CN212424638U

CN212424638U - Double-layer flexible printed circuit board separating mechanism

Info

Publication number: CN212424638U
Application number: CN202020442144.3U
Authority: CN
Inventors: 卢国明; 江岱平; 余辉灿; 董才栋; 郭江
Original assignee: Shenzhen Tengsheng Precision Equipment Co ltd
Current assignee: Shenzhen Tengsheng Precision Equipment Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-01-29
Anticipated expiration: 2030-03-30

Abstract

The application relates to the technical field of OLED display screens, in particular to a double-layer flexible printed circuit board separating mechanism which comprises a supporting seat, a product carrying platform arranged on the supporting seat, a fixing mechanism and a turnover mechanism; the fixing mechanism comprises an X-axis driving assembly arranged on the supporting seat, a Y-axis driving assembly arranged on the X-axis driving assembly, a Z-axis driving assembly arranged on the Y-axis driving assembly and a vacuum hand-grasping platform arranged on the Z-axis driving assembly, and the vacuum hand-grasping platform is provided with a first vacuum sucker for adsorbing and fixing the upper FPC; the turnover mechanism comprises a second vacuum sucker for adsorbing and fixing the lower FPC and a turnover driving assembly arranged on the supporting seat and used for driving the second vacuum sucker to rotate. According to the method, the first vacuum chuck is adopted to adsorb and fix the upper layer FPC, so that the separation efficiency is high; the occupied space is small, and the positions of the first vacuum sucker and the second vacuum sucker after the upper FPC and the lower FPC are separated are relatively fixed, so that the subsequent bending precision can be improved, and the quality of the OLED display screen is improved.

Description

Double-layer flexible printed circuit board separating mechanism

Technical Field

The application relates to the technical field of OLED display screens, in particular to a double-layer flexible printed circuit board separating mechanism.

Background

In the current market, people have more and more demands and higher requirements, and display products with better performance, functions and physical abilities are needed. The "light, thin, flexible and large area" is one of the high requirements of the new era, but the current LCD and other display products are difficult to achieve. The OLED is a new generation display technology, the OLED display technology is different from the traditional LCD display mode, a backlight lamp is not needed, a very thin organic material coating and a glass substrate (or a flexible organic substrate) are adopted, when a current flows, the organic materials can emit light, the OLED display screen can be made to be lighter and thinner, the visual angle is larger, and the power consumption can be remarkably saved, so that the OLED display screen is commonly used in display screens of smart phones or other digital products.

The smart phone is an important application of the OLED display technology, and a new round of high-speed development is provided in recent years. In the process of the intelligent OLED display screen, the FPC (flexible printed circuit board) needs to be bent to the corresponding position of the OLED display screen for attaching and fixing (with reference to fig. 1), for a part of products designed with double-layer FPCs, an upper layer of FPC and a lower layer of FPC need to be bent to the OLED display screen 10 respectively, and when the upper layer of FPC11 is bent, the bending process of the upper layer of FPC11 is often difficult due to the shielding of the lower layer of FPC 12.

Aiming at the problems, the lower layer FPC12 is generally separated manually at present, or an additional adhesive tape is designed for the FPC to avoid the shielding of the lower layer FPC12, but because the operation space for separating the FPC is limited, the two modes for separating the FPC have the problem of low efficiency, the position for separating the upper layer FPC and the lower layer FPC is difficult to determine, the subsequent precision for bending the FPC is easily influenced, and the quality of the OLED display screen is influenced.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application embodiment will solve is that the efficiency is lower when FPC about the separation, and the position after FPC about the separation is difficult to confirm, influences subsequent FPC's of buckling precision easily to influence the quality of OLED display screen, it is efficient to have the separation FPC, and FPC position after the separation is relatively fixed, helps improving the follow-up precision of buckling the FPC process, improves the quality of OLED display screen.

In order to solve the above technical problem, an embodiment of the present application provides a double-layer flexible printed circuit board separation mechanism, which adopts the following technical scheme: comprises that

A supporting seat;

the product carrying platform is arranged on the supporting seat and used for bearing the OLED display screen;

the fixing mechanism comprises an X-axis driving assembly arranged on the supporting seat, a Y-axis driving assembly arranged on the X-axis driving assembly, a Z-axis driving assembly arranged on the Y-axis driving assembly and a vacuum handheld platform arranged on the Z-axis driving assembly, wherein the vacuum handheld platform is provided with a first vacuum sucker for adsorbing and fixing an upper FPC (flexible printed circuit), the X-axis driving assembly drives the Y-axis driving assembly to move along the length direction of the product carrying platform, the Y-axis driving assembly drives the Z-axis driving assembly to move along the width direction of the product carrying platform, and the Z-axis driving assembly drives the vacuum handheld platform to be close to or far away from the product carrying platform;

and the turnover mechanism comprises a second vacuum sucker for adsorbing and fixing the lower FPC and a turnover driving assembly arranged on the supporting seat and used for driving the second vacuum sucker to rotate.

Furthermore, the overturning driving assembly comprises an overturning plate and a pen-shaped air cylinder, the overturning plate is rotatably arranged on one side of the product carrying platform, the pen-shaped air cylinder drives the overturning plate to rotate, one end of the pen-shaped air cylinder is rotatably connected with the supporting seat, the other end of the pen-shaped air cylinder is rotatably connected with the free end of the overturning plate, and the second vacuum chuck is arranged on the overturning plate.

Furthermore, the turnover plate is provided with a positioning groove, and the positioning groove is matched with elements on the lower FPC in a concave-convex mode.

Furthermore, a limiting block is arranged on one side, close to the turnover plate, of the product carrying platform, the limiting block protrudes out of the product carrying platform, the turnover plate can be abutted to the limiting block by rotating the turnover plate, and when the turnover plate is abutted to the limiting block, the turnover plate is in a horizontal state.

Furthermore, fixed blocks are respectively arranged on two sides of one end of the product carrying platform in the length direction, each fixed block is provided with a rotating shaft, the two rotating shafts are arranged oppositely, one end of the turnover plate is rotatably connected with the two rotating shafts, and the limiting blocks are arranged on the fixed blocks.

Furthermore, the X-axis driving assembly comprises a first sliding block arranged on the supporting seat in a sliding mode and a rodless cylinder used for driving the first sliding block to move along the length direction of the product carrying platform.

Further, the supporting seat is provided with a sliding rail for the first sliding block to slide, a first in-place sensor and a second in-place sensor are arranged on two sides of the sliding rail in the length direction respectively, a trigger for sensing the first in-place sensor and the second in-place sensor is arranged on the first sliding block, a processor for controlling the rodless cylinder to start and stop is further arranged on the supporting seat, the processor is electrically connected with the first in-place sensor and the second in-place sensor respectively, when the trigger is close to the first in-place sensor or the second in-place sensor, the first in-place sensor or the second in-place sensor outputs an electric signal to the processor, and the processor receives the electric signal and controls the rodless cylinder to stop.

Furthermore, a hydraulic buffer for blocking the first sliding block is arranged on one side, close to the turnover mechanism, of the sliding rail.

Further, the Y-axis driving assembly comprises a second sliding block arranged on the first sliding block in a sliding mode and a first sliding table cylinder used for driving the second sliding block to move along the width direction of the product carrying table.

Further, Z axle drive assembly includes that vertical slip sets up in the third slider of second slider and is used for driving the second slip table cylinder that the third slider is close to or keeps away from the product microscope carrier.

Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:

the utility model adopts the first vacuum chuck to adsorb and fix the upper layer FPC and adopts the second vacuum chuck to separate the lower layer FPC, thus the separation efficiency is higher; the occupied space of the first vacuum chuck and the second vacuum chuck is small, a large operation space can be reserved for the subsequent bending process, meanwhile, the positions of the first vacuum chuck and the second vacuum chuck after the upper FPC and the lower FPC are separated are relatively fixed, the influence on the subsequent bending process is small, the subsequent bending precision can be improved, and therefore the quality of the OLED display screen is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic structural diagram of an OLED display screen;

FIG. 2 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 3 is a schematic view of an embodiment of the present application in use;

FIG. 4 is a side view of an embodiment of the present application;

FIG. 5 is a schematic diagram of an electrical connection of the first in-position sensor, the second in-position sensor, the processor and the rodless cylinder according to an embodiment of the present disclosure.

Description of reference numerals: 10. an OLED display screen; 11. an upper layer FPC; 12. a lower FPC layer; 20. a supporting seat; 21. a product carrying platform; 211. a fixed block; 212. a limiting block; 30. a vacuum hand-held platform; 31. a first vacuum chuck; 41. a first slider; 42. a rodless cylinder; 43. a slide rail; 44. a first in-place sensor; 45. a second in-place sensor; 46. a processor; 47. a trigger; 48. a hydraulic buffer; 51. a second slider; 52. a first sliding table cylinder; 61. a third slider; 62. a second sliding table cylinder; 71. a turnover plate; 711. positioning a groove; 72. a pen-shaped cylinder; 80. a second vacuum chuck;

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

Examples

As shown in fig. 2 to 4, a double-layer flexible printed circuit board separating mechanism includes a supporting base 20, a product carrier 21, a fixing mechanism (not labeled in the figures) and a turnover mechanism (not labeled in the figures), where the product carrier 21 is disposed on the supporting base 20, and the product carrier 21 is used to carry an OLED display screen 10; the fixing mechanism comprises an X-axis driving assembly (not marked in the figure) arranged on the supporting seat 20, a Y-axis driving assembly (not marked in the figure) arranged on the X-axis driving assembly, a Z-axis driving assembly (not marked in the figure) arranged on the Y-axis driving assembly and a vacuum handheld platform 30 arranged on the Z-axis driving assembly, wherein the vacuum handheld platform 30 is provided with a first vacuum sucker 31 for adsorbing and fixing an upper FPC11, the X-axis driving assembly drives the Y-axis driving assembly to move along the length direction of the product carrying platform 21, the Y-axis driving assembly drives the Z-axis driving assembly to move along the width direction of the product carrying platform 21, and the Z-axis driving assembly drives the vacuum handheld platform 30 to be close to or far away from the product carrying platform 21; the turnover mechanism comprises a second vacuum sucker 80 for adsorbing and fixing the lower FPC12 and a turnover driving assembly arranged on the supporting seat 20 and used for driving the second vacuum sucker 80 to rotate.

During specific work, the OLED display screen 10 is placed on the product carrying platform 21, so that the lower layer FPC12 is placed on the second vacuum chuck 80, and the OLED display screen 10 can be placed through a manipulator or manually; then the X-axis driving assembly and the Y-axis driving assembly drive the vacuum hand-holding platform 30 to move right above the FPC, the Z-axis driving assembly drives the vacuum hand-holding platform 30 to be close to the FPC, then the first vacuum sucker 31 is started, and the upper layer FPC11 is adsorbed and fixed to be prevented from sagging; then the second vacuum chuck 80 starts, adsorbs fixed lower floor's FPC12, and the upset drive assembly starts afterwards, drives the upset of second vacuum chuck 80 to realize the separation of upper FPC11 and lower floor's FPC 12. The utility model adopts the first vacuum chuck 31 to adsorb and fix the upper layer FPC11, and adopts the second vacuum chuck 80 to separate the lower layer FPC12, so that the separation efficiency is higher; the occupied space of the first vacuum sucker 31 and the second vacuum sucker 80 is small, a large operation space can be reserved for the subsequent bending process, meanwhile, the positions of the first vacuum sucker 31 and the second vacuum sucker 80 after the upper FPC and the lower FPC are separated are relatively fixed, the influence on the subsequent bending process is small, the subsequent bending precision can be improved, and therefore the quality of the OLED display screen 10 is improved.

As shown in fig. 2 and 4, the turnover driving assembly includes a turnover plate 71 rotatably disposed on one side of the product carrier 21 and a pen-shaped cylinder 72 for driving the turnover plate 71 to rotate, one end of the pen-shaped cylinder 72 is rotatably connected to the support base 20, the other end of the pen-shaped cylinder 72 is rotatably connected to a free end of the turnover plate 71, and the second vacuum chuck 80 is disposed on the turnover plate 71. Specifically, two sides of one end of the product carrying platform 21 in the length direction are respectively provided with a fixed block 211, two ends of the turning plate 71 are arranged on a rotating shaft (no mark is shown in the figure), the rotating shaft is respectively connected with the two fixed blocks 211 in a rotating manner, the pen-shaped air cylinder 72 can be purchased from the market, an air cylinder seat of the pen-shaped air cylinder 72 is connected with the supporting seat 20 in a rotating manner, a telescopic rod of the pen-shaped air cylinder 72 is connected with the free end of the rotating plate 71 in a rotating manner, the turning plate 71 can be driven to rotate around the rotating shaft when the pen-shaped air cylinder 72 works, when the lower-layer FPC12 is sucked by the second vacuum suction cup 80, the lower-layer FPC can be bent.

Preferably, in order to improve the accuracy of placing the OLED display screen 10 and facilitate the second vacuum chuck 80 to suck the lower FPC12, a positioning groove 711 is provided on the flip board 71, and the positioning groove 711 is used for being in concave-convex fit with elements on the lower FPC 12. Through the positioning groove 711, the lower-layer FPC can be conveniently aligned to the second vacuum chuck 80, the precision of the OLED display screen 10 placed on the product carrying platform 21 is improved, and the FPC separating efficiency is further improved.

Preferably, a limit block 212 is arranged on one side of the product carrier 21 close to the turnover plate 71, the limit block 212 protrudes out of the product carrier 21, the turnover plate 71 can be abutted against the limit block 212 by rotating the turnover plate 71, and when the turnover plate 71 is abutted against the limit block 212, the turnover plate 71 is in a horizontal state. Specifically, the limiting block 212 is disposed on the fixing block 211, the turning plate 71 can abut against the limiting block 212 when rotating upwards, and when the turning plate 71 abuts against the limiting block 212, the turning plate 71 is in a horizontal state, so that the first vacuum chuck 31 can conveniently adsorb and fix the upper layer FPC 11.

As shown in fig. 2, the X-axis driving assembly includes a first slider 41 slidably disposed on the support base 20, and a rodless cylinder 42 for driving the first slider 41 to move along the length direction of the product carrier 21. Specifically, two sides of the product carrying table 21 in the width direction are respectively provided with a sliding rail 43, the first slider 41 is in a long shape, two ends of the first slider 41 are respectively connected with the sliding rails 43 in a sliding manner, the rodless cylinder 42 can be purchased from the market, and the rodless cylinder 42 is arranged on the supporting base 20 and is used for driving the first slider 41 to move along the sliding rails 43, so that the position of the first vacuum chuck 31 in the length direction of the product carrying table 21 can be conveniently adjusted.

As shown in fig. 5, a first in-place sensor 44 and a second in-place sensor 45 are respectively disposed on two sides of the sliding rail 43 in the length direction, a trigger 47 for sensing the first in-place sensor 44 and the second in-place sensor 45 is disposed on the first slider 41, a processor 46 for controlling the rodless cylinder 42 to drive and stop is further disposed on the supporting base 20, the processor 46 is electrically connected to the first in-place sensor 44 and the second in-place sensor 45, when the trigger 47 is close to the first in-place sensor 44 or the second in-place sensor 45, the first in-place sensor 44 or the second in-place sensor 45 outputs an electrical signal to the processor 46, and the processor 46 receives the electrical signal and controls the rodless cylinder 42 to stop. Specifically, the first in-position sensor 44 and the second in-position sensor 45 may be infrared photoelectric sensors.

Preferably, a hydraulic buffer 48 for blocking the first slider 41 is disposed on one side of the slide rail 43 close to the turnover mechanism. During specific work, the rodless cylinder 42 drives the first sliding block 41 to be close to the turnover plate 71, the first sliding block 41 has a buffering effect when contacting the hydraulic buffer 48, the first sliding block 41 is prevented from being separated from the sliding rail 43, meanwhile, the first vacuum suction cup 31 is ensured to be positioned right above the turnover plate 71, and the positioning precision is improved.

As shown in fig. 2 and 4, the Y-axis driving assembly includes a second slider 51 slidably disposed on the first slider 41 and a first slide cylinder 52 for driving the second slider 51 to move along the width direction of the product stage 21, and the first slide cylinder 52 is commercially available. Specifically, the first sliding table cylinder 52 can drive the second sliding block 51 to move along the first sliding block 41, so as to adjust the vacuum handheld platform above the OLED display screen 10.

As shown in fig. 2 and 4, the Z-axis driving assembly includes a third slider 61 vertically slidably disposed on the second slider 51 and a second slide cylinder 62 for driving the third slider 61 to approach or separate from the product stage 21. The second slip cylinder 62 is commercially available. Specifically, the second sliding table cylinder 62 can drive the third sliding block 61 to move up and down, so as to adjust the vacuum hand-held platform to be close to or far away from the turnover plate 71.

Principle of operation

During specific work, the turnover plate 71 is in a horizontal state, the OLED display screen 10 is placed on the product carrying platform 21, the lower-layer FPC12 is placed in the positioning groove 711, the second vacuum chuck 80 is tightly attached to the lower-layer FPC12, and the OLED display screen 10 can be placed through a manipulator or manually; then the X-axis driving assembly and the Y-axis driving assembly drive the vacuum hand-grasping platform to move right above the FPC, the Z-axis driving assembly drives the vacuum hand-grasping platform to be close to the FPC, then the first vacuum sucker 31 is started, and the upper layer FPC11 is adsorbed and fixed to be prevented from sagging; then the second vacuum chuck 80 starts, adsorbs fixed lower floor's FPC12, and the upset drive assembly starts afterwards, drives the upset of second vacuum chuck 80 to realize the separation of upper FPC11 and lower floor's FPC 12.

The utility model adopts the first vacuum chuck 31 to adsorb and fix the upper layer FPC11, and adopts the second vacuum chuck 80 to separate the lower layer FPC12, so that the separation efficiency is higher; the occupied space of the first vacuum sucker 31 and the second vacuum sucker 80 is small, a large operation space can be reserved for the subsequent bending process, meanwhile, the positions of the first vacuum sucker 31 and the second vacuum sucker 80 after the upper FPC and the lower FPC are separated are relatively fixed, the influence on the subsequent bending process is small, the subsequent bending precision can be improved, and therefore the quality of the OLED display screen 10 is improved.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. The utility model provides a double-deck flexible printed circuit board separating mechanism which characterized in that: comprises that

A supporting seat;

2. The double-layer flexible printed circuit board separating mechanism according to claim 1, wherein: the overturning driving assembly comprises an overturning plate and a pen-shaped air cylinder, the overturning plate is rotatably arranged on one side of the product carrying platform, the pen-shaped air cylinder drives the overturning plate to rotate, one end of the pen-shaped air cylinder is rotatably connected with the supporting seat, the other end of the pen-shaped air cylinder is rotatably connected with the free end of the overturning plate, and the second vacuum chuck is arranged on the overturning plate.

3. The separation mechanism of double-layer flexible printed circuit board according to claim 2, characterized in that: the turnover plate is provided with a positioning groove, and the positioning groove is matched with elements on the lower FPC in a concave-convex mode.

4. The separation mechanism of double-layer flexible printed circuit board according to claim 2, characterized in that: the side, close to the turnover plate, of the product carrying platform is provided with a limiting block, the limiting block protrudes out of the product carrying platform, the turnover plate can be abutted to the limiting block by rotating the turnover plate, and when the turnover plate is abutted to the limiting block, the turnover plate is in a horizontal state.

5. The separation mechanism of double-layer flexible printed circuit board according to claim 4, characterized in that: the two sides of one end of the product carrying platform in the length direction are respectively provided with a fixed block, each fixed block is provided with a rotating shaft, the two rotating shafts are arranged oppositely, one end of the turnover plate is rotatably connected with the two rotating shafts, and the limiting block is arranged on the fixed block.

6. The double-layer flexible printed circuit board separation mechanism according to any one of claims 1 to 5, wherein: the X-axis driving assembly comprises a first sliding block arranged on the supporting seat in a sliding mode and a rodless cylinder used for driving the first sliding block to move along the length direction of the product carrying platform.

7. The separation mechanism of double-layer flexible printed circuit board according to claim 6, characterized in that: the supporting seat is provided with a sliding rail used for supplying the first sliding block to slide, a first in-place sensor and a second in-place sensor are arranged on two sides of the sliding rail in the length direction respectively, a trigger used for sensing the first in-place sensor and the second in-place sensor is arranged on the first sliding block, a processor used for controlling starting and stopping of the rodless cylinder is further arranged on the supporting seat, the processor is electrically connected with the first in-place sensor and the second in-place sensor respectively, when the trigger is close to the first in-place sensor or the second in-place sensor, the first in-place sensor or the second in-place sensor outputs an electric signal to the processor, and the processor receives the electric signal and controls the rodless cylinder to stop.

8. The separation mechanism of double-layer flexible printed circuit board according to claim 7, characterized in that: one side of the slide rail, which is close to the turnover mechanism, is provided with a hydraulic buffer for blocking the first slide block.

9. The separation mechanism of double-layer flexible printed circuit board according to claim 8, characterized in that: the Y-axis driving assembly comprises a second sliding block arranged on the first sliding block in a sliding mode and a first sliding table cylinder used for driving the second sliding block to move along the width direction of the product carrying table.

10. The separation mechanism of a double-layer flexible printed circuit board according to claim 9, wherein: and the Z-axis driving assembly comprises a third sliding block which is vertically arranged on the second sliding block in a sliding manner and a second sliding table cylinder which is used for driving the third sliding block to be close to or far away from the product carrying table.