CN106626734B - It is a kind of that consent and two-sided anti-welding method for printing screen are carried out using screen process press - Google Patents
It is a kind of that consent and two-sided anti-welding method for printing screen are carried out using screen process press Download PDFInfo
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- CN106626734B CN106626734B CN201510726785.5A CN201510726785A CN106626734B CN 106626734 B CN106626734 B CN 106626734B CN 201510726785 A CN201510726785 A CN 201510726785A CN 106626734 B CN106626734 B CN 106626734B
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Abstract
Consent and two-sided anti-welding method for printing screen are carried out using screen process press the present invention relates to a kind of.Wherein, screen process press includes the first screen printer of rack and the rack-mounted consent printing for realizing stock, for realizing the second screen printer of one face anti-welding printing of stock, and for the third screen printer of stock another side anti-welding printing；It is connected between first screen printer and second screen printer by the first panel turnover machine；It is connected between second screen printer and third screen printer by the second panel turnover machine；Wherein, first screen printer, the second screen printer and third screen printer include: the printing mechanism for camera shooting positioning mechanism, execution printing operation to stock shooting and automatic aligning, and the transshipment acitivity transported between the camera shooting positioning mechanism and the printing mechanism for realizing stock.The high production efficiency of printing machine of the invention, power consumption is small, and overall cost is lower, can avoid the big problem of product appearance color difference.
Description
Technical field
The present invention relates to screen printing technique fields, more specifically to a kind of consent and two-sided anti-welding screen printing
Brush machine and method for printing screen.
Background technique
With the development of society, the production of automation is the inexorable trend of all trades and professions development.And at present PCB industry from
Dynamic metaplasia production is mainly limited on the silk-screen printing technique of pcb board.Pcb board product higher for quality requirements, screen printing
A procedure in dataller's skill is to carry out consent using 1 screen printer first, then again using 2 screen printers respectively to pcb board
Two sides carries out anti-welding printing, or carries out two-sided anti-welding printing to pcb board in such a way that 1 screen printer is by artificial turnover panel.
Currently, usually operate 3 automanual screen printers respectively by 3 people in industry realize pcb board consent and two-sided anti-welding print
Brush；Wherein, 1 people implements the semi-automatic printing operation of jack process, and other 2 people then implements the semi-automatic print of two-sided solder resistance process
Brush operation.This kind of production method is automanual production, and production efficiency is low, the large labor intensity of operator, the production of product
Operator can be depended entirely on, and has artificial participation in operating process, influence the quality of product can by a degree of.Separately
Outside, power consumption is big, and the speed of product is low out.Even if certain customers realize that this is wanted using full-automatic production technology
It asks, is also to realize the requirement of this technique using consent and double-face spray painting method and corresponding equipment, double-face spray painting equipment
Purchase cost is high, and the use cost of ink is very high, and cleans that the shared time is longer, product appearance color difference is larger, influences to produce
The exterior quality of product.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the drawbacks of the prior art, a kind of consent and two-sided anti-is provided
The screen process press and method for printing screen of weldering, the high production efficiency of this kind of printing machine can effectively reduce the work of labour personnel
Intensity, power consumption is small, and its overall cost is lower, and can avoid the big problem of product appearance color difference.
The technical solution adopted by the present invention to solve the technical problems is: providing a kind of consent and two-sided anti-welding screen printing
Brush machine, including rack and the rack-mounted consent for realizing stock print the first screen printer, for realizing
Second screen printer of the one face anti-welding printing of stock, and the third silk-screen for the stock another side anti-welding printing
Machine；It is connected between first screen printer and second screen printer by the first panel turnover machine；Second screen printer and described
It is connected between third screen printer by the second panel turnover machine；
Wherein, the first screen printer, the second screen printer and third screen printer include: for stock shooting and automatic right
The camera shooting positioning mechanism of position, the printing mechanism for executing printing operation, and for realizing stock in the camera shooting positioning mechanism
The transshipment acitivity transported between the printing mechanism.
In one embodiment, the printing mechanism includes: wire mark workbench, is fixed in the rack；Print lifting group
Part is fixed in the rack, is equipped with web plate thereon；Frame unit is mounted on described with being reciprocally moveable along the vertical direction
It prints on lifting assembly；Print engine head component is mounted in the frame unit with being reciprocally moveable in the horizontal direction；And net
Plate automatic aligning component is mounted between the printing lifting assembly and the rack, for realizing automatic aligning to web plate.
In one embodiment, second screen printer and the third screen printer further include from the receiver for moving specification
Structure；Wherein, the material receiving mechanism is arranged in the camera shooting positioning mechanism, and the relatively described rack is removable；The receiver
Structure includes multiple slidable midfoot support elements and technique edges support plate；
Second screen printer and the third screen printer further include at least one ink wiping mechanism；At least one described wiping
Mechanism includes wiping driving assembly, and the wiping head being drivingly connected with the wiping driving assembly；The wiping head is along vertical
Direction and horizontal direction are removable.
In one embodiment, bottom plate and surrounding are installed on the wire mark workbench and transshipment acitivity of first screen printer
Coaming plate is installed；Emptiness avoiding hole of the size greater than the size in the hole for executing consent printing needed for stock is offered on the bottom plate；
It is equipped with and encloses around the wire mark workbench and transshipment acitivity of second screen printer and the third screen printer
Plate and centre are equipped with nail bed.
In one embodiment, the web plate automatic aligning component includes contraposition pedestal, and is mounted on the contraposition pedestal
On active to level controller and passively to level controller；
Wherein, the active to level controller and it is described include passively controller pedestal to level controller, along first party
To the first slide unit being slidably mounted on the controller pedestal, and it is slidably attached at described in a second direction
The second slide unit on one slide unit；
The active is to the driving motor that level controller further includes for driving the first slide unit sliding.
In one embodiment, the camera shooting positioning mechanism includes camera assembly, camera shooting position automatic aligning component, and installation
It is described camera shooting position automatic aligning component on for stock carrying to bit platform；
First screen printer further includes feeding mechanism and feeding limit mechanism；Wherein, the feeding mechanism is fixed on
In rack；The feeding limit mechanism is mounted on described on bit platform and described by camera shooting position automatic aligning component
Feeding limit mechanism is connect with the feeding mechanism.
In one embodiment, the transshipment acitivity includes transhipment substrate, transhipment ontology and stationary fixture；Wherein, described
Transport substrate slidable connection on the rack；The transhipment ontology is mounted on the transhipment substrate, and opposite along the vertical direction
The transhipment substrate is removable；
The stationary fixture include collet, with the collet be sequentially connected to drive the collet back and forth to move along the vertical direction
Dynamic collet telescopic component, setting element and the setting element is sequentially connected to drive the setting element along the vertical direction
The setting element lifting assembly of reciprocating movement, and driven respectively with the collet telescopic component and the setting element lifting assembly
The clamping driving assembly of dynamic connection.
In one embodiment, first panel turnover machine and second panel turnover machine include turnover bracket, turnover mechanism,
From move specification mechanism, gripping body and overturning walking mechanism；Wherein, the turnover bracket is mounted on the rack；Institute
Turnover mechanism is stated to be slidably mounted on the turnover bracket by the overturning walking mechanism；It is described to move the installation of specification mechanism certainly
On the turnover mechanism, and the gripping body be installed on it is described from moving in specification mechanism；The gripping body includes can
Relatively close or separate the first clamping portion and the second clamping portion.
In order to solve the technical problem, the present invention also provides consent and two-sided anti-welding method for printing screen, aforementioned is used
Screen process press described in one executes, comprising steps of
S1, tune machine is carried out to the first screen printer, the second screen printer and third screen printer；
S2, stock charging, the first screen printer realize camera shooting contraposition to stock by camera shooting positioning mechanism；
S3, stock are transported on the wire mark workbench of the first screen printer, and by the printing mechanism of the first screen printer into
The printing of row consent；
S4, the first panel turnover machine clamp the stock printed, and stock overturning is placed on to the splicing of the second screen printer
In mechanism；
S5, the second screen printer realize camera shooting contraposition to stock by camera shooting positioning mechanism；
S6, stock are transported on the wire mark workbench of the second screen printer, and by the printing mechanism of the second screen printer into
The anti-welding printing in one face of row stock；
S7, the second panel turnover machine clamp the stock printed, and stock overturning is placed on to the splicing of third screen printer
In mechanism；
S8, third screen printer realize camera shooting contraposition to stock by camera shooting positioning mechanism；
S9, stock are transported on the wire mark workbench of third screen printer, and by the printing mechanism of third screen printer into
The anti-welding printing of row stock another side.
In one embodiment, the step S11 comprising steps of
S11, one group of target image is set on the substrate, and stock is clamped in on bit platform；
S12, camera shoot stock, and obtain the location information of one group of target image on stock, will
The location information stores in a control unit as fiducial reference position information；
S13, the stock after acquisition location information in step S12 is transported on wire mark workbench；
S14, stock is printed using the web plate of first successive step, and stock is transported back to bit platform；
S15, camera shoot stock, and obtain the printing position information of pattern, calculate printing position information
With the relative standard deviation values of fiducial reference position information, controls web plate and automatic aligning occurs, so that web plate target image and stock
On target image registration in default accuracy rating.
Implement consent of the invention and two-sided anti-welding screen process press and method for printing screen, has the advantages that
Its by the automatic connecting of three screen printers and two tippers realize pcb board consent and two-sided anti-welding printing, and
The front end of the screen process press, which can carry out docking with automatic assembly line, realizes automatic feed, and the rear end of screen process press is provided with
Discharging mechanism can carry out docking with the automated production equipment of subsequent technique and realize self-emptying, so that the transfer matic of PCB production
Energy line success, therefore can realize " three machines printing, primary to toast ", the production capacity of raising PCB producer and the quality of product and produce
The speed of product reduces the daily operating cost of PCB producer.The conversion of its stock specification is convenient, and wire mark non-cutting time is short, raw
Produce high-efficient, speed is fast, can effectively reduce the working strength of labour personnel.In addition, its device structure is compact, occupied area is small,
High degree of automation, power consumption is small, and can avoid the big problem of product appearance color difference.Human intervention is not necessarily in normal productive process
Adjustment, it is easy to operate, therefore one or more production line can be responsible in a people during normal production, the quality of product is improved,
Reduce number of devices, reduces ink consumption amount and other costs.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural schematic diagram of the consent and two-sided anti-welding screen process press in one embodiment of the invention；
Fig. 2 is the partial structure diagram of the screen process press in Fig. 1；
Fig. 3 is the structural schematic diagram of the transshipment acitivity in the first screen printer in Fig. 1；
Fig. 4 is the partial enlargement diagram of part A in Fig. 3；
Fig. 5 is the structural schematic diagram of the stationary fixture in Fig. 3；
Fig. 6 is the structural schematic diagram of the web plate automatic aligning component in the first screen printer in Fig. 1；
Fig. 7 is structural schematic diagram of the active in Fig. 6 to level controller；
Fig. 8 is the passive structural schematic diagram to level controller in Fig. 6；
Fig. 9 is the partial structure diagram of the tipper in Fig. 1；
Figure 10 is the partial enlargement diagram at the B in Fig. 9；
Figure 11 is the flow chart of the consent and two-sided anti-welding method for printing screen in one embodiment of the invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1-2 shows consent and two-sided anti-welding screen process press in one embodiment of the invention.As shown in Figs. 1-2,
The screen process press includes control unit (not shown), rack 1, and three screen printers (first be mounted in the rack 1
Print machine 2, the second screen printer 5 and third screen printer 7) He Liangtai panel turnover machine (the first panel turnover machine 4 and the second panel turnover machine 6).Wherein,
One screen printer 2, the first panel turnover machine 4, the second screen printer 5, the second panel turnover machine 6, third screen printer 7 are sequentially connected with.
Specifically, the first screen printer 2 prints for realizing the consent of stock (not shown).First panel turnover machine 4 is for pressing from both sides
The stock for taking the first screen printer 2 to print is placed on the second screen printer 5 after overturning, and is held by the realization of the second screen printer 5
Print the anti-welding printing of object one side.Then, the second panel turnover machine 6 clamps the good stock of a face anti-welding printing, and the is placed on after overturning
On three screen printers 7, and pass through the anti-welding printing of the realization stock another side of third screen printer 7.What third screen printer 7 printed holds
Print object will be automatically transported in the next process of production line by discharging mechanism 76.
Specifically, in the present embodiment, referring to Fig. 1-2, first screen printer 2 generally include camera shooting positioning mechanism 21,
Printing mechanism 23, and the transshipment acitivity transported between camera shooting positioning mechanism 21 and printing mechanism 23 for realizing stock
22。
In the present embodiment, camera shooting positioning mechanism 21 includes camera assembly 211, images position automatic aligning component 212, and
Be mounted on the camera shooting position automatic aligning component 212 to bit platform (not labeled).Wherein, camera assembly 211 includes being fixed on
Camera shooting mounting rack (not labeled) in rack 1 and the camera (not shown) being mounted in the rack.Wherein, camera is used for
The target image on pcb board is captured, and then assists the automatic aligning of the camera shooting position automatic aligning component 212.In the present embodiment,
The camera is preferably CCD camera.Rack 1 is further installed at by the camera shooting position automatic aligning component 212 to bit platform
On, so that automatic aligning can be realized to the stock on bit platform by being carried on this.Wherein, the camera shooting position automatic aligning component
The structure of 212 specific structure and web plate automatic aligning component 235 hereinafter is substantially the same.
Fig. 3-5 shows the specific structure of the transshipment acitivity 22 in one embodiment of the invention.As in Figure 3-5, the transhipment
Mechanism 22 specifically includes transhipment substrate 221, transhipment ontology 222 and stationary fixture 223.Wherein, the transhipment substrate 221 is for example logical
Cross sliding rail and sliding block cooperation mode slidable connection in rack 1, thus can drive entire transshipment acitivity 22 can in rack 1
Sliding transports stock between camera shooting positioning mechanism 21 and printing mechanism 23.Such as in the embodiment shown in fig. 3,
The settable sliding rail 11 in rack 1, and make the sliding block that setting cooperates with the sliding rail 11 on transhipment substrate 221 to realize.Transhipment
Ontology 222 is mounted on the transhipment substrate 221, and removable with respect to the transhipment substrate 221 along the vertical direction.Therefore, it is needing
When supporting stock, transhipment ontology 222 can be risen along the vertical direction；And when needing to be detached from stock, it can will transport ontology
222 decline along the vertical direction.
Stationary fixture 223 specifically includes collet telescopic component 223a, liftable collet 223b, setting element 223c, determines
Bit unit lifting assembly 223d and clamping driving assembly 223e.Wherein, the collet telescopic component 223a and collet 223b is driven
Connection, for driving collet 223b to move back and forth along the vertical direction, thus makes collet 223b be telescopically disposed in transhipment ontology
In 222.Wherein, collet 223b can be hook.In addition, collet 223b can also for example be led by horizontal power cylinder and level
The movement of horizontal direction occurs relative to transhipment ontology 222 for rail.Therefore, by adjusting the horizontal position and upright position of collet 223b
Stock can be clamped on the transshipment acitivity 22.
Setting element 223c is arranged in the transhipment ontology 222, and is sequentially connected with setting element lifting assembly 223d, by
This can be moved back and forth along the vertical direction under the drive of setting element lifting assembly 223d.In addition, setting element 223c can also lead to
Cross the reciprocating movement that horizontal direction occurs for the opposite transhipment ontology 222 of horizontal guide rail.Settable two positioning member in the present embodiment
Thus part 223c is suitable for location hole apart from different different rule by adjusting the distance between two setting element 223c
Printing positioning (but the product of same specifications and models, the precision model that the distance between location hole error allows in product of panel
In enclosing, and location hole is consistent relative to the relative position of target pattern), and make setting element 223c can be smoothly inserted into or
Person exit in the consistent location hole in target image relative position.Wherein, clamping driving assembly 223e can be flexible with collet respectively
Component 223a and setting element lifting assembly 223d respectively drive connection.
Further as shown in Figs. 1-2, printing mechanism 23 then includes wire mark workbench 231, printing lifting assembly 232, screen frame
Component 233 and print engine head component 234.Wherein, wire mark workbench 231 is fixed in rack 1.The installation of web plate (not shown)
On the printing lifting assembly 232, and prints lifting assembly 232 and machine is further fixed on by web plate automatic aligning component 235
On frame 1, the automatic aligning of web plate thus can be realized by web plate automatic aligning component 235, guarantee printed patterns with respect to stock
Consistency, while also can guarantee printing precision.Frame unit 233 is mounted on printing and rises with being reciprocally moveable along the vertical direction
It comes down to a lower group on part 232, and print engine head component 234 is mounted on the frame unit 233 with being further reciprocally moveable in the horizontal direction
On.Therefore, print engine head component 234 can occur in the horizontal direction for example, by the driving of motor relative to the frame unit 233
Move back and forth, and by means of frame unit 233 on printing lifting assembly 232 reciprocating movement along the vertical direction and synchronize hair
Raw lifting.
Wherein, print engine head component 234 specifically includes print engine head (not shown) and printing machine frame (not in the present embodiment
Label).Print engine head can move back and forth along the vertical direction with respect to the printing machine frame, thus can realize relevant silk-screen printing (example
As being in the present embodiment consent silk-screen printing).
In the present embodiment, mentioned " installing with being reciprocally moveable " can be for example, by can be through sliding rail and sliding block
Between the realization that is slidably matched, or realized such as by straight-line motion mechanism feed screw nut or rack-and-pinion.
In the present embodiment, fool proof positioning pin is also provided on wire mark workbench 231.
In the present embodiment, referring to shown in Fig. 6-8, which specifically includes contraposition pedestal 235a
And active on contraposition pedestal 235a is mounted on to level controller 235b and passively to level controller 235c.Wherein, at this
There are three actively to level controller 235b and one passively to level controller 235c, four controllers are set respectively for setting in embodiment
It sets at the corner location of contraposition pedestal 235a, and level controller is arranged in parallel along equidirectional for two actives, for controlling
The web plate movement and contraposition on first direction (not shown) in the horizontal plane；And another active to level controller then with respect to before
Level controller is arranged along 90 ° of directions for two actives, for controlling the web plate second party vertical with first direction in the horizontal plane
Movement and contraposition on (not shown).
It in the present embodiment, include actively controller pedestal 253b-1, the first slide unit to level controller 235b referring to Fig. 7
235b-2, the second slide unit 235b-3 and driving motor 235b-4.Wherein, in the present embodiment, the first slide unit 235b-2 is along
One direction is slidably attached on controller pedestal 253b-1, and the second slide unit 235b-3 can further be slided in a second direction
It is connected on the first slide unit 235b-2 dynamicly；Driving motor 235b-4 is for example connected by feed screw nut and the first slide unit 235b-2
It connects.Therefore, driving motor 235b-4 can drive the first slide unit 235b-2 along first direction relative controller pedestal by screw rod
235b-1 sliding, and the second slide unit 235b-3 is slided with respect to the first slide unit 235b-2 in a second direction.
In the present embodiment, referring to Fig. 8, passively to the structure of level controller 235c with actively to level controller 235b phase
Seemingly, including controller pedestal 235c-1, the first slide unit 235c-2 and the second slide unit 235c-3, difference, which is only that, is not provided with
Independent driving motor.
In the present embodiment, the feed end of first screen printer 2 is additionally provided with feeding mechanism 24.The feeding mechanism 24 is fixed
It is roller type feeding mechanism, including multiple idler wheels in rack 1.In addition, charging may further be provided on to bit platform
Position-limit mechanism 25.The feeding limit mechanism 25 is connected to the discharge end of feeding mechanism 24, for tentatively being limited to stock,
Stock is set to be substantially at the entirely center to bit platform.Due to being provided with camera shooting position automatic aligning in contraposition mesa base
Component 212, therefore being mounted on this can also be by means of the camera shooting position automatic aligning component to the feeding limit mechanism 25 on bit platform
212 and move it relative to rack 1, thus can make camera assembly in conjunction with control unit (not shown) to realize stock
Automatic aligning in camera shooting position.
In this embodiment, it is preferred that the bottom plate 26 corresponding to product specification is installed on wire mark workbench 231, and
And emptiness avoiding hole (not shown) is provided on bottom plate 26.Wherein, the size of emptiness avoiding hole, which is greater than needed for stock, executes consent printing
Hole size, to ensure the effect of consent, and prevent ink contamination printing table, keep the cleaning of printing table.In addition,
Preferably, coaming plate 27 is also equipped with around wire mark workbench 231, for being limited to stock, balance web plate by
Thus power simultaneously protects web plate.Wherein, corresponding coaming plate (not shown) is also installed and is had at the both ends of transshipment acitivity 22 and kept away
The bottom plate of emptying aperture.
The working principle of first screen printer 2 is introduced briefly below.
Tune machine is carried out firstly the need of to first screen printer 2.It adjusts machine process as follows:
1) stock (pcb board to be processed) is placed on feeding limit mechanism 25 first, passes through the charging position restrainer
Structure 25 makes stock limit the center at this to bit platform.
2) then, adjusting camera assembly 221 makes camera that can capture one group of target image on stock, and by taking the photograph
As the location information of shooting this group of target image of acquisition of head, which is stored as fiducial reference position information.
3) by correspond to the specification stock bottom plate (offering consent emptiness avoiding hole) be mounted on transshipment acitivity 22 and
On wire mark workbench 231, and run to the transshipment acitivity 22 at camera shooting positioning mechanism 21 (below camera shooting mounting rack).It adjusts
Coaming plate around whole transshipment acitivity 22 simultaneously fixes coaming plate；Stock is clamped using transshipment acitivity 22, and is transported to wire mark work
Make on platform 231.
4) position of 231 surrounding coaming plate of wire mark workbench, and fixed coaming plate are adjusted according to the position of stock, it thus can be complete
At the adjustment of coaming plate.
5) web plate is mounted on printing lifting assembly 232, and drops to web plate at printing position, manually first successive step net
Position of the plate relative to stock makes pattern corresponding with target image on web plate visually see location error in about 1mm model
In enclosing, and web plate is fixed.
6) ink is added and executes printing movement.Web plate is risen after being completed for printing, transshipment acitivity 22 continues to clamp at this time
Stock returns directly to below camera shooting mounting rack.
7) it is shot again using camera, the pattern for obtaining screen printing is analyzed, and controller unit meter is utilized
The relative standard deviation values of the printed patterns with the fiducial reference position information previously obtained are calculated, it is automatic then to issue instruction control web plate
Contraposition component 235 controls web plate and moves, and the registration of the target image on web plate target image and stock is thus made to exist
It is substantially completely overlapped in default accuracy rating with realizing.
After completing tune machine to the first screen printer 2 by above-mentioned seven steps, that is, the first screen printer 2 can be used and carry out normally
Production.The protective film that artificially attaches on the substrate when the machine of tune is removed first before manufacture, then by the stock be placed on into
Automatic feed is carried out in material mechanism 24.Stock is set to limit the centre bit at this to bit platform substantially by feeding limit mechanism 25
It sets, and is shot by camera, and automatic aligning is executed using camera shooting position automatic aligning component 212, guarantee that stock exists
When printing in the consistency of relative position and transport process relative position consistency.It then will by transshipment acitivity 22
Stock through having aligned is transported on wire mark workbench 231, and web plate is declined and passes through the transshipment acitivity 22 and continues to support this
Stock completes printing.After being completed for printing, web plate is risen, transshipment acitivity 22 unclamps the stock printed, and retracts
To camera shooting mounting rack, feeding is carried out to next stock.Meanwhile another transshipment acitivity is moved at wire mark workbench 231,
Clamp the stock that has printed and be transported to the going out in material position of the first screen printer 2, with execute it is next during automatic metaplasia
It produces.
Fig. 1-2 further illustrates the structure of the first panel turnover machine 4 in one embodiment of the invention.Wherein, first turnover panel
The both ends of machine 4 can be connected respectively to the first screen printer 2 and the second screen printer 5 by connector 3.Referring to Fig. 1-2, in conjunction with Fig. 9-
10, the first panel turnover machine 4 generally include turnover bracket 41, turnover mechanism 42, move certainly specification mechanism 43, gripping body 44 and
Overturn walking mechanism 45.Wherein, turnover bracket 41 is mounted in rack 1, and turnover mechanism 42 passes through the overturning walking mechanism 45
It is slidably mounted on turnover bracket 41.It is mounted on turnover mechanism 42 from specification mechanism 43 is moved, and gripping body 44 into one
Step is mounted on this from the side for moving specification mechanism 43.The gripping body 44 may include two gripping arm (not labeled), and each
It is provided with the first clamping portion 441 and the second clamping portion 442 in gripping arm, passes through the first clamping portion of control 441 and the second clamping
Portion 442 is relatively close to each other or separate and realize clamping or release of the gripping body 44 to stock.
It in the present embodiment, should be from specification mechanism 43 be moved for adjust automatically two clampings according to the specification of stock
The distance between arm, in order to clamp stock.
The working principle of first panel turnover machine 4 is introduced briefly below.The stock after having carried out consent printing is being received,
Moving specification mechanism 43 certainly at this time will make clamping limb bringing together and clamp stock.After stock clamping, tipper
Structure 42 will clip stock and carry out the overturning of 180 degree, while overturning walking mechanism 45 and completing 180 degree overturning in the turnover mechanism 42
The same time in by the stock be transported to the second screen printer 5 from the material receiving mechanism 54 for moving specification, and by stock
It unclamps.Therefore, the stock for having been carried out consent printing can be carried out by the overturning of 180 degree using first panel turnover machine 4 and turned
Fortune.
Fig. 1-2 shows further the structure of the second screen printer 5.Wherein, the basic structure of second screen printer 5 and first
The structure of screen printer is substantially the same, including camera shooting positioning mechanism 51, transshipment acitivity 52 and printing mechanism 53.Wherein, the camera shooting
Positioning mechanism 51 includes camera assembly and camera shooting position automatic aligning component.And printing mechanism 53 then includes wire mark workbench, printing
Lifting assembly, frame unit, print engine head component and wire mark automatic aligning component.Itself the difference lies in that the second screen printer 5 simultaneously
Not set feeding mechanism 24 and feeding limit mechanism 25, but the second screen printer 5 is additionally provided with and is used to support from the first panel turnover machine 4
The material receiving mechanism 54 for moving specification certainly of the stock of transhipment, and for blowing net bottom ink off to keep workbench clean
At least one ink wiping mechanism 55.
Wherein, which is mounted on wire mark workbench, including wiping head (not shown) and wiping driving group
Part (not shown).Wherein, wiping head and the wiping driving assembly are drivingly connected, and can be real under the drive of the wiping driving assembly
Lifting now along the vertical direction and movement in the horizontal direction.Wherein, lifting along the vertical direction can by cylinder driving come
It realizes, and walking in the horizontal direction can be oriented to realize by motor driven linear guide.In the present embodiment, control unit
The frequency of net bottom wiping movement can be set, such as control executes a net bottom wiping movement after printing N (N >=1) is secondary, thus
It can keep the cleaning of wire mark workbench.Wherein, the specific value of N can be set according to actual needs.
It, can be according to the rule of stock from the material receiving mechanism 54 of specification is moved between the first panel turnover machine 2 and transshipment acitivity
Lattice, which are realized, moves specification certainly to be used to support stock, and realizes automatic aligning by camera shooting positioning mechanism after support.Wherein,
The material receiving mechanism 54 setting, and can the opposite generation horizontal direction of rack 1 and vertical direction on camera shooting position automatic aligning component
It is mobile.Material receiving mechanism includes multiple slidable midfoot support elements (being not shown, such as supporting pin etc.) and technique edges support
Plate.Wherein, technique edges support plate can be adjusted to corresponding position and fixation according to stock specification, be used to support around stock
Technique edges.Midfoot support element is freely slidable at the position for allowing to be supported on stock, for carrying out to stock
Support.When using this material receiving mechanism, effective printing surface of stock will not be damaged during support, it is ensured that print after support
The quality of brush product.
In the present embodiment, for the mode of printing of anti-welding printing, the both ends of transshipment acitivity are equipped with coaming plate, and
Nail bed is installed among transshipment acitivity.In addition, equally being enclosed equipped with coaming plate around corresponding wire mark workbench, and in wire mark
Nail bed is provided in the middle part of workbench.It by this structure, can make to remain with gap between stock and bottom plate, prevent from printing
Ink contamination printing table in journey, and it has been effectively protected effective printing surface that previous process has printed ink.
The tune machine mode of second screen printer 5 is generally identical with the first screen printer 2.Its difference is, at the beginning,
The position for needing to adjust midfoot support element according to the specification of stock, support component adjustment, which is placed into stock, to allow to prop up
The position of support, and technique edges support plate is adjusted to corresponding position, to wait the first panel turnover machine 4 that stock is turned to this
On material receiving mechanism 54.Therefore, at work, stock is transported on material receiving mechanism 54 by the first panel turnover machine 4, then passes through camera shooting
Positioning mechanism realizes the camera shooting contraposition of product, is transported on wire mark workbench after the completion of contraposition by transshipment acitivity, to realize this
The anti-welding printing of stock.
Second panel turnover machine 6 is identical with the structure of the first panel turnover machine 4, no longer describes herein.
Fig. 1-2 further illustrates the structure of third screen printer 7.The wherein structure of third screen printer 7 and the second screen printer 5
Structure be substantially the same, include camera shooting positioning mechanism 71, transshipment acitivity 72 and printing mechanism 73, material receiving mechanism 74 and scrape
Black mechanism 75.In addition, third screen printer 7 is also additionally provided with from the discharging mechanism 76 for moving specification.Wherein, the discharging mechanism 76
It is connected to going out in material position for third screen printer 7, for realizing the self-emptying of stock, and is realized certainly with the equipment of subsequent processing
Dynamicization docking.The discharging mechanism 76 is preferably roller type discharging mechanism.
It is introduced below in conjunction with attached drawing 11 and consent and two-sided anti-welding silk-screen printing is carried out to product using the screen process press
Process and method.Wherein, the method for printing screen specifically includes the following steps:
S1, tune machine is carried out to the first screen printer 2, the second screen printer 5 and third screen printer 7；
S2, stock charging, the first screen printer 2 realize camera shooting contraposition to stock by camera shooting positioning mechanism；
S3, stock are transported on the wire mark workbench of the first screen printer 2, and pass through the printing mechanism of the first screen printer 2
Carry out consent printing；
S4, the first panel turnover machine 4 clamp the stock printed, and stock overturning is placed on connecing for the second screen printer 5
Expect in mechanism；
S5, the second screen printer 5 realize camera shooting contraposition to stock by camera shooting positioning mechanism；
S6, stock are transported on 5 wire mark workbench of the second screen printer, and are carried out by the printing mechanism of the second screen printer
The anti-welding printing in one face of stock；
S7, the second panel turnover machine 6 clamp the stock printed, and stock overturning is placed on connecing for third screen printer 7
Expect in mechanism；
S8, third screen printer 7 realize camera shooting contraposition to stock by camera shooting positioning mechanism；
S9, stock are transported on 7 wire mark workbench of third screen printer, and by the printing mechanism of third screen printer 7 into
The anti-welding printing of row stock another side.
Wherein, in step sl, each tune machine step can be divided into step in detail below again:
S11, one group of target image is set on the substrate, and stock is clamped in on bit platform；
S12, camera shoot stock, and obtain the location information of one group of target image on stock, will
The location information stores in a control unit as fiducial reference position information；
S13, the stock after acquisition location information in step S12 is transported on wire mark workbench；
S14, stock is printed using the web plate of first successive step, and stock is transported back to bit platform；
S15, camera shoot stock, and obtain the printing position information of pattern, calculate printing position information
With the relative standard deviation values of fiducial reference position information, controls web plate and automatic aligning occurs, so that web plate target image and stock
On target image registration in default accuracy rating.
Wherein, in step s 11, for the first screen printer 2, stock is clamped in contraposition by feeding limit mechanism 27 and puts down
On platform；And for the second screen printer 5 and third screen printer 7, stock then passes through material receiving mechanism and is clamped on wire mark workbench.
In the above-described embodiments, three screen printers have been all made of Double tabletop automatic aligning (i.e. camera shooting position automatic aligning and print
Brush the web plate automatic aligning of position).However, web plate can also be using the side manually adjusted according to other embodiments of the invention
Formula realizes contraposition, and the precision of this method is relatively relatively low and required adjusting machine time is longer.
Using consent provided by the invention and two-sided anti-welding screen process press and method for printing screen, pass through three silks
The automatic connecting of print machine and two tippers realize pcb board consent and two-sided anti-welding printing, and the screen process press
Front end can carry out docking with automatic assembly line and realize automatic feed, and the rear end of screen process press is provided with discharging mechanism, can
Dock with the automated production equipment of subsequent technique and realizes self-emptying, the transfer matic line success that PCB is produced,
Therefore it can realize " three machines printing, primary to toast ", improve the production capacity of PCB producer and the quality of product and the out speed of product, drop
The low daily operating cost of PCB producer.The conversion of its stock specification is convenient, and wire mark non-cutting time is short, high production efficiency, speed
Degree is fast, can effectively reduce the working strength of labour personnel.In addition, its device structure is compact, occupied area is relatively small, automation
Degree is high, and power consumption is small, and can avoid the big problem of product appearance color difference.Human intervention tune is not necessarily in normal productive process
It is whole, it is easy to operate, therefore one or more production line can be responsible in a people during normal production, the quality of product is improved, is subtracted
Lack number of devices, reduces ink consumption amount and other costs.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, such as automatic aligning component only is set in camera shooting position, and web plate and production are realized using screen frame micro-adjusting mechanism in printing position
The chromatography of product adjusts contraposition；Within these are all belonged to the scope of protection of the present invention.
Claims (2)
1. a kind of carry out consent and two-sided anti-welding method for printing screen using screen process press, wherein the screen process press packet
Including rack and the first screen printer of the rack-mounted consent printing for realizing stock hold for realizing described
Print the second screen printer of one face anti-welding printing of object, and the third screen printer for the stock another side anti-welding printing；Institute
It states and is connected between the first screen printer and second screen printer by the first panel turnover machine；Second screen printer and the third silk
It is connected between print machine by the second panel turnover machine；First screen printer, the second screen printer and third screen printer include: for pair
Stock shooting and the camera shooting positioning mechanism of automatic aligning, the printing mechanism for executing printing operation, and for realizing stock
The transshipment acitivity transported between the camera shooting positioning mechanism and the printing mechanism；It is characterized in that, the silk-screen printing side
Method includes the following steps:
S1, tune machine is carried out to the first screen printer, the second screen printer and third screen printer；
S2, stock charging, the first screen printer realize camera shooting contraposition to stock by camera shooting positioning mechanism；
S3, stock are transported on the wire mark workbench of the first screen printer, and are filled in by the printing mechanism of the first screen printer
Hole printing；
S4, the first panel turnover machine clamp the stock printed, and stock overturning is placed on to the material receiving mechanism of the second screen printer
On；
S5, the second screen printer realize camera shooting contraposition to stock by camera shooting positioning mechanism；
S6, stock are transported on the wire mark workbench of the second screen printer, and are held by the printing mechanism of the second screen printer
Print the anti-welding printing in one face of object；
S7, the second panel turnover machine clamp the stock printed, and stock overturning is placed on to the material receiving mechanism of third screen printer
On；
S8, third screen printer realize camera shooting contraposition to stock by camera shooting positioning mechanism；
S9, stock are transported on the wire mark workbench of third screen printer, and are held by the printing mechanism of third screen printer
Print the anti-welding printing of object another side.
2. according to claim 1 carry out consent and two-sided anti-welding method for printing screen using screen process press, special
Sign is, the step S1 comprising steps of
S11, one group of target image is set on the substrate, and stock is clamped in on bit platform；
S12, camera shoot stock, and obtain the location information of one group of target image on stock, by the position
Confidence breath stores in a control unit as fiducial reference position information；
S13, the stock after acquisition location information in step S12 is transported on wire mark workbench；
S14, stock is printed using the web plate of first successive step, and stock is transported back to bit platform；
S15, camera shoot stock, and obtain the printing position information of pattern, calculate printing position information and base
Automatic aligning occurs for the relative standard deviation values of quasi- reference position information, control web plate, so that on web plate target image and stock
The registration of target image is in default accuracy rating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510726785.5A CN106626734B (en) | 2015-10-30 | 2015-10-30 | It is a kind of that consent and two-sided anti-welding method for printing screen are carried out using screen process press |
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| CN201510726785.5A CN106626734B (en) | 2015-10-30 | 2015-10-30 | It is a kind of that consent and two-sided anti-welding method for printing screen are carried out using screen process press |
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| CN106626734B true CN106626734B (en) | 2019-03-29 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364223A (en) * | 2017-08-07 | 2017-11-21 | 珠海市臻成网印机械有限公司 | Mult-functional printing press |
| CN108116030B (en) * | 2018-01-30 | 2023-12-22 | 鹤山市泰利诺电子有限公司 | Novel PCB silk screen printing machine |
| CN108372710B (en) * | 2018-01-30 | 2024-05-14 | 鹤山市泰利诺电子有限公司 | High-precision screen printing table positioning system |
| CN108112174A (en) * | 2018-02-01 | 2018-06-01 | 江西景旺精密电路有限公司 | A kind of automatic consent of PCB and printing process and system |
| CN112437541B (en) * | 2020-11-04 | 2022-08-23 | 江西旭昇电子有限公司 | Manufacturing method of nail bed plate of printed circuit board anti-welding single-table-board full-automatic production line |
| CN112996263B (en) * | 2021-02-25 | 2022-02-08 | 梅州市格兰沃电子有限公司 | Full-automatic CCD counterpoint circuit board double-sided printing production line |
| CN114364140B (en) * | 2022-03-11 | 2022-06-03 | 四川英创力电子科技股份有限公司 | Resin hole plugging device and method for double-sided back-drilling printed circuit board |
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| CN203739395U (en) * | 2014-03-01 | 2014-07-30 | 重庆航凌电路板有限公司 | PCB supporting fixing frame |
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