CN106793747B

CN106793747B - Automatic FPC laminating machine and plate laminating method

Info

Publication number: CN106793747B
Application number: CN201710014786.6A
Authority: CN
Inventors: 高荣
Original assignee: Changsha Saiwenqi Intelligent Equipment Co ltd
Current assignee: Changsha Saiwenqi Intelligent Equipment Co ltd
Priority date: 2017-01-10
Filing date: 2017-01-10
Publication date: 2022-12-23
Anticipated expiration: 2037-01-10
Also published as: CN106793747A

Abstract

An automatic FPC laminating machine and a laminating method comprise a rack, an FPC board bin, a cover board bin, a material conveying device, a material taking device, a position capturing device, a sensing mechanism and a control device, wherein the material conveying device comprises at least one pair of parallel conveyor belt groups which are horizontally arranged on a rack platform and used for conveying a carrier plate together and a width adjusting mechanism used for adjusting the width between the parallel conveyor belt groups, the FPC board bin and the cover board bin are respectively arranged on two sides of the material conveying device, the rear section of the material conveying device is a laminating position, the material taking device comprises a material sucking disc arranged at the tail end of a manipulator, a plurality of vacuum suction nozzles are magnetically adsorbed on the material sucking disc, the position capturing device comprises an upper camera arranged at the tail end of the manipulator, a lower camera arranged on the rack platform, a first backlight source and a second backlight source, the laminating machine can automatically and efficiently complete the laminating operation of FPC boards, is suitable for FPC boards and carrier plates with different specifications, laminating is accurate, laminating efficiency is high, residual adhesive materials cannot be generated, and the application range is wide.

Description

Automatic FPC laminating machine and plate laminating method

Technical Field

The invention relates to the technical field of automatic equipment, in particular to an automatic FPC laminating machine and a plate laminating method.

Background

FPC board is Flexible Circuit board (Flexible Printed Circuit), because softer handling of being not convenient for, generally need paste the FPC board earlier on comparatively stiff carrier plate, then carry out subsequent processing again, and the manual work is pasted the FPC board on the carrier plate surface to the traditional mode generally adoption, and this kind of mode is in actual course of working, and work efficiency is low, and manufacturing cost is higher.

The prior art improves the pasting mode, develops some automatic pasting operation equipment, such as Chinese patent application CN204836815U, and discloses an automatic pasting machine for carrying out automatic pasting operation on FPC boards, and the defects are that: (1) the top camera and the bottom camera are disclosed, but the top camera needs to be specially provided with a cross beam, a motor and a width adjusting lead screw for installation and position adjustment, but the top camera can only move back and forth on the width adjusting lead screw, the view finding range is small and inconvenient to adjust, the bottom camera is arranged between an upper storage bin and a mounting position, the carrier plate cannot be photographed and positioned, and the FPC plate cannot be pasted at a specified position on the carrier plate only by photographing and positioning the FPC plate twice continuously; (2) the carrier plate is conveyed by a belt conveyor line, the FPC plate is grabbed by a four-axis manipulator, and due to the fact that the specification and the size of the FPC plate are different, the specification and the size of the carrier plate are different, the carrier plate can not be well suitable for FPC plates and carrier plates with various specifications, and the universality is poor; (3) the utility model discloses a through the direct dress of pasting of FPC board on the support plate, there is not suction between FPC board and the support plate, perhaps bonds through setting up the gluing agent between FPC board and support plate, has the FPC board later stage like this and is difficult to peel off, gluing agent remains the scheduling problem, perhaps fixes the FPC board through setting up unique structure on the support plate, can increase design processing cost like this.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides an automatic FPC laminating machine and a plate laminating method.

An automatic FPC laminating machine comprises a frame, an FPC board bin, a cover board bin, a material conveying device, a material taking device, a position capturing device, a sensing mechanism and a control device, wherein a frame platform is horizontally arranged on the frame, the material conveying device comprises at least one pair of parallel conveyor belt groups and a width adjusting mechanism, the pair of parallel conveyor belt groups are horizontally arranged on the frame platform and are used for conveying a carrier board together, the width adjusting mechanism is used for adjusting the width between the parallel conveyor belt groups, each pair of conveyor belt groups comprises a fixed conveyor belt group and a movable conveyor belt group, the width adjusting mechanism comprises a width adjusting lead screw which is vertically connected with the movable conveyor belt groups in a transmission manner, a width adjusting motor for driving the width adjusting lead screw to rotate and a width adjusting guide rail for bearing the movable conveyor belt groups, the FPC board bin and the cover board bin are respectively arranged at two sides of the material conveying device, the rear section of the material conveying device is a mounting position, the material taking device comprises a four-axis mechanical arm erected above the front section of the material conveying device, a lifting rod arranged at the tail end of the mechanical arm and a material sucking disc arranged on the lifting rod, wherein the material sucking disc comprises a sucker and a plurality of vacuum suction nozzles which are magnetically adsorbed on the sucker and used for adsorbing materials, the position capturing device comprises an upper camera arranged at the tail end of the mechanical arm and a lower camera arranged on a frame platform, and a first backlight source and a second backlight source which are respectively arranged above the lower camera and below a pasting position, the sensing mechanism comprises a FPC board bin, a cover board bin and a plurality of sensors which are arranged on the FPC board bin and used for detecting the position of the materials, the control device comprises a display device, a control button and a processor, the control device is connected with the FPC board bin, the cover board bin, the material conveying device, the material taking device, the position capturing device and the sensing mechanism in an electric connection mode.

Preferably, the FPC board feed bin and the cover plate feed bin are the same in structure, include: the positioning mechanism comprises a positioning plate, a positioning groove and a positioning rod which are positioned on the lifting plate, and the positioning rod is connected with the rack platform in a magnetic suction way through a magnetic suction base arranged at the bottom of the positioning rod; the lifting mechanism comprises a lifting motor, a horizontally arranged synchronous belt transmission mechanism and a vertically arranged lifting screw rod; a bearing plate is arranged below the rack platform, and the lifting motor and the synchronous belt transmission mechanism are arranged below the bearing plate; the bearing plate is provided with a lifting screw nut pair, the lifting screw nut pair comprises a ball bearing and a lifting screw nut, the upper end of the lifting screw is fixed on the lifting plate, and the lower end of the lifting screw penetrates through the lifting screw nut; the lifting motor is in transmission connection with a lifting screw nut through a synchronous belt transmission mechanism and drives the lifting screw to rotate; the lifting screw nut is matched with the lifting screw in a threaded manner to lift, so that the lifting plate can lift relative to the rack platform.

Preferably, the feeding device includes two pairs of continuous settings the conveyer group, every pair of conveyer group sets up side by side, sets up in succession and links board fixed connection through a track with two conveyer groups of one side same direction, and every conveyer group includes a conveyer, is used for supporting conveyer's conveying action wheel and four conveying from the driving wheel, locate conveyer below belt support strip, be used for driving conveying action wheel's conveyer motor and be used for supporting the track backing plate of conveyer group, fixed conveyer group pass through the track backing plate with frame platform fixed connection, activity conveyer group pass through the track backing plate with adjust wide guide rail swing joint.

Furthermore, a compressing cylinder and two slide rail seats are further installed on the outer side face of the track connecting plate, a bending pressing plate used for compressing the support plate is fixedly connected to a push rod of the compressing cylinder, two sliding blocks corresponding to the slide rail seats are arranged on the pressing plate, and the pressing plate is movably connected with the track connecting plate through matching of the sliding blocks and the slide rail seats.

Furthermore, a positioning cylinder is arranged at the tail end of the material conveying device, and a baffle plate used for blocking and positioning the support plate is fixedly connected to a push rod of the positioning cylinder.

Preferably, the material sucking disc comprises a sucking disc and at least one group of vacuum components arranged on the sucking disc, each group of vacuum components comprises a compressed air source, a vacuum electromagnetic valve, a vacuum generator, a vacuum branch block and a plurality of vacuum suction nozzles which are sequentially connected through an air pipe, and each vacuum suction nozzle comprises a magnetic base, a magnetic block, a connecting rod, a suction nozzle body and a rubber suction nozzle; the magnetic suction nozzle is characterized in that a groove is formed in the top of the magnetic seat, the magnetic block is located in the groove, the bottom of the magnetic seat and the top of the suction nozzle body are movably connected through a connecting rod, at least one end of the connecting rod can axially reciprocate in the magnetic seat or the suction nozzle body and axially rotate, a compression spring with two ends respectively abutted to the magnetic seat and the suction nozzle body is sleeved outside the connecting rod, a bulge is formed in the bottom of the suction nozzle body, a connecting air nozzle used for connecting an external air pipe is arranged on one side face of the suction nozzle body, a communicated vacuum air suction channel is formed between the connecting air nozzle and the bulge, the rubber suction nozzle is sleeved on the bulge, and the adsorption face of the rubber suction nozzle is communicated with the vacuum air suction channel.

Preferably, the sensing mechanism includes a first sensor arranged on the positioning plate and used for detecting whether the materials in the silo reach a specified height range, a second sensor arranged on the lifting plate and used for detecting whether the silo is empty, a third sensor arranged below the lifting plate and used for detecting the position of the lifting plate, and a fourth sensor arranged at the tail end of each pair of the conveyor belt groups and used for detecting whether the materials on the conveyor belt groups reach.

Further, still be equipped with the aircraft bonnet outside the frame, be equipped with respectively on the left and right shrouding of aircraft bonnet with feed inlet and discharge gate that feeding device's business turn over end corresponds, preceding, back shrouding upper portion of aircraft bonnet are equipped with respectively with aircraft bonnet roof articulated qianmen and back door, be equipped with the transparent plate on qianmen and the back door respectively, preceding, the back shrouding lower part of aircraft bonnet is equipped with detachable front shroud and back shroud respectively, controlling means's quick-witted case install in on the mounting bracket of frame platform lower part, install the altitude mixture control base under four supporting legs of frame respectively.

A plate pasting method adopting the automatic FPC pasting machine comprises the following steps:

the FPC boards are stacked in an FPC board storage bin and lifted for positioning, an isolation paper covers each FPC board, the cover plate is stacked in a cover plate storage bin and lifted for positioning, and the carrier plate is conveyed to a mounting position through a conveying device and then stopped;

the taking device moves to the upper part of the FPC plate material bin to adsorb an isolation paper, then the isolation paper is placed on the rack platform, then the isolation paper moves to the upper part of the FPC plate material bin to adsorb an FPC board, the FPC board is moved to the upper part of the lower camera, under the irradiation of the first backlight source, the lower camera captures a calibration image on the FPC board and transmits the calibration image to the processor, the taking device moves the FPC board to the next position, the lower camera captures another calibration image on the FPC board and transmits the calibration image to the processor, and the processor calculates the coordinates of the two calibration images on the FPC board after digital processing;

the taking device adsorbs the FPC board to move above the mounting position, under the irradiation of a second backlight source, the upper camera captures two calibration images on the carrier board respectively and transmits the two calibration images to the processor, coordinates of the two calibration images on the carrier board are calculated after digital processing, the processor calculates a running path of the taking device according to the difference between the coordinates of the two calibration images on the FPC board and the coordinates of the two calibration images on the carrier board, so that the coordinates of the two calibration images on the FPC board are the same as the coordinates of the two calibration images on the carrier board, and the taking device executes the running path so as to accurately mount the FPC board at a specified position on the carrier board;

the method comprises the steps that a material taking device moves to a position above a cover plate bin to adsorb a cover plate, the cover plate moves to a position above a lower camera, the lower camera captures two calibration images on the cover plate and transmits the two calibration images to a processor under the irradiation of a first backlight light source, the processor calculates coordinates of the two calibration images on the cover plate after digital processing, the material taking device adsorbs the cover plate to move to a position above a mounting position, the processor calculates a running path of the material taking device according to the difference between the coordinates of the two calibration images on the cover plate and the coordinates of the two calibration images on a carrier plate so that the coordinates of the two calibration images on the cover plate are the same as the coordinates of the two calibration images on the carrier plate, the material taking device executes the running path to press the cover plate on the FPC plate and align the cover plate with a specified position on the carrier plate, wherein the cover plate and the carrier plate can be magnetically attracted, and the FPC plate clamped in the cover plate is fixed on the carrier plate through magnetic attraction between the cover plate and the carrier plate.

Compared with the prior art, the invention has the beneficial effects that: (1) the upper camera and the lower camera are disclosed, wherein the upper camera is arranged at the tail end of a mechanic and can move along with the movement of a manipulator, the view finding range is large, the mounting is convenient, the adjustment is flexible, the support plate can be photographed and positioned, and the FPC plate and the cover plate can be photographed and positioned respectively by combining the lower camera, so that the movement of the material taking device can be controlled through the calculation of a processor to accurately paste the FPC plate and the rice covered on the support plate in sequence; (2) the width of the material conveying device can be adjusted through the width adjusting mechanism, so that carrier plates with different specifications can be conveyed, the material taking device adsorbs an FPC (flexible printed circuit) board or a cover plate through a plurality of vacuum suction nozzles which are magnetically adsorbed on a material sucking disc at the tail end of a manipulator, the positions of the vacuum suction nozzles on the material sucking disc can be moved, and the material taking range of the material taking device can be adjusted, so that the material taking device is suitable for FPC boards and cover plates with different specifications; (3) the cover plate storage bin is arranged, the FPC board is attached to the support plate through the magnetic attraction between the cover plate and the support plate, the FPC board is firmly attached and not easy to slide and dislocate, the later-stage FPC board is separated from the support plate conveniently, and no pollution is left.

The conception, specific structure and effects of the present invention will be further described in conjunction with the accompanying drawings to fully understand the objects, features and effects of the present invention.

Drawings

FIG. 1 is a schematic view of an external structure of an automatic FPC laminating machine in an embodiment;

FIG. 2 is a schematic view of the internal structure of the automatic FPC bonding machine in the embodiment;

FIG. 3 is a schematic structural diagram of the bottom of a storage bin of the automatic FPC laminating machine in the embodiment;

FIG. 4 is a schematic structural diagram of the upper part of a storage bin of the automatic FPC laminating machine in the embodiment;

FIG. 5 is a schematic view of a feeding device of an automatic FPC laminating machine in an embodiment;

FIG. 6 is a schematic structural view of the platen mechanism of FIG. 5;

fig. 7 is a schematic structural diagram of a material taking mechanism of the automatic FPC laminating machine in the embodiment (an upper camera structure is omitted);

FIG. 8 is a schematic view of the structure of the suction tray of the automatic FPC laminating machine in the embodiment

FIG. 9 is a schematic view showing the structure of a vacuum nozzle of the automatic FPC attaching machine in the embodiment;

wherein: 1-frame, 11-frame platform, 12-hood, 121-front door, 122-rear door, 123-transparent plate, 21-FPC board bin, 211-lifting plate, 212-positioning plate, 213-positioning groove, 214-positioning rod, 215-lifting motor, 2161, 2162, 2163, 2164-guide rod, 217-lifting screw, 218-lifting screw nut pair, 22-cover board bin, 3-material conveying device, 31, 32, 33, 34-conveyor belt group, 312-conveyor driving wheel, 313, 314, 315, 316-conveyor driven wheel, 317-belt supporting strip, 318-conveyor motor, 319-track backing plate, 35-width adjusting mechanism, 351-width adjusting screw, 352-width adjusting motor, 371-width adjusting guide rail, 36-track connecting plate, 371-compacting cylinder, 372, 373-slide rail seat, 374-pressing plate, 381-positioning cylinder, 382-baffle, 4-material taking device, 41-manipulator, 42-lifting rod, 43-suction disc, 353-magnetic block, 353-suction cup, 373-slide rail seat, 374-pressing plate, 381-positioning cylinder, 382-baffle, 4-material taking device, 41-manipulator, 42-lifting rod, 4343-suction nozzle, 4323-vacuum suction cup, 4323-vacuum suction nozzle, 4323-vacuum pressure sensor, 4354-vacuum pressure sensor, 4353-vacuum pressure sensor, 4323-vacuum pressure sensor, 4353-vacuum pressure sensor, 4353, 71-display means, 72-control buttons.

Detailed Description

In order to facilitate an understanding of the invention, reference will now be made in detail to the present embodiments of the invention, examples of which are illustrated in the accompanying drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "fixed", "connected", "front", "back", "left", "right", "top", "bottom", and the like may be used herein for descriptive purposes only; in the drawings of the specification, electric wires, air pipes, belts and the like are omitted, and the details are determined according to the actual conditions in the embodiments.

In the embodiment of the present disclosure, a four-axis robot of mitsubishi is used as the "manipulator", a CCD high-precision camera is used as the "upper camera" and the "lower camera", but technical and scientific terms used in the present disclosure are only for the purpose of describing the specific embodiment, and are not used to limit the present disclosure.

As shown in fig. 1-9, an automatic FPC laminating machine includes a frame 1, an FPC board storage bin 21, a cover board storage bin 22, a feeding device 3, a material-taking device 4, a position-capturing device, a sensing mechanism and a control device, wherein the frame 1 is provided with a horizontally arranged frame platform 11, the feeding device 3 includes at least a pair of side-by-side arranged conveyor belt groups (31, 32) horizontally arranged on the frame platform 11 for jointly conveying a carrier board and a width-adjusting mechanism 35 for adjusting the width between the side-by-side conveyor belt groups (31, 32), the pair of conveyor belt groups (31, 32) includes a fixed conveyor belt group 31 and a movable conveyor belt group 32, the width-adjusting mechanism 35 includes a width-adjusting screw 351 vertically connected with the movable conveyor belt group 32, a width-adjusting motor 352 for driving the width-adjusting screw 351 to rotate and a width-adjusting guide rail 353 for bearing the movable conveyor belt group 32, the FPC board storage bin 21 and the cover board 22 are respectively arranged at two sides of the feeding device 3, the rear section of the feeding device 3 is a mounting position, the material taking device 4 comprises a four-shaft manipulator 41 arranged above the front section of the feeding device 3, a lifting rod 42 arranged at the tail end of the manipulator 41 and a material sucking disc 43 arranged on the lifting rod 42, the material sucking disc 43 comprises a sucking disc 431 and a plurality of vacuum sucking nozzles 432 which are magnetically adsorbed on the sucking disc 431 and used for sucking materials, the position capturing device comprises an upper camera 51 arranged at the tail end of the manipulator 41, a lower camera 52 arranged on the rack platform 11, a first backlight source 53 and a second backlight source 54 which are respectively arranged above the lower camera 52 and below the mounting position, the sensing mechanism comprises a plurality of sensors which are arranged on the FPC board bin 21, the cover board bin 22 and the material conveying device 3 and are used for detecting the positions of materials, and the control device comprises a display device 71, a control device, control button 72 and treater, controlling means and FPC board feed bin 21, apron feed bin 22, feeding device 3, extracting device 4, position trapping apparatus, sensing mechanism electric connection.

In the working process of the invention, the laminated FPC boards are stacked in an FPC board storage bin 21, a piece of isolation paper covers the upper part of each FPC board, the laminated cover board is stacked in a cover board storage bin 22, the carrier board is stacked on two opposite conveyor belt groups 31, the conveyor belt groups 31 carry the carrier board to move towards a mounting position, when the carrier board moves right above the mounting position, a sensor arranged on a material conveying device 3 senses the carrier board and then signals a control device to control the conveyor belt groups 31 to stop; meanwhile, after the material taking device 4 moves to the position above the FPC board storage bin 21 to adsorb an isolation paper, the isolation paper is placed on the rack platform 11, then the isolation paper moves to the position above the FPC board storage bin 21 to adsorb an FPC board, the FPC board moves to the position above the lower camera 52, under the irradiation of a first backlight source, the lower camera 52 captures a calibration image on the FPC board and transmits the calibration image to the processor, the material taking device 4 moves the FPC board to the next position, the lower camera 52 captures another calibration image on the FPC board and transmits the calibration image to the processor, and the processor calculates the coordinates of two calibration images on the FPC board after digital processing; then the material taking device 4 adsorbs the FPC board to move to the position above the mounting position, under the irradiation of a second backlight source, the upper camera 51 captures two calibration images on the carrier board respectively and transmits the two calibration images to the processor, coordinates of the two calibration images on the carrier board are calculated after digital processing, the processor calculates a running path of the material taking device 4 according to the difference between the coordinates of the two calibration images on the FPC board and the coordinates of the two calibration images on the carrier board, so that the coordinates of the two calibration images on the FPC board are the same as the coordinates of the two calibration images on the carrier board, and the material taking device 4 executes the running path so as to accurately paste the FPC board at a specified position on the carrier board; then the material taking device 4 moves to the position above the cover plate bin 22 to adsorb a cover plate, the cover plate is moved to the position above the lower camera 52, under the irradiation of a first backlight source, the lower camera 52 captures two calibration images on the cover plate respectively and transmits the two calibration images to the processor, the processor calculates the coordinates of the two calibration images on the cover plate after digital processing, the material taking device 4 adsorbs the cover plate and moves to the position above the mounting position, the processor calculates the running path of the material taking device 4 according to the difference between the coordinates of the two calibration images on the cover plate and the coordinates of the two calibration images on the carrier plate so that the coordinates of the two calibration images on the cover plate are the same as the coordinates of the two calibration images on the carrier plate, the material taking device 4 executes the running path so as to press the cover plate on the FPC plate and align with the designated position on the carrier plate, the FPC plate clamped in the material taking device is fixed on the carrier plate through the magnetic attraction between the cover plate and the carrier plate, at the moment, the control device controls the conveyer belt set 31 to continue to carry the carrier plate with the FPC plate and the cover plate to withdraw from the material conveying device 3, and complete the process of the FPC plate; and then, continuously conveying a subsequent carrier plate to the position above the mounting position, and repeating the actions to complete the process of mounting another FPC plate.

According to the structure design, the automatic laminating machine can automatically and efficiently complete the laminating operation of the FPC board, is suitable for FPC boards and carrier boards with different specifications, is accurate in laminating, high in laminating efficiency, free of residual adhesive substances and wide in application range.

As a preferred embodiment, as shown in fig. 3 to 4, the FPC board storage magazine 21 and the cover board storage magazine 22 have the same structure, and include: the positioning mechanism comprises a positioning plate 212, a positioning groove 213 and a positioning rod 214 which are positioned on the lifting plate 211, and the positioning rod 214 is magnetically connected with the rack platform 11 through a magnetic base arranged at the bottom of the positioning rod 214; the lifting mechanism comprises a lifting motor 215, a horizontally arranged synchronous belt transmission mechanism and a vertically arranged lifting screw 217; a bearing plate is arranged below the rack platform 11, and the lifting motor 215 and the synchronous belt transmission mechanism are arranged below the bearing plate; a lifting screw nut pair 218 is arranged on the bearing plate, the lifting screw nut pair 218 comprises a ball bearing and a lifting screw nut, the upper end of a lifting screw 217 is fixed on the lifting plate 211, and the lower end of the lifting screw 217 penetrates through the lifting screw nut; the lifting motor 215 is in transmission connection with a lifting screw nut through a synchronous belt transmission mechanism to drive the lifting screw 217 to rotate; the elevating screw nut and the elevating screw 217 are in threaded fit to ascend and descend, so that the elevating plate 211 ascends and descends relative to the rack platform 11. The lifting screw 217 is arranged at the center of the lifting plate 211, and four guide rods (2161, 2162, 2163, 2164) parallel to the lifting screw 217 are symmetrically arranged at the periphery center of the lifting screw 217. The upper ends of the guide rods (2161, 2162, 2163, 2164) are connected with the lower part of the lifting plate 211, and the lower ends pass through the linear bearing fixed below the rack platform 11. Four lifting guide rods (2161, 2162, 2163, 2164) are used as guide rails through linear bearings, so that the lifting plate 211 moves up and down with good stability and reliability when the lifting plate 211 is jacked up or put down. The silo realizes the orderly storage of materials with different sizes by positioning a positioning groove 213 arranged on a silo lifting plate 211 and an adjustable positioning rod 214 which penetrates through the positioning groove 213 and is fixed on a rack platform 11 and then positioning the materials by combining positioning plates 212 which are vertically arranged at two edges of the lifting plate 211; simultaneously, through elevating system's setting, the material's of material rising feed in the realization feed bin cooperates the snatching of extracting device 4, makes extracting device 4 just can be accurate snatch the material at same horizontal position, no longer need cooperate the material height in the feed bin through the upper and lower distance that sets up extracting device 4, has simplified extracting device 4's working path, has reduced extracting device 4's working strength.

As a preferred embodiment, as shown in fig. 5, the feeding device 3 includes two pairs of conveyor belt groups (31, 32) and conveyor belt groups (33, 34) which are arranged in series, each pair of conveyor belt groups are arranged side by side, two conveyor belt groups on the same side are arranged in series in the same direction and fixedly connected through a track connecting plate 36, each conveyor belt group includes a conveyor belt, a conveyor driving wheel 312 and four conveyor driven wheels (313, 314, 315, 316) for supporting the conveyor belt, a belt supporting bar 317 arranged below the conveyor belt, a conveyor motor 318 for driving the conveyor driving wheel 312, and a track pad 319 for supporting the conveyor belt groups, the fixed conveyor belt groups (31, 33) are fixedly connected with the rack platform 11 through the corresponding track pads 319, the movable conveyor belt groups (32, 34) are movably connected with the corresponding width adjusting guide rail 353 through the corresponding track pad 319, the width adjusting guide rail 353 is 353 arranged below the width adjusting screw and positioned between the fixed conveyor belt groups (31, 33) and the movable conveyor belt groups (32, 34), and the width adjusting guide rail pad 353 is fixed on the width adjusting guide rail group 351, so that the movable conveyor belt groups (31, 353) are connected with the movable conveyor belt groups (32, 34), and the movable conveyor belt groups (32, 353) are stably connected with the whole movable conveyor belt groups (32, 353) so that the movable conveyor belt groups can bear the weight of the height adjusting guide rail groups, 34) and stably bear the weight of the movable conveyor belt groups, and the movable conveyor belt groups.

As a preferred embodiment, as shown in fig. 6, a pressing cylinder 371 and two

slide rail seats

372 and 373 are further installed on the outer side surface of the track connecting plate 36, a bent pressing plate 374 for pressing the carrier plate is fixedly connected to a push rod of the pressing cylinder 371, two sliding blocks corresponding to the slide rail seats are arranged on the pressing plate 374, and the pressing plate 374 is movably connected with the track connecting plate 36 through the matching of the sliding blocks and the slide rail seats.

In a preferred embodiment, as shown in fig. 5, a positioning cylinder 381 is provided at the end of the feeding device 3, and a baffle 382 for blocking the positioning carrier is fixedly connected to a push rod of the positioning cylinder 381.

As a preferred embodiment, as shown in fig. 7 to 9, the suction tray 43 includes a suction cup 431 and at least one set of vacuum components disposed on the suction cup 431, each set of vacuum components includes a compressed air source, a vacuum solenoid valve 433, a vacuum generator 434, a vacuum branch block 435 and a plurality of vacuum nozzles 432 connected in sequence by air pipes, and the vacuum nozzles 432 include a magnetic base 4321, a magnetic block 4322, a connecting rod 4323, a nozzle body 4324 and a rubber nozzle 4325; the top of the magnetic seat 4321 is provided with a groove, the magnetic block 4322 is located in the groove, the bottom of the magnetic seat 4321 is movably connected with the top of the suction nozzle body 4324 through a connecting rod 4323, at least one end of the connecting rod 4323 can axially reciprocate and axially rotate in the magnetic seat 4321 or the suction nozzle body 4324, the connecting rod 4323 is externally sleeved with a compression spring 4326, two ends of the compression spring are respectively abutted against the magnetic seat 4321 and the suction nozzle body 4324, the bottom of the suction nozzle body 4324 is provided with a convex part, one side surface of the suction nozzle body 4324 is provided with a connecting air nozzle 4327 for externally connecting an air pipe, a through vacuum air suction channel is arranged between the connecting air nozzle 4327 and the convex part, the rubber suction nozzle 4325 is sleeved on the convex part, an adsorption surface of the rubber suction nozzle 4325 is communicated with the vacuum air suction channel, the magnetic seat 4321 comprises an upper seat and a lower seat which are connected with each other, the upper seat is provided with a cavity, a limit hole is arranged on the lower seat, the head of the connecting rod 4323 penetrates through the limit hole and reaches the cavity, and is provided with an annular groove, the maximum width of the annular groove is greater than the diameter of the connecting rod 4323, and less than the minimum diameter of the limiting hole. The material sucking disc 43 is arranged on the manipulator 41 through the lifting rod 42, so that the workpiece can be grabbed by the material sucking disc 43 in a large range of the manipulator 41 along with the movement of the manipulator 41, the operation is convenient and fast, and the automation degree is high; the vacuum suction device is externally connected with a compressed air source, the vacuum generator 434 is controlled by the vacuum solenoid valve 433 to generate negative pressure, the structure is compact, the environment is protected, the vacuum suction nozzles 432 can be externally connected with the vacuum separation branch block 435, the number of the required vacuum suction nozzles 432 can be determined as required, the vacuum suction nozzles 432 can be freely adsorbed at any position of the sucking disc 431 through magnetic force, and the adsorption position can be freely adjusted according to adsorption workpieces of different specifications when the material sucking disc 43 operates; the vacuum suction nozzle 432 is provided with a magnetic seat 4321 internally provided with a magnetic block 4322, the magnetic seat 4321 can be matched with a magnetic suction disc 431 on an FPC laminating machine for use, and is adsorbed on the suction disc 431, and the position of the vacuum suction nozzle 432 on the suction disc 431 can be freely adjusted according to the actual specification requirement of an FPC board so as to correspond to the requirement that the optimal adsorption point of the FPC board in production is different; the vacuum suction channel is arranged on the nozzle body 4324 of the vacuum nozzle 432 and is separated from other parts, so that the arrangement of the magnetic seat 4321 or the magnetic block 4322 is not influenced, and the replacement is convenient if the vacuum suction channel is damaged. The rubber suction nozzle 4325 is made of a flexible material, so that the FPC is not damaged when the rubber suction nozzle is in contact with the FPC board; when the rubber suction nozzle 4325 contacts the FPC board, a buffering effect can be achieved, so that the rubber suction nozzle 4325 can better adsorb the FPC board after pressing the FPC board. The adsorption surface of the rubber suction nozzle 4325 is set to be conical or cylindrical, so that the rubber suction nozzle can be better attached to an FPC board. Meanwhile, in practical application, the vacuum suction nozzle 432 is externally connected with an air pipe, the air pipe is long in some times and is easy to distort, a torsion force is generated on the vacuum suction nozzle 432, the vacuum suction nozzle 432 is easy to move on the suction disc 431 in the using process, the position of the vacuum suction nozzle 432 sucking the FPC board is changed, and the working accuracy is influenced.

As a preferred embodiment, as shown in fig. 4 to 5, the sensing mechanism includes a first sensor 61 disposed on the positioning plate 212 for detecting whether the material in the bin reaches a designated height range, a second sensor 62 disposed on the lifting plate 211 for detecting whether the bin is empty, a third sensor 63 disposed below the lifting plate 211 for detecting the position of the lifting plate 211, and a fourth sensor 64 disposed at the end of each pair of the conveyor belt sets 31 for detecting whether the material in the conveyor belt sets 31 reaches. Through the setting of sensor, whether reach the assigned position to the material, whether empty storehouse of feed bin, the response monitoring of lifter plate 211 decline position realizes monitoring the operation conditions of material and feed bin in the course of working, has improved the automation of chip mounter's feed bin feed greatly.

As a preferred embodiment, as shown in fig. 1, a hood 12 is further provided outside the rack 1, a feed inlet and a discharge outlet corresponding to the inlet and outlet ends of the feeding device 3 are provided on the left and right sealing plates of the hood 12, a front door 121 and a rear door 122 hinged to the top plate of the hood 12 are provided on the upper portions of the front and rear sealing plates of the hood 12, transparent plates 123 are provided on the front door 121 and the rear door 122, respectively, the transparent plates 123 can be PVC plates, a detachable front cover plate and a detachable rear cover plate are provided on the lower portions of the front and rear sealing plates of the hood 12, the cabinet of the control device is mounted on a mounting rack on the lower portion of the rack platform 11, and height adjusting bases are mounted on the lower portions of the four supporting legs of the rack 1, respectively.

Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Claims

1. An automatic FPC laminating machine is characterized by comprising a frame, an FPC board bin, a cover board bin, a material conveying device, a material taking device, a position capturing device, a sensing mechanism and a control device, wherein a frame platform is horizontally arranged on the frame, the material conveying device comprises at least one pair of parallel conveyor belt groups and a width adjusting mechanism, the pair of conveyor belt groups is horizontally arranged on the frame platform and used for conveying a carrier plate together, the width adjusting mechanism is used for adjusting the width between the parallel conveyor belt groups, each pair of conveyor belt groups comprises a fixed conveyor belt group and a movable conveyor belt group, the width adjusting mechanism comprises a width adjusting lead screw, a width adjusting motor and a width adjusting guide rail, the width adjusting lead screw is vertically connected with the movable conveyor belt groups in a transmission mode, the width adjusting motor drives the width adjusting lead screw to rotate, the width adjusting guide rail bears the movable conveyor belt groups, the FPC board bin and the cover board bin are respectively arranged on two sides of the material conveying device, and the rear section of the material conveying device is a mounting position, the material taking device comprises a four-axis mechanical arm erected above the front section of the material conveying device, a lifting rod arranged at the tail end of the mechanical arm and a material sucking disc arranged on the lifting rod, wherein the material sucking disc comprises a sucking disc and a plurality of vacuum sucking nozzles which are magnetically adsorbed on the sucking disc and are used for adsorbing materials; FPC board feed bin with apron feed bin structure is the same, includes: the positioning mechanism comprises a positioning plate, a positioning groove and a positioning rod, the positioning groove and the positioning rod are positioned on the lifting plate, and the positioning rod is in magnetic attraction connection with the rack platform through a magnetic attraction base arranged at the bottom of the positioning rod; the lifting mechanism comprises a lifting motor, a horizontally arranged synchronous belt transmission mechanism and a vertically arranged lifting screw rod; a bearing plate is arranged below the rack platform, and the lifting motor and the synchronous belt transmission mechanism are arranged below the bearing plate; the bearing plate is provided with a lifting screw nut pair, the lifting screw nut pair comprises a ball bearing and a lifting screw nut, the upper end of the lifting screw is fixed on the lifting plate, and the lower end of the lifting screw penetrates through the lifting screw nut; the lifting motor is in transmission connection with a lifting screw nut through a synchronous belt transmission mechanism to drive the lifting screw to rotate; the lifting screw nut is matched with the lifting screw in a threaded manner to lift, so that the lifting plate is lifted relative to the rack platform; the material sucking disc comprises a sucking disc and at least one group of vacuum components arranged on the sucking disc, each group of vacuum components comprises a compressed air source, a vacuum electromagnetic valve, a vacuum generator, a vacuum branch block and a plurality of vacuum suction nozzles which are sequentially connected through an air pipe, and each vacuum suction nozzle comprises a magnetic base, a magnetic block, a connecting rod, a suction nozzle body and a rubber suction nozzle; the magnetic suction nozzle is characterized in that a groove is formed in the top of the magnetic seat, the magnetic block is located in the groove, the bottom of the magnetic seat and the top of the suction nozzle body are movably connected through a connecting rod, at least one end of the connecting rod can axially reciprocate in the magnetic seat or the suction nozzle body and axially rotate, a compression spring with two ends respectively abutted to the magnetic seat and the suction nozzle body is sleeved outside the connecting rod, a bulge is formed in the bottom of the suction nozzle body, a connecting air nozzle used for connecting an external air pipe is arranged on one side face of the suction nozzle body, a communicated vacuum air suction channel is formed between the connecting air nozzle and the bulge, the rubber suction nozzle is sleeved on the bulge, and the adsorption face of the rubber suction nozzle is communicated with the vacuum air suction channel.

2. The automatic FPC laminating machine of claim 1, wherein the feeding device includes two pairs of the conveyor belt groups arranged in series, each pair of conveyor belt groups are arranged side by side, two conveyor belt groups on the same side are arranged in series in the same direction and are fixedly connected through a rail connecting plate, each conveyor belt group includes a conveyor belt, a conveyor driving wheel and four conveyor driven wheels for supporting the conveyor belt, a belt supporting strip arranged below the conveyor belt, a conveyor motor for driving the conveyor driving wheel, and a rail backing plate for supporting the conveyor belt group, the fixed conveyor belt group is fixedly connected with the rack platform through the rail backing plate, and the movable conveyor belt group is movably connected with the width-adjusting guide rail through the rail backing plate.

3. The automatic FPC laminating machine of claim 2, wherein a pressing cylinder and two slide rail seats are further installed on an outer side surface of the rail connecting plate, a bending type pressing plate for pressing the carrier plate is fixedly connected to a push rod of the pressing cylinder, two sliding blocks corresponding to the slide rail seats are arranged on the pressing plate, and the pressing plate is movably connected with the rail connecting plate through the matching of the sliding blocks and the slide rail seats.

4. The automatic FPC laminating machine of claim 2, wherein a positioning cylinder is disposed at a tail end of the feeding device, and a baffle plate for blocking and positioning the carrier plate is fixedly connected to a push rod of the positioning cylinder.

5. The automatic FPC laminating machine of claim 1, wherein the sensing mechanism includes a first sensor disposed on the positioning plate for detecting whether the materials in the silo reach a designated height range, a second sensor disposed on the lifting plate for detecting whether the silo is empty, a third sensor disposed below the lifting plate for detecting the position of the lifting plate, and a fourth sensor disposed at the end of each pair of the conveyor belt groups for detecting whether the materials on the conveyor belt groups reach.

6. The automatic FPC laminating machine of claim 1, characterized in that a hood is further disposed outside the frame, a feed inlet and a discharge outlet corresponding to an inlet and an outlet of the feeding device are disposed on a left sealing plate and a right sealing plate of the hood, a front door and a rear door hinged to a hood top plate are disposed on a front sealing plate and a rear sealing plate of the hood, respectively, transparent plates are disposed on the front door and the rear door, a front cover plate and a rear cover plate are disposed on a lower portion of the front sealing plate and a lower portion of the rear sealing plate of the hood, respectively, the case of the control device is mounted on a mounting rack on a lower portion of the frame platform, and height adjusting bases are mounted under four supporting legs of the frame, respectively.

7. A method of pasting a board using the automatic FPC pasting machine according to any one of claims 1 to 6, comprising: the FPC boards are stacked in an FPC board storage bin and lifted for positioning, an isolation paper covers each FPC board, the cover plate is stacked in a cover plate storage bin and lifted for positioning, and the carrier plate is conveyed to a mounting position through a conveying device and then stopped; the taking device moves to the position above the FPC board material cabin to adsorb an isolating paper, then the isolating paper is placed on the rack platform and then moves to the position above the FPC board material cabin to adsorb an FPC board, the FPC board is moved to the position above the lower camera, under the irradiation of the first backlight source, the lower camera captures a calibration image on the FPC board and transmits the calibration image to the processor, the taking device moves the FPC board to the next position, the lower camera captures another calibration image on the FPC board and transmits the calibration image to the processor, and the processor calculates the coordinates of the two calibration images on the FPC board after digital processing; the taking device adsorbs the FPC board to move above the mounting position, under the irradiation of a second backlight source, the upper camera captures two calibration images on the carrier board respectively and transmits the two calibration images to the processor, coordinates of the two calibration images on the carrier board are calculated after digital processing, the processor calculates a running path of the taking device according to the difference between the coordinates of the two calibration images on the FPC board and the coordinates of the two calibration images on the carrier board, so that the coordinates of the two calibration images on the FPC board are the same as the coordinates of the two calibration images on the carrier board, and the taking device executes the running path so as to accurately mount the FPC board at a specified position on the carrier board; the method comprises the steps that a material taking device moves to a position above a cover plate bin to adsorb a cover plate, the cover plate moves to a position above a lower camera, the lower camera captures two calibration images on the cover plate and transmits the two calibration images to a processor under the irradiation of a first backlight light source, the processor calculates coordinates of the two calibration images on the cover plate after digital processing, the material taking device adsorbs the cover plate to move to a position above a mounting position, the processor calculates a running path of the material taking device according to the difference between the coordinates of the two calibration images on the cover plate and the coordinates of the two calibration images on a carrier plate so that the coordinates of the two calibration images on the cover plate are the same as the coordinates of the two calibration images on the carrier plate, the material taking device executes the running path to press the cover plate on the FPC plate and align the cover plate with a specified position on the carrier plate, wherein the cover plate and the carrier plate can be magnetically attracted, and the FPC plate clamped in the cover plate is fixed on the carrier plate through magnetic attraction between the cover plate and the carrier plate.