is installed on the electric telescopic rod (8), the push rod (9) is fixedly connected with lifting block (7), pressing plate (10) is installed on the lifting block (7), indicating lamp (11) is installed on the pressing plate (10), plate slot (12) and limiting slot (13) are opened in the inside of the pressing plate (10), moving plate (14) is assembled in the plate slot (12), limiting block (15) is installed on the moving plate (14), the limiting block (15) is assembled in the limiting slot (13), first electrode sheet (16) is installed on the limiting block (15), second electrode sheet (17) is installed on the inner wall of the limiting slot (13), spring (18) is installed between the limiting block (15) and limiting slot (13).

2. The FPC circuit board punching tool according to claim 1, wherein: The first electrode sheet (16) and second electrode sheet (17) are connected with the indicating lamp (11) by internal circuit, the indicating lamp (11) is connected with the control panel (3) by internal circuit, the control panel (3) is connected with the electric telescopic rod (8) by internal circuit.

3. The FPC circuit board punching tool of claim 1, wherein: The inside of the placing table (2) is opened to assemble groove (19), the assembly groove (19) is placed with the material collecting box (20), a plurality of discharging holes (21) are opened on the top plate of the assembly groove (19).

4. The FPC circuit board punching tool of claim 1, wherein: The first guide plate (22) is installed on the placing table (2), the first guide slot (23) is opened in the first guide plate (22), the first lead screw (25) is installed on the output shaft of the first stepping motor (24), the first lead screw (25) is rotatably installed on the inner wall of the first guide slot (23), the first guide block (26) is assembled in the first guide slot (23), the support rod (27) is installed on the first guide block (26).

5. The FPC wiring board punching tool according to claim 4, wherein: The second guide plate (28) is installed on the support rod (27), the second guide slot (29) is opened in the second guide plate (28), the second stepping motor (30) is installed on the side wall of the second guide plate (28) through the machine base, the second lead screw (31) is installed on the output shaft of the second stepping motor (30), the second lead screw (31) is rotatably installed on the inner wall of the second guide slot (29), the second guide block (32) is assembled in the second guide slot (29), the moving frame (33) is installed on the second guide block (32).

6. The FPC circuit board punching tool of claim 5, wherein: The mobile frame (33) is provided with a hydraulic cylinder (34), the hydraulic cylinder (34) is provided with a hydraulic rod (35), the bottom side of the hydraulic rod (35) is provided with a guide frame (36), the guide frame (36) is in sliding connection with the inner wall of the mobile frame (33), and the bottom side of the guide frame (36) is provided with a punch (37).

Images