CN105328980A - Screen printing device - Google Patents
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- CN105328980A CN105328980A CN201410397166.1A CN201410397166A CN105328980A CN 105328980 A CN105328980 A CN 105328980A CN 201410397166 A CN201410397166 A CN 201410397166A CN 105328980 A CN105328980 A CN 105328980A
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Abstract
The invention provides a screen printing device which comprises a work tabletop, a gas control unit, load transferring mechanisms, a printing head mechanism and measuring and locating mechanisms. The work tabletop is provided with two channels matched with the load transferring mechanisms, wherein the load transferring mechanisms pass the two channels. The gas control unit controls gas for gas floatation, so that upward exhausting and downward gas suction are performed at the same time, and a working piece is stably supported above the work tabletop in a gas floatation manner. The printing head mechanism is arranged above a printing tabletop of the work tabletop, scrapers of the printing head mechanism stride over four foot columns on the outer side of the printing tabletop left and right, and in the printing process, the printing tabletop moves upwards towards the scrapers so that the printing accuracy can be improved. Screen lifting devices arranged on the foot columns are used and screens are driven through preset actions to conduct single screen lifting operation or synchronous screen lifting operation. The parallelism between the scrappers and the printing tabletop can be measured through the measuring and locating mechanisms, so that the best parallelism position between the scrappers and the printing tabletop can be obtained. Therefore, the screen printing device has the beneficial effects of being high in printing accuracy, efficiency, pass percent, accuracy and the like.
Description
Technical field
The present invention relates to a kind of screen printing apparatus, espespecially a kind of screen printing apparatus for high precision printing.
Background technology
Press, it is as follows that existing screen printing apparatus has shortcoming:
(1) when printer's workpiece is carried in air supporting mode, upwards discharge because pneumatically supported air is only unidirectional, make the work package under air supporting state easily produce skew, and reduce stability, very cause and cause collision and damage.
(2) printing scraper is usually driven by cantilever or four posts and republish work package after the large segment distance of bottom offset one.Cantilever be with four-column type in conjunction with pneumatic cylinder to make lifting moving, printing scraper crosses between cantilever, because the central span of four posts is very large, when printing scraper scrapes printing ink, pneumatic cylinder can press down, the cantilever of four posts because of the relation of mutual thrust, weight between printing scraper and printing table, can cause the cantilever on four posts to be scraped on the moving direction of printing ink in printing scraper and produces an angle of inclination tilted, to such an extent as to cannot reach the printing of tiny circuit or the printing of high accuracy thickness.
(3) levelness between printing scraper and printing table often has narrow difference (even small difference), and this narrow difference will make scraping of ink in uneven thickness.Also be short of the means for correcting that can provide instant correction water Pingdu simultaneously.
(4) in the process of printing, have because actuating length is many or be subject to original structure restriction, cause the working time to increase, efficiency reduces.
(5) half tone normally utilizes the lifting of four posts, or is promoted lifting to carry out to lift version by the cylinder on four posts.What the lifting due to cylinder only can fix stroke lifts version height, and the kind of work package, size are numerous, and precision and the thick requirement of ink are had nothing in common with each other, and therefore, cannot be applicable to the multiple different presswork of lifting version and highly coordinating different demand by a machine.
In every shortcoming of aforementioned prior art, even a small error is also but enough to make high-precision presswork produce bad quality such as the electrical conductivity of thin silver-colored line become large, and reduce quality, that is, existing each technology contents is not also suitable for the high-precision presswork of requirement.More be subject to the restriction of the composition structure of original screen printing apparatus, and be difficult to increase work efficiency further.
Summary of the invention
Main purpose of the present invention, is the shortcoming solving prior art, and proposes a kind of screen printing apparatus seeking to improve the printing of printing accuracy, printing efficiency, printing qualification rate and high precision.
In order to achieve the above object, the present invention proposes a kind of screen printing apparatus, comprises: a work top, a gas control unit, at least one pair of transfer mechanism, at least one image-taking device, a print head mechanism and two measurement and positioning mechanisms.
This work top sequentially comprises charging along work package throughput direction, printing and discharging table top, and be provided with two parallel separately and through charging, the passage of printing and discharging table top, this printing table is defined by this two passage and is positioned at two interchannel pars intermedias, and two two outside portions outside passage, this charging table top, the end face of this printing table and this discharging table top is formed with multiple gas port, a socle is installed with respectively outside the corner end of this printing table, the top of two socles of the left and right sides is respectively equipped with a servo control mechanism, each socle is respectively equipped with one and lifts edition device and it is correspondingly respectively articulated in an one jiao of end of screen plate frame being used for bearing half tone, this four lifts before an edition device formed, rear two right.
This gas control unit controls gas and makes upwards exhaust and downward air-breathing, with stably air supporting support works part in the top of this work top by the plurality of gas port.
This to transfer mechanism be symmetricly set in this work top below and to should two-way road, upwards to move transfer work package by this two passage along this two passage.
This image-taking device comprises the two CCD sampling image lens oppositely arranged, and in order to carry out capture to half tone upward, and carries out capture to work package downward, reaches precision positioning, to improve printing precision.
Left and right two end of this print head mechanism is linked to this two servo control mechanism respectively, and mobile to be driven by servo control mechanism, its scraper is used on this half tone and scrapes printing ink with printer's workpiece.
This two measurement and positionings mechanism is located at this printing table and at intervals respectively to should left and right two end of scraper of print head mechanism, and links with this two servo control mechanisms telecommunications respectively.
Wherein, this two measurement and positionings mechanism can touch left and right two end supporting this scraper respectively, and produces signal, and input servo control mechanism, servo control mechanism basis signal and drive at least one end of scraper to move up or down, to complete the depth of parallelism position of the relative printing table of scraper.
Wherein, when this printing table is in a feed status, two passages of this printing table are exposed, and carry out transfer work package for this to transfer mechanism by this two passage.
Wherein, when this printing table is in a printing state, two passages of this printing table are closed, and are moved upward to a printing position height for this print head mechanism printer workpiece.
Wherein, when this printing table moves up, each socle maintains static.
Wherein, what this two couple lifted in edition device can drive the side in the both sides, front and back of this screen plate frame and/or both sides synchronously to move up to lifting edition device a pair and/or two, singly lifts edition state or synchronously lift an edition state to form one.
By means of above-mentioned composition structure, screen printing apparatus of the present invention, the object of above-mentioned this case can be reached, that is, high printing precision, high efficiency, high qualification rate and high accuracy, moreover, screen printing apparatus of the present invention, can be suitable for the work package of small size or large area and different-thickness with same board equipment, to print out the print thickness reached unanimity, reach better printing quality effect, so that existing structure can be replaced.
Accompanying drawing explanation
Fig. 1 is the stereoscopic figure of screen printing apparatus of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the top view of the work top of screen printing apparatus of the present invention;
Fig. 4 is the amplification stereogram of the printing table of screen printing apparatus of the present invention;
Fig. 5 is the enlarged partial isometric view of Fig. 4;
Fig. 6 is that the top view of Fig. 4 is used for illustrating that the passage on printing table is open mode;
Fig. 7 is that continuity Fig. 6 is used for illustrating that the passage on printing table is closure state;
Fig. 8 ~ Fig. 9 is the front of Fig. 4 and the schematic diagram of side;
Figure 10 is the structure block schematic diagram of the gas control unit of screen printing apparatus of the present invention;
Figure 11 is that the enlarged partial isometric view of screen printing apparatus of the present invention is used for transfer mechanism is described;
Figure 12 is the enlarged partial isometric view of Fig. 1;
Figure 13 is the schematic side view of Figure 12 and the state diagram that the relative socle of printing table moves up and down is described;
Figure 14 is the exploded partial perspective view of Figure 12;
Figure 15 is the partial exploded view of Figure 14;
Figure 16 ~ 17 are the arrow E of Figure 14, the partial enlarged drawing of F indication;
Figure 18 is the sectional view of the line 18-18 taking from Fig. 4 and illustrates that the measuring piece of measurement and positioning mechanism is in the schematic diagram of non-propradation;
Figure 19 is continuity Figure 18 and illustrates that the schematic diagram being butted on scraper is touched in measuring piece rising;
Figure 20 ~ 26 are operating state schematic diagrames of screen printing apparatus of the present invention;
Figure 27 ~ 31 are that state diagram is implemented in edition action of lifting of invention screen printing apparatus.
Description of reference numerals: 10 work packages; 100 work tops; 101 charging table tops; 102 printing tables; 103 discharging table tops; 104 passages; 105 pars intermedias; 106 outside portions; 107 gas ports; 108 printing table driver modules; 109 printing table elevating mechanisms; 110 printing table guiding mechanisms; 111 guide rails; 112 guide grooves; 113 bases; 114 servo control mechanisms; 115 servo motors; 116 driving mechanisms; 200 gas control units; 201 sources of the gas; 202 flow control members; 203 gas flow optimized parts; 300 transfer mechanisms; 301 tracks; 302 mobile units; 303 supports; 304 suction nozzles; 400 image-taking devices; 401 image-taking device shift mechanisms; 500 print head mechanisms; 501 rectangular framves; 502 actuators; 503 scrapers; 600 measurement and positioning mechanisms; 601 perforates; 602 measuring pieces; 603 induction parts; 604 driving elements; 700 socles; 701 accommodation spaces; 702 long column bodies; 703 ㄇ type frame bodies; 800 screen plate frame; 801 half tones; 900 lift an edition device; 910 elevating mechanisms; 911 screw rods; 912 connectors; 913 motors; 920 pivots; 921 first pedestals; 921a perforate; 922 second pedestals; The convex axle of 922a; 930 guiding mechanisms; 931 guide rails; 932 guide grooves; 940 displacement mechanisms; 941 slide rails; 942 chutes.
Detailed description of the invention
For making the present invention definitely full and accurate, hereby enumerating preferred embodiment and coordinating following schemes, structure of the present invention and technical characteristic thereof are described in detail as rear:
Direction mentioned in this description, as "front", "rear", " on ", D score, "left", "right" etc. are all that to correspond to user direction in a state of use cognitive.
As shown in Figures 1 and 2, screen printing apparatus of the present invention comprises: work top 100, gas control unit 200, at least one pair of transfer mechanism 300, at least one image-taking device 400, print head mechanism 500, and two measurement and positioning mechanisms 600.
As shown in FIG. 1 to 3, this work top 100 is used for carrying work package 10, and sequentially comprises charging table top 101, printing table 102 and a discharging table top 103 according to the throughput direction (as shown in the arrow A of Fig. 2) of work package 10; This work top 100 is provided with parallel and two passages 104 of spaced apart, this two passage 104 this charging table top 101 through, this printing table 102 and this discharging table top 103 along the throughput direction of work package 10; Wherein, two path 10s 4 on this printing table 102 define the pars intermedia 105 be positioned between two path 10s 4, and two outside portions 106 outside two path 10s 4.The end face of this work top 100 is formed with multiple gas port 107, namely, the end face of this charging table top 101, this printing table 102 and this discharging table top 103 is formed with multiple gas port 107 respectively.
As shown in Fig. 4 ~ Fig. 9, the below of this printing table 102 is provided with a printing table driver module 108, in order to drive two outside portions 106 towards pars intermedia 105 displacement with this two passage 104 (as shown in Figure 7) closed, or leave pars intermedia 105 to expose this two passage 104 (as shown in Figure 6).
In order to the ways that the stability install beforehand of outside portion 106 when pars intermedia 105 moves promoting this printing table 102 matches, namely, the below of this two outside portion 106 and printing table guiding mechanism 110 (as Suo Shi Fig. 8 ~ 9) of spaced apart parallel with being provided with at least two between a base 113, each printing table guiding mechanism 110 comprises: guide rail 111 and a guide groove 112, slide corresponding with this guide groove 112 of this guide rail 111 is closed, and be located at the end face of this base 113 and the bottom surface of this two outside portion 106 respectively, but guide rail 111 is also interchangeable with the allocation position of guide groove 112.When this two outside portion 106 do closing relative to this pars intermedia 105 or leave move time, this guide groove 112 does relative movement along this guide rail 111.
As shown in Fig. 1 ~ Fig. 2, the outside of the corner end of this printing table 102 is installed with a socle 700 respectively, wherein left side is symmetrical with two socles 700 on right side, and utilize a long column body 702 to link formation one ㄇ type frame body 703 respectively, make two ㄇ type frame body 703 Parallel Symmetrics be arranged in the side, left and right two of this printing table 102.This two ㄇ type frame body 703 is respectively equipped with a servo control mechanism 116, this two servo control mechanism 116 is symmetrical and perpendicular to this printing table 102, each servo control mechanism 114 mainly comprises a servo motor 115, and utilize a driving mechanism 116 (to anticipate namely to drive servo control mechanism 114 along the length direction of this ㄇ type frame body 703, fore-and-aft direction) move back and forth, and make this two servo control mechanism 114 can make reciprocal synchronizing moving.And being provided with a screen plate frame 800 above this printing table 102 for bearing one half tone 801, the corner end of this screen plate frame 800 is respectively to should four socles 700.In addition, each socle 700 arranges an accommodation space 701 (as shown in figure 14) in its pre-position.
This gas control unit 200 is arranged at below this work top 100, comprises at least one source of the gas 201, multiple flow control member 202 and at least one gas flow optimized part 203 (as shown in Figure 10).This source of the gas 201 is communicated with the gas port 107 of this work top 100, and provides air-flow to this work top 100; The plurality of flow control member 202 is located between the gas port 107 of this work top 100 and this source of the gas 201, in order to control the flow of this air-flow by gas port 107; This at least one gas flow optimized part 203 is located between source of the gas 201 and flow control member 202, in order to shunt above-mentioned air-flow, to control by the flow direction of the air-flow of each gas port 107 to be upwards vented and downward aspiratory action, so, make the air-flow of upwards discharging can support this work package 10 be floated on the top of this work top 100 and do not contact with this work top 100, coordinate the air-flow sucked downwards to make this work package 10 can be stably floating and do not produce skew simultaneously.
This at least one pair of transfer mechanism 300 is symmetricly set in below this work top 100, and to should two path 10s 7 of work top 100, as shown in figure 11, each transfer mechanism 300 comprises: track 301, mobile unit 302, support 303 and an at least one suction nozzle 304.This track 301 is located at below this work top 100 along the throughput direction of this work package 10; This mobile unit 302 is slidedly arranged on this track 301, and can move up and down; This support 303 is installed in this mobile unit 302 upper end; This at least one suction nozzle 304 is arranged at this support 303 upper end, in order to this work package 10 is adsorbed and to be supported thereon.Wherein, this mobile unit 302 can drive this support 303 and this suction nozzle 304 to move (as shown in the arrow B of Figure 11) along this track 301 as transverse reciprocating, this mobile unit 302 itself can also be done one longitudinally (upper and lower to) moves back and forth (as shown in the arrow C of Figure 11), in order to drive this support 303 and suction nozzle 304 to protrude upward this passage 14, so that this work package 10 of absorption supporting.As shown in figures 2-3, when the quantity of transfer mechanism 300 is two pairs, wherein a pair transfer mechanism 300 is between this charging table top 101 and this printing table 102, in order to this work package 10 is transferred load to this printing table 102 position by this charging table top 101 position; And another to transfer mechanism 300 between this printing table 102 and discharging table top 103, in order to this work package 10 is transferred load to this discharging table top 103 position by this printing table 102 position, two pairs of above-mentioned transfer mechanisms 300 energy synchronization actions, to carry out the transfer of work package 10 simultaneously, and reach the result of use that two-track carries, and then promote operating efficiency.
As shown in Fig. 1,2 and 12, this at least one image-taking device 400 is configured between this printing table 102 and this half tone 801, and with the present embodiment, the quantity of image-taking device 400 is two, and is arranged at two relative angle places of this printing table 102 respectively; This image-taking device 400 can be charge coupled cell (ChargeCoupledDevice, be called for short CCD), also can be equipped with the image-taking device shift mechanism 401 that is used for driving this image-taking device 400 movement, this image-taking device 400 is driven to move by means of this image-taking device shift mechanism 401, to carry out contraposition detecting to this half tone 801.In addition, the CCD sampling image lens that this image-taking device 400 oppositely can be arranged by two forms, and in order to carry out CCD capture location to half tone upward, and carries out capture contraposition to the work package 10 on this printing table 102 downward, in order to improve printing precision.
As shown in Fig. 1,2 and 12, this print head mechanism 500 comprises: a rectangular frame 501, at least one actuator 502 and at least one scraper 503.Left and right two end of this rectangular frame 501 is linked to this two servo control mechanism 114 respectively, and to be driven by this two servo control mechanism 114, this printing table 102 moves up and down relatively, and can move up and down between a printing position and a position to be printed; This actuator 502 is arranged at this rectangular frame 501, and can be made up of cylinder or servo motor; The lower end that this scraper 503 is installed in this actuator 502 moves up and down, in order to scrape printing ink to print this work package 10 on half tone 801 with driven member 502 driving.In addition, this actuator 502 also adjustable, control this scraper 503 scrape pressure in time printing.
As shown in Fig. 1,2,4 and 5, this two measurement and positionings mechanism 600 is located on this printing table 102 at intervals, and respectively to should left and right two end of scraper 503 of print head mechanism 500, and link with this two servo control mechanism 114 telecommunications respectively.Each measurement and positioning mechanism 600 comprises: perforate 601, measuring piece 602 and a driving element 604; This perforate 601 is located at this printing table 102 end face and is run through this end face, and corresponds to the end side of this scraper 503; This measuring piece 602 correspondence is located at the below of this perforate 601, and its upper end is provided with an induction part 603; This driving element 604 can be made up of cylinder or motor, move up to make its induction part 603 touch the lower end being butted on this scraper 503 by this perforate 601 in order to drive this measuring piece 602, to measure, to respond to the height distance position of this scraper 503, and then complete the depth of parallelism position of this scraper 503 this printing table 102 relative.
As shown in figure 13, the below of this printing table 102 is also provided with a printing table elevating mechanism 109, moves up and down (as shown in the arrow D of Figure 13) in order to drive this printing table 102.
As shown in Figure 12, Figure 14 ~ Figure 17, Figure 15 is the decomposing schematic representation of Figure 14 and clipped structure, and wherein clipped does not affect content of the present invention.Figure 16 is the partial enlarged drawing of the arrow E indication of Figure 14.Figure 17 is the partial enlarged drawing of the arrow F indication of Figure 14.Each socle 700 is respectively equipped with one and lifts edition device 900, and to should each angle end of screen plate frame 800, wherein this four lift edition device 900 formed forward and backward two right, and to should the side, front and back two of screen plate frame 800.Respectively lift edition device 900 and comprise elevating mechanism 910, pivot 920 and an at least one guiding mechanism 930.Wherein this elevating mechanism 910 is installed in the accommodation space 701 of this corresponding socle 700, and comprises: a screw rod 911, a connection piece 912 and a motor 913; This connector 912 is socketed on this screw rod 911; This motor 913 is as servo motor but do not limit, and one end that its end of exerting oneself is linked to this screw rod 911 rotates to drive this screw rod 911, and this connector 912 can be moved up or down on screw rod 911.
This pivot 920 comprises: one first pedestal 921 and one second pedestal 922.This first pedestal 921 is configured at one jiao of end of this screen plate frame 800, and has the perforate 921a of a transverse direction; The side of this second pedestal 922 is connected to the connector 912 of this elevating mechanism 910, and relative opposite side is provided with the convex axle 922a of a transverse direction in order to be inserted in the perforate 921a of this first pedestal 921 to form pivot joint.
This guiding mechanism 930 comprises: guide rail 931 and a guide groove 932.The accommodation space 701 that this guide rail 931 and this guide groove 932 are longitudinally located at this socle 700 is respectively interior with on the second pedestal 922 of this pivot 920, and this guide groove 932 closes with corresponding cunning of this guide rail 931 and can relatively move up and down; In addition, guide rail 931 is also interchangeable with the allocation position of guide groove 932.
Above-mentioned edition device 900 of lifting utilizes this guiding mechanism 930 can promote stability when lifting version and moving.And utilize motor 913 steadily Power output, make this half tone 801 raise speed and coordinated presswork, allow ink printing can be more smooth and easy to promote press quality.
In addition, this two couple to lift in edition device 900 at least one pair of edition device 900 of respectively lifting lifting edition device 900 and comprises a displacement mechanism 940 further, this displacement mechanism 940 comprises slide rail 941 and the chute 942 can making relative sliding, this slide rail 941 and this chute 942 are configured at this screen plate frame 800 respectively with on the corresponding surface of the first pedestal 921 of this pivot 920, but this slide rail 941 is also interchangeable with the allocation position of this chute 942; When singly to lift edition, the slippage by means of this displacement mechanism 940 is used as bit shift compensation when this screen plate frame 800 changes with this pivot 920 position.
As Figure 11, shown in 18 ~ Figure 19, according to screen printing apparatus of the present invention, when measuring the depth of parallelism between scraper 503 and this printing table 102, the driving element 604 of this two measurement and positionings mechanism 600 drives measuring piece 602 to move up and stretches out in the top of perforate 601, the induction part 603 of two measuring pieces 602 is made to touch the side, left and right two being butted on the lower end of this scraper 503 respectively, and produce an induced signal respectively, and this two signal is inputted this two servo control mechanism 114 respectively, to measure the Present Attitude of this scraper 503, distance and position, compare with predeterminable range value again, according to comparison result, recycling servo control mechanism 114 drive this print head mechanism 500 do rise or decline displacement to complete the compensation of displacement, (meaning is to make this scraper 503 be moved to a desired height position, zero position).So, complete the depth of parallelism position of scraper 503 relative to this printing table 102 of this print head mechanism 500, and then make the print thickness of screen painting even, to improve the quality of printing.
As shown in Figure 20 ~ Figure 22, when this work package 10 is carried, this pars intermedia 105 is left to expose this two passage 104 in two outside portions 106 of this printing table 102, make upwards to be vented by the air-flow of the plurality of gas port 107 and downward air-breathing (as shown in the single lined arrows of Figure 20), be an air supporting state (as shown in figure 20) when entering this charging table top 101 position to make this work package 10 simultaneously.As shown in Figure 21 ~ 22, when this work package 10 transfers load to this printing table 12 by this charging table top 101, with this work package 10 under aforesaid air supporting state, utilize this to transfer mechanism 300 upwards by after two path 10s 4 of this work top 100, this work package 10 is adsorbed and is supported on its suction nozzle 304, again this work package 10 is transferred load to this printing table 102 position by this charging table top 101 position, then the absorption to this work package 10 and supporting is removed, now this passes downwardly through two path 10s 4 of this work top 100 to transfer mechanism 300 and gets back to origin-location to treat action next time, now this gas control unit 200 still makes this work package 10 keep air supporting state above this printing table 102, as shown in figure 23, this control unit 20 controls gas and makes downward air-breathing and two outside portions 106 are upwards vented at the pars intermedia 105 of this printing table 102, " ︶ " shape (as shown in figure 23) that two ends are upturned is formed under making this work package 10 be subject to downward air-breathing and upwards scavenging action at the same time, rub and scratch with this printing table 102 to avoid this work package 10.
As shown in Figure 24 and Figure 25, when this work package 10 is positioned at this printing table 102 position and prints, this printing table driver module 108 drives two outside portions 106 of this printing table 102 to this pars intermedia 105 closing with this two passage 104 (as shown in the arrow G of Figure 24) closed, now, this gas control unit 200 stops upwards being vented but still the aspiratory action that keeps down, make this work package 10 by original air supporting state, be adsorbed on this printing table 102 to be subject to downward air-breathing, then after carrying out capture location by image-taking device 400, recycling this printing table elevating mechanism 109 drives this printing table 102 to move up (as shown in the arrow H of Figure 25) to a printing position height, to print this work package 10.
When this work package 10 is after finishing printing, this printing table elevating mechanism 109 can drive printing table 102 to be moved downward to origin-location, and (meaning is, position before moving up, as shown in figure 24), now, this gas control unit 200 recovers upwards exhaust event, work package 10 is made to keep air supporting state (as shown in figure 26) once again, then this printing table driver module 108 drives two outside portions 106 of this printing table 102 to leave this pars intermedia 105 to expose this two passage 104, supply transfer mechanism 300 by this two passage 104 so that this work package 10 is transferred load to this discharging table top 103 position by this printing table 102 position, and transfer mechanism 300 moves to this discharging table top 103 by this printing table 102 and aforementioned to move to the operating principle of this printing table 102 by charging table top 101 identical, therefore not in this to go forth.
According to screen printing apparatus of the present invention, utilize the gas port 107 on the pars intermedia 105 of this printing table 102 to carry out air-breathing simultaneously, be exhausted (as Figure 23 with the gas port 107 on two outside portions 106, shown in single lined arrows in 26 between printing table 100 and work package 10), this work package 10 is made to be low in the middle of one and two ends are high " ︶ " shape, now, coordinate two outside portions 106 towards pars intermedia 105 displacement with close passage 104, after making printing table 102 form a complete plane, then the mid portion of work package 10 is allowed first to be attached on this printing table 102, and be attached on this printing table 102 after its two side portions, clash into printing table 102 to avoid work package 10 to be adsorbed instantaneously and cause damage.Before this printing table 102 exposes this path 10 4, be first utilize aforesaid downward air-breathing and upwards exhaust event, make work package 10 once again in " ︶ " shape, now, coordinate two outside portions 106 to leave this pars intermedia 105 to expose this path 10 4.
According to screen printing apparatus of the present invention, when this work package 10 is printed, this four socle 700 can not move up and down by this printing table 102 relatively, but this printing table 102 is moved upward to a predetermined altitude L to print this work package 10 by the driving of this printing table elevating mechanism 109, this predetermined altitude L refers to the distance (as shown in figure 13) making printing table 102 rise to printing position movement.Although in the technology contents of two printing table, make one of them table top can do rising mobile, this rising shift action is the exchange displacement coordinating dual stage face, is not as the project organization promoting printing precision in printing process.
As shown in Figure 27 to Figure 29, according to screen printing apparatus of the present invention, the elevating mechanism 910 that wherein a pair (be positioned at as shown in figure 28 left side a pair) of lifting edition device 900 as this two couple lifts edition device 900 starts start and drives this pivot 920, make this pivot 920 interlock the side in the side, front and back two of this screen plate frame 800 is raised (as be positioned in Figure 28 left side arrow J shown in), and with the convex axle 922a of the second pedestal 922 of this pivot 920 for pivot, the side of this screen plate frame 800 is moved up and relatively opposite side makes pivotal action, so, form one and singly lift an edition state, coordinate the print speed printing speed of print head mechanism 500 again, synchronously to carry out printing while lift the effect of version.When the elevating mechanism 910 that this two couple lifts edition device 900 synchronously moves up, the side, front and back two of this screen plate frame 800 is driven synchronously to move up to form one and synchronously lift an edition state.
According to screen printing apparatus of the present invention, as shown in Figure 30, Figure 31, and coordinate shown in Figure 28,29, when singly to lift edition, wherein this pivot 920 lifting edition device 900 for a pair is lifting mechanism 910 and drives along a Y direction to top offset, make the side of this screen plate frame 800 can produce the position displacement M in an X-direction while top offset, therefore, utilize the relative sliding between the slide rail 941 of this displacement mechanism 940 and chute 942 to be shifted to be used as compensating this position displacement M, namely as the compensation of the position displacement of this screen plate frame 800.
According to printing table 102 content that the present invention discloses, utilize the pars intermedia 105 of printing table 100 and the opening and closing of outside portion 106, coordinate the move loading action of transfer mechanism 300 to reach effect of rapid transfer work package 10 simultaneously, and rely on the rising of this printing table 102 to be moved, improve existing screen plate device because of carry out significantly lifting action cause the increase of process time and the reduction of production efficiency, simultaneously, the orientation contraposition operation of this image-taking device 70 provides the fabrication schedule of the error of a correction contraposition, and provides printing precision.
According to gas control unit 200 content that the present invention discloses, utilize the upwards exhaust of gas control unit 200 and the operation of downward air-breathing, make this work package 10 can reach stable, be floated on the top of this work top 100 reposefully, when this work package 10 then can be avoided to enter this work top 100, or contact with this work top 100 in course of conveying and cause scratch or damage; And rely on this gas control unit 200 to carry out a first air-breathing operation, final vacuum operation in subregional mode in this printing table 102, and this work package 10 can be avoided to be adsorbed instantaneously and clash into this printing table 102 and damage.Further illustrate, when work package 30 is transferred load to printing table 10 by transfer mechanism 20 as glass under air supporting state, also need the predetermined altitude maintained by glass above printing table 10, unmanageable in the state that this predetermined altitude is floating, therefore the upwards exhaust utilizing control unit 40 to provide and the action of downward air-breathing, can keep stable and not drift in desired height position to make work package 30.
Two grooves are formed because printing table 102 is provided with the path 10 4 that passes through for transfer mechanism 300, when the work package 10 of thinner thickness is placed on printing table 102 as glass, because glass is very thin, and printing table 102 has groove (path 10 4), make scraper 503 be depressed into groove (path 10 4) place can cause sagging and cannot print, therefore, when glass is for being placed in printing table 102, downward air-breathing can be made in intermediate portion 105, and two outside portions 106 can upwards be vented, make the glass on printing table 102 (work package 10) " ︶ " shape that two ends are high in a centre is low, now, two outside portions 106 are printed table top driver module and drive towards pars intermedia 105 displacement with this path 10 4 closed, after making printing table 102 form a complete plane, glass (work package 10) is just adsorbed on printing table 102, printing table 102 is printed table lifting mechanism 109 and drives rising to move to printing height position, republish this work package 10, after being completed for printing, printing table 102 decline, utilize aforesaid downward air-breathing and be upwards vented, make glass (work package 10) again in " ︶ " shape, this pars intermedia 105 is left to expose this path 10 4 in two outside portions 106, now, the glass (work package 10) completing printing is transferred load to the next position by transfer mechanism 300, so go round and begin again, then can reach thinner large glass, air supporting transfer can be utilized and reach precision positioning, the full-automatic presswork of not scratch.
According to measurement and positioning mechanism 600 content that the present invention discloses, the depth of parallelism between the scraper 503 of print head mechanism 500 and printing table 102 can be measured according to need immediately by measurement and positioning mechanism 600, the scraper 503 of print head mechanism 500 can be positioned at exactly and plan position, make it except for except small size or large-area object to be printed (work package), can also in response to the object to be printed (work package) of different-thickness, print out the print thickness reached unanimity, to reach the practical effect better printing quality.
According to socle 700 content that the present invention discloses, because socle 700 is that employing is fixed, its effect keeps with the horizontal accuracy of printing table in constant, and coordinate the rising movement of printing table to reach high-precision horizontal printing effect, as the line-spacing of printing, live width is less than 50 μm, also utilize the opening and closing of the path 10 4 of printing table 102 to coordinate with the action of transfer mechanism 300 and improve transfer efficiency, this image-taking device 400 provides the action of the error of a correction contraposition to improve printing precision simultaneously, the rising of this printing table 102 is more relied on to be moved, improve prior art because of carry out significantly lifting action cause the increase of process time and the reduction of production efficiency.In addition, utilization is lifted the various of edition device 900 and is lifted an edition function, and make the process of printing more smooth and easy, press quality is better.
By means of above-mentioned composition structure, screen printing apparatus of the present invention, the object of above-mentioned this case can be reached, that is, high printing precision, high efficiency, high qualification rate and high accuracy, moreover, screen printing apparatus of the present invention, can be suitable for the work package of small size or large area and different-thickness with same board equipment, to print out the print thickness reached unanimity, reach better printing quality effect, so that existing structure can be replaced.
More than illustrate just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skill in the art understand, when not departing from the spirit and scope that claim limits; many amendments, change or equivalence can be made, but all will fall within protection scope of the present invention.
Claims (9)
1. a screen printing apparatus, is characterized in that, comprises:
One work top, for bearing work package, this work top sequentially comprises a charging table top along the throughput direction of this work package, one printing table and a discharging table top, and be provided with parallel separating and this charging table top through, two passages of this printing table and this discharging table top, this printing table is defined by this two passage and is positioned at two interchannel pars intermedias, and two two outside portions outside passage, a printing table driver module is provided with below this printing table, be used for driving this two outside portion to this pars intermedia closing to close this two passage and to leave this pars intermedia to expose this two passage, and a printing table elevating mechanism, be used for driving this printing table to move up and down, the end face of this work top is provided with multiple gas port, a socle is installed with respectively and in symmetric configuration outside the corner end of this printing table, the socle upper end of the left and right sides is respectively equipped with a long column body, each long column body is provided with one perpendicular to the servo control mechanism of this printing table, two these servo control mechanisms are symmetrical and can make reciprocal synchronizing moving along the length direction of this long column body, each socle is provided with an accommodation space and lifts an edition device for accommodating one, respectively lift that edition device is corresponding is respectively articulated in an one jiao of end of screen plate frame being used for bearing half tone, this four lifts before an edition device formed, rear two right,
One gas control unit, be communicated with the gas port of this work top, and gas can be controlled make downward air-breathing by a part of gas port of this work top, and be upwards vented by another part gas port of this work top, this work package air supporting to be supported in the top of this work top;
At least one pair of transfer mechanism, be symmetricly set in this work top below and to should two passages, and this two passage can be moved upwardly through so that the work package absorption of aforementioned air supporting state will be positioned at and support thereon, then move along the length direction of this two passage, with this work package of transfer;
One print head mechanism, comprises: a rectangular frame, and about it, two ends are linked to this two servo control mechanisms respectively, and to be driven by two these servo control mechanisms, this printing table moves up and down relatively; At least one actuator, it is installed on this rectangular frame; And at least one scraper, it is installed in the lower end of this actuator, does upper and lower displacement, to scrape printing ink to print this work package on this half tone to be driven by this actuator; And
Two measurement and positioning mechanisms, this printing table is located at and to should left and right two end of scraper in interval, and link with two these servo control mechanism telecommunications respectively, this two measurement and positionings mechanism can touch left and right two end supporting this scraper respectively, and produce a signal, two these signals input two these servo control mechanisms respectively, and this servo control mechanism drives at least one end of the rectangular frame of this print head mechanism to move up or down according to this signal, to complete the depth of parallelism position of this scraper this printing table relative;
Wherein, when this printing table is in a feed status, this printing table driver module drives two outside portions of this printing table to leave this pars intermedia to expose this two passage, make this to transfer mechanism by this two passage this work package of transfer;
Wherein, when this printing table is in a printing state, this printing table driver module drives two outside portions of this printing table to pars intermedia closing with this two passage closed, recycling this printing table elevating mechanism drives this printing table to be moved upward to a printing position height, carries out press for this print head mechanism;
Wherein, when this printing table elevating mechanism drives this printing table to move up and down, each socle maintains static, and the relatively each socle of this printing table moves up and down;
Wherein, this two couple lifts in edition device a pair and/or two to lifting edition device, you drive the side in the both sides, front and back of this screen plate frame and/or both sides synchronously to move up, and singly lifts edition state or synchronously lift an edition state to form one.
2. screen printing apparatus as claimed in claim 1, it is characterized in that, this gas control unit comprises:
At least one source of the gas, is communicated with the gas port of this work top, and provides air-flow to this work top;
Multiple flow control member, is located between the gas port of this work top and this source of the gas, in order to control the flow of this air-flow by gas port; And
At least one gas flow optimized part, is located between these described flow control members and this source of the gas, enters each flow control member in order to shunt this source of the gas.
3. screen printing apparatus as claimed in claim 1, is characterized in that, the gas port of the pars intermedia of this printing table is for downward air-breathing, and the gas port of two outside portions is for being upwards vented.
4. screen printing apparatus as claimed in claim 1, it is characterized in that, each transfer mechanism comprises:
One track, the throughput direction along this work package is located at below this work top;
One mobile unit, is slidedly arranged on this track, and can move up and down;
One support, is installed in this mobile unit upper end; And
At least one suction nozzle, is arranged on this support, and this work package can be adsorbed and support thereon;
Wherein, this mobile unit can drive this support and this suction nozzle to move do length travel relative to this track, moves as lateral displacement with along this track.
5. screen printing apparatus as claimed in claim 1, it is characterized in that, each measurement and positioning mechanism comprises:
One perforate, it is located at this printing table and to should scraper;
One measuring piece, its correspondence is located at the below of this perforate, and its upper end is provided with an induction part; And
One driving element, is used for driving this measuring piece to move up and down;
Wherein, the measuring piece driven element of each measurement and positioning mechanism drives and moves up and pass through corresponding perforate, with two ends making induction part can touch the scraper supporting this print head mechanism respectively, and produce a signal respectively, input two these servo control mechanisms, each servo control mechanism drives at least one end of the rectangular frame of this print head mechanism to move up or down according to this signal.
6. screen printing apparatus as claimed in claim 1, is characterized in that, respectively lift an edition device and comprise:
One elevating mechanism, is installed on this corresponding socle, comprises: a body of rod; One connector being socketed on this body of rod; And a motor, the one end being linked to this body of rod rotates to drive this body of rod, moves up and down on this body of rod to make this connector; And
One pivot, comprises: one first pedestal, and correspondence is configured at one jiao of end of this screen plate frame, and has the perforate of a transverse direction; And one second pedestal, its side is connected to the connector of this elevating mechanism and moves with this connector, and the convex axle sleeve that relative opposite side is provided with a transverse direction enters the perforate of this first pedestal to form pivot joint;
Wherein, when start, this elevating mechanism utilizes this motor to drive the second pedestal of this connector and this pivot to move up and down, and synchronously moves up and down to make this screen plate frame.
7. screen printing apparatus as claimed in claim 6, it is characterized in that, this two couple to lift in edition device at least one pair of edition device of respectively lifting lifting edition device and comprises further: a displacement mechanism, this displacement mechanism comprises a slide rail and a chute, this slide rail and this chute are relative sliding mode can be installed in one jiao of end of this screen plate frame and the first pedestal of this pivot respectively, when this screen plate frame is when singly lifting edition state, this slide rail relatively this chute slides, using as the compensation changing the position displacement produced because of this screen plate frame position.
8. screen printing apparatus as claimed in claim 1, it is characterized in that, this two couple to lift in edition device at least one pair of edition device of respectively lifting lifting edition device and comprises a displacement mechanism further, this displacement mechanism comprises a slide rail and a chute, this slide rail and this chute are relative sliding mode can be installed in one jiao of end of this screen plate frame, when this screen plate frame is when singly lifting edition state, this slide rail relatively this chute slides.
9. the printing table device of screen-printing machine as claimed in claim 1, it is characterized in that, comprise at least one image-taking device further for capture, and be arranged at the side of this printing table, wherein this image-taking device comprises the CCD sampling image lens of about two reversed arrangement, with can upward to carry out capture location to this half tone, and downward to carry out capture location to this work package.
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|---|---|---|---|
| CN201410397166.1A CN105328980A (en) | 2014-08-13 | 2014-08-13 | Screen printing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410397166.1A CN105328980A (en) | 2014-08-13 | 2014-08-13 | Screen printing device |
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| CN105328980A true CN105328980A (en) | 2016-02-17 |
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| CN201410397166.1A Pending CN105328980A (en) | 2014-08-13 | 2014-08-13 | Screen printing device |
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| CN105799317A (en) * | 2016-04-21 | 2016-07-27 | 深圳市龙方自动化科技有限公司 | Synchronous shifting mechanism applied to screen printing machine |
| CN106079856A (en) * | 2016-07-15 | 2016-11-09 | 上海光和光学制造大丰有限公司 | A kind of printer |
| CN106864010A (en) * | 2017-04-05 | 2017-06-20 | 广东北玻臻兴玻璃技术工业有限公司 | A kind of glass printing device |
| CN108372712A (en) * | 2018-04-13 | 2018-08-07 | 上海态镀贸易有限公司 | A kind of screen frame movement self-locking motor uses device, installation method and purposes |
| CN109094183A (en) * | 2018-10-31 | 2018-12-28 | 江苏赛尔制版有限公司 | A kind of screen printing scraper movement synchronizer |
| CN109866501A (en) * | 2017-12-01 | 2019-06-11 | 伊诺蒂斯有限公司 | It is equipped with the screen process press of the masking-out unit of printable different pattern |
| CN110053351A (en) * | 2019-05-27 | 2019-07-26 | 惠州绿保科技有限公司 | A kind of carbon paper screen printer |
| CN113771512A (en) * | 2021-08-24 | 2021-12-10 | 天津北玻玻璃工业技术有限公司 | Large-layout glass edge colored glaze silk-screen printing method |
| CN114987075A (en) * | 2022-06-30 | 2022-09-02 | 无锡尚德太阳能电力有限公司 | Solar cell screen printing process |
| CN115091838A (en) * | 2022-06-30 | 2022-09-23 | 无锡尚德太阳能电力有限公司 | Screen printing system and intelligent screen printing parameter control method |
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| CN108372712A (en) * | 2018-04-13 | 2018-08-07 | 上海态镀贸易有限公司 | A kind of screen frame movement self-locking motor uses device, installation method and purposes |
| CN109094183A (en) * | 2018-10-31 | 2018-12-28 | 江苏赛尔制版有限公司 | A kind of screen printing scraper movement synchronizer |
| CN110053351A (en) * | 2019-05-27 | 2019-07-26 | 惠州绿保科技有限公司 | A kind of carbon paper screen printer |
| CN113771512A (en) * | 2021-08-24 | 2021-12-10 | 天津北玻玻璃工业技术有限公司 | Large-layout glass edge colored glaze silk-screen printing method |
| CN113771512B (en) * | 2021-08-24 | 2023-02-24 | 天津北玻玻璃工业技术有限公司 | Large-layout glass edge colored glaze silk-screen printing method |
| CN114987075A (en) * | 2022-06-30 | 2022-09-02 | 无锡尚德太阳能电力有限公司 | Solar cell screen printing process |
| CN115091838A (en) * | 2022-06-30 | 2022-09-23 | 无锡尚德太阳能电力有限公司 | Screen printing system and intelligent screen printing parameter control method |
| CN115091838B (en) * | 2022-06-30 | 2023-08-15 | 无锡尚德太阳能电力有限公司 | Screen printing system and intelligent screen printing parameter control method |
| CN114987075B (en) * | 2022-06-30 | 2023-09-01 | 无锡尚德太阳能电力有限公司 | Screen printing process for solar cell |
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Application publication date: 20160217 |