CN210928185U - Automatic turn-over mechanism for automatic assembly line of flexible circuit board - Google Patents

Abstract

The utility model discloses an automatic turn-over mechanism for a flexible circuit board automatic assembly line, which comprises a front material placing plate used for bearing the flexible circuit board with the front side facing upwards before turn-over; the reverse side discharging plate is used for clamping the flexible circuit board in a matching manner with the front side discharging plate in the turnover process of the flexible circuit board, and the reverse side discharging plate is also used for bearing the flexible circuit board with the reversed reverse side upward; the first driving assembly is used for driving the front discharging plate to turn over; and the first driving assembly is used for driving the reverse feeding plate to turn over. Through positive blowing board and reverse side blowing board collaborative work, the upset again is protected with the flexible circuit board centre gripping for the flexible circuit board is reliable more stable at the turn-over in-process, thereby the flexible circuit board is difficult for dropping at the turn-over in-process, protects electronic components on the flexible circuit board better, avoids electronic components on the flexible circuit board to damage because of dropping.

Description

Automatic turn-over mechanism for automatic assembly line of flexible circuit board

Technical Field

The utility model relates to a flexible circuit board turn-over technical field especially relates to an automatic turn-over mechanism for automatic assembly line of flexible circuit board.

Background

In the electronic industry, a double-sided Flexible Printed Circuit Board (FPCB) is widely applied to various electronic products, plays a role in mounting and supporting and electrically connecting electronic components, and is an indispensable important component in the electronic industry. Flexible Printed Circuit (Flexible Printed Circuit), because Flexible Circuit is more soft not convenient to process, generally need paste Flexible Circuit board earlier on comparatively stiff carrier, again laminate one deck apron on Flexible Circuit board for flatten Flexible Circuit board, ensure that the position of last Printed Circuit of Flexible Circuit board is accurate, then carry out subsequent processing again.

At present, for a flexible circuit board with a double-sided printed circuit, after one side of the flexible circuit board is printed, the flexible circuit board is turned over manually so as to print a circuit on the other side of the flexible circuit board.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the turnover of the flexible circuit board is increased by manual contact because of the manual contact of the flexible circuit board product is improper, thereby leading to the risk of the quality reduction of the flexible circuit board product.

The utility model discloses a following technical scheme realizes: an automatic turn-over mechanism for an automatic assembly line of flexible circuit boards, further comprising:

the front discharging plate is used for bearing the flexible circuit board with the front facing upwards before turning over;

the reverse side discharging plate is used for clamping the flexible circuit board in a matching manner with the front side discharging plate in the turnover process of the flexible circuit board, and the reverse side discharging plate is also used for bearing the flexible circuit board with the reversed reverse side upward;

the first driving assembly is used for driving the front discharging plate to turn over;

and the second driving assembly is used for driving the reverse feeding plate to turn over.

The automatic turn-over mechanism for the automatic assembly line of the flexible circuit board further comprises a first connecting seat and a second connecting seat which are arranged side by side in the horizontal direction, a first rotating shaft which is rotatably connected between the first connecting seat and the second connecting seat, a third driven wheel which is fixedly connected with the rear end of the first rotating shaft, a third stepping motor, a third driving wheel which is connected with an output shaft of the third stepping motor, and a fourth conveying belt which is connected between the third driven wheel and the third driving wheel, wherein the front material discharging plate is fixedly connected with the first rotating shaft.

In the automatic turn-over mechanism for the automatic assembly line of the flexible circuit board, the top surface of the front material placing plate is provided with a containing groove for containing the flexible circuit board.

The automatic turn-over mechanism for the automatic assembly line of the flexible circuit board is characterized in that a baffle is arranged on the third driving wheel, two induction assemblies are symmetrically arranged on the left side and the right side of the third driving wheel and comprise a first fixing block and groove-shaped sensors which are fixedly arranged on the first fixing block and used for detecting the position of the baffle, and the two groove-shaped sensors on the two induction assemblies are arranged oppositely.

The automatic turn-over mechanism for the automatic assembly line of the flexible circuit board further comprises a third connecting seat and a fourth connecting seat which are arranged side by side in the horizontal direction, a second rotating shaft which is connected between the third connecting seat and the fourth connecting seat in a rotating mode, a fourth driven wheel which is fixedly connected with the front end of the second rotating shaft, a rotating cylinder, a fourth driving wheel which is connected with an output shaft of the rotating cylinder, and a fourth conveying belt which is connected between the fourth driven wheel and the fourth driving wheel, wherein the reverse material discharging plate is fixedly connected with the second rotating shaft.

The automatic turn-over mechanism for the automatic assembly line of the flexible circuit board further comprises a first mounting seat, wherein a plurality of first hydraulic buffers are respectively arranged on the left side of the first mounting seat, and the anti-collision cap of each first hydraulic buffer is vertically arranged upwards and faces the bottom surface of the front material discharging plate.

The left side of the first mounting seat is respectively provided with a plurality of second hydraulic buffers, and the anti-collision cap of each second hydraulic buffer is vertically arranged upwards and faces the bottom surface of the reverse material discharging plate.

Implement the utility model discloses a beneficial effect includes at least: through positive blowing board and reverse side blowing board collaborative work, the upset again is protected with the flexible circuit board centre gripping for the flexible circuit board is reliable more stable at the turn-over in-process, thereby the flexible circuit board is difficult for dropping at the turn-over in-process, protects electronic components on the flexible circuit board better, avoids electronic components on the flexible circuit board to damage because of dropping.

Drawings

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

FIG. 2 is a schematic top view of one embodiment of the present invention;

FIG. 3 is a schematic structural view of an embodiment of the incoming material conveying mechanism of the present invention;

FIG. 4 is a schematic structural view of one embodiment of a product transport mechanism of the present invention;

FIG. 5 is another schematic structural view of one embodiment of the product transport mechanism of the present invention;

FIG. 6 is a schematic structural view of one embodiment of a barrier assembly of the present invention;

FIG. 7 is a schematic structural view of one embodiment of a first turn-over assembly of the present invention;

FIG. 8 is a schematic structural view of one embodiment of a second turn-over assembly of the present invention;

FIG. 9 is a schematic structural view of one embodiment of the turn-over mechanism of the present invention;

FIG. 10 is a schematic diagram of a first pusher track according to one embodiment of the present invention;

FIG. 11 is a schematic structural view of one embodiment of a first pushing mechanism of the present invention;

FIG. 12 is a schematic structural view of one embodiment of a first transfer mechanism of the present invention;

FIG. 13 is a schematic structural view of an embodiment of the lifting, retrieving and feeding mechanism of the present invention;

FIG. 14 is a schematic structural view of one embodiment of a second pusher track of the present invention;

FIG. 15 is a schematic structural view of one embodiment of a second pushing mechanism of the present invention;

FIG. 16 is a schematic structural view of one embodiment of a second transfer mechanism of the present invention;

FIG. 17 is a schematic view of a take off mechanism according to one embodiment of the present invention;

FIG. 18 is a schematic structural view of one embodiment of a buffer of the present invention;

FIG. 19 is a flow chart of one embodiment of a method of the present invention for de-taping for an automated flexible circuit board assembly line;

fig. 20 is a flowchart before the step S1 in fig. 19;

fig. 21 is a flowchart of a sub-step included in S2 in fig. 19;

fig. 22 is a flowchart of a sub-step included in S3 in fig. 19;

reference numerals:

a detaching, turning and pasting integrated device-100 for an automatic assembly line of a flexible circuit board;

a feeding and conveying mechanism-20; a first conveyor assembly-21; a first conveying plate-22; a first head block-23; a first stepper motor-24; a first drive wheel-25; a first driven pulley-26; a first belt rib-27;

a finished product conveying mechanism-30; a second conveyor assembly-31; a second transfer plate-32; a second head block-33; a second stepper motor-34; a second drive wheel-35; a second driven pulley-36; a second belt rib-37;

a barrier assembly-38; a sixth cylinder-381; a first stop-382; a first connecting portion-3821; a first barrier-3822; a first groove-383;

a turn-over mechanism-40; a first mounting seat-41;

a first turn-over assembly-42; a front discharge plate-424; a first drive assembly-411; a first connecting seat-421; a first rotating shaft-423; a third driven wheel-425; a third stepper motor-426; a third driving wheel-427; a receiving groove-428;

a second turn-over assembly-43; a reverse side discharge plate-434; a second drive assembly-412; a third connecting seat-431; a second rotating shaft-433; a fourth driven wheel-435; a rotary cylinder-436; a fourth driving wheel-437; a fifth connecting seat-429;

a baffle-44;

-a sensing assembly-45; a first fixing block-451; a slot sensor-452;

a support block-46; a first hydraulic shock absorber-47; a second hydraulic shock absorber-48;

a front carrier transfer mechanism-50;

a first pusher rail-51; a third transport assembly-511; a third head block-5111; a third transfer plate-5112; a third belt rib-5113;

a first transfer mechanism-53; a second mounting seat-531; a second power source-532; a second connecting plate-533; a first cylinder-534; a first connection block-535; a second link frame-536; a first suction cup-537;

reverse carrier feed mechanism-70;

a second pushing rail-71; a third transport assembly-711; a third conveying plate-7111; a third cushion block-7112; a fourth stepping motor-7113; a sixth driving wheel-7114; a sixth driven wheel-7115; a fourth belt rib-7116;

a second transfer mechanism-73; a third mount-731; a fourth power source-732; a fifth connecting plate-733; a fifth cylinder-734; a second connecting block-735; a third connecting frame-736; a third suction cup-737;

a material taking mechanism-80; a manipulator-81; a flange-82; a second mounting bracket-83; a first link frame-84; a second suction cup-85;

temporary storage seat-90; a support plate-91; a support post-92; a temporary storage plate-93;

a frame-10; a lower camera-201; and (4) an upper camera-202.

A front and back carrier material frame assembly-101 for the flexible circuit board automatic assembly line;

lifting, recovering and feeding mechanism-60; a first mounting plate-61; a second mounting plate-62; a ball screw-63; a guide post-64; a third power source-65; a fifth capstan-66; a fifth transmission wheel-67; a ball nut-68; a lifting platform-69; a bin-611;

a first pusher-52; a first power source-521; a first connecting plate-522; a first connection portion-5221; a second connecting portion-5222; a push plate-523;

a second pushing mechanism-72; a bottom plate-721; a second cylinder-722; a third web-723; a third cylinder-724; a fourth connecting plate-725; a fourth cylinder-726.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In this embodiment, the front carrier includes a front carrier body and a front cover plate engaged with the front carrier body, and the back carrier includes a back carrier body and a back cover plate engaged with the back carrier body.

Referring to fig. 1 and 2, a flip-chip integrated apparatus 100 for an automatic assembly line of a flexible circuit board includes:

a material taking mechanism 80 for taking the flexible circuit board with the front side facing upwards from the front carrier; and

an automatic turn-over mechanism 40 for a flexible circuit board automatic assembly line, for turning over a flexible circuit board with a front side facing up into a flexible circuit board with a reverse side facing up, wherein the front side and the reverse side are two front and reverse surfaces of the flexible circuit board respectively;

the material taking mechanism 80 is also configured to position the flexible circuit board with the reverse side facing upward on the reverse side carrier.

It should be noted that the automatic turn-over mechanism for the automatic assembly line of the flexible circuit board is also simply referred to as a turn-over mechanism herein.

In this embodiment, the integral apparatus 100 for detaching, turning and attaching a flexible printed circuit board in an automatic assembly line further includes:

a feeding and conveying mechanism 20 for conveying the flexible circuit board with its front surface facing upward;

a finished product conveying mechanism 30 for conveying the flexible circuit board with the reverse side facing upward to the next processing station;

a front carrier transfer mechanism 50 for transferring the front carrier on the incoming material conveying mechanism 20;

a reverse carrier feeding mechanism 70 for transferring the reverse carrier to the finished product conveying mechanism 30;

the front and back carrier material frame assembly 101 is used for a flexible circuit board automatic assembly line and is used for realizing the feeding of a back carrier and the recovery of a front carrier;

a temporary storage seat 90; the temporary storage seat 90 is used for temporarily storing the back cover plate; and

the flexible circuit board automatic assembly line comprises a rack 10, an incoming material conveying mechanism 20, a finished product conveying mechanism 30, a turnover mechanism 40, a front carrier transfer mechanism 50, a back carrier feeding mechanism 70, a material taking mechanism 80, a temporary storage seat 90, and front and back carrier material frame assemblies 101 for the flexible circuit board automatic assembly line, wherein the front and back carrier material frame assemblies are arranged on the rack 10. The turnover mechanism 40 is disposed between the incoming material conveying mechanism 20 and the finished product conveying mechanism 30, and is used for turning over the flexible printed circuit board.

Referring to fig. 18, the temporary storage seat 90 includes a support plate 91 disposed on the frame 10, four support columns 92 welded to four corners of the support plate 91, and a temporary storage plate 93 welded to tops of the four support columns 92, and a back cover plate is disposed on the temporary storage plate 93.

Referring to fig. 3, the feeding mechanism 20 is used for feeding the flexible printed circuit board with partial circuit printing.

The incoming material conveying mechanism 20 includes a pair of first conveying assemblies 21 arranged side by side in front and behind the frame 10.

The first conveying assembly 21 comprises a first conveying plate 22, a first cushion block 23 arranged at the bottom of the first conveying plate 22, a first stepping motor 24 arranged on the first cushion block 23, a first driving wheel 25 connected with an output shaft of the first stepping motor 24, a first conveying belt used for conveying a front carrier, a plurality of first driven wheels 26, and a first belt protruding strip 27 guiding the first conveying belt to rotate in a closed loop mode, wherein the first driving wheel 25 and four first driven wheels 26 are used for supporting and conveying the first conveying belt.

The first stepping motor 24 drives the first driving wheel 25 to rotate so as to drive the first conveyor belt to rotate in a closed loop along the first belt protruding strip 27.

In the embodiment, the first belt ribs 27 of the two first conveying assemblies 21 are disposed opposite to each other to cooperatively support the front carrier. The first stepping motor 24 is a stepping motor with a model number CT2H420068-011, which is manufactured by fast corporation, and the stepping motor can be realized by the prior art by those skilled in the art, is not the focus of the present application, and is not described in detail herein.

Referring to fig. 4, the finished product conveying mechanism 30 includes a pair of second conveying assemblies 31 arranged side by side in front and back of the frame 10.

The second conveying assembly 31 comprises a second conveying plate 32, a second cushion block 33 arranged at the bottom of the second conveying plate 32, a second stepping motor 34 arranged on the second cushion block 33, a second driving wheel 35 connected with an output shaft of the second stepping motor 34, a second conveying belt used for conveying a reverse carrier, a plurality of second driven wheels 36, and a second belt convex strip 37 guiding the second conveying belt to rotate in a closed loop, wherein the second driving wheel 35 and the plurality of second driven wheels 36 are used for supporting and conveying the second conveying belt.

The second stepping motor 34 drives the second driving wheel 35 to rotate so as to drive the second conveyor belt to rotate in a closed loop along the second belt protruding strip 37.

In this embodiment, the second belt protrusions 37 of the two second conveying assemblies 31 are disposed opposite to each other and cooperatively support the carrier. The first stepping motor 24 is a stepping motor with a model number CT2H420068-011, which is manufactured by fast corporation, and the stepping motor can be realized by the prior art by those skilled in the art, is not the focus of the present application, and is not described in detail herein.

Referring to fig. 4 to fig. 6, two blocking assemblies 38 are oppositely disposed on the two second conveying plates 32, and the two blocking assemblies 38 cooperatively block the reverse carriers conveyed on the finished product conveying mechanism 30.

Referring to fig. 4 to 6, the blocking assembly 38 includes a sixth cylinder 381 disposed on the first conveying plate 22, and a first block 382 connected to an output shaft of the sixth cylinder 381 in a vertical direction, where the first block 382 includes a first connecting portion 3821 and a first blocking portion 3822 connected to the first connecting portion 3821, the top of the two second conveying plates 32 is relatively provided with the first groove 383, and the first blocking portion 3822 passes through the first groove 383 and is disposed above the second belt protruding strip 37.

In this embodiment, the sixth cylinder 381 is a sliding table cylinder manufactured by alder corporation and having a model number of HLH10X30, which can be implemented by a person skilled in the art by using the existing technology, and is not a focus of the present application and will not be described in detail herein.

Referring to fig. 7 to 9, the turn-over mechanism 40 includes a first mounting base 41, a first turn-over assembly 42 disposed on the first mounting base 41, and a second turn-over assembly 43 disposed on the first mounting base 41. Supporting blocks 46 are arranged on the left side and the right side of the bottom of the first mounting seat 41.

Referring to fig. 7 and 9, the first turnover assembly 42 includes: a front discharging plate 424, and a first driving assembly 411 for driving the front discharging plate 424 to turn over.

The first driving assembly 411 includes a first connecting seat 421 and a second connecting seat horizontally arranged in front and back in parallel on the first mounting seat 41, a first rotating shaft 423 rotatably connected between the first connecting seat 421 and the second connecting seat, a third driven wheel 425 fixedly connected to a rear end of the first rotating shaft 423, a third step feeding motor 426 arranged on a rear side of the first mounting seat 41, a third driving wheel 427 connected to an output shaft of the third step feeding motor 426, and a third conveying belt (not shown) connected between the third driven wheel 425 and the third driving wheel 427, wherein a front discharging plate 424 is screwed to the first rotating shaft 423, and a receiving groove 428 for receiving a flexible circuit board is formed in the front discharging plate 424.

In this embodiment, the rear end of the first rotating shaft 423 is rotatably connected to the first connecting seat 421 through a ball bearing, and the front end of the first rotating shaft 423 is rotatably connected to the second connecting seat through a ball bearing. The third driven pulley 425 and the third driving pulley 427 are preferably synchronous pulleys, and the third belt is preferably a synchronous belt. An output shaft of the third stepping motor 426 rotates, and the first rotating shaft 423 rotates to turn the front discharging plate 424 under the driving action of the third driven wheel 425, the third driven wheel 425 and the third conveyor belt.

The third stepper motor 426 is a stepper motor model LS57a280, which can be implemented by a person skilled in the art using the existing technology, and is not the focus of the present application and will not be described in detail herein.

Referring to fig. 8 and 9, the second turnover assembly 43 includes: a reverse discharge plate 434, and a second driving assembly 412 for driving the reverse of the reverse discharge plate 434.

The second driving assembly 412 includes a third connecting seat 431 and a fourth connecting seat arranged in parallel in the front-back direction on the first mounting seat 41, a second rotating shaft 433 rotatably connected between the third connecting seat 431 and the fourth connecting seat, a fourth driven wheel 435 fixedly connected with the front end of the second rotating shaft 433, a rotary cylinder 436 arranged on the front side of the first mounting seat 41, a fourth driving wheel 437 connected with an output shaft of the rotary cylinder 436, and a fourth conveying belt connected between the fourth driven wheel 435 and the fourth driving wheel 437, wherein a reverse material discharge plate 434 is fixed with the second rotating shaft 433 in a threaded manner.

In this embodiment, the rear end of the second rotating shaft 433 is rotatably connected to the fourth connecting holder by a ball bearing, and the front end of the second rotating shaft 433 is rotatably connected to the third connecting holder 431 by a ball bearing. The fourth driven pulley 435 and the fourth driving pulley 437 are preferably timing pulleys, and the fourth transmission belt is preferably a timing belt. The output shaft of the rotary cylinder 436 rotates, and the second rotating shaft 433 rotates to drive the reverse material discharging plate 434 to turn over under the transmission action of the fourth driven wheel 435, the fourth driving wheel 437 and the fourth transmission belt.

It is worth mentioning that the fourth connecting seat and the second connecting seat are reused. In this embodiment, the fourth connecting seat and the second connecting seat are collectively named as a fifth connecting seat 429. The fourth connecting seat and the second connecting seat are reused, so that raw material cost and occupied space are saved. On the first mounting seat 41, the first connecting seat 421, the third connecting seat 431 and the fifth connecting seat 46 are arranged side by side in the front-rear direction.

Referring to fig. 9, a plurality of first hydraulic buffers 47 are respectively disposed on the left side of the first mounting base 41. The crash cap of each first hydraulic shock absorber 47 is disposed vertically upward and toward the bottom surface of the front discharge plate 424, and when the front discharge plate 424 contacts the crash cap of the first hydraulic shock absorber 47, the front discharge plate 424 and the first mounting seat 41 are parallel to each other. The first hydraulic damper 47 is used to protect the material discharge plate 424 from overturning.

A plurality of second hydraulic buffers 48 are provided on the right side of the first mount 41. The crash cap of each second hydraulic shock absorber 48 is vertically disposed upward and toward the bottom surface of the reverse side discharge plate 434, and when the reverse side discharge plate 434 contacts the crash cap of the second hydraulic shock absorber 48, the reverse side discharge plate 434 and the first mounting seat 41 are parallel to each other. The second hydraulic buffer 48 is used to buffer and protect the reverse side discharge plate 424 from overturning.

The first and second hydraulic shock absorbers 47 and 48 are hydraulic shock absorbers of type ACA0806, which can be realized by those skilled in the art by using the conventional techniques, and are not important in the present application and will not be described in detail herein.

It should be noted that the second driving assembly 412 drives the reverse material discharge plate 434 to turn over by using the rotary cylinder 436, so that the flexible circuit board is not damaged. Compared with the situation that the reverse side discharging plate 434 is driven to turn over by adopting a stepping motor, the reverse side discharging plate 434 can be attached to the flexible circuit board in a clinging manner, and electronic components printed on the flexible circuit board cannot be damaged. Prevent that step motor pressfitting flexible circuit board's dynamics control is improper to crush electronic components on the flexible circuit board to damage the flexible circuit board.

And the rotary cylinder 436 is a rotary cylinder of type HRQ20, which can be implemented by a person skilled in the art by using the existing technology, and is not the focus of the present application and will not be described in detail herein.

Referring to fig. 7 and 9, a baffle 44 is disposed on the third driving wheel 427, and two sensing elements 45 are symmetrically disposed on the left and right sides of the third driving wheel 427. The sensing assembly 45 includes a first fixing block 451 fixed on the frame 10, and a slot sensor 452 fixed on the first fixing block 451 and used for detecting the position of the blocking plate 44.

In this embodiment, when the blocking plate 44 rotates into the groove of the slot sensor 452 on the left side of the third driving wheel 427, the third stepping motor 426 stops working, and the front discharging plate 424 is positioned above the left side of the first mounting seat 41 and parallel to the first mounting seat 41.

When the baffle 44 rotates into the groove of the channel sensor 452 on the right side of the third driving wheel 427, the third stepping motor 426 stops working, the front discharge plate 424 is located above the right side of the first mounting seat 41 and parallel to the first mounting seat 41, and the receiving groove 428 faces downward and is attached to the back discharge plate 434.

Referring to fig. 7 to 9, exemplary steps of the turning mechanism of the present embodiment are as follows:

initially, the front discharging board 424 is located above the left side of the first mounting seat 41, the back discharging board 434 is located above the right side of the first mounting seat 41, an angle of 180 degrees is formed between the front discharging board 424 and the back discharging board 434, and the flexible circuit board to be flipped is placed on the front discharging board 424.

Firstly, the reverse side material placing plate 434 is turned over 180 degrees towards the front side material placing plate 424, and the reverse side material placing plate 434 is attached to the front side material placing plate 424 to clamp the flexible circuit board together; then, the reverse side discharging board 434 and the front side discharging board 424 rotate together by 180 degrees in the right direction, and the turned-over flexible circuit board falls on the top surface of the reverse side discharging board 434; and finally, the reverse side material placing plate 434 rotates towards the left side for 180 degrees to reset, the flexible circuit board turned over on the reverse side material placing plate 434 waits to be taken away by the material taking mechanism, and the turning over of the flexible circuit board is completed.

In conclusion, the invention also provides a novel turnover mechanism which can realize reliable turnover in the front and back printing process of the flexible circuit board and ensure that the flexible circuit board is not damaged. Particularly, the front discharging plate 424 and the back discharging plate 434 work in a cooperative manner to clamp the flexible circuit board and then turn over the flexible circuit board, so that the flexible circuit board is more reliable and stable in the turning process, the flexible circuit board is not easy to drop in the turning process, electronic components on the flexible circuit board are better protected, and the electronic components on the flexible circuit board are prevented from being damaged due to dropping.

Referring to fig. 17, the material taking mechanism 80 includes: a manipulator 81 provided on the frame 10; a flange 82 connected to the power output side of the manipulator 81; the second mounting frame 83 is arranged at the bottom of the flange 82 and is fixedly connected with the flange 82 in a threaded manner; a first attachment bracket 84 screw-fixed to the bottom of the second mounting bracket 83; and eight second suction cups 85 mounted on the first link frame 84.

In this embodiment, the manipulator 81 is a four-axis robot manufactured by mitsubishi corporation and having a model number of RH-6CH, which can be implemented by a person skilled in the art using the existing technology, and is not the focus of the present application and will not be described in detail herein.

Referring to fig. 2, the apparatus for automatically assembling flexible printed circuit boards in this embodiment further includes a lower camera 201 disposed on the frame 10 and used for sensing a reverse flexible printed circuit board and a reverse cover, and an upper camera 202 disposed on the second mounting frame 83 and used for sensing a reverse carrier. The lower camera 201 and the upper camera 202 are industrial cameras, which can be implemented by those skilled in the art by using the existing technology, are not the focus of the present application, and will not be described in detail herein.

In this embodiment, the front cover plate and the back cover plate are steel plates. The integral type detaching, turning and attaching device for the automatic flexible circuit board assembly line further comprises a control unit, the control unit is located in a control box (not shown) below the rack 10, the control unit is responsible for flow management of a program of the integral type detaching, turning and attaching device for the automatic flexible circuit board assembly line, and the control unit is not a key point of the present application and is not described in detail herein.

Referring to fig. 2, an exemplary step of the material taking mechanism 80 of the present embodiment accurately attaching the flexible circuit board to the reverse carrier, and further attaching the reverse cover plate to the flexible circuit board, is as follows:

firstly, the material taking mechanism 80 moves to the position above the back carrier, the upper camera 202 captures two calibration images on the back carrier respectively and transmits the two calibration images to the control unit, and the control unit calculates the coordinates of the two calibration images on the back carrier after digital processing.

Then, the material taking mechanism 80 moves to the position above the lifting and feeding mechanism 20 to adsorb a single flexible circuit board, and moves the flexible circuit board to the position above the lower phase machine 201, the lower phase machine 201 captures two calibration images on the flexible circuit board and transmits the two calibration images to the control unit, and the control unit calculates the coordinates of the two calibration images on the flexible circuit board after digital processing; the control unit calculates the operation path of the material taking mechanism 80 according to the difference between the two calibration image coordinates on the flexible circuit board and the two calibration image coordinates on the reverse carrier, so that the two calibration image coordinates on the flexible circuit board are the same as the two calibration image coordinates on the reverse carrier, and the material taking mechanism 80 executes the operation path so as to accurately paste the flexible circuit board at the specified position on the reverse carrier.

Finally, the material taking mechanism 80 moves to the position above the temporary storage seat 90 to adsorb a single back cover plate, and moves the back cover plate to the position above the lower machine 201, the lower machine 201 captures two calibration images on the back cover plate respectively and transmits the two calibration images to the control unit, the control unit calculates the coordinates of the two calibration images on the steel plate after digital processing, the control unit calculates the running path of the material taking mechanism 80 according to the difference between the coordinates of the two calibration images on the back cover plate and the coordinates of the two calibration images on the back carrier, so that the coordinates of the two calibration images on the back cover plate are the same as the coordinates of the two calibration images on the back carrier, the material taking mechanism 80 executes the running path so as to press the back cover plate on the flexible circuit board and align the, the flexible circuit board clamped between the reverse side cover plate and the reverse side carrier is fixed on the carrier through the magnetic attraction force between the reverse side cover plate and the reverse side carrier, and the laminating accuracy of the flexible circuit board is high.

Referring to fig. 1, 10 and 12, the front carrier transfer mechanism 50 includes: a first material pushing rail 51 arranged at the front side of the supplied material conveying mechanism 20, and a first transfer mechanism 53 arranged at the left side of the first material pushing rail 51.

Referring to fig. 10, the first pushing track 51 includes a pair of third conveying assemblies 511 arranged in front of and behind the rack 10.

The third conveying assembly 511 includes a third cushion block 5111 disposed on the frame 10, a third conveying plate 5112 disposed on the third cushion block 5111, and a third belt protruding strip 5113 disposed on the third conveying plate 5112 for receiving a front carrier. The third belt protruding strips 5113 of the two third conveying assemblies 511 are oppositely arranged to cooperatively support the front carrier.

Referring to fig. 12, the first transfer mechanism 53 includes a second mounting base 531 disposed on the rack 10, a second power source 532 disposed on the second mounting base 531, a second connecting plate 533 connected to a power output side of the second power source 532 in a horizontal direction, a first cylinder 534 disposed on the second connecting plate 533, a first connecting block 535 connected to an output shaft of the first cylinder 534 in a vertical direction, a second connecting frame 536 disposed at a bottom of the first connecting block 535, and four first suction cups 537 disposed on the second connecting frame 536.

In this embodiment, the number of the second mounting seats 531 is two, the two second mounting seats 531 are respectively disposed at the front side and the rear side of the bottom of the second power source 532, the second power source 532 is a rodless cylinder with a model number of RMS16X400LB, and the rodless cylinder can be implemented by a person skilled in the art by using the existing technology, which is not a focus of the present application, and is not described in detail herein.

Referring to fig. 1, 14 and 16, the reverse carrier loading mechanism 70 includes: a second material pushing track 71 arranged at the front side of the finished product conveying mechanism 30, and a second transfer mechanism 73 arranged at the right side of the second material pushing track 71.

Referring to fig. 14, the second pushing track 71 includes a pair of fourth conveying assemblies 711 arranged side by side on the rack 10.

The fourth conveying assembly 711 includes a fourth conveying plate 7111, a fourth cushion 7112 disposed at the bottom of the third conveying plate 5112, a fourth stepping motor 7113 disposed on the fourth cushion 7112, a sixth driving wheel 7114 connected to an output shaft of the fourth stepping motor 7113, a sixth conveying belt for conveying the reverse carriers, four sixth driven wheels 7115, and a fourth belt protruding strip 7116 guiding the sixth conveying belt to rotate in a closed loop, wherein the sixth driving wheel 7114 and the plurality of sixth driven wheels 7115 are used for supporting and conveying the sixth conveying belt.

The fourth step motor 7113 drives the sixth driving wheel 7114 to rotate, so as to drive the sixth conveyor belt to rotate in a closed loop along the fourth belt protruding strip 7116.

In this embodiment, the fourth belt protrusions 7116 of the two fourth conveying assemblies 711 are disposed opposite to each other, and cooperatively support the carrier on the reverse side. The fourth stepping motor 7113 is a stepping motor with a model number CT2H420068-011, which is manufactured by fast corporation, and can be implemented by a person skilled in the art by using the existing technology, which is not the focus of the present application and will not be described in detail herein.

Referring to fig. 16, the second transfer mechanism 73 includes a third mounting seat 731 disposed on the frame 10, a fourth power source 732 disposed on the third mounting seat 731, a fifth connecting plate 733 connected to a power output side of the fourth power source 732 in a horizontal direction, a fifth cylinder 734 disposed on the fifth connecting plate 733, a second connecting block 735 connected to an output shaft of the fifth cylinder 734 in a vertical direction, a third connecting frame 736 disposed at a bottom of the second connecting block 735, and a plurality of third suction cups 737 disposed on the third connecting frame 736.

In this embodiment, the number of the third mounting seats 731 is two, the two third mounting seats 731 are respectively disposed on the front side and the rear side of the bottom of the fourth power source 732, and the fourth power source 732 is a rodless cylinder with a model number of RMS16X400LB, which can be implemented by a person skilled in the art using the existing technology, and is not a focus of the present application, and will not be described in detail herein.

Referring to fig. 1, the apparatus 100 for automatically assembling flexible printed circuit boards further includes a frame assembly 101 for front and back carriers, which is used for feeding the back carriers and recycling the front carriers.

Wherein, a positive and negative side carrier material frame subassembly 101 for automatic assembly line of flexible circuit board includes:

the lifting, recovering and feeding mechanism 60 is used for realizing the stacking of the back carriers and the stacking of the front carriers, and the lifting, recovering and feeding mechanism 60 is arranged between the front carrier transferring mechanism 50 and the back carrier feeding mechanism 70; and

and the pushing assembly is used for pushing the front carrier into the lifting recovery feeding mechanism to recover and pushing the back carrier out of the lifting recovery feeding mechanism to feed.

Referring to fig. 13, the lifting, recovering and feeding mechanism 60 includes a first mounting plate 61, a second mounting plate 62 disposed above the first mounting plate 61, a ball screw 63 connected between the first mounting plate 61 and the second mounting plate 62, a guide post 64 connected between the first mounting plate 61 and the second mounting plate 62, a third power source 65 disposed on the first mounting plate 61, a fifth driving pulley 66 connected to an output shaft of the third power source 65, a fifth driving wheel 67 provided at a lower end of the ball screw 63, a fifth belt conveyor (not shown) connected between the fifth driving pulley 66 and the fifth driving wheel 67, a ball nut 68 which is matched and connected with the ball screw 63, a lifting platform 69 which is arranged and connected with the ball nut 68, and a material box 611 which is arranged on the lifting platform 69, is communicated with the left and the right and is used for stacking the reverse carriers. The lifting platform 69 is slidably connected to the guide post 64.

In this embodiment, under the driving of the third power source 65, the fifth driving wheel 66 rotates, and under the driving action of the fifth belt and the fifth driving wheel 67, the ball screw 63 rotates to drive the bin 611 on the lifting platform 69 to move up and down. The third power source 65 is a brake motor, which is a fully-closed, self-cooling, squirrel-cage asynchronous motor with an additional dc electromagnet brake, and the structure thereof is well known to those skilled in the art and will not be described herein. And will not be described in detail herein.

The pushing assembly comprises a first pushing mechanism 52 and a second pushing mechanism 72, the first pushing mechanism is used for pushing the front carriers into the lifting recovery feeding mechanism 60 to be recovered, and the second pushing mechanism 72 is used for pushing the back carriers out of the lifting recovery feeding mechanism 60 to be fed.

Referring to fig. 11, the first pushing mechanism 52 includes a first power source 521 disposed outside the third conveying plate 5112 at the rear side, a first connecting plate 522 connected to a power output side of the first power source 521, and a pushing plate 523 connected to the first connecting plate 522 for pushing the front vehicle to the right.

In the present embodiment, the first power source 521 is a rodless cylinder with model number RMT16X350S, which can be realized by a person skilled in the art using the existing technology, and is not the focus of the present application, and will not be described in detail herein. The first connection plate 522 includes a first connection portion 5221 connected to a slider of the rodless cylinder, and a second connection portion 5222 screwed and fixed to the first connection portion 5221 and perpendicular to each other, and the second connection portion 5222 is screwed and fixed to the push plate 523 and perpendicular to each other.

Referring to fig. 15, the second pushing mechanism 72 includes a bottom plate 721 disposed on the left side of the lifting/lowering/recovering/supplying mechanism 60, a second cylinder 722 disposed on the right end of the bottom plate 721, a third connecting plate 723 connected to an output shaft of the second cylinder 722 in the vertical direction, a third cylinder 724 disposed on the left end of the bottom plate 721, a fourth connecting plate 725 connected to an output shaft of the third cylinder 724 in the vertical direction, and a fourth cylinder 726 mounted between the third connecting plate 723 and the fourth connecting plate 725, wherein an output shaft of the fourth cylinder 726 is disposed toward the lifting/recovering/supplying mechanism 60.

The second cylinder 722 and the third cylinder 724 are arranged to adjust the height of the fourth cylinder 726 for pushing the reverse carrier.

In the present embodiment, the second cylinder 722 and the third cylinder 724 are sliding table cylinders manufactured by the company of alder, model number HLH10X30S, which can be implemented by those skilled in the art by using the existing technology, and are not the focus of the present application, and will not be described in detail here. The fourth cylinder 726 is a pneumatic cylinder manufactured by sikken corporation, model No. MI20x350S, which can be implemented by a person skilled in the art using the existing technology, and is not the focus of the present application and will not be described in detail herein.

In this embodiment, the exemplary steps of retrieving the front carrier and feeding the back carrier are:

firstly, the output shaft of the fourth cylinder 726 of the second pushing mechanism 72 pushes the reverse carriers stacked on the stacked layers in the bin 611 onto the sixth conveying belt of the second pushing track 71;

then, the pushing plate 523 of the first pushing mechanism 52 pushes the front carrier on the first pushing rail 51 to the stack layer;

finally, the work bin 611 is driven by the third power source 65 to ascend integrally relative to the first material pushing track 51, so that the reverse carrier of the next layer is aligned with the output shaft of the fourth cylinder 726 of the second material pushing mechanism 72; waiting for the next time the output shaft of the fourth cylinder 726 pushes material, and repeating the above process.

In summary, the present invention also provides a novel front and back carrier frame assembly for an automatic assembly line of a flexible printed circuit board. In the front and back carrier material frame assembly 101 for the flexible circuit board automatic assembly line of the present invention, the second material pushing mechanism 72 pushes out the back carrier in the lifting recovery feeding mechanism 60, and then the first material pushing mechanism 52 pushes the front carrier into the lifting recovery feeding mechanism 60, so that the lifting recovery feeding mechanism 60 can realize the feeding of the back carrier and the recovery of the front carrier. Therefore, the same stacking layer of the same material box is reused in a 'one-in one-out' mode, and the cost and the space of one material frame are saved.

In other words, one device is required for feeding the reverse carrier and another device is required for recovering the front carrier, compared with the conventional method. The front and back carrier material frame assembly 101 for the automatic assembly line of the flexible circuit board of the embodiment realizes the feeding of the back carrier and the recovery of the front carrier, which is simpler and more convenient and saves the cost.

According to another aspect of the invention, a method for removing and pasting the flexible circuit board in the automatic assembly line is also provided.

Referring to fig. 19, the method for detaching, turning and pasting the flexible printed circuit board in the automatic assembly line of the embodiment includes the following steps:

s1: taking the flexible circuit board with the front side facing upwards from the front carrier through a material taking mechanism 80;

s2: the flexible circuit board with the right side facing upwards is turned into a flexible circuit board with the reverse side facing upwards through a turning mechanism 40, wherein the right side and the reverse side are two right and left surfaces of the flexible circuit board respectively;

s3: the flexible circuit board with the reverse side facing up is positioned on the reverse side carrier by the material taking mechanism 80.

Referring to fig. 20, in the present embodiment, the step of S1 further includes the following steps:

s01: the front carrier is conveyed to the incoming material conveying mechanism 20;

s02: the second pushing mechanism 72 pushes the reverse carrier in the bin 611 of the lifting, recovering and feeding mechanism 60 to the second pushing rail 71;

s03: the second transfer mechanism 73 transfers the reverse carrier to the finished product conveying mechanism 30;

s04: a first transfer mechanism 53 in the front carrier transfer mechanism 50 adsorbs the front cover plate and transfers the front cover plate to the upper side of the first pusher rail 51;

referring to fig. 21, in the present embodiment, the step S2 includes the following sub-steps:

s21: the material taking mechanism 80 adsorbs the flexible circuit board with the right side up on the front carrier and places the flexible circuit board in the containing groove 428 of the front material discharging plate 414 of the turn-over mechanism 40;

s22: the material taking mechanism 80 adsorbs the back cover plate and moves to the temporary storage seat 90; an upper camera 202 in the material taking mechanism 80 positions the reverse carrier body;

s23: a first transfer mechanism 53 in the front carrier transfer mechanism 50 moves to the position above the feeding mechanism 20 and adsorbs the front carrier body, so that the front carrier moves to the first material pushing rail 51;

referring to fig. 22, in the present embodiment, the step S3 includes the following sub-steps:

s31: the material taking mechanism 80 adsorbs the flexible circuit board with the reverse side facing upwards and moves to the position above the lower phase machine 201, the lower phase machine 201 positions the flexible circuit board with the reverse side facing upwards, and the material taking mechanism 80 attaches the flexible circuit board with the reverse side facing upwards to the reverse side carrier body;

s32: the material taking mechanism 80 adsorbs the reverse side cover plate on the temporary storage seat 90 and moves to the position above the lower phase machine 201, the lower phase machine 201 positions the reverse side cover plate, the material taking mechanism 80 attaches the reverse side cover plate to the reversed flexible circuit board, and the reversed flexible circuit board is fixed on the reverse side carrier body through the magnetic attraction between the reverse side cover plate and the reverse side carrier body;

s33: the first pushing mechanism 52 pushes the front carrier to the lifting, recovering and feeding mechanism 60;

s34: the first stop 382 in the stop assembly 38 of the product conveyor 30 is raised and the second conveyor of the product conveyor 30 moves the flipped flexible circuit board to the next station for printing.

The beneficial effects of implementing the embodiment at least comprise:

the flexible circuit board assembling and disassembling device is high in automation degree, the flexible circuit board is disassembled from the front carrier, the flexible circuit board is turned over, and the flexible circuit board is attached to the back carrier, so that the risk of product quality reduction caused by manual contact of products is avoided. In addition, the flexible circuit board with the front face facing upwards is turned into a flexible circuit board with the reverse face facing upwards through a turning mechanism; the flexible circuit board with the front side facing upwards is taken from the front side carrier through the material taking mechanism, and the flexible circuit board with the back side facing upwards is positioned and placed on the back side carrier through the material taking mechanism.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. An automatic turn-over mechanism for an automatic assembly line for flexible circuit boards, comprising:

the front discharging plate is used for bearing the flexible circuit board with the front facing upwards before turning over;

the reverse side discharging plate is used for clamping the flexible circuit board in a matching manner with the front side discharging plate in the turnover process of the flexible circuit board, and the reverse side discharging plate is also used for bearing the flexible circuit board with the reversed reverse side upward;

the first driving assembly is used for driving the front discharging plate to turn over;

and the second driving assembly is used for driving the reverse feeding plate to turn over.

2. The automatic turn-over mechanism for the automatic assembly line of flexible circuit boards as claimed in claim 1, wherein the first driving assembly includes a first connecting seat and a second connecting seat arranged side by side in a horizontal direction, a first rotating shaft rotatably connected between the first connecting seat and the second connecting seat, a third driven wheel fixedly connected with a rear end of the first rotating shaft, a third step-in motor, a third driving wheel connected with an output shaft of the third step-in motor, and a fourth conveying belt connected between the third driven wheel and the third driving wheel, the front discharging plate being fixedly connected with the first rotating shaft.

3. The automatic turn-over mechanism for an automatic assembly line of flexible circuit boards as claimed in claim 2, wherein the top surface of the front side discharge plate is provided with a receiving groove for receiving the flexible circuit board.

4. The automatic turn-over mechanism for the automatic assembly line of the flexible printed circuit board as claimed in claim 2, wherein the third driving wheel is provided with a baffle, two sensing assemblies are symmetrically arranged on the left and right sides of the third driving wheel, the sensing assemblies comprise a first fixed block and a slot sensor fixedly arranged on the first fixed block and used for detecting the position of the baffle, and the two slot sensors on the two sensing assemblies are oppositely arranged.

5. The automatic turn-over mechanism for the automatic assembly line of the flexible circuit board as claimed in claim 1, wherein the second driving assembly includes a third connecting seat and a fourth connecting seat which are arranged side by side in a horizontal direction, a second rotating shaft rotatably connected between the third connecting seat and the fourth connecting seat, a fourth driven wheel fixedly connected with a front end of the second rotating shaft, a rotating cylinder, a fourth driving wheel connected with an output shaft of the rotating cylinder, and a fourth conveying belt connected between the fourth driven wheel and the fourth driving wheel, the reverse side discharging plate being fixedly connected with the second rotating shaft.

6. The automatic turn-over mechanism for the automatic assembly line of the flexible circuit board according to claim 1, wherein the automatic turn-over mechanism for the automatic assembly line of the flexible circuit board further comprises a first mounting seat, a plurality of first hydraulic buffers are respectively arranged on the left side of the first mounting seat, and the crash cap of each first hydraulic buffer is vertically upward and arranged towards the bottom surface of the front discharging plate;

the left side of the first mounting seat is provided with a plurality of second hydraulic buffers respectively, and an anti-collision cap of each second hydraulic buffer is vertically arranged upwards and faces the bottom surface of the reverse material discharging plate.

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