CN110814545B

CN110814545B - Automatic tapping device of FPC flexible circuit board

Info

Publication number: CN110814545B
Application number: CN201911178979.0A
Authority: CN
Inventors: 徐小杰; 薛小浪; 杜秋生; 宋丹; 韩辉
Original assignee: Anhui Heavenly Electronic Polytron Technologies Inc
Current assignee: Anhui Heavenly Electronic Polytron Technologies Inc
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2021-07-13
Anticipated expiration: 2039-11-27
Also published as: CN110814545A

Abstract

The invention discloses an automatic tapping device for an FPC (flexible printed circuit), which relates to the technical field of circuit board processing and comprises a rack, a tapping mechanism, an air suction mechanism and a cutting mechanism, wherein the tapping mechanism is installed on the rack through a first installation rack and is used for tapping a circuit board, and the air suction mechanism is installed on the first installation rack, is connected with the tapping mechanism through a belt and is used for collecting wastes after tapping. According to the invention, the punching mechanism is arranged, the laser punching scheme from bottom to top is adopted, and the air suction mechanism which is arranged above and matched with the output end of the cutting machine can directly adsorb and peel the punching waste adhered to the periphery of the opening without manual stripping again; through the cooperation between trompil mechanism and the mechanism that induced drafts, can realize that the trompil waste material is direct to be collected away by the mechanism that induced drafts, can not cause the scattered in disorder phenomenon of waste material, optimize the processing environment.

Description

Automatic tapping device of FPC flexible circuit board

Technical Field

The invention relates to the technical field of circuit board processing, in particular to an automatic hole opening device for an FPC (flexible printed circuit).

Background

A Flexible Printed Circuit (FPC), which is a printed circuit made of a flexible insulating base material, has many advantages that a rigid printed circuit does not have. For example, the device can be freely bent, wound and folded, can be randomly arranged according to the space layout requirement, and can be randomly moved and stretched in a three-dimensional space, so that the integration of component assembly and wire connection is realized. The volume and weight of the electronic FPC can be greatly reduced by using the FPC. The requirements of the development of electronic FPC in the directions of high density, miniaturization and high reliability are met. Therefore, the FPC is widely applied to the fields of spaceflight, military affairs, mobile communication, portable computers, computer peripherals, PDAs, digital cameras and the like or the FPC.

At present, I am at the processing of a flexible circuit board in a hole opening working section, the flexible circuit board is often directly impacted from top to bottom through a laser cutting machine, and the generated waste materials directly drop into a collecting device below, but the defects are found in the long-term processing production process: after the laser cutting machine acts on a circuit board, an electrostatic phenomenon can be generated at an opening, the opened perforated waste materials are not dropped due to light weight and the electrostatic adsorption effect, the waste materials are adsorbed and adhered to the peripheral position of the opening and need to be manually peeled off, unnecessary manpower waste is caused, and if the waste materials are not found timely, the subsequent processing procedures can be influenced; secondly, the perforated waste cannot be collected at a fixed position due to the impact of the laser cutting machine, so that the perforated waste is scattered, and after the working procedure is finished, the working table surface and the periphery near the equipment need to be cleaned manually each time.

Disclosure of Invention

The invention aims to provide an automatic hole opening device for an FPC (flexible printed circuit) to overcome the defects in the prior art.

An automatic tapping device for a Flexible Printed Circuit (FPC) comprises a rack, a tapping mechanism, an air suction mechanism and a cutting mechanism, wherein the tapping mechanism is installed on the rack through a first mounting frame and is used for tapping a circuit board, the air suction mechanism is installed on the first mounting frame and is connected with the tapping mechanism through a belt and is used for collecting waste materials after tapping, the cutting mechanism is installed on the rack through a second mounting frame and is used for uniformly cutting off the circuit board, a detection mechanism for detecting the number of the tapped holes of the circuit board is installed on the rack, a Programmable Logic Controller (PLC) is arranged in the rack, the tapping mechanism comprises a driving motor, an L-shaped first mounting plate, two fixed plates which are symmetrically arranged and a conveying plate provided with a plurality of strip-shaped openings, the driving motor is installed on the first mounting frame through the first mounting plate, and the output end of the driving motor is connected with a first belt, the other end of connecting rod is fixed with the traveller, sliding connection has the shift ring on the traveller, the one end of keeping away from driving motor on the shift ring is fixed with the installation department of "C" shape, installation department sliding connection is on the fixed plate, in two on the mounting bracket one the side of fixed plate still is fixed with the backup pad that two symmetries set up, two in being close to driving motor's the backup pad in the backup pad, its upper end run through the installation department and with another backup pad between rotate and be connected with the conveying roller, the opening part of installation department articulates there is branch, the other end of branch articulates there is the slider, slider sliding connection is in the lower extreme of delivery board, and the laser hole digger.

Preferably, the mechanism of induced drafting includes dead lever, slide bar, sliding part and the suction fan that two symmetries set up, two the dead lever is fixed in on the mounting bracket one, the slide bar has two and is fixed in respectively on the dead lever, two it is connected with the lead screw to rotate on the dead lever between the slide bar, an end connection of lead screw has belt pulley two, link to each other through the belt between belt pulley two and the belt pulley one, sliding part threaded connection is on the lead screw, and sliding connection is on the slide bar that two symmetries set up, the suction fan is installed on the sliding part, the aspiration channel is still installed to the lower extreme of sliding part, the aspiration channel links to each other with the suction fan.

Preferably, the opening of the air suction pipe is matched with the output port of the laser hole opener.

Preferably, the cutting mechanism comprises a cylinder, a second mounting plate and a knife rest, the cylinder is mounted on the second mounting frame through the second mounting plate, the knife rest is mounted at the output end of the cylinder, the two ends of the knife rest are slidably mounted on the second mounting frame, a blade is mounted on the knife rest, a cutting seat is further fixed at the upper end of the second mounting frame, a knife groove is formed in the upper end of the cutting seat, and the knife groove is matched with the blade.

Preferably, the length of the blade is greater than the width of the cutting seat.

The invention has the advantages that: firstly, by arranging the hole opening mechanism, adopting a laser hole opening scheme from bottom to top and then arranging the air suction mechanism which is matched with the output end of the cutting machine above, the waste materials which are adsorbed and adhered to the periphery of the opening can be directly adsorbed and peeled without manual peeling again; through the cooperation between trompil mechanism and the mechanism that induced drafts, can realize that the trompil waste material is direct to be collected away by the mechanism that induced drafts, can not cause the scattered in disorder phenomenon of waste material, optimize the processing environment.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the opening mechanism of the present invention.

Fig. 3 is a schematic structural view of the air suction mechanism of the present invention.

FIG. 4 is a schematic view of the cutting mechanism of the present invention.

FIG. 5 is a schematic view of a part of the structure of the present invention.

Fig. 6 is a partially enlarged view of a portion a in fig. 5.

Wherein, 1-a frame, 2-a hole opening mechanism, 3-an air suction mechanism, 4-a cutting mechanism, 5-a mounting frame I, 6-a belt, 7-a mounting frame II, 8-a driving motor, 9-a mounting plate I, 10-a fixing plate, 11-a strip opening, 12-a conveying plate, 13-a belt pulley I, 14-a connecting rod, 15-a sliding column, 16-a moving ring, 17-a mounting part, 18-a supporting plate, 19-a conveying roller, 20-a supporting rod, 21-a sliding block, 22-a laser hole opener, 23-a fixing rod, 24-a sliding rod, 25-a sliding part, 26-an air suction machine, 27-a screw rod, 28-a belt pulley II, 29-an air suction pipe, 30-an air cylinder, 31-a mounting plate II and 32-a knife, 33-blade, 34-cutting seat, 35-knife groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, an automatic hole forming device for a flexible printed circuit board (FPC) comprises a frame 1, a hole forming mechanism 2, an air suction mechanism 3 and a cutting mechanism 4, wherein the hole forming mechanism 2 is mounted on the frame 1 through a first mounting frame 5 and is used for forming a hole in the circuit board, the air suction mechanism 3 is mounted on the first mounting frame 5 and is connected with the hole forming mechanism 2 through a belt 6 and is used for collecting waste materials after forming the hole, the cutting mechanism 4 is mounted on the frame 1 through a second mounting frame 7 and is used for uniformly cutting off the circuit board, a detection mechanism for detecting the number of holes formed in the circuit board is mounted on the frame 1, a PLC controller is arranged inside the frame 1, the hole forming mechanism 2 comprises a driving motor 8, a first L-shaped mounting plate 9, two symmetrically arranged fixing plates 10 and a conveying plate 12 provided with a plurality of strip-shaped openings 11, the utility model discloses a conveying device, including mounting bracket 1, driving motor 8, mounting bracket 15, mounting bracket 17, mounting bracket 5, driving motor 8, sliding connection have a shift ring 16, the one end of keeping away from driving motor 8 on the shift ring 16 is fixed with the installation department 17 of "C" shape, mounting bracket 5 is last two the side of fixed plate 10 still is fixed with the backup pad 18 that two symmetries set up, two in the backup pad 18 that is close to driving motor 8, its upper end runs through installation department 17 and is connected with conveying roller 19 with rotating between another backup pad 18, the opening part of installation department 17 articulates there is branch 20, the other end of branch 20 articulates there is slider 21, slider 21 sliding connection is in the lower extreme of conveying board 12, the lower end of the slider 21 is mounted with a laser hole cutter 22.

In this embodiment, the detection means adopts an infrared detection method.

The driving motor 8 is a servo motor, the back of the mounting portion 17 is slidably connected to the fixing plate 10, the opening end surface of the mounting portion 17 is not in contact with the fixing plate 10, and the distance between the conveying roller 19 and the conveying plate 12 is not greater than the thickness of the workpiece.

In this embodiment, induced draft mechanism 3 includes dead lever 23, slide bar 24, sliding part 25 and the suction fan 26 that two symmetries set up, two dead lever 23 is fixed in on mounting bracket 5, slide bar 24 has two and is fixed in respectively on dead lever 23, two it is connected with lead screw 27 to rotate on dead lever 23 between the slide bar 24, a termination of lead screw 27 has two belt pulleys 28, link to each other through belt 6 between two belt pulleys 28 and the belt pulley 13, sliding part 25 threaded connection is on lead screw 27, and sliding connection is on two slide bars 24 that the symmetry set up, suction fan 26 installs on sliding part 25, aspiration channel 29 is still installed to sliding part 25's lower extreme, aspiration channel 29 links to each other with suction fan 26.

In this embodiment, the air suction pipe 29 is a flat-mouth conical pipe, and the opening of the air suction pipe 29 is matched with the output port of the laser hole opener 22.

In this embodiment, the cutting mechanism 4 includes a cylinder 30, a second mounting plate 31 and a knife rest 32, the cylinder 30 is mounted on the second mounting frame 7 through the second mounting plate 31, the knife rest 32 is mounted on an output end of the cylinder 30, two ends of the knife rest 32 are slidably mounted on the second mounting frame 7, a blade 33 is mounted on the knife rest 32, a cutting seat 34 is further fixed to an upper end of the second mounting frame 7, a knife groove 35 is formed in an upper end of the cutting seat 34, and the knife groove 35 is matched with the blade 33.

Furthermore, the length of the blade 33 is greater than the width of the cutting seat 34.

The working process and principle are as follows: in the using process, firstly, a control circuit board enters the device from the feeding direction, then the control circuit board passes through an infrared detection device arranged on the device, detection signal data are transmitted to a PLC (programmable logic controller), the PLC controls a driving motor 8 according to the detected signal data, after the driving motor 8 is started, the output end of the driving motor drives a first belt pulley 13 and a connecting rod 14 to synchronously rotate, the first belt pulley 13 is driven to slide in a sliding column 15 through the connecting rod 14, then a moving ring 16 is driven to move up and down, a mounting part 17 is driven to move up and down, a sliding block 21 is driven to slide back and forth on a conveying plate 12 through supporting rods 20 hinged to two ends, and then a laser hole opener 22 is driven to open holes on a;

the connecting rod 14 drives the second belt pulley 28 and the lead screw 27 fixedly connected with the second belt pulley to synchronously rotate through the belt 6, the sliding part 25 is driven to move back and forth on the lead screw 27, and as the opening of the air suction pipe 29 is matched with the output port of the laser hole opener 22, hole-opening waste materials generated by hole opening all enter the air suction fan 26 through the air suction pipe 27;

the workpiece after the opening is moved to the lower part of the cutting mechanism 4 under the driving of the conveying plate 12 and the conveying roller 19, the PLC controls the cylinder to start, and the blade 33 at the output end of the PLC descends into the cutter groove 35 on the cutting seat 34, so that the cutting process is completed.

Based on the above, the invention adopts the hole opening mechanism 2, adopts the laser hole opening scheme from bottom to top, and uses the air suction mechanism 3 which is arranged above and is matched with the output end of the cutting machine, so that the hole opening waste materials adsorbed and adhered to the periphery of the opening can be directly adsorbed and peeled without manual peeling again; through the cooperation between trompil mechanism 2 and the mechanism 3 that induced drafts, can realize that the trompil waste material is direct to be collected away by the mechanism 3 that induced drafts, can not cause the scattered in disorder phenomenon of waste material, optimize the processing environment.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. The utility model provides an automatic trompil device of FPC flexible circuit board, a serial communication port, including frame (1), tapping mechanism (2), the mechanism (3) and shutdown mechanism (4) of induced drafting, tapping mechanism (2) are installed on frame (1) through mounting bracket (5) for carry out the trompil to the circuit board, induced draft mechanism (3) are installed on mounting bracket (5), and link to each other with tapping mechanism (2) through belt (6), and are used for realizing collecting the waste material behind the trompil, shutdown mechanism (4) are installed on frame (1) through mounting bracket two (7), and are used for realizing carrying out even cutting off with the circuit board, install the detection mechanism who is used for detecting the circuit board trompil number in frame (1), the inside of frame (1) is provided with the PLC controller, tapping mechanism (2) include driving motor (8), The utility model discloses a conveyor plate (12) of fixed plate (10) that "L" shape mounting panel (9), two symmetries set up and set up a plurality of bar opening (11), driving motor (8) are installed on mounting bracket (5) through mounting panel (9), and the output of driving motor (8) is connected with belt pulley (13) and connecting rod (14), the other end of connecting rod (14) is fixed with traveller (15), sliding connection has shift ring (16) on traveller (15), the one end of keeping away from driving motor (8) on shift ring (16) is fixed with installation department (17) of "C" shape, installation department (17) sliding connection is on fixed plate (10), mounting bracket (5) are in two still are fixed with two backup pad (18) that the symmetry set up in the side of fixed plate (10), two in backup pad (18) are close to driving motor (8), its upper end run through installation department (17) and with another backup pad (18) between rotate and be connected with conveying roller (19), the opening part of installation department (17) articulates there is branch (20), the other end of branch (20) articulates there is slider (21), slider (21) sliding connection is in the lower extreme of conveying board (12), laser hole digger (22) are installed to the lower extreme of slider (21), air suction mechanism (3) include dead lever (23), slide bar (24), sliding part (25) and suction fan (26) that two symmetry set up, two dead lever (23) are fixed in on mounting bracket (5), slide bar (24) have two and be fixed in respectively on dead lever (23), two rotate on dead lever (23) between slide bar (24) and be connected with lead screw (27), an end connection of lead screw (27) has belt pulley two (28), link to each other through belt (6) between belt pulley two (28) and belt pulley (13), sliding part (25) threaded connection is on lead screw (27), and sliding connection is on slide bar (24) that two symmetries set up, suction fan (26) are installed on sliding part (25), aspiration channel (29) are still installed to the lower extreme of sliding part (25), aspiration channel (29) link to each other with suction fan (26).

2. The automatic hole opening device for the FPC flexible circuit board according to claim 1, wherein: the opening of the air suction pipe (29) is matched with the output port of the laser hole opener (22).

3. The automatic hole opening device for the FPC flexible circuit board according to claim 1, wherein: shutdown mechanism (4) include cylinder (30), two (31) of mounting panel and knife rest (32), cylinder (30) are installed on mounting bracket two (7) through two (31) of mounting panel, install on the output of cylinder (30) knife rest (32), and the both ends slidable mounting of knife rest (32) is on mounting bracket two (7), installs blade (33) on knife rest (32), the upper end of mounting bracket two (7) still is fixed with cuts off seat (34), cut off the upper end of seat (34) and seted up sword groove (35), sword groove (35) and blade (33) cooperate.

4. The automatic hole opening device for the FPC flexible circuit board according to claim 3, wherein: the length of the blade (33) is larger than the width of the cutting seat (34).