CN113597115B

CN113597115B - FPC flexible circuit board is with subsides dress equipment

Info

Publication number: CN113597115B
Application number: CN202111013798.XA
Authority: CN
Inventors: 刘杰
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-07-26
Anticipated expiration: 2041-08-31
Also published as: CN113597115A

Abstract

The invention discloses a mounting device for an FPC (flexible printed circuit), which relates to the technical field of circuit board processing and comprises a rack, a conveying frame, a carrier guide frame, a driving mechanism and a micro-swing mounting mechanism, wherein the conveying frame is arranged at the upper end of the rack, and two symmetrically arranged guide chutes are formed in the upper end of the conveying frame. According to the invention, the conveying frame is arranged on the rack, the carrier plate guide frame is arranged above the conveying frame, the drive mechanism drives the FPC flexible circuit board to be directionally and stably conveyed, and the micro-pendulum mounting mechanism drives the special carrier plate in the carrier plate guide frame to perform high-frequency reciprocating lifting, so that the FPC is continuously flattened, and the phenomenon that the edge plate surface is warped and uneven is prevented; through setting up the curved sheave of turning back the recess by the arc and through the swing piece, realize that the subsides dress spare drives FPC flexible circuit board and carries out synchronous micro-swing in two spacing post within ranges and do, guarantee that the product after the dress is pasted the cooperation of department good at the two, avoid appearing the phenomenon of dislocation fracturing.

Description

FPC flexible circuit board is with subsides dress equipment

Technical Field

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

Background

The flexible printed circuit board (FPC) is a flexible deformable printed circuit board taking polyimide or polyurethane film as a base material, has the characteristics of light weight, thin thickness, good bending property and the like, can be randomly arranged according to the space layout requirement, can be randomly moved and stretched in a three-dimensional space, and is suitable for the requirements of high density, miniaturization and high reliability development after being pasted with a matched special carrier plate.

At present, I am often to the direct pasting and processing of the flexible circuit board and the special carrier plate through semi-automatic pasting and processing equipment in the pasting and mounting process of the flexible circuit board and the special carrier plate, but the following defects exist in the long-term discovery of the quality inspection process of pasting and mounting products: firstly, due to the fact that a part of circuits are protected or the FPC is designed, the FPC is not the same in thickness, some FPC are thick and some FPC are thin, and reinforcing metal plates are arranged on the FPC, and the phenomenon of dislocation and fracturing at the joint of the FPC and the FPC is caused by direct mounting in the prior art, so that irreversible damage is caused to a mounted product; secondly, in the process of mounting the FPC to the special carrier plate, due to the fact that the edge of the softer part of the material of the FPC is warped, the phenomenon of uneven mounting is caused.

Disclosure of Invention

The invention aims to provide mounting equipment for an FPC (flexible printed circuit) so as to solve the defects in the prior art.

The utility model provides a FPC is subsides dress equipment for flexible circuit board, includes frame, carriage, support plate leading truck, actuating mechanism and little pendulum dress mechanism of pasting, the carriage erects the upper end of arranging the frame in, and the baffle box that two symmetries set up is seted up to the upper end of carriage, the support plate leading truck is installed in the frame to place the top of carriage in, actuating mechanism installs in the side of carriage to a transmission power who provides FPC flexible circuit board, little pendulum dress mechanism of pasting installs on the carriage, and be used for level and smooth dress FPC flexible circuit board and special support plate.

Preferably, the driving mechanism comprises a rodless cylinder and a transmission chain, the rodless cylinder is mounted at the side end of the conveying frame through a mounting plate, a shifting claw is mounted at the output end of the rodless cylinder, the transmission chain is rotatably arranged on a chain wheel on the mounting plate through a plurality of gears, and two conveying rollers which are symmetrically arranged are coaxially arranged on the chain wheel through a rotating shaft.

Preferably, the micro-pendulum attaching mechanism includes a rotating rod, a guide plate and an attaching member, one end of the rotating rod is fixedly connected to the end of the rotating shaft, the other end of the rotating rod is slidably connected to a lifting ring, a top support member is fixedly arranged at the upper end of the lifting ring, the guide plate is fixedly arranged on the rack, the top support member is slidably arranged on the guide plate, the upper end of the top support member is fixed to the carrier plate guide frame, the attaching member is arranged on the conveying frame through a spring, the lower end of the attaching member is arc-shaped and slidably provided with a swinging member, the lower end of the swinging member is slidably connected to a curved sheave, the curved sheave is coaxially connected to the rotating shaft, the lower end of the conveying frame is fixedly connected to a V-shaped position limiting member through a fixing frame, two symmetrically arranged position limiting posts are fixedly connected to the side end of the position limiting member, a rotating drum is further rotatably arranged at the side end of the position limiting member, and the swinging member is slidably arranged in the rotating drum, the swinging piece is also lapped on the limiting column.

Preferably, the top end of the pusher dog is obliquely arranged, the advancing direction of the output end of the rodless cylinder is in a pointed shape, and the retreating direction of the output end of the rodless cylinder is in a smooth transition shape.

Preferably, the upper end surface of the swinging piece is arc-surface-shaped and is matched with the lower end surface of the mounting piece.

The invention has the advantages that:

1. the FPC is continuously flattened by arranging the conveying frame on the rack and arranging the support plate guide frame above the conveying frame, driving the FPC to be directionally and stably conveyed by the driving mechanism and driving the special support plate in the support plate guide frame to perform high-frequency reciprocating lifting by the micro-pendulum mounting mechanism, so that the phenomenon that the edge surface of the FPC is warped and uneven is prevented;

2. through offering the curved sheave of turning back the recess by the arc through the swinging member, realize that the dress spare drives FPC flexible circuit board and carries out synchronous pendulum action a little at two spacing post within ranges, and then combine together the department at FPC's upper end and the lower extreme of special support plate and form the fault-tolerant interval, FPC's upper end slant inserts the excavation inslot of offering on the special support plate to this guarantees that the product after the dress combines the department at the two to cooperate well, avoids appearing the phenomenon of dislocation fracture.

Drawings

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

Fig. 2 is a schematic structural diagram of the driving mechanism of the present invention.

Fig. 3 is a schematic structural view of the micro-pendulum attaching mechanism of the present invention.

Fig. 4 is a side view of an internal part structure of the micro pendulum placement mechanism of the present invention.

Fig. 5 is a schematic view of the attachment and spring assembly of the present invention.

The device comprises a machine frame 1, a conveying frame 2, a carrier plate 3, a guide frame 4, a driving mechanism 5, a micro-swing attaching mechanism 6, a material guide groove 41, a rodless cylinder 42, a transmission chain 43, a mounting plate 44, a pusher dog 45, a chain wheel 46, a rotating shaft 47, a conveying roller 501, a rotating rod 502, a guide plate 503, an attaching part 504, a lifting ring 505, a jacking part 505, a spring 506, a swinging part 507, a curved grooved wheel 508, a fixed frame 509, a limiting part 510, a limiting column 511 and a rotating cylinder 512.

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 5, a mounting device for an FPC flexible circuit board includes a rack 1, a conveying frame 2, a carrier guide frame 3, a driving mechanism 4, and a micro-swing mounting mechanism 5, wherein the conveying frame 2 is disposed at the upper end of the rack 1, two symmetrically disposed material guiding grooves 6 are disposed at the upper end of the conveying frame 2, the carrier guide frame 3 is mounted on the rack 1 and disposed above the conveying frame 2, the driving mechanism 4 is mounted at the side end of the conveying frame 2 and used for providing conveying power for the FPC flexible circuit board, and the micro-swing mounting mechanism 5 is mounted on the conveying frame 2 and used for flatly mounting the FPC flexible circuit board and a special carrier.

It should be noted that, in the device, an external power mechanism is disposed on the carrier guide frame 3 and is matched with the carrier guide frame to drive the special carrier therein to stably convey and feed.

In this embodiment, the driving mechanism 4 includes a rodless cylinder 41 and a transmission chain 42, the rodless cylinder 41 is mounted at the side end of the conveying frame 2 through a mounting plate 43, a pusher dog 44 is mounted at the output end of the rodless cylinder 41, the transmission chain 42 is meshed with the pusher dog 44 through a plurality of chain wheels 45 rotatably arranged on the mounting plate 43, and two symmetrically arranged conveying rollers 47 are coaxially arranged on the chain wheels 45 through a rotating shaft 46.

In this embodiment, the micro-pendulum attaching mechanism 5 includes a rotating rod 501, a guiding plate 502 and an attaching member 503, one end of the rotating rod 501 is fixedly connected to an end portion of the rotating shaft 46, the other end of the rotating rod 501 is slidably connected to a lifting ring 504, an upper end of the lifting ring 504 is fixedly provided with a supporting member 505, the guiding plate 502 is fixedly arranged on the rack 1, the supporting member 505 is slidably arranged on the guiding plate 502, an upper end of the supporting member 505 is fixed to the carrier guiding frame 3, the attaching member 503 is arranged on the conveying frame 2 through a spring 506, a lower end of the attaching member 503 is arc-shaped and slidably provided with a swinging member 507, a lower end of the swinging member 507 is slidably connected to a curved groove wheel 508, the curved groove wheel 508 is coaxially connected to the rotating shaft 46, a lower end of the conveying frame 2 is fixedly connected to a V-shaped limiting member 510 through a fixing frame 509, side ends of the limiting member 510 are fixedly connected to two symmetrically-arranged limiting columns 511, the limiting member 510 is further rotatably provided with a rotating drum 512 at a side end thereof, the swinging member 507 is slidably disposed in the rotating drum 512, and the swinging member 507 is further lapped on the limiting column 511.

It should be noted that the upper end of the mounting member 503 is a flat front surface, and when the spring 506 is not in a compressed state, the upper end surface of the mounting member 503 is hidden in the conveying frame 2.

The tip of the pusher dog 44 is provided obliquely, and is pointed in the forward direction at the output end of the rodless cylinder 41, and is smoothly transited in the backward direction at the output end of the rodless cylinder 41.

The upper end surface of the swinging member 507 is arc-shaped and is fitted to the lower end surface of the mounting member 503.

The working process and principle are as follows: in the using process, firstly, the FPC is placed on the conveying frame 2, meanwhile, the special carrier plate is placed in the carrier plate guide frame 3, then the rodless cylinder 41 is started to enable the output end of the rodless cylinder to drive the pusher dog 44 to move forward, the tip of the pusher dog 44 is meshed in the transmission chain 42 and synchronously drives the transmission chain 42 to transmit on the plurality of chain wheels 45, then the two symmetrically arranged conveying rollers 47 are driven to rotate through the rotating shaft 46, the directional and steady transmission of the FPC can be completed by matching with the guide chute 6, the special carrier plate in the carrier plate guide frame 3 is driven to perform high-frequency reciprocating lifting by the other end of the rotating shaft 46 through the rotating rod 501, the lifting ring 504 and the top support 505, and the external power mechanism is matched to perform continuous flattening operation on the flexible FPC below, so that the phenomenon that the edge plate surface is warped and uneven is prevented;

along with the transmission of the transmission chain 42, the curved grooved wheel 508 is driven by the rotating shaft 46 at the other side to synchronously rotate, and then the swinging part 507 is driven by the arc-shaped return groove arranged on the curved grooved wheel 508 to be matched with the elasticity of the spring 506 sleeved on the attaching part 503 to perform reciprocating micro-swinging on the swinging part 507 and the limiting part 510, and under the driving of the swinging part 507 which is arranged at the arc-shaped lower end surface attaching part 503 at the upper end in a sliding way, two limiting columns 511 for limiting are arranged on the limiting part 510, so that the attaching part 503 can drive the FPC flexible circuit board to perform synchronous micro-swinging action, a fault-tolerant interval is formed at the combination part of the upper end of the FPC and the lower end of the special carrier plate, the upper end of the FPC is obliquely inserted into the digging groove arranged on the special carrier plate, thereby ensuring that the attached product is well matched at the combination part of the FPC and the FPC, avoiding the phenomenon of dislocation and fracturing, ensuring the product quality, and keeping the end surface after the attachment to be smooth, the end surface smoothness of the mounted product is ensured during later printing or mounting.

Based on the above, the invention arranges the conveying frame 2 on the frame 1 and the carrier plate guide frame 3 above the conveying frame 2, the drive mechanism 4 drives the FPC flexible circuit board to directionally and stably convey, and the micro-pendulum mounting mechanism 5 drives the special carrier plate in the carrier plate guide frame 3 to perform high-frequency reciprocating lifting, so as to continuously flatten the FPC and prevent the edge plate surface of the FPC from being warped and uneven;

through arranging the curved grooved pulley 508 with the arc-shaped turning-back groove and the swinging piece 507, the attaching piece 503 drives the FPC flexible circuit board to synchronously slightly swing within the range of the two limit columns 511, so that a fault-tolerant interval is formed at the combination position of the upper end of the FPC and the lower end of the special carrier plate, and the upper end of the FPC is obliquely inserted into the digging groove arranged on the special carrier plate, thereby ensuring that the attached product is well matched at the combination position of the FPC and the special carrier plate, and avoiding the phenomenon of dislocation and fracturing.

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 mounting equipment for the FPC flexible circuit board is characterized by comprising a rack (1), a conveying frame (2), a carrier plate guide frame (3), a driving mechanism (4) and a micro-swing mounting mechanism (5), wherein the conveying frame (2) is arranged at the upper end of the rack (1), two guide chutes (6) which are symmetrically arranged are formed in the upper end of the conveying frame (2), the carrier plate guide frame (3) is installed on the rack (1) and is arranged above the conveying frame (2), the driving mechanism (4) is installed at the side end of the conveying frame (2) and is used for providing conveying power for the FPC flexible circuit board, the micro-swing mounting mechanism (5) is installed on the conveying frame (2) and is used for smoothly mounting the FPC flexible circuit board and a special carrier plate, the driving mechanism (4) comprises a rodless cylinder (41) and a transmission chain (42), the rodless cylinder (41) is installed at the side end of the conveying frame (2) through a mounting plate (43), the output end of the rodless cylinder (41) is provided with a pusher dog (44), the transmission chain (42) is arranged on a chain wheel (45) on a mounting plate (43) through a plurality of rotating wheels and meshed with the pusher dog (44), the chain wheel (45) is coaxially provided with two symmetrically arranged conveying rollers (47) through a rotating shaft (46), the micro-pendulum attaching mechanism (5) comprises a rotating rod (501), a guide plate (502) and an attaching part (503), one end of the rotating rod (501) is fixedly connected to the end part of the rotating shaft (46), the other end of the rotating rod (501) is slidably connected with a lifting ring (504), the upper end of the lifting ring (504) is fixedly provided with a top support part (505), the guide plate (502) is fixedly arranged on the rack (1), the top support part (505) is slidably arranged on the guide plate (502), the upper end of the top support part (505) is fixed with the carrier plate guide frame (3), the lower end of the attaching part (503) is arc-surface-shaped and is provided with a swinging part (507) in a sliding manner, the lower end of the swinging part (507) is connected with a curved grooved wheel (508) in a sliding manner, the curved grooved wheel (508) is coaxially connected onto a rotating shaft (46), two symmetrically-arranged conveying rollers (47) are driven to rotate through the rotating shaft (46), the FPC can be conveyed directionally and stably by matching with a guide chute (6), the other end of the rotating shaft (46) drives a special carrier plate in a carrier plate guide frame (3) to lift in a high-frequency reciprocating manner through a rotating rod (501), a lifting ring (504) and a jacking part (505), the curved grooved wheel (508) can be driven to synchronously rotate through the rotating shaft (46) at the other side along with the transmission of a transmission chain (42), and then passes through an arc-shaped turn-back groove formed in the curved grooved wheel (508), and the self elasticity of the spring (506) sleeved on the attaching part (503) is matched, the swing part (507) is driven to reciprocate on the limiting part (510) to perform micro-vibration and swing, the lower end of the conveying frame (2) is fixedly connected with a V-shaped limiting part (510) through a fixing frame (509), the side ends of the limiting part (510) are fixedly connected with two symmetrically arranged limiting columns (511), the side ends of the limiting part (510) are further rotatably provided with a rotating drum (512), the swing part (507) is arranged in the rotating drum (512) in a sliding mode, and the swing part (507) is further lapped on the limiting columns (511).

2. The mounting equipment for the FPC flexible circuit board according to claim 1, wherein: the top end of the pusher dog (44) is obliquely arranged, the advancing direction of the output end of the rodless cylinder (41) is in a pointed shape, and the retreating direction of the output end of the rodless cylinder (41) is in a smooth transition shape.

3. The mounting equipment for the FPC flexible circuit board according to claim 1, wherein: the upper end surface of the swinging piece (507) is arc-surface-shaped and is matched with the lower end surface of the mounting piece (503).