CN111498500A

CN111498500A - Conveying connection device and method for automatic processing of PCB

Info

Publication number: CN111498500A
Application number: CN202010341774.6A
Authority: CN
Inventors: 徐建方; 万爱花; 王富生
Original assignee: Ningbo Start Up Product Design Co ltd
Current assignee: Hangzhou microchip measurement and Control Electronics Co.,Ltd.
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-08-07
Anticipated expiration: 2040-04-27
Also published as: CN111498500B

Abstract

The invention relates to the technical field of PCB processing. A conveying connection device for automatically processing a PCB and a method thereof comprise a horizontal conveying support, a horizontal conveying cylinder, a horizontal conveying plate, a lifting suction moving cylinder, a lifting suction moving plate, a plurality of chip suction plates, a linear conveying support and a single-chip conveying assembly; the horizontal conveying plate is connected with the moving part of the horizontal conveying cylinder, the horizontal conveying plate is arranged on the horizontal conveying support through a horizontal conveying sliding rail, the lifting suction moving plate is connected with the moving part of the lifting suction moving cylinder, and the feeding end of the linear conveying support is connected with the discharging end of the horizontal conveying support; the single-chip conveying assembly is matched with the linear conveying support to convert the conveying of the plurality of the conveying units into single-chip conveying. The advantage of this patent is that promote conveying efficiency, promotes whole processing lines's continuity and promotes processingquality.

Description

Conveying connection device and method for automatic processing of PCB

Technical Field

The invention relates to the technical field of PCB (printed circuit board) processing, in particular to a conveying connection device and a conveying connection method for automatically processing a PCB.

Background

The PCB, which is called a printed circuit board in chinese, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. The precision requirement in the process of processing, marking and processing the surface of the PCB is very high, clear characters, models, manufacturers and other information are required to be marked on the premise of not damaging components, and the PCB is marked and then is subjected to blanking after being pasted with qualified labels.

The automatic processing equipment of current PCB circuit board, for example the processing equipment disclosed in the Chinese utility model patent of publication No. CN207736986U (announcement day is 2018.08.17), this equipment PCB marking machine and PCB mark device on line, include: frame subassembly, be used for providing the operation function the operation platform subassembly, be used for fixing a position and press from both sides tight mark platform subassembly to the PCB board, be used for moving the platform of marking platform subassembly and remove the subassembly, be used for carrying out the laser marking subassembly of laser marking to the PCB board, operation platform subassembly, platform remove the subassembly, mark platform subassembly, laser marking subassembly are all installed on frame subassembly. Compared with the prior art, this utility model discloses a marking machine can realize that PCB beats the automation of mark and press from both sides dress, beat mark and detect the integration, the effectual artifical intensity of labour who drops into and operation staff that has reduced has improved production efficiency and product percent of pass simultaneously.

The existing PCB automatic processing equipment has the following problems: in the PCB conveying and feeding process, most of the existing equipment directly conveys and feeds the PCB individually through a PCB conveyer belt, so that the conveying efficiency is slow and the overall processing efficiency is influenced; secondly, because the PCB which is conveyed in is in a strip shape, whether the PCB which is conveyed in is a front side or a back side cannot be completely guaranteed, if the PCB is the back side, marking errors on the front side and the back side can be caused, the PCB needs to be conveyed and fed and then turned over, the existing turning device is too complex in structure, the occupied space of the device is large, turning alarm is easy to occur frequently, or the PCB is easy to drop in the turning process; thirdly, in the existing turning process, the circuit board is clamped firstly and then turned, and pause exists in the middle of the circuit board, so that the turning efficiency is low, and the whole processing efficiency is influenced; in the existing laser marking process of the PCB, the PCB is collected and transported to a special laser marking position for uniform marking, so that the whole production line is not smooth enough, the processing efficiency is influenced, and the PCB is easy to drop or damage in the conveying process, and the production cost is influenced; the existing marking process needs to turn over back and forth, so that the operation is troublesome, the marking efficiency is influenced, and a circuit board marking device for automatic double-sided marking treatment is not available on the existing processing production line.

Especially, after laser marking chips on a PCB, the PCB needs to be conveyed to a subsequent labeling processing position for carrying out label pasting operation, labeling is carried out through a labeling machine in the current labeling processing process, but the existing labeling machine only has one conveying channel for labeling processing, and cannot label a plurality of PCBs, so that a plurality of PCBs conveyed simultaneously need to be converted into a single conveying for labeling processing.

Disclosure of Invention

The invention aims to solve the problem that a plurality of PCB boards cannot be transferred into a single PCB for conveying in the prior art, and provides a conveying and connecting device for automatically processing the PCB boards, which is convenient for transferring a plurality of PCB boards which are simultaneously conveyed into a single PCB for conveying, is convenient for subsequent labeling processing, and improves the smoothness and the overall processing efficiency of the overall processing.

For the purpose of the invention, the following technical scheme is adopted for realizing the purpose:

a conveying and connecting device for processing a PCB (printed circuit board) comprises a horizontal conveying support, a horizontal conveying cylinder, a horizontal conveying plate, a lifting and sucking moving cylinder, a lifting and sucking moving plate, a plurality of circuit board sucking plates, a linear conveying support and a single-chip conveying assembly; the horizontal conveying cylinder is arranged on one side of the horizontal conveying support, the horizontal conveying plate is connected with the moving part of the horizontal conveying cylinder, the horizontal conveying plate is arranged on the horizontal conveying support through the horizontal conveying slide rail, the lifting suction moving cylinder is arranged at the rear part of the horizontal conveying plate, the lifting suction moving plate is connected with the moving part of the lifting suction moving cylinder, the circuit board suction plates are arranged at the bottom of the lifting suction moving plate, and the feeding end of the linear conveying support is connected with the discharging end of the horizontal conveying support; the single-chip conveying assembly is matched with the linear conveying support to convert the conveying of the plurality of the conveying units into single-chip conveying.

Preferably, both ends of each circuit board suction plate are provided with circuit board conveying suction heads.

Preferably, a plurality of linear conveying partition plates which are regularly arranged in the front-back direction are arranged on the linear conveying support, and a linear conveying groove is formed between every two linear conveying partition plates.

Preferably, a plurality of linear conveying rollers which are regularly arranged in the horizontal direction are arranged on the linear conveying support, a linear conveying gear is connected to the right end of each linear conveying roller, two adjacent linear conveying gears are connected through linear conveying, and one linear conveying gear of the plurality of linear conveying gears is connected with a linear conveying motor and driven through the linear conveying motor.

Preferably, the discharge end of the linear conveying support is provided with a plurality of blocking cylinders, and each blocking cylinder is matched with a linear conveying groove formed by every two linear conveying partition plates.

Preferably, the single-chip conveying assembly comprises a single-chip conveying bracket, a single-chip conveying motor, a single-chip conveying rotating shaft, a single-chip conveying moving frame and a single-chip linear conveying frame; the single-chip conveying support is horizontally located on the side of the discharging end of the linear conveying support, the single-chip conveying motor is arranged at the left part of the single-chip conveying support, the single-chip conveying rotating shaft is connected with the single-chip conveying motor and connected to the single-chip conveying support through a bearing, the single-chip conveying moving frame is sleeved on the single-chip conveying rotating shaft, the single-chip conveying moving frame is arranged on the single-chip conveying support through a single-chip conveying moving slide rail, and the single-chip linear conveying frame is arranged on the single-chip conveying moving.

Preferably, a single-piece conveying groove is formed in the top of the single-piece linear conveying frame, a plurality of single-piece conveying guide rollers which are regularly arranged in the horizontal direction are arranged on the single-piece linear conveying frame, a single-piece conveying gear is connected to the right end of each single-piece conveying guide roller, a single-piece conveying driving motor is arranged in the middle of the single-piece conveying support, a single-piece conveying driving gear is connected to a rotating shaft of each single-piece conveying driving motor, and each single-piece conveying gear and each single-piece conveying driving gear are.

A method for conveying PCB circuit boards uses the above conveying linking device, a horizontal conveying cylinder drives a lifting absorbing moving cylinder of a horizontal conveying plate on a horizontal conveying support to move to the position above a circuit board at the discharging end of a laser marking device, a plurality of circuit board absorbing plates are driven to absorb a plurality of circuit boards simultaneously by descending of the lifting absorbing moving cylinder, the absorbed circuit boards are transferred into a plurality of linear conveying grooves on a linear conveying support by the horizontal conveying cylinder, each linear conveying roller is driven by a linear conveying motor to rotate and convey to the discharging end of the linear conveying support, the plurality of circuit boards are blocked and limited by a plurality of blocking cylinders, a single conveying motor in a single conveying assembly drives a single conveying rotating shaft to rotate, so that a single conveying groove in a single linear conveying rack on a single conveying moving rack moves to a position aligned with one linear conveying groove, the circuit board in the linear conveying groove is conveyed to the single-chip conveying groove by descending of a moving part of a blocking cylinder, and the single-chip conveying driving motor drives the single-chip conveying guide roller to rotate for continuous conveying.

The utility model provides a PCB circuit board automatic processing equipment, this equipment includes feed arrangement, location detection device, radium-shine mark device and foretell transport linking device of beating. Preferably, the laser marking device comprises a laser marking machine frame, a laser detection assembly, a first laser conveying assembly, a laser overturning and positioning assembly, a second laser conveying assembly and a laser marking assembly.

Adopt the transport linking device of above-mentioned technical scheme's a PCB circuit board automatic processing usefulness, the device has solved and has carried the PCB circuit board singly, has not yet installed and has changed the PCB circuit board of a plurality of transports into single transport, can promote the problem of the continuity of whole assembly line like this. It shifts the circuit board to absorb the board through horizontal transport cylinder and lift absorption removal cylinder and cooperate and drive circuit board suction plate, promote transfer efficiency and transfer precision, be convenient for better carry out the sharp transport through sharp conveying bracket, and cooperate with monolithic conveying component through sharp conveying bracket, be convenient for carry the circuit board by the polylith and shift to the monolithic and carry, be convenient for follow-up better processing of labelling, carry pivot and monolithic through the monolithic simultaneously and carry the better removal of being convenient for that the removal frame cooperatees, promote positioning accuracy, be convenient for better messenger's monolithic conveyer trough aligns with the straight line conveyer trough, thereby make the circuit board carry to the monolithic conveyer trough in, promote the coherence of whole assembly line and promote whole machining efficiency.

This equipment has solved the problem of monolithic transport through feed arrangement, is convenient for separate the polylith circuit board and carry out the simultaneous transport, promotes conveying efficiency to cooperate through the spacing cylinder of the ejection of compact and the fixed cylinder of the ejection of compact and promote the stability of positioning accuracy and location. The problems that the existing turnover device is too complex, the circuit board is easy to drop and the alarm is frequently mistaken are solved through the positioning detection device. The front and back detection assemblies are used for facilitating the detection of the circuit board and the transfer of the circuit board, so that the circuit board is more smooth, the transfer efficiency and the overall processing efficiency of the circuit board are improved, and the accumulation of the circuit board is also prevented; the transfer assembly is convenient for more circuit boards to be simultaneously sucked, and has stronger stability in the transfer process, so that the firmness of the circuit boards in the transfer process is improved; be convenient for overturn the polylith circuit board simultaneously through upset locating component to carry the deflector roll through cross roll-over stand and many upsets and insert empty setting, the structure is ingenious when saving equipment space, is convenient for absorb the upset, promotes whole upset efficiency and upset stability. The laser marking device solves the problems that the assembly line is not connected, the processing efficiency is influenced and the front and back surfaces cannot be marked simultaneously due to the fact that the existing mark is marked on the laser marking position in a unified mode. Automatic detection before marking is realized through the laser detection assembly, so that the detection efficiency and the detection quality are improved, and the quality of a circuit board product is further ensured; the automatic turning of the assembly line is realized by the mutual cooperation of the first laser conveying component, the laser turning positioning component and the second laser conveying component, so that the direct double-sided marking is convenient, the assembly line is not required to be conveyed to a designated marking processing position for marking processing, the two turning matching neutral gears are correspondingly matched with the first laser conveying belt and the second laser conveying belt, the two turning matching neutral gears are arranged in a way of being inserted into the first laser conveying belt and the second laser conveying belt, the equipment space can be saved, the four circuit boards can be better sucked, the four circuit boards can be directly sucked in the rotating process of the laser cross-shaped turning frame, the pause is not required, the turning efficiency and the turning quality are improved, the double-sided laser marking processing is realized by the first laser marking module and the second laser marking module in the laser marking component, and the laser marking efficiency and the laser marking quality are improved, finally, the overall processing efficiency and the overall processing quality are further improved.

To sum up, the advantage of this patent is that promote conveying efficiency, promotes whole processing lines's continuity and promotes processingquality.

Drawings

Fig. 1 is a schematic structural view of the automatic PCB processing apparatus of the present invention.

Fig. 2 is a schematic structural diagram of the PCB circuit board of the present invention.

FIG. 3 is a schematic structural diagram of the feeding device of the present invention.

Fig. 4 is a schematic diagram of an exploded structure of the feeding device of the present invention.

Fig. 5 is a schematic structural diagram of the positioning detection apparatus of the present invention.

FIG. 6 is a schematic view of the front and back side detecting unit and the transferring unit according to the present invention.

Fig. 7 is a schematic structural diagram of the flip positioning assembly of the present invention.

Fig. 8 is a schematic structural view of a laser marking apparatus of the present invention.

Fig. 9 is an exploded view of the laser marking apparatus of the present invention.

FIG. 10 is a schematic view of a transport interface device according to the present invention.

Detailed Description

The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.

As shown in fig. 1, an automatic PCB processing apparatus includes a feeding device 1, a positioning detection device 2, a laser marking device 3 and a conveying connection device 4; the feeding device 1, the positioning detection device 2, the laser marking device 3 and the conveying connection device 4 are connected with each other in sequence from the feeding end to the discharging end; the feeding device 1 is used for conveying a plurality of circuit boards to the positioning detection device 2, the positioning detection device 2 is used for positioning the circuit boards and detecting the front and back surfaces of the circuit boards, the circuit boards are transferred to the laser marking device 3, the laser marking device 3 is used for carrying out laser processing on the circuit boards and conveying the circuit boards to the conveying connection device 4, and the conveying connection device 4 is used for converting the circuit boards from multi-chip conveying to single-chip conveying for subsequent labeling processing.

As shown in fig. 2, for the required product of beating the mark in the picture, this product is for being long banding PCB circuit board a, is provided with the chip b that the polylith shape differs on PCB circuit board a, and laser marking device 3 beats chip model and mark through laser marking's mode around chip b and chip b's outer lane, carries out PCB circuit board laminating check label operation after beating the mark, pastes qualified label c to the right side of the PCB circuit board after the mark is beaten to the qualification.

As shown in fig. 1 to 4, the feeding device 1 includes a feeding support 11, a first feeding conveying support 12, a second feeding conveying support 13, and a third feeding conveying support 15; first feeding conveying support 12 sets up at the feed end of feeding support 11, and on four circuit boards carried the circuit board frame to first feeding conveying support 12, the circuit board frame snatched through automatic manipulator and placed to carry to discharge end department, also snatch through automatic manipulator and take out. The first feeding conveying bracket 12 is provided with a plurality of first conveying rollers 121 which are arranged in parallel, and the left part of each first conveying roller 121 is connected with a first feeding transmission gear 122; two adjacent first feeding transmission gears 122 are connected through a first rack in a tensioning mode, one first feeding transmission gear 122 in the plurality of first feeding transmission gears 122 is connected with a first feeding transmission motor 123 through a first motor rack, and the first feeding transmission gear 122 is driven to rotate through the first feeding transmission motor 123, so that the first feeding transmission gears 122 are matched with one another to drive transmission. The second feeding conveying support 13 is arranged on the feeding support 11, the feeding end of the second feeding conveying support 13 is connected with the discharging end of the first feeding conveying support 12, a plurality of second conveying rollers 131 which are arranged in parallel are arranged on the second feeding conveying support 13, and the left part of each second conveying roller 131 is connected with a second feeding transmission gear 132; two adjacent second feeding transmission gears 132 are connected through a second rack in a tensioning manner, and one second feeding transmission gear 132 of the plurality of second feeding transmission gears 132 is connected with a second feeding transmission motor 134 through a second motor rack; the second feed conveyance holder 13 is driven and conveyed by the same conveyance manner as the first feed conveyance holder 12.

The feed end of third feeding conveying support 15 links up with the discharge end of second feeding conveying support 13 mutually, and third feeding conveying support 15 is the same with second feeding conveying support 13 structure, and the equal tensioning in many second conveying rollers 131 left and right sides on third feeding conveying support 15 is connected with feeding conveyor belt 151, is convenient for more steady transport through feeding conveyor belt 151, also is convenient for promote the smoothness degree of transport simultaneously. The feed end of third feeding conveying support 15 is provided with ejection of compact fixed cylinder 152, and the bottom of ejection of compact fixed cylinder 152 is connected with ejection of compact fixed pressing plate 1521, drives ejection of compact fixed pressing plate 1521 through ejection of compact fixed cylinder 152 and is convenient for fix when carrying circuit board to ejection of compact department, makes it snatch by follow-up device better. The discharge end of third feeding conveying support 15 still is provided with the spacing cylinder of ejection of compact 153, and the removal portion of the spacing cylinder of ejection of compact 153 is provided with ejection of compact limiting plate 1531, drives ejection of compact limiting plate 1531 through the spacing cylinder of ejection of compact 153 and carries out better fixing a position of position adjustment, promotes positioning accuracy.

During operation, the polylith circuit board is carried to the circuit board frame of first feeding conveying support 12, drives every first conveying roller 121 through first feeding driving motor 123 and rotates and carry the polylith circuit board to second feeding conveying support 13 on, second feeding conveying support 13 carries to third feeding conveying support 15 through the same mode on, cooperate through spacing cylinder 153 of the ejection of compact and ejection of compact fixed cylinder 152 and push away the circuit board to the assigned position and carry on spacing fixedly when carrying to the ejection of compact.

The feeding device 1 solves the problem of single-block conveying, improves the conveying efficiency by being convenient for separating a plurality of circuit boards and conveying the circuit boards simultaneously, and improves the conveying stability by matching with a circuit board support; the positioning precision and the positioning stability are improved by matching the discharging limiting cylinder 153 and the discharging fixing cylinder 152.

As shown in fig. 1, 5, 6 and 7, the positioning detection device 2 includes a transfer support frame 20, a front-back side detection assembly 21, a transfer assembly 22 and a turning positioning assembly 23; the front and back side detection assembly 21 is arranged at the feeding end of the transfer support frame 20, the front and back side detection assembly 21 is used for placing a circuit board to wait for transfer and performing front and back side detection, and the front and back side detection assembly 21 comprises a containing support 211, two containing adjusting cylinders 212, a containing adjusting frame 213 and a front and back side detector; hold support 211 and set up at the feed end that shifts support frame 20, hold alignment jig 213 and set up on holding support 211 through two guide arms, hold alignment jig 213 and be convenient for carry out horizontal migration on holding support 211. Two hold the adjustment cylinder 212 setting and hold the discharge end side of support 211, two hold the adjustment cylinder 212 and pass and hold support 211 and hold the alignment jig 213 and be connected, and two hold the adjustment cylinder 212 and drive and hold alignment jig 213 and carry out the horizontal migration regulation. Hold and be provided with many circuit boards on the alignment jig 213 and hold groove 2131, circuit board holds groove 2131 and is used for placing the circuit board. The front and back side detector is arranged on the transfer support frame 20 and above the containing adjusting frame 213 for detecting the front side, the front side does not need to be turned, and the turning is carried out through the turning positioning assembly 23.

A transfer unit 22 is disposed on the transfer carriage 20, and the transfer unit 22 is used for transferring the circuit board. The transferring assembly 22 comprises a transferring bracket 221, a transferring electric cylinder 222, a transferring moving frame 223, a plurality of transferring modules 224, and a transferring bracket 221 arranged on the transferring and overturning support frame 20, wherein the transferring electric cylinder 222 is horizontally arranged on the top of the transferring bracket 221, the transferring moving frame 223 is connected with a moving part of the transferring electric cylinder 222, the transferring moving frame 223 is arranged on the top of the transferring bracket 221 through a transferring moving slide rail, and the transferring moving frame 223 is driven by the transferring electric cylinder 222 to be horizontally moved and positioned on the transferring bracket 221. A plurality of transfer modules 224 are arranged at the front part of the transfer moving frame 223 in a regular way, and each transfer module 224 comprises a transfer support vertical plate 2241, a transfer lifting cylinder 2242, a transfer lifting frame 2243 and a plurality of circuit board grabbing suction plates 2244; transfer support riser 2241 and set up in the front portion that shifts and remove the frame 223, transfer lift cylinder 2242 and set up in the front portion that shifts support riser 2241, transfer crane 2243 and be connected with the bottom that shifts lift cylinder 2242, drive through shifting lift cylinder 2242 and shift the location. The four circuit board grabbing suction plates 2244 are arranged at the bottom of the transfer lifting frame 2243; every circuit board snatchs the both ends of suction disc 2244 and all is provided with and snatchs suction head 2245, is convenient for absorb the circuit board through snatching suction head 2245 and shifts, promotes and shifts stability.

The overturning positioning assembly 23 comprises a first overturning conveying module 231, a second overturning conveying module 232 and an overturning module 233; the first overturning and conveying module 231 and the second overturning and conveying module 232 are arranged on the transfer support frame 20 in parallel, and the first overturning and conveying module 231 and the second overturning and conveying module 232 are symmetrically arranged and have the same structure. The first turnover conveying module 231 comprises a first turnover conveying bracket 2311, a second turnover conveying bracket 2312 and a turnover conveying engagement bracket 2313; a plurality of overturning conveying guide rollers 23111 which are regularly arranged in parallel are arranged on the first overturning conveying bracket 2311; one end of each turnover conveying guide roller 23111 is connected with a turnover conveying gear 23112, any two adjacent turnover conveying gears 23112 are connected through a turnover conveying conveyor belt, any one turnover conveying gear 23112 in the multiple turnover conveying gears 23112 is connected with a turnover conveying motor 23113, and the turnover conveying gears 23112 are driven to rotate through a turnover conveying motor 23113, so that each turnover conveying guide roller 23111 rotates, and the transferred four circuit boards are conveyed backwards. Be located many upset and carry deflector roll 23111 below and be provided with support spacing cylinder 2314, the top of supporting spacing cylinder 2314 is provided with supports spacing 2315, be provided with polylith rule parallel arrangement's spacing baffle 2316 on supporting spacing 2315, all be provided with a plurality of circuit boards on every spacing baffle 2316 and carry neutral gear 2317, every spacing baffle 2316 is located between two upset transport deflector rolls 23111, and carry neutral gear 2317 through the circuit board and be convenient for better carry on spacingly with four circuit boards, prevent that the circuit board from removing about, promote the stability of carrying. The first overturning conveying support 2311 and the second overturning conveying support 2312 are arranged in a front-back alignment mode and are identical in structure, a supporting plate is not arranged on the matching side of the second overturning conveying support 2312 and the overturning module 233, so that the second overturning conveying support is better matched with the overturning module 233 conveniently, each overturning conveying guide roller 23111 on the second overturning conveying support 2312 is provided with a plurality of limiting convex rings 23121 which are regularly arranged, and the distance between every two adjacent limiting convex rings 23121 is aligned with each circuit board conveying neutral position 2317 and is identical in width; the limiting convex ring 23121 is convenient to better limit, and the stability in the overturning process is improved. The overturning conveying connection bracket 2313 is positioned between the first overturning conveying bracket 2311 and the second overturning conveying bracket 2312, a plurality of regularly arranged overturning conveying connection limiting blocks are arranged on the overturning conveying connection bracket 2313, and the distance between every two adjacent overturning conveying connection limiting blocks is the same as the distance between every two adjacent limiting convex rings 23121; the overturning module 233 is located between the first overturning and conveying module 231 and the second overturning and conveying module 232, and the overturning module 233 is matched with the first overturning and conveying module 231 and the second overturning and conveying module 232 to overturn. The overturning module 233 comprises an overturning motor 2331, an overturning shaft 2332 and a cross overturning frame 2333; the turning motor 2331 is arranged between the first turning conveying module 231 and the second turning conveying module 232, the turning shaft 2332 is connected with the turning motor 2331, the cross-shaped turning frame 2333 is sleeved on the turning shaft 2332, and the turning shaft 2332 is driven to rotate by the turning motor 2331 so as to drive the cross-shaped turning frame 2333 to rotate. Each turning sub-frame 2334 of the cross-shaped turning frame 2333 is provided with a plurality of turning fit neutral stops 2335; each turning-fit neutral 2335 is correspondingly matched with each turning-over conveying guide roller 23111, so that the turning-fit neutral 2335 and the turning-over conveying guide rollers 23111 are arranged in a hollow manner, mutual collision between the turning-over fit neutral 2335 and the turning-over conveying guide rollers 23111 is prevented, the circuit board can be conveniently and directly transferred, and the structure is simple and ingenious. The equipment space can be saved, the four circuit boards can be better sucked, and meanwhile, the four circuit boards can be directly sucked in the rotating process of the cross-shaped turning frame 2333 without pause, so that the turning efficiency and the turning quality are improved. The outer end of each of the turning sub-frames 2334 is provided with a plurality of turning nozzles 23341, and the suction stability is further improved by the turning nozzles 23341 to prevent from falling down in the turning.

During operation, the transfer electric cylinder 222 in the transfer assembly 22 drives the right transfer module 224 on the transfer moving frame 223 to move to the position above the third feeding and conveying support 15, the transfer lifting cylinder 2242 drives the grabbing suction head 2245 on the transfer lifting frame 2243 to suck the four circuit boards, the transfer electric cylinder 222 moves the circuit boards to the front and back detection assembly 21, the front and back detectors on the front and back detection assembly 21 detect the front and back sides, the right second transfer module 224 conveys the circuit boards on the front and back detection assembly 21 to the first turnover conveying module 231 in the turnover positioning assembly 23, and if the circuit boards are front, the right third transfer module 224 directly conveys the four circuit boards to the laser marking device 3; if the circuit boards are reverse, the turnover conveying motor 23113 drives the four circuit boards to be conveyed backwards to the second turnover conveying support 2312, the cross turnover frame 2333 on the turnover module 233 sucks the four circuit boards and clockwise rotates through the turnover motor 2331 to place the four circuit boards on the second turnover conveying support 2312 of the second turnover conveying module 232, the turnover conveying motor 23113 of the second turnover conveying module 232 drives the four circuit boards to move forwards, and finally the four circuit boards are transferred to the laser marking device 3 through the transfer module 224 at the left end;

the problems that the existing turnover device is too complex, the circuit board is easy to drop and the alarm is often mistaken are solved through the positioning detection device 2. The front and back detection assembly 21 is convenient for circuit board detection and smooth transfer, so that the transfer efficiency and the overall processing efficiency of the circuit board are improved, and the accumulation of the circuit board is also prevented; the transfer assembly 22 is convenient for more circuit boards to be sucked simultaneously, and has stronger stability in the transfer process, so that the firmness of the circuit boards in the transfer process is improved; be convenient for overturn the polylith circuit board simultaneously through upset locating component 23 to carry deflector roll 23111 through cross roll-over frame 2333 and many upsets and insert empty setting, the structure is ingenious when saving equipment space, is convenient for absorb the upset, promotes whole upset efficiency and upset stability.

As shown in fig. 1, 8 and 9, the laser marking device 3 includes a laser marking machine frame 31, a laser detecting assembly 32, a first laser conveying assembly 33, a laser overturning and positioning assembly 34, a second laser conveying assembly 35 and a laser marking assembly 36; the laser detection assembly 32 is arranged at the feed end of the laser marking machine frame 31, and the laser detection assembly 32 is used for detection before laser; the first laser conveying component 33 and the second laser conveying component 35 are respectively arranged on the feeding end side and the discharging end side of the laser marking rack 31, and the first laser conveying component 33 is used for conveying the circuit board to the laser overturning positioning component 34; radium-shine upset locating component 34 is located between first radium-shine conveying component 33 and the radium-shine conveying component 35 of second, and radium-shine upset locating component 34 is used for conveying the circuit board to the radium-shine conveying component 35 of second after the upset on, and radium-shine marking component 36 sets up in radium-shine marking frame 31 middle part, and radium-shine marking component 36 is used for carrying out radium-shine marking processing.

As shown in fig. 8 and 9, the laser detection assembly 32 includes a laser detection bracket 321, a laser detection motor 322, a laser detection rotating shaft 323, a laser detection moving bracket 324, and a laser detection module 325; laser detection support 321 sets up on laser marking frame 31, and laser detection motor 322 sets up on laser detection support 321, and laser detection pivot 323 is connected with laser detection motor 322, drives laser detection pivot 323 through laser detection motor 322 and rotates. Radium-shine detection moving frame 324 cover is established on radium-shine detection pivot 323, and radium-shine detection moving frame 324 passes through radium-shine detection movable slide rail setting on radium-shine detection support 321, and through radium-shine detection pivot 323 and radium-shine detection moving frame 324 mutually supporting, drive radium-shine detection moving frame 324 and carry out the horizontal migration location, be convenient for better fix a position the detection, promote the detection precision. Laser detection module 325 sets up at the rear portion that laser detected removal frame 324, and laser detection module 325 detects the circuit board through visual detection's mode, promotes and detects precision and detection quality.

The first laser conveying component 33 comprises a laser conveying bracket 331, a laser conveying motor 332, a first laser conveying roller 333, a second laser conveying roller 334, a first laser conveying belt 335 and a second laser conveying belt 336; the first laser conveying roller 333 and the second laser conveying roller 334 are respectively connected to the feeding end and the discharging end of the laser conveying support 331, the laser conveying driven wheel 3331 is connected to the front end of the first laser conveying roller 333, the laser conveying motor 332 is located below the laser conveying support 331, and the laser conveying motor 332 is connected with a laser conveying driving wheel 3321; the laser conveying driving wheel 3321 and the laser conveying driven wheel 3331 are connected through a laser motor conveying belt in a tensioning mode, the laser conveying motor 332 drives the laser conveying driving wheel 3321 to rotate, and therefore the laser conveying driven wheel 3331 is driven to rotate through the laser motor conveying belt, and the first laser conveying roller 333 is driven to rotate for conveying. A first laser conveying gear and a second laser conveying gear are arranged on the first laser conveying roller 333 and the second laser conveying roller 334 respectively; first radium-shine conveyer belt 335 and the radium-shine conveyer belt 336 of second tensioning respectively connect on two first radium-shine conveying gear and two radium-shine conveying gear, cooperate through first radium-shine conveying roller 333 and the radium-shine conveying roller 334 of second and drive first radium-shine conveyer belt 335 and the radium-shine conveyer belt 336 of second and carry out the rotary transportation. All be provided with the radium-shine carriage 337 of a plurality of regular arrays on first radium-shine conveyer belt 335 and the radium-shine conveyer belt 336 of second circuit board, radium-shine carriage 337 of circuit board moves along with first radium-shine conveyer belt 335 and the radium-shine conveyer belt 336 of second, and radium-shine carriage 337 of circuit board on first radium-shine conveyer belt 335 and the radium-shine conveyer belt 336 of second aligns and sets up. Every radium-shine carriage 337 of circuit board all is provided with four circuit board spacing grooves 3371, is convenient for better carry on spacingly with the circuit board through circuit board spacing groove 3371. A support intermediate frame 338 is arranged between the first laser conveying belt 335 and the second laser conveying belt 336, and the support intermediate frame 338 is convenient for better support, so that the conveying stability is improved. The second laser conveying assembly 35 is horizontally aligned with the first laser conveying assembly 33 and has the same structure.

The laser overturning positioning assembly 34 comprises a laser overturning motor 341, a laser overturning shaft 342 and a laser cross overturning frame 343; the laser overturning motor 341 is arranged on the laser detection bracket 321; the laser turning shaft 342 is connected with a laser turning motor 341, and the laser turning shaft 342 is driven to rotate by the laser turning motor 341. The laser cross roll-over stand 343 is sleeved on the laser roll-over shaft 342, and the laser cross roll-over stand 343 is driven to rotate by the laser roll-over shaft 342, so that the circuit board is turned over. All be provided with two upset cooperation neutral gear 3431 on every upset prong of radium-shine cross roll-over stand 343, two upset cooperation neutral gear 3431 and the corresponding cooperation of first radium-shine conveyer belt 335 and second radium-shine conveyer belt 336, make two upset cooperation neutral gear 3431 and first radium-shine conveyer belt 335 and the setting of inserting empty of second radium-shine conveyer belt 336, the condition in equipment space can be saved, also can be better absorb four circuit boards, and just can directly absorb four circuit boards at the rotatory in-process of radium-shine cross roll-over stand 343, need not to pause, promote turnover efficiency and upset quality. Laser cross roll-over stand 343 every upset sub-frame outer end is provided with laser upset suction head 3432, through laser upset suction head 3432 be convenient for better promote the firmness of absorption at rotatory in-process to further promote upset stability.

Laser marking subassembly 36 includes first laser marking module 361 and second laser marking module 362, and first laser marking module 361 and second laser marking module 362 are located the left and right sides of laser upset locating component 34 respectively, and first laser marking module 361 and second laser marking module 362 are the same in structure. The first laser marking module 361 comprises a laser marking bracket 3611, a laser marking front-and-back moving electric cylinder 3612, a laser marking front-and-back moving plate 3613 and a laser marking component 3614; laser marking support 3611 sets up on laser marking frame 31, and laser marking back-and-forth movement electric jar 3612 sets up the top at laser marking frame 31, and laser marking front and back movable plate 3613 is connected with the removal portion of laser marking back-and-forth movement electric jar 3612, and laser marking part 3614 sets up on laser marking front and back movable plate 3613. The laser marking component 3614 on the laser marking front-back moving plate 3613 is driven to move back and forth and positioned by the laser marking front-back moving electric cylinder 3612, and automatic marking is carried out on the circuit board by the laser marking component 3614 in a laser marking mode.

During operation, the positioning detection device 2 conveys a plurality of circuit boards to the circuit board limiting groove 3371 of the circuit board laser conveying frame 337 in the first laser conveying component 33, the first laser conveying roller 333 on the laser conveying driven wheel 3331 is driven to rotate by the laser conveying driving wheel 3321 on the laser conveying motor 332, so that the first laser conveying belt 335 and the second laser conveying belt 336 simultaneously rotate and convey, when the circuit boards move to the discharge end, the laser detecting motor 322 on the laser detecting component 32 drives the laser detecting module 325 to horizontally move and position, the circuit boards are detected by the laser detecting module 325 in a visual detection mode, the detected circuit boards are conveyed to the first laser marking module 361, the front marking processing is carried out by the first laser marking module 361, when the circuit boards are conveyed to the discharge end of the circuit board laser conveying frame 337 in the first laser conveying component 33, laser upset motor 341 through on the laser upset locating component 34 drives laser cross roll-over stand 343 and rotates, insert empty setting through two upset cooperation neutral gear 3431 and first laser conveyer belt 335 and the laser conveyer belt 336 of second, make clockwise rotation's laser cross roll-over stand 343 when up sucking polylith circuit board and continue to rotate down, thereby overturn polylith circuit board to on the laser conveying component 35 of second and continue to carry to the laser marking module 362 department of second, carry out reverse marking processing through the laser marking module 362 of second, continue to carry linking device 4 departments after the two sides are beaten the mark.

The laser marking device 3 solves the problems that the assembly line is not connected, the processing efficiency is influenced and the front and back surfaces cannot be marked simultaneously due to the fact that the existing mark is marked on the laser marking position in a unified mode. Automatic detection before marking is realized through the laser detection assembly 32, so that the detection efficiency and the detection quality are improved, and the quality of a circuit board product is further ensured; the automatic turning of the assembly line is realized by the mutual cooperation of the first laser conveying component 33, the laser turning positioning component 34 and the second laser conveying component 35, so that the direct double-sided marking is facilitated, the assembly line is not required to be conveyed to a designated marking processing position for marking processing, the two turning-matching neutral positions 3431 are correspondingly matched with the first laser conveying belt 335 and the second laser conveying belt 336, the two turning-matching neutral positions 3431 are inserted into the first laser conveying belt 335 and the second laser conveying belt 336, the equipment space can be saved, the four circuit boards can be better sucked, the four circuit boards can be directly sucked in the rotating process of the laser cross-shaped turning frame 343, the pause is not required, the turning efficiency and the turning quality are improved, the double-sided marking processing is realized by the first laser marking module 361 and the second laser marking module 362 in the laser marking component 36, the laser marking efficiency and the laser marking quality are improved, and finally the overall processing efficiency and the overall processing quality are further improved.

As shown in fig. 1 and 10, the conveying engagement device 4 includes a horizontal conveying support 41, a horizontal conveying cylinder 42, a horizontal conveying plate 43, an elevating suction moving cylinder 44, an elevating suction moving plate 45, a plurality of circuit board suction plates 46, a linear conveying support 47, and a single block conveying assembly 48; the horizontal conveying cylinder 42 is arranged on one side of the horizontal conveying support 41, the horizontal conveying plate 43 is connected with the moving part of the horizontal conveying cylinder 42, the horizontal conveying plate 43 is arranged on the horizontal conveying support 41 through a horizontal conveying sliding rail, and the horizontal conveying plate 43 is driven by the horizontal conveying cylinder 42 to move horizontally and be positioned on the horizontal conveying support 41. The lifting suction moving cylinder 44 is arranged at the rear part of the horizontal conveying plate 43, the lifting suction moving plate 45 is connected with the moving part of the lifting suction moving cylinder 44, the four circuit board suction plates 46 are arranged at the bottom of the lifting suction moving plate 45, and the four marked circuit boards are transferred and conveyed through the four circuit board suction plates 46. Two ends of each circuit board suction plate 46 are provided with a conveying circuit board suction head 461, so that the circuit boards can be better sucked through the conveying circuit board suction heads 461, and the stability in the transferring process is improved. The linear conveying support 47 is provided with a plurality of linear conveying partition plates 471 which are regularly arranged in the front-back direction, a linear conveying groove 4711 is formed between every two linear conveying partition plates 471, and the linear conveying groove 4711 is convenient for limiting the circuit board and better facilitating the circuit board conveying. The linear conveying support 47 is provided with a plurality of linear conveying rollers 472 which are regularly arranged in the horizontal direction, the right end of each linear conveying roller 472 is connected with a linear conveying gear 473, two adjacent linear conveying gears 473 are connected through linear conveying, one linear conveying gear 473 of the linear conveying gears 473 is connected with a linear conveying motor and is driven through the linear conveying motor, the discharge end of the linear conveying support 47 is provided with a plurality of blocking cylinders 474, so that a circuit board is conveniently blocked, and the circuit board is prevented from being conveyed through the head and falling. Each blocking cylinder 474 is matched with a linear conveying groove 4711 formed by every two linear conveying clapboards 471, and the single-block conveying component 48 is matched with the linear conveying bracket 47 to convert a plurality of conveyers into single-block conveying; still be provided with defective products unloading subassembly 5 and defective products receiver 51 on horizontal transport support 41, defective products receiver 51 is located defective products unloading subassembly 5 below, snatchs the unloading with defective products circuit board through defective products unloading subassembly 5.

The single conveying assembly 48 comprises a single conveying bracket 481, a single conveying motor 482, a single conveying rotating shaft 483, a single conveying moving frame 484 and a single linear conveying frame 485; the single conveying bracket 481 is horizontally arranged at the discharge end side of the linear conveying bracket 47, the single conveying motor 482 is arranged at the left part of the single conveying bracket 481, the single conveying rotating shaft 483 is connected with the single conveying motor 482 and is connected to the single conveying bracket 481 through a bearing, and the single conveying motor 482 drives the single conveying rotating shaft 483 to rotate. The single conveying moving rack 484 is sleeved on the single conveying rotating shaft 483, the single conveying moving rack 484 is arranged on the single conveying support 481 through a single conveying moving slide rail, and the single conveying moving rack 484 is matched with the single conveying rotating shaft 483 to move left and right for positioning. The single linear carriage 485 is disposed on the single carriage moving rack 484, a single conveying trough 4851 is disposed on the top of the single linear carriage 485, and the single conveying trough 4851 is disposed in parallel with the linear conveying trough 4711. A plurality of single conveying guide rollers 4852 which are regularly arranged in the horizontal direction are arranged on the single linear conveying rack 485, a single conveying gear 4853 is connected to the right end of each single conveying guide roller 4852, a single conveying driving motor 486 is arranged in the middle of the single conveying support 481, a single conveying driving gear 4861 is connected to a rotating shaft of the single conveying driving motor 486, each single conveying gear 4853 is connected with the single conveying driving gear 4861 through a single conveying rack in a tensioning mode, the single conveying driving gear 4861 is driven to rotate through the single conveying driving motor 486, and therefore the single conveying gear 4853 is driven to rotate, and each single conveying guide roller 4852 is driven to rotate and convey.

During operation, the horizontal conveying cylinder 42 in the conveying and connecting device 4 drives the lifting suction moving cylinder 44 of the horizontal conveying plate 43 on the horizontal conveying support 41 to move to the position above the circuit board at the discharging end of the laser marking device 3, the lifting suction moving cylinder 44 descends to drive the circuit board suction plates 46 to simultaneously suck a plurality of circuit boards, the horizontal conveying cylinder 42 transfers the sucked circuit boards to a plurality of linear conveying grooves 4711 on the linear conveying support 47, the linear conveying motor drives each linear conveying roller 472 to rotate and convey to the discharging end of the linear conveying support 47, the blocking cylinders 474 block and limit the plurality of circuit boards, the single conveying motor 482 in the single conveying assembly 48 drives the single conveying rotating shaft 483 to rotate, so that the single conveying groove 4851 in the single linear conveying support 485 on the single conveying support 484 is moved to be aligned with one linear conveying groove 4711, the circuit boards in the linear transportation groove 4711 are transported into the singulator transportation groove 4851 by the descending of the moving portion of one of the resist cylinders 474, and the singulator transportation guide rollers 4852 are driven to rotate by the singulator transportation driving motor 486 for further transportation.

The problem of carrying the PCB circuit board singly has been solved through carrying linking device 4, has not yet put the PCB circuit board of a plurality of conveyances and has changed into single transport into, can promote the continuity of whole assembly line like this. Cooperate through horizontal transport cylinder 42 and lift absorption removal cylinder 44 and drive circuit board suction plate 46 and shift the circuit board, promote transfer efficiency and transfer precision, it carries the straight line better to be convenient for carry out through sharp conveying bracket 47 and carries the straight line to carry, and cooperate with monolithic conveying component 48 through sharp conveying bracket 47, be convenient for carry the circuit board by the polylith and shift to monolithic and carry, be convenient for follow-up better processing of labelling, it carries the pivot 483 and monolithic to carry simultaneously and remove the frame 484 to cooperate and be convenient for better carry out the shift localization, promote positioning precision, it aligns with straight line conveyer trough 4711 to be convenient for better messenger's monolithic conveyer trough 4851 is carried to the circuit board, promote the continuity of whole assembly line and promote whole machining efficiency.

A use method of automatic PCB processing equipment sequentially comprises the following steps:

conveying feeding materials: a plurality of circuit boards are conveyed to the first feeding conveying support 12, each first conveying roller 121 is driven to rotate through the first feeding transmission motor 123 to convey the circuit boards to the second feeding conveying support 13, the second feeding conveying support 13 is conveyed to the third feeding conveying support 15 in the same mode, and the circuit boards are pushed to a specified position and are limited and fixed through the matching of the discharging limiting cylinder 153 and the discharging fixing cylinder 152 when conveyed to discharge;

(II) detecting turnover: the transfer electric cylinder 222 in the transfer assembly 22 drives the right transfer module 224 on the transfer moving frame 223 to move to the position above the third feeding and conveying support 15, the transfer lifting cylinder 2242 drives the grabbing suction head 2245 on the transfer lifting frame 2243 to suck the four circuit boards, the transfer electric cylinder 222 moves the circuit boards to the front and back detection assembly 21, the front and back detection is carried out through the front and back detector on the front and back detection assembly 21, the circuit boards on the front and back detection assembly 21 are conveyed to the first overturning and conveying module 231 in the overturning and positioning assembly 23 through the right second transfer module 224, and if the circuit boards are in the front, the four circuit boards are directly conveyed to the marking device 3 through the right third transfer module 224; if the circuit boards are reverse, the turnover conveying motor 23113 drives the four circuit boards to be conveyed backwards to the second turnover conveying support 2312, the cross turnover frame 2333 on the turnover module 233 sucks the four circuit boards and clockwise rotates through the turnover motor 2331 to place the four circuit boards on the second turnover conveying support 2312 of the second turnover conveying module 232, the turnover conveying motor 23113 of the second turnover conveying module 232 drives the four circuit boards to move forwards, and finally the four circuit boards are transferred to the laser marking device 3 through the transfer module 224 at the left end;

(III) laser marking: the positioning detection device 2 conveys a plurality of circuit boards to a circuit board limiting groove 3371 of a circuit board laser conveying frame 337 in a first laser conveying component 33, a laser conveying driving wheel 3321 on a laser conveying motor 332 drives a laser conveying driven wheel 3331 to rotate a first laser conveying roller 333, so that a first laser conveying belt 335 and a second laser conveying belt 336 simultaneously rotate and convey, when the circuit boards move to a discharging end, a laser detection motor 322 on a laser detection component 32 drives a laser detection module 325 to horizontally move and position, the circuit boards are detected in a visual detection mode through the laser detection module 325, the detected circuit boards are conveyed to a first laser marking module 361, front marking processing is carried out through the first marking module 361, when the circuit boards are conveyed to the discharging end of the laser conveying frame 331 in the first laser conveying component 33, the laser turnover motor 341 on the laser turnover component 34 drives the laser cross turnover frame 343 to rotate, and the two turnover matching neutral blocks 3431, the first laser conveying belt 335 and the second laser conveying belt 336 are arranged in a hollow manner, so that the clockwise rotating laser cross turnover frame 343 sucks a plurality of circuit boards from bottom to top and continues to rotate, so that the circuit boards are turned over onto the second laser conveying component 35 and continue to be conveyed to the second laser marking module 362, the back marking processing is performed through the second laser marking module 362, and the two-sided marking is continued to be conveyed to the conveying and connecting device 4;

(IV) conveying the single sheets: a horizontal conveying cylinder 42 in the conveying and connecting device 4 drives a lifting suction moving cylinder 44 of a horizontal conveying plate 43 on a horizontal conveying support 41 to move to the position above a circuit board at the discharge end of the laser marking device 3, the lifting suction moving cylinder 44 descends to drive a plurality of circuit board suction plates 46 to suck a plurality of circuit boards simultaneously, the horizontal conveying cylinder 42 transfers the sucked circuit boards into a plurality of linear conveying grooves 4711 on a linear conveying support 47, a linear conveying motor drives each linear conveying roller 472 to rotate and convey to the discharge end of the linear conveying support 47, a plurality of blocking cylinders 474 block and limit the plurality of circuit boards, a single conveying motor 482 in a single conveying assembly 48 drives a single conveying rotating shaft 483 to rotate, so that a single conveying groove 4851 in a single linear conveying rack 485 on a single conveying moving rack 484 is moved to be aligned with one linear conveying groove 4711, the circuit boards in the linear conveyance groove 4711 are conveyed into the singchip conveyance groove 4851 by the lowering of the moving portion of one of the resist cylinders 474, and the singchip conveyance guide roller 4852 is driven to rotate by the singchip conveyance drive motor 486 for further conveyance.

(V) labeling: the labeling device is used for labeling the circuit board and then blanking and collecting.

This equipment has solved the problem of monolithic transport through feed arrangement, is convenient for separate the polylith circuit board and carry out the simultaneous transport, promotes conveying efficiency to cooperate through the spacing cylinder of the ejection of compact and the fixed cylinder of the ejection of compact and promote the stability of positioning accuracy and location. The problems that the existing turnover device is too complex, the circuit board is easy to drop and the alarm is frequently mistaken are solved through the positioning detection device. The front and back detection assemblies are used for facilitating the detection of the circuit board and the transfer of the circuit board, so that the circuit board is more smooth, the transfer efficiency and the overall processing efficiency of the circuit board are improved, and the accumulation of the circuit board is also prevented; the transfer assembly is convenient for more circuit boards to be simultaneously sucked, and has stronger stability in the transfer process, so that the firmness of the circuit boards in the transfer process is improved; be convenient for overturn the polylith circuit board simultaneously through upset locating component to carry the deflector roll through cross roll-over stand and many upsets and insert empty setting, the structure is ingenious when saving equipment space, is convenient for absorb the upset, promotes whole upset efficiency and upset stability. The laser marking device 3 solves the problems that the assembly line is not connected, the processing efficiency is influenced and the front and back surfaces cannot be marked simultaneously due to the fact that the existing mark is marked on the laser marking position in a unified mode. Automatic detection before marking is realized through the laser detection assembly 32, so that the detection efficiency and the detection quality are improved, and the quality of a circuit board product is further ensured; the automatic turning of the assembly line is realized by the mutual cooperation of the first laser conveying component 33, the laser turning positioning component 34 and the second laser conveying component 35, so that the direct double-sided marking is facilitated, the assembly line is not required to be conveyed to a designated marking processing position for marking processing, the two turning-matching neutral positions 3431 are correspondingly matched with the first laser conveying belt 335 and the second laser conveying belt 336, the two turning-matching neutral positions 3431 are inserted into the first laser conveying belt 335 and the second laser conveying belt 336, the equipment space can be saved, the four circuit boards can be better sucked, the four circuit boards can be directly sucked in the rotating process of the laser cross-shaped turning frame 343, the pause is not required, the turning efficiency and the turning quality are improved, the double-sided marking processing is realized by the first laser marking module 361 and the second laser marking module 362 in the laser marking component 36, the laser marking efficiency and the laser marking quality are improved, and finally the overall processing efficiency and the overall processing quality are further improved. The problem of carrying the PCB circuit board singly has been solved through carrying linking device 4, has not yet put the PCB circuit board of a plurality of conveyances and has changed into single transport into, can promote the continuity of whole assembly line like this. Cooperate through horizontal transport cylinder 42 and lift absorption removal cylinder 44 and drive circuit board suction plate 46 and shift the circuit board, promote transfer efficiency and transfer precision, it carries the straight line better to be convenient for carry out through sharp conveying bracket 47 and carries the straight line to carry, and cooperate with monolithic conveying component 48 through sharp conveying bracket 47, be convenient for carry the circuit board by the polylith and shift to monolithic and carry, be convenient for follow-up better processing of labelling, it carries the pivot 483 and monolithic to carry simultaneously and remove the frame 484 to cooperate and be convenient for better carry out the shift localization, promote positioning precision, it aligns with straight line conveyer trough 4711 to be convenient for better messenger's monolithic conveyer trough 4851 is carried to the circuit board, promote the continuity of whole assembly line and promote whole machining efficiency.

Claims

1. A conveying and connecting device for automatic processing of PCB (printed circuit board) is characterized by comprising a horizontal conveying support (41), a horizontal conveying cylinder (42), a horizontal conveying plate (43), a lifting suction moving cylinder (44), a lifting suction moving plate (45), a plurality of circuit board suction plates (46), a linear conveying support (47) and a single-chip conveying assembly (48); the horizontal conveying cylinder (42) is arranged on one side of the horizontal conveying support (41), the horizontal conveying plate (43) is connected with the moving part of the horizontal conveying cylinder (42), the horizontal conveying plate (43) is arranged on the horizontal conveying support (41) through a horizontal conveying slide rail, the lifting suction moving cylinder (44) is arranged at the rear part of the horizontal conveying plate (43), the lifting suction moving plate (45) is connected with the moving part of the lifting suction moving cylinder (44), the circuit board suction plates (46) are arranged at the bottom of the lifting suction moving plate (45), and the feeding end of the linear conveying support (47) is connected with the discharging end of the horizontal conveying support (41); the single-piece conveying assembly (48) is matched with the linear conveying bracket (47) to convert the multi-piece conveying into single-piece conveying.

2. The transfer connecting device for PCB board automatic processing according to claim 1, wherein both ends of each circuit board suction plate (46) are provided with transfer circuit board suction heads (461).

3. The conveying engagement device for automatic processing of PCB board as claimed in claim 1, wherein a plurality of linear conveying partitions (471) are arranged on the linear conveying bracket (47) in a regular arrangement in the front-to-back direction, and a linear conveying groove (4711) is formed between every two linear conveying partitions (471).

4. The conveying engagement device for automatic processing of PCB circuit board as claimed in claim 1, wherein a plurality of linear conveying rollers (472) are arranged on the linear conveying bracket (47) in a regular horizontal direction, a linear conveying gear (473) is connected to the right end of each linear conveying roller (472), two adjacent linear conveying gears (473) are connected by linear conveying, one linear conveying gear (473) of the plurality of linear conveying gears (473) is connected with a linear conveying motor and is driven by the linear conveying motor.

5. The conveying engagement device for automatic processing of PCB as claimed in claim 1 wherein the discharge end of the linear conveying bracket (47) is provided with a plurality of blocking cylinders (474), each blocking cylinder (474) cooperating with a linear conveying trough (4711) formed by every two linear conveying partitions (471).

6. The conveying and joining device for the automatic processing of the PCB according to claim 1, wherein the single-chip conveying assembly (48) comprises a single-chip conveying bracket (481), a single-chip conveying motor (482), a single-chip conveying rotating shaft (483), a single-chip conveying moving frame (484) and a single-chip linear conveying frame (485); monolithic conveying support (481) level is located the ejection of compact of straight line conveying support (47) and is distolaterally, monolithic conveying motor (482) set up the left part at monolithic conveying support (481), monolithic is carried pivot (483) and is connected with monolithic conveying motor (482), and connect on monolithic conveying support (481) through the bearing, monolithic is carried and is moved frame (484) and overlap and establish on monolithic is carried pivot (483), and monolithic is carried and move frame (484) and pass through monolithic and carry and remove the setting of slide rail on monolithic conveying support (481), monolithic straight line conveying frame (485) set up on monolithic is carried and is moved frame (484).

7. The conveying and splicing device for the automatic processing of the PCB as recited in claim 6, wherein a single conveying trough (4851) is disposed on the top of the single linear conveying rack (485), a plurality of single conveying guide rollers (4852) are disposed on the single linear conveying rack (485) and are regularly arranged in the horizontal direction, a single conveying gear (4853) is connected to the right end of each single conveying guide roller (4852), a single conveying driving motor (486) is disposed in the middle of the single conveying rack (481), a single conveying driving gear (4861) is connected to the rotating shaft of the single conveying driving motor (486), and each single conveying gear (4853) and the single conveying driving gear (4861) are connected by tensioning a single conveying rack.

8. A method for conveying PCB circuit boards is characterized in that a horizontal conveying cylinder (42) drives a lifting suction moving cylinder (44) of a horizontal conveying plate (43) on a horizontal conveying support (41) to move to the position above a circuit board at the discharging end of a laser marking device, the lifting suction moving cylinder (44) descends to drive a plurality of circuit board suction plates (46) to simultaneously suck a plurality of circuit boards, the horizontal conveying cylinder (42) transfers the sucked circuit boards into a plurality of linear conveying grooves (4711) on a linear conveying support (47), a linear conveying motor drives each linear conveying roller (472) to rotate and convey to the discharging end of the linear conveying support (47), a plurality of blocking cylinders (474) block and limit the circuit boards, a single-chip conveying motor (482) in a single-chip conveying assembly (48) drives a single-chip conveying rotating shaft (483) to rotate, thereby, the single chip conveying groove (4851) in the single chip linear conveying rack (485) on the single chip conveying moving rack (484) is moved to the position aligned with one linear conveying groove (4711), the moving part of one blocking air cylinder (474) descends, the circuit board in the linear conveying groove (4711) is conveyed into the single chip conveying groove (4851), and the single chip conveying driving motor (486) drives the single chip conveying guide roller (4852) to rotate for continuous conveying.

9. An automatic PCB processing device is characterized by comprising a feeding device (1), a transferring and overturning device (2), a laser marking device (3) and a conveying and connecting device (4) as claimed in claim 1.

10. The automatic PCB processing equipment as claimed in claim 9, wherein the laser marking device (3) comprises a laser marking machine frame (31), a laser detection assembly (32), a first laser conveying assembly (33), a laser overturning assembly (34), a second laser conveying assembly (35) and a laser marking assembly (36).