CN1131777C - Screen printing apparatus - Google Patents

Abstract

A screen printing apparatus is disclosed. When an up and down table driving cylinder urges an up and down table to approach to the side of a fabrication plate, and an expanding pin is inserted into an engaging hole of an engaging member, an internal insert pin is driven by an internal insert pin driving cylinder. The outer profile of the expanding pin can thus be expanded and the engaging member can be aligned with the center of the engaging pin device. As a result, the up and down table and a substrate carried thereby can be positioned with high accuracy relative to the fabrication plate.

Description

Silk-screen printing device

The present invention relates to a kind of silk-screen printing device, particularly relate to a kind of the substrate that will print when substrate is changed the position and is transported to the printing position, the location technology that can position this substrate and relative position between making a plate with high precision.

On silk-screen printing device, only staying very small gap between plate-making and the substrate on the printing position, in addition, because the handler that the replacing substrate is used needs certain space, so the substrate change bit is set on the position of leaving the printing position, generally will substrate be changed the substrate carrying platform that the position is transported to the reciprocal driving of using in the printing position from substrate with being provided with.Again, adopt this silk-screen printing device, carry out repeatedly under the situation of serigraphy at substrate as multi-sheet printed,, require to have high positioning accuracy repeatedly at the substrate of locating on the printing position and be located at relative position between the plate-making on the fixed-site parts.

But, when printing with above-mentioned silk-screen printing device in the past, silk screen and the interval between the substrate that the version of one of serigraphy condition is promptly made a plate at interval must be set at about 1-8mm, in addition, before printing and after the printing, also must be under silk screen, be parallel to mobile substrate on the direction of silk screen, but also to make printed pattern unaffected, for this reason, substrate mechanism up and down need be set, be used to make substrate to leave the silk screen of plate-making, or plate-making mechanism up and down is set, be used to make plate-making to leave substrate.

But, the mechanism that on the printing position substrate carrying platform is positioned usefulness touches the simplest mechanism that brake component just stops, only the error that this produced just is about 1～3mm, and for make above-mentioned substrate up and down mechanism or plate-making up and down the movable agency up and down that moves up and down of mechanism can move up and down, must be gapped, therefore can produce and the corresponding position error in this gap, when printing fine printed pattern accurately, can not get enough positioning accuracies.

The present invention In view of the foregoing develops, and the object of the present invention is to provide a kind of silk-screen printing device, and this silk-screen printing device can obtain the positioning accuracy repeatedly of the relative position of substrate and plate-making.

In order to reach this purpose, main points of the present invention are that this silk-screen printing device has plate-making, substrate carrying platform and positioner, and wherein plate-making is located on the substrate printing position; Substrate carrying platform, it can be changed between position and the substrate printing position at predefined substrate and move, and the substrate of changing institute's mounting on the position at this substrate is transported to the substrate printing position; Positioner, its effect is on the substrate printing position substrate carrying platform to be positioned, before carrying out serigraphy, to make above-mentioned substrate be positioned at plate-making under, the positioner of the silk-screen printing device of this form comprises following a few part: (a) be located at the fixed-site parts on the above-mentioned substrate printing position and be located at embedded hole on above-mentioned substrate carrying platform one side; (b) be located at fixed-site parts on the above-mentioned substrate printing position and be located at cylindrical shape hole enlargement pin on the opposing party of above-mentioned substrate carrying platform, this hole enlargement pin is provided with radial slot, with above-mentioned embedded hole tabling; (c) chimeric drive unit, it embeds in the above-mentioned embedded hole this hole enlargement pin, and this embedded hole drive unit drives a side of embedded hole and hole enlargement pin, and they are moved to mutual approaching direction vis-a-vis; (d) interior latch, in this latch can the hole enlargement pin axially on move, it is used to insert, and the external diameter to the hole enlargement pin carries out hole enlargement in the hole enlargement pin; (e) interior latch drive unit, internal latch drives under its state in above-mentioned hole enlargement pin embeds embedded hole, makes the hole enlargement of hole enlargement pin.

According to this structure, be located at the embedded hole on the side of fixed-site parts and above-mentioned substrate carrying platform and be located at hole enlargement pin tabling on the opposing party, the latch drive unit is with the axial driving of interior latch to embedded hole under this state, make the hole enlargement pin by hole enlargement, so can improve the positioning accuracy of plate-making and substrate.In addition, owing to be to position, need in embedded hole, not establish taper surface by the hole enlargement that is embedded in the hole enlargement pin in the embedded hole, therefore, the influence that has the influence not allowing to be subject to assemble when adjusting and change along with the time, the high advantage of sustainable maintenance positioning accuracy.

Here, more satisfactory is: above-mentioned substrate carrying platform comprises (f) carrying platform main body, and it utilizes the above-mentioned substrate of guide rail to change between position and the substrate printing position and carries; (g) go up lower table, it is located on the carrying platform main body, can be toward or away from above-mentioned plate-making; (h) above-mentioned embedded hole is located on the side of fixed-site parts and last lower table, and these fixed-site parts are located on the substrate printing position; (i) above-mentioned hole enlargement pin is located on the opposing party of fixed-site parts and last lower table, and these fixed-site parts are located on the above-mentioned substrate printing position.Like this, just can eliminate the position error that causes for the gap that mechanism up and down can be moved, the positioning accuracy of substrate is further improved, mechanism is used to make lower table to move up and down up and down.For example, positioning accuracy repeatedly in the past is about ± 15～± 20 μ m, and positioning accuracy repeatedly of the present invention is about ± 3 μ m.In addition, with the mechanism that need on linear slide parts that lead with above-mentioned guide rail etc., sliding bearing is not set and this sliding bearing is carried out precompressed, the low price of device.

In addition, comparatively ideally be: (j) above-mentioned hole enlargement pin, interior latch and in the latch drive unit be located at above-mentioned going up on the lower table; (k) above-mentioned embedded hole is located on the fixed-site parts by following mode, and this mode is that this embedded hole is relative with its hole enlargement pin when above-mentioned substrate carrying platform is positioned at the printing position; (l) make lower table near above-mentioned plate-making, the hole enlargement pin on being provided in a side of this on lower table just embeds in the embedded hole.According to such structure, because with above-mentioned hole enlargement pin, interior latch and in the latch drive unit be located on the lower table, get final product so embedded hole and hole enlargement pin be located on the above-mentioned fixed-site parts vis-a-vis, so the advantage of this structure is in the side of making a plate squeegee travel mechanism to be set easily.

In addition, comparatively ideal is that (m) establishes 2 positioners at least.Therefore like this, just can utilize 2 positioners that the axle center is positioned, have in the plane that can parallel the advantage that directions X, Y direction and rotary position to substrate position at silk screen with plate-making.

Again, comparatively ideal is that above-mentioned silk-screen printing device comprises with lower member: (n) single above-mentioned positioner; (o) have the vee-block parts of V-shaped groove, it is located on the side of the fixed-site parts be located on the above-mentioned substrate printing position and substrate carrying platform, and is positioned on the straight line of the central shaft by single positioner; (p) engaging protrusion, it is located at fixed-site parts and the substrate be located on the above-mentioned substrate printing position and carries on the opposing party of platform, and under the state in above-mentioned hole enlargement pin embeds embedded hole, this engaging protrusion is stuck in the V-shaped groove of above-mentioned vee-block parts.Like this, just can pass through the single positioner dead axle heart, therefore, have and in being parallel to the silk screen plane of plate-making, to determine the directions X of substrate, the position of Y direction, also can decide above-mentioned positioner around the rotating rotary position in axle center simultaneously by vee-block parts and the engaging protrusion that is stuck in its V-shaped groove.

Also have, comparatively ideal is that above-mentioned silk-screen printing device is provided with the plate-making holding device that the peripheral part of making a plate is kept by following mode, this hold mode is when carrying out serigraphy, between silk screen of making a plate and substrate, form version at interval, above-mentioned plate-making holding device comprises following several parts: (a) fixture, it pushes to the fixed-site parts by the peripheral part of push part with plate-making, like this, just above-mentioned plate-making can be fixed between push part and the fixed-site parts, these fixed-site parts are positioned on the position than more close substrate one side of above-mentioned plate-making; (b) several editions are advised at interval, and they have the gauges that form several predefined version intervals respectively; (c) plate is advised holding device at interval, its effect is under the state between the peripheral part that is inserted into fixed-site parts and plate-making, 1 version selecting the rule at interval from several editions advised at interval keep, above-mentioned fixed-site parts are positioned at more existing near on the position of substrate one side than plate-making.Like this, 1 version selecting from several editions are advised is at interval just advised at interval and is maintained by the version space keeping, under this edition interval rule are inserted into than the state between the peripheral part of plate-making locational fixed-site parts of more close substrate side and plate-making, fixture towards the pushing of fixed-site parts, just is fixed on push part between this push part and the fixed-site parts so make a plate.Therefore, this structure has following advantage: do not need to be provided with the changeable mechanism that continuously changes the version interval, like this, not only simple in structure, volume is little, installing space reduces, and maintenance easily, can not change yet, thereby improve the version reliability of having set at interval along with the time.In addition, version rule is at interval also changed easily, sets the man-hour that version is spent at interval thereby reduced.

In addition, comparatively ideal is that above-mentioned version is advised holding device at interval and had (d) rule holding member, be provided with on its a part of position of front and version can be advised at interval the embedded hole that inserts or extract, this rule holding member is located at the peripheral part of above-mentioned plate-making and than making a plate between the locational fixed-site parts of more close substrate side; (e) actuator, it advises version at interval and is being inserted with edition position of interval rule between the peripheral part of above-mentioned fixed-site parts and plate-making and is inserting between edition position that advise at the interval and move.Like this, version at interval rule just under being inserted in than the state between the peripheral part of the fixed-site parts of the more close substrate side of plate-making and plate-making, by the said fixing device push part is pushed to the fixed-site parts, plate-making just is fixed between this push part and the fixed-site parts, again since version at interval rule by cramping between plate-making and the fixed-site parts, so between the silk screen of plate-making and substrate, form and this edition corresponding edition interval of thickness of rule at interval.In addition, under the fixed-site parts and the state that slotting version is advised at interval between the peripheral part of making a plate than the more close substrate side of making a plate, when the said fixing device with push part when the fixed-site parts push, plate-making just is fixed between this push part and the fixed-site parts, and between plate-making and fixed-site parts during by cramping, owing to plug version interval rule, can confirm the version nought state and the advantage of rule at interval that more changes plate easily at interval so have.

In addition, comparatively ideal is also to comprise: (f) touch plate, it is to be provided with like this, promptly peripheral part and the version in above-mentioned plate-making contacts with this plate-making between the rule at interval, and can on the press direction of push part and anti-press direction, move, moving under the situation of anti-press direction, allowing the rule holding member to move; (g) actuator, by the above-mentioned plate that touches is driven to above-mentioned press direction, just version can be advised at interval cramping touching between backboard face and the fixed-site parts, perhaps drive to anti-press direction, can allow above-mentioned rule holding member to move by touching plate than the more close substrate side of plate-making.Like this, drive to above-mentioned anti-press direction by touching plate, actuator is just lifted plate-making, allows above-mentioned rule holding member to move, so have the payload regardless of plate-making, the advantage of rule at interval all can easily more change plate.

Again, comparatively ideal is that the said fixing device is the device that is provided with (h) pneumatics cylinder, and front end is fixed with the take-off lever of above-mentioned push part and gives prominence to the press direction of push part.Like this, the pushing force that plate-making just produces according to the air pressure of pneumatics cylinder is fixed between push part and the fixed-site parts than the more close substrate side of plate-making, and this push part is fixed on the front end of take-off lever, therefore, even have the different plate-making of thickness, also fixing easily advantage.

In addition, more satisfactory (i) be above-mentioned to be touched plate and has than version is advised at interval and be inserted in than between the fixed-site parts of the more close substrate side of plate-making and the plate-making peripheral part and the also thick size of thickness of increase, the part of the periphery of above-mentioned embedded hole is provided with breach, so that make the version in embedded hole advise the center side that can be pulled out to above-mentioned silk screen at interval.So, version is not being advised at interval under the state that inserts between plate-making and the fixed-site parts for the nought state of confirming the version interval, even the push part of fixture is pushed to the fixed-site parts, be spaced apart nought state even confirm version, silk screen also can separate between the rule at interval with version and form the gap, advises at interval so have the version that easy replacing is embedded in the embedded hole of rule holding member.

Again, more satisfactory is that above-mentioned silk-screen printing device is a kind of like this printing equipment of form, be that squeegee expands the glue on the silk screen of plate-making to a direction, with scraper plate the glue of being passed a direction side by squeegee is back into another direction side again, this silk-screen printing device comprises following part: (a) the 1st move back and forth parts, it is to be provided with like this, be that squeegee can contact with the silk screen of above-mentioned plate-making, also can leave this silk screen, on the position of the silk screen predetermined distance that leaves plate-making, move back and forth along plate-making; (b) the 2nd move back and forth parts, it is to be provided with like this, and promptly above-mentioned scraper plate can contact with the silk screen of plate-making, also can leave silk screen, can move back and forth along plate-making on the position of the silk screen predetermined distance that leaves plate-making; (c) move back and forth member connecting device, it makes the 2nd to move back and forth parts and releasably move back and forth parts and couple together with the 1st, so that the 2nd moves back and forth parts and move back and forth parts with the 1st and move back and forth.Like this, what move back and forth along plate-making, and the separate the 1st moves back and forth parts and the 2nd moves back and forth and is respectively equipped with squeegee and scraper plate on the parts, therefore, move back and forth under the state that parts couple together moving back and forth parts and the 2nd by moving back and forth member connecting device the 1st, ground back and forth drives owing to fuse mutually, so as in the past, advance making under the silk screen state of contact of squeegee and plate-making, so the glue on the silk screen of plate-making is expanded to a direction, carry out serigraphy, make scraper plate with the silk screen state of contact of plate-making under retreat, then the glue of being passed a direction side by squeegee is pushed again and gets back to another direction side.In addition, when changing glue, can remove the 1st and move back and forth the connection status that parts and the 2nd move back and forth parts, make the 1st to move back and forth parts and the 2nd and move back and forth parts and leave sizable distance by the above-mentioned member connecting device that moves back and forth.For this reason, move back and forth the squeegee on the parts and the interval that is located between the 2nd scraper plate that moves back and forth on the parts is established enough greatly owing to will be located at the 1st, so can be effectively the glue of the opposite side that mainly is present in squeegee and scraper plate be reclaimed, also clean easily simultaneously attached to the glue on squeegee and the scraper plate, can shorten the cleaning work time, and can fully clean.

Again, comparatively ideal is also to be provided with: (d) squeegee cylinder up and down, and it is located at the 1st and moves back and forth on the parts, above-mentioned squeegee is driven can and leaving on the position of this silk screen with the silk screen position contacting of plate-making; (e) cylinder about the scraper plate, it is located at the 2nd and moves back and forth on the parts, when above-mentioned squeegee is in the position of leaving silk screen, scraper plate just be in can with plate-making the silk screen position contacting on, when squeegee was in above-mentioned silk screen position contacting, scraper plate just was on the position of leaving silk screen; (f) pressure pipe arrangement, it is located at the above-mentioned the 1st and moves back and forth parts and the 2nd and move back and forth on the parts, moving back and forth parts and the 2nd the 1st moves back and forth under the interconnective state of parts, the above-mentioned squeegee balancing gate pit of cylinder up and down is communicated with the balancing gate pit of cylinder up and down with scraper plate, move back and forth parts and the 1st the 2nd and move back and forth under the state of isolation of components, squeegee is cylinder pressure chamber and the scraper plate connected state releasing of cylinder pressure chamber up and down up and down.Therefore, has following advantage, promptly being located at the 1st moves back and forth the squeegee on the parts and is located at interval between the 2nd scraper plate that moves back and forth on the parts and be not subjected to the squeegee restriction of the pressure pipe arrangement between the cylinder about cylinder and the scraper plate up and down, can freely increase, and can under the situation that does not influence the pressure pipe arrangement, carry out cleaning work.

In addition, comparatively ideal is also to be provided with: (g) plate-making fixed frame, and it is used under the silk screen heeling condition above-mentioned plate-making being fixed; (h) clamping close device, it is located at the fixed part and the above-mentioned the 2nd that fuses with the plate-making fixed frame and moves back and forth between the parts, moving back and forth parts by the 1st moves back and forth on the parts the 2nd and pushes away, just engaging automatically moves back and forth parts with the 2nd and blocks when shifting its fixed position onto on this fixed position.Like this, driving earlier the 1st before cleaning glue moves back and forth parts it is advanced obliquely upward, move back and forth the 2nd and to shift its fixed position on the parts onto, and move back and forth parts with the 2nd automatically by clamping close device and block, therefore, have and make the 2nd to move back and forth parts and the 1st and move back and forth that parts separate and do not need to be used to prevent that the 2nd moves back and forth the fixing operation that parts fall down easily.

Also have 1 more satisfactory be to be provided with on (i) to push away cylinder, it is located at the above-mentioned the 1st and moves back and forth on the parts, after having removed the above-mentioned connection status that moves back and forth member connecting device, moves back and forth parts with the 2nd and pushes to, away from one section more than the predetermined distance.Therefore, have following advantage, promptly the 2nd move back and forth parts and easily move back and forth parts and separate, again owing to the cushioning effect of pushing to cylinder with the 1st, move back and forth parts and the clamping close device impact degree when touching so can alleviate the 2nd, this is pushed to cylinder and moves by air.

Fig. 1 is that one embodiment of the present of invention are the side view of silk-screen printing device,

Fig. 2 is the framework that is used for the printing equipment of key diagram 1, except the front view of positioner, squeegee drive unit, substrate Handling device etc.,

Fig. 3 is the figure of the plate-making holding device of detailed presentation graphs 2, is the sectional drawing of the III-III direction of embodiment,

Fig. 4 is the plane of the plate-making holding device of presentation graphs 2,

Fig. 5 is the front view of the plate-making holding device of presentation graphs 2,

Fig. 6 is the front view of the substrate carrying last lower table that platform comprised of key diagram 1,

Fig. 7 is the upward view of the last lower table of presentation graphs 6,

Fig. 8 is the side view of the last lower table of presentation graphs 6,

Fig. 9 is a front view of having removed the last lower table of movable plate state afterwards in the presentation graphs 6,

Figure 10 is a front view of having removed the last lower table of movable plate and the 2nd upper and lower plates state afterwards in the presentation graphs 6,

Figure 11 is the side view of the directions X location mobile device of presentation graphs 6,

Figure 12 is the plane of the directions X location mobile device of presentation graphs 6,

Figure 13 is the side view of the directions X force application apparatus of presentation graphs 6,

Figure 14 is the plane of the directions X force application apparatus of presentation graphs 6,

Figure 15 is the front view of the directions X force application apparatus of presentation graphs 6,

Figure 16 is the significant points sectional drawing of the fixture of key diagram 6,

Figure 17 is the figure that the substrate of Fig. 1 is carried the 1st upper and lower plates amplification back expression of the included last lower table of platform,

Figure 18 is the figure that describes usefulness after the shape of the hole enlargement pin of Figure 17 and interior latch is amplified,

Figure 19 is the front view that describes usefulness after the shape of the hole enlargement pin of Figure 17 is amplified,

Figure 20 is the figure to other example of the block part of explanation Figure 17 and brake components,

Figure 21 is the front view of the squeegee drive unit of key diagram 1,

Figure 22 amplifies the figure of back expression with the squeegee support plate of Figure 21 and the significant points of scraping sheet support plate,

Figure 23 amplifies the side view of representing after the partly cut-away of back expression with the significant points of the squeegee support plate of Figure 21,

Figure 24 is that explanation is located at the squeegee support plate of Figure 21 and is located at the significant points sectional drawing of the board connecting equipment scraped on the sheet support plate, clamping close device, squeegee, scraper plate etc.,

But the squeegee side pipe joint that Figure 25 is expression to be coupled together the pneumatics pipe arrangement of Figure 21 with handling mode and the figure of scraper plate side coupling,

Figure 26 is the block diagram that the control device structure on the silk-screen printing device that is located at Fig. 1 is described.

Below with reference to the accompanying drawings one embodiment of the present of invention large-sized substrate is elaborated with silk-screen printing device 10.Fig. 1 is the side view of silk-screen printing device 10, and Fig. 2 is a front view.In Fig. 1, squeegee drive unit 12 is to represent with the lid that covers this drive unit, in Fig. 2, will locate with substrate location checkout gear 13 and squeegee drive unit 12 described later etc. and unload.In addition, right side part R among Fig. 2 is in order to carry out the printing position that serigraphy is used on substrate 42 described later, left part L utilizes not shown handler to change the replacing position of substrate 42 usefulness, simultaneously, it also is the position that predefined printing position is positioned, that is to say, before the new substrate of having changed 42 begins printing, first 1 pair of position mark on this substrate 42 that records with the substrate location checkout gear 13 of 1 pair of above-mentioned location usefulness utilizes the position at the place, printing position that the X-Y-θ position adjustment function of going up lower table 114 described later locatees exactly.

Silk-screen printing device 10 is that to have machine frame be framework, and this framework sees it is laterally long rectangular box-like from the front, see it is rectangular leg-of-mutton frame shape from the side.This framework 14 comprises with the lower part: rectangular box-like underframe 18, and it has with several and horizontal mounting surface is the base 16 that ground contacts; 1 pair of vertical column 22, this 1 pair of vertical column are vertically to set up from 1 across corner of not operation personnel one side (back side) of above-mentioned underframe 18, and their upper end is connected with each other by horizontal tie-beam 20; The 1 pair of batter post 24 that is connected with the upper end of above-mentioned vertical column 22 is for example set up with the state that tilts about 60 degree from 1 across corner of operating personnel's one side (front) of underframe 18, upper level framework 26 and lower horizontal framework 28, they are fixed on the upper end and bottom of above-mentioned 1 pair of batter post 24, flatly are erected at separately between these upper ends to reach between the bottom.In addition, upper level framework 26 and lower horizontal framework 28 improve rigidity by the stiffener 30,32,34 that is connected on their middle parts.

As shown in Figure 3, above-mentioned silk-screen printing device 10 employed plate-making 36, be that for example appearance and size is that ultra-large type thick film screen printing about 1500 (indulging) mm * 1800 (horizontal stroke) mm is used, this plate-making 36 is to be made of the rectangle frame 38 of light-alloy systems such as aluminium alloy and the silk screen 40 that is laid on the one side of this rectangle frame 38, thickness scribbles the latex that is made of light-hardening resin in accordance with regulations on silk screen 40, removed by the unhardened part of shading when latex hardens during with the coating post-exposure, so just formed the negative film that should print image.On above-mentioned silk screen 40,, therefore, can on the large-sized substrate 42 of for example 40 inches plasma demonstration usefulness, carry out the thick film screen printing of desired image owing to have only the part of having removed above-mentioned ray hardening resin coating that glue is passed through.On above-mentioned upper level framework 26 and lower horizontal framework 28, be provided with several (present embodiment are 6) plate-making holding device 44, they are used for above-mentioned plate-making 36 being kept or clamping under the state that tilts about 60 degree, thereby this plate-making is fixed on the framework 14.Above-mentioned upper level framework 26 and lower horizontal framework 28 under the state that tilts about 60 degree, have plate-making 36 securing functions as the plate-making fixed frame.

On upper level framework 26 and lower horizontal framework 28, flatly be set with microscler the 1st guide plate 46 and the 2nd microscler guide plate 48 of 1 couple of 1 couple respectively with spigot surface with spigot surface, wherein the 1st guide plate and plate-making 36 one side are that the face of silk screen 40 1 sides of rectangle frame 38 is relative, the 2nd guide plate is relative with plate-making 36 end face, will make a plate and 36 guide to horizontal direction by these the 1st guide plates 46 and the 2nd guide plate 48 the 36 and the 2nd guide plate 48 of will making a plate.In addition, also be respectively equipped with several ball swivel bodies 50, these revolving bodies are to be provided with under the state of the spigot surface of outstanding slightly the 1st guide plate 46, also be provided with the resin carrying transferring roller 54 of a pair of nylon resin system, polyfurolresin system simultaneously, they are from the spigot surface that is fixed on the 2nd guide plate 48 on the lower horizontal framework 28 and outstanding by cylinder 52.When replacing has the above-mentioned plate-making 36 of constant weight, making original plate-making 36 or newly making a plate 36 is right and left in the front view of Fig. 2 when moving up in the horizontal direction, and the revolution by above-mentioned ball swivel body 50 and resin carrying transferring roller 54 reduces its moving resistance.Again, above-mentioned the 1st guide plate the 46, the 2nd guide plate 48 is to be fixed on upper level framework 26 and the lower horizontal framework 28 by the partition component of stipulating.For example, as shown in Figures 3 and 4, on lower horizontal framework 28, be foursquare long parts 56 by the section that is fixed on above the lower horizontal framework 28, and the partition component 58 that is fixed on these long parts 56 fronts, make the 1st guide plate 46 fixing.

Above-mentioned plate-making holding device 44 is as Fig. 3～Fig. 5 represents in detail, it comprises with the lower part: touch plate 62, it is to be provided with like this, promptly in 3 locational otch 59 on the length direction of being located at each the 1st guide plate 46, lead by being fixed on the spigot surface direction of guided way 60 on the aforementioned barriers parts 58 perpendicular to the 1st guide plate 46, touching plate 62 so just can be along the thickness direction of the 1st guide plate 46, or 36 the thickness direction of making a plate moves; Touch plate and drive cylinder 64, it is fixed on the long parts 56, can drive on above-mentioned thickness direction and touch plate 62, moves it; Tabular finger gauge i.e. version advises 66 at interval, and it is used to set the silk screen 40 of plate-making 36 and the version interval D 1 between the substrate 42 when serigraphy; Rule holding member 76, it links into an integrated entity with the movable part 74 of slip cylinder 72, and this control gauge holding member 76 just is positioned on two positions of the above-below direction parallel with 36 the silk screen 40 of making a plate; The movable part 74 of above-mentioned slip cylinder 72 is fixed on the long parts 56, have the version of holding on the bottom surface of rule holding member 76 and advise the permanent magnet 68 of 66 usefulness at interval, the first half in its front is provided with embedded hole 70, is used for that version is advised 66 at interval and embeds, and this edition advised can embed also at interval and can be broken away from embedded hole; Fixed part 78, it is used to bear cramping load, and this fixed part slidably with under the back side state of contact of above-mentioned rule holding member 76 is being fixed on the long parts 56; Clamping cylinder 86 has take-off lever 82, and this clamping cylinder is fixed on the lower horizontal framework 28 by carriage 84, is fixed with pushing liner 80 on the front end of take-off lever 82, utilizes air pressure and outstanding to touching plate 62, can move.

Version interval D 1 between the silk screen 40 of plate-making 36 and the substrate 42 (chain-dotted line of Fig. 3) that rises when serigraphy is one of imposing a condition of serigraphy, and it must be according to the mesh of silk screen 40, the fine degree of printed pattern line, the different change of viscosity of glue.On the silk-screen printing device 10 of present embodiment, can utilize plate-making holding device 44 to carry out the nought state affirmation of edition interval D 1 and the setting of the version interval D 1 under the printing state with said structure, be a kind of simple structure very reliably, and can carry out above-mentioned operation accurately.That is to say, be directed in plate-making 36 under the state in printing position of regulation, as Fig. 3, Fig. 4, shown in Figure 5, make its take-off lever 82 be in the non-clip position that is drawn into by clamping cylinder 86, make its movable part 74 be in the uplifted side position by slip cylinder 72, version is advised at interval 66 and is become the position that is in the top from the position relative with the back side of touching plate 62, simultaneously shown in the double dot dash line of Fig. 4, drive cylinder 64 and will touch plate 62 and draw in not operation personnel one side by touching plate, 36 also drop to the 1st guide plate 46 1 sides so make a plate, therefore, operating personnel are according to the gap state between substrate 42 that rises to the printing position and the above-mentioned silk screen 40 or be in contact with one another state, are easy to confirm whether version interval D 1 is zero.

Below, drive cylinder 64 and make that to touch plate 62 side-prominent to operating personnel one by touching plate, it is operating personnel's one sides that plate-making 36 rises to clamping cylinder 86 1 sides, under the state that leaves the 1st guide plate 46, advise 66 at interval for the version that forms the version interval D 1 that is suitable for printing condition and just replace original version rule at interval, be loaded in the embedded hole 70 of rule holding member 76.The size that 66 thickness is roughly the degree of depth addition of edition interval D 1 and embedded hole 70 is advised at this edition interval.Then, make its movable member 74 be in the decline side position by slip cylinder 72, advising 66 is in the position relative with the back side of touching plate 62 at interval to make version, simultaneously, drive cylinder 64 and will touch plate 62 and draw in not operation personnel one side by touching plate, so version advise at interval 66 and rule holding member 76 just be sandwiched in together and touch between plate 62 and the fixed part 78, so the front of touching plate 62 just to the clamping cylinder 86 1 side-prominent one section form edition so big sizes of interval D 1.In this state, the take-off lever of clamping cylinder 86 82 is outstanding, rectangle frame 38 just by cramping the pushing liner 80 of this take-off lever front end with touch between the plate 62, so plate-making 36 just is fixed under the state of formation really in plate interval D 1.

Therefore, compare with the situation that complex mechanism is set in order to continuously change edition interval D 1, this apparatus structure is simple and volume is little, not only can reduce installing space but also maintenance easily, has also improved the reliability of the plate interval D 1 that sets simultaneously.That is to say, be that plate driving cylinder 64 is touched in utilization and clamping cylinder 86 comes the cramping version to advise 66 at interval, because this structure, in case the version interval D of setting 1 just can not change, reliability will improve.In addition, it is also very simple that version is advised at interval 66 replacing operation, therefore, also has to reduce and set the version advantage of man-hours requirement at interval.

In addition, version is advised holding device 88 at interval and is made of rule holding member 76 and slip cylinder 72, wherein advising holding member 76, to be located at plate-making 36 peripheral part be that rectangle frame 38 and fixed-site parts are between the fixed part 78, but the top of its front is provided with handling mode above-mentioned version advised 66 embedded holes 70 that embed at interval; Slip cylinder 72 has the actuator function, it makes rule holding member 76 be inserted with version between 36 in fixed part 78 and plate-making and advises 66 position at interval and do not insert version and advise between 66 the position mobile at interval, advise under 66 the state pushing liner 80 with clamping cylinder 86 at interval and push and made a plate 36 o'clock not inserting version, do not advise 66 at interval owing between pushing liner 80 and fixed part 78, there is version, therefore, can advise holding device 88 at interval by version and confirm that edition interval D 1 is nought state, but also, advise 66 advantage so have easily plate change interval more because embedded hole 70 is located at the top of rule holding member 76.

In addition, also be provided with to touch plate 62 and touch plate and drive cylinder 64, wherein touching plate 62, to be located at plate-making 36 peripheral part be that rectangle frame 38 is advised between 66 at interval with version, relative with pushing liner 80, and can push on the press direction of liner and the anti-press direction mobile at this; Touching plate drives cylinder 64 and has function as actuator, promptly touch plate 62 by driving to above-mentioned press direction, version is advised 66 at interval clamps between the back side of touching plate and fixed part 78, perhaps drive and touch plate 62, rule holding member 76 is moved up at upper and lower to above-mentioned anti-press direction.Drive cylinder 64 owing to be provided with to touch plate 62 and touch plate, can utilize and touch plate 62 and will make a plate and 36 raise upward, rule holding member 76 is moved upward, therefore have no matter the payload of plate-making 36 can both more easily more change plate the interval and advise 66.

Again, clamping device 90 is to be made of the pushing liner 80 and the clamping cylinder 86 that have as the push part function, this clamping cylinder is fixed on the framework 14 by bracket 84, it has take-off lever 82, fixing pushing liner 80 at the front end of take-off lever, is fixed part 78 pushing by pushing liner 80 to the fixed-site parts, will make a plate 36 to be clamped between them, therefore, no matter this structure has the advantage that the thickness size of plate-making 36 is all fixed easily.

In addition, to be inserted in fixed part 78 also thick with the thickness that increased between 36 of making a plate than version being advised at interval 66 for the above-mentioned thickness that touches plate 62, therefore, even confirming that version is spaced apart under the zero state, also can make silk screen 40 and version advise 66 at interval separates, and because the part of the periphery of above-mentioned embedded hole 70 is cut into breach, can advise 66 at interval and pull out inserting version in the embedded hole, be embedded in version intervals in the embedded hole 70 of rule holding member 76 and advise 66 advantage so have easy replacing to the center side of silk screen 40.

Get back to Fig. 1, be provided with substrate Handling device 100 on framework 14, it is used for that the substrate 42 before the printing is changed position L from substrate and is transported to printing position R, or the substrate after will printing 42 is transported to substrate replacing position L from printing R.This substrate Handling device 100 has substrate carrying platform 104 and carrying drive unit 106, wherein, substrate carrying platform 104 is by being to extend on the aftermentioned directions X to be separately fixed at the upper level framework 26 of framework 14 and 2 carrying tracks 102 on the lower horizontal framework 28 in the horizontal direction, change between position L and the printing position R at above-mentioned substrate, under the heeling condition parallel, be directed to above-mentioned plate-making 36; The effect of carrying drive unit 106 is to change between position L and the printing position R at substrate substrate carrying platform 104 is back and forth driven.

As shown in Figure 1, above-mentioned substrate carrying platform 104 comprises with the lower part: tabular carrying platform main body 110, and it is led by above-mentioned carrying track 102; The tabular lower table 114 of going up, it is located on the carrying platform main body 110, is led on the direction perpendicular to carrying platform main body 110 by guide post 112, can be near also leaving plate-making 36; Last lower table drives cylinder 116, and it drives last lower table 114 as drive unit.In addition, above-mentioned carrying drive unit 106 has with the lower part: 1 pair of endless belt 120, the part of this endless belt 120 are fixed on the upper end and bottom of above-mentioned carrying platform main body 110; Gyroaxis 124, it is promptly made a plate in the plane of 36 silk screen face being parallel to the plane that comprises above-mentioned 2 carrying tracks 102, with posture perpendicular to the carrying direction of carrying platform main body 110, by bearing 122 can rotating mode being bearing on the framework 14; 1 pair of belt pulley 126, it is fixed on the two ends of gyroaxis 124, is used for volume and hangs 1 pair of endless belt 120; Belt pulley 134, it is fixed on the central portion of gyroaxis 124, hangs endless belt 132 with belt pulley 130 1 roll sets on the output shaft that is fixed on CD-ROM drive motor 128.Like this, above-mentioned substrate carrying platform 104 just can be changed between position L and the printing position R at substrate by CD-ROM drive motor 128 and back and forth drive.

Fig. 6 is the front view of the last lower table 114 of the above-mentioned substrate carrying of expression platform 104, Fig. 7 and Fig. 8 are its upward view and side view, Fig. 9 is the front view of last lower table 114 that the state of movable plate 146 has been removed in expression, and Figure 10 is a front view of representing to have removed lower table 114 on the state of movable plate 146 and the 2nd upper and lower bottom plate 144.

As it is such shown in scheming in detail, the last lower table 114 of above-mentioned substrate carrying platform 104 has the function of the XY θ workbench that available automatic or manual mode finely tunes, be used for changing position L or printing position R at substrate, directions X position, Y direction position, position, the angle of revolution θ with respect to plate-making 36 finely tunes to substrate 42.The last lower table 114 of above-mentioned substrate carrying platform 104 comprises with the lower part: rectangle the 1st upper and lower bottom plate 138 that is fixed with guide post 112, rectangle the 2nd upper and lower bottom plate 144, at the central portion of the 1st upper and lower bottom plate 138, it is fixed on the 1st upper and lower bottom plate 138 by several plate-like washer 140; Be placed on the movable plate 146 on the 2nd upper and lower bottom plate 144, it can relatively move on the direction that is parallel to the 2nd upper and lower bottom plate 144, under with the state after the not shown positioning element location, is used for placing or support substrate 42; Directions X drive pin 148 and directions X application of force pin 150, they are provided in a side of 1 pair of parts on above-mentioned the 1st upper and lower bottom plate 138 and the 2nd upper and lower bottom plate 144, directions X drive pin 148 drives on the Y direction according to the signal of telecommunication, directions X application of force pin 150 applies the power of regulation to directions X drive pin 148, and their effect is in order (to see it is left and right directions from operating personnel in the present embodiment) on directions X movable plate 146 to be clamped; The 1Y direction drive pin 152 and the 2Y direction drive pin 154 that on the Y direction, drive according to the signal of telecommunication, and the 1Y direction application of force pin 156 and the 2Y direction application of force pin 158 that apply specified force to 1Y direction drive pin 152 and 2Y direction drive pin 154, they are provided in a side of 2 pairs of parts on the 1st upper and lower bottom plate 138 and the 2nd upper and lower bottom plate 144, their effect is on directions X, under the state of predetermined distance A of only being separated by, (in the present embodiment, seeing it is above-below direction from operating personnel) on the Y direction perpendicular to directions X clamps movable plate 146.

Like this, just can on directions X, apply the power of regulation by directions X drive pin 148 and directions X application of force pin 150, the movable plate 146 that is placed on the 2nd upper and lower bottom plate 144 is clamped, simultaneously, also can on the Y direction, apply the power of regulation by 1Y direction drive pin 152 and 1Y direction application of force pin 156 and 2Y direction drive pin 154 and 2Y direction application of force pin 158 respectively, above-mentioned movable plate 146 is clamped, therefore, directions X drive pin 148 is moved, just can regulate with the relative position of plate-making 36 substrate 42 that is supported on the movable plate 146 on the directions X; Make 1Y direction drive pin 152 and 2Y direction drive pin 154 move equal distance, just can regulate with the relative position of plate-making 36 substrate 42 that is supported on the movable plate 146 on the Y direction; Make 1Y direction drive pin 152 and 2Y direction drive pin 154 move different distances or move, just can regulate with respect to the rotary position θ of plate-making 36 substrate 42 that is supported on the movable plate 146 to different directions.Therefore, do not use following apparatus can constitute X, Y, θ adjusting device yet, promptly do not use on above-mentioned the 2nd upper and lower bottom plate 144, the directions X movable plate that can move to directions X by guide rail guiding; Make the directions X micromatic setting of directions X movable plate fine motion on directions X; The directions X fixture that is used for fixing the directions X movable plate; On the directions X movable plate, the Y direction movable plate that can move to the Y direction by guide rail guiding; Make the Y directional trim device of this Y direction movable plate fine motion on the Y direction; The Y direction fixture that is used for fixing Y direction movable plate; On Y direction movable plate, with the finger plate that can be provided with around the mode of this movable plate center steering; The revolution micromatic setting that the position, angle of revolution of this finger plate is finely tuned; Be used for fixing the revolution fixture of finger plate etc., so can reduce volume and needed space, so just, can make the silk-screen printing device slimming, but also can alleviate the weight of X, Y, θ governor motion, also can reduce mechanism that governor motion is moved back and forth, in addition, also can reduce amount of parts, therefore, can make silk-screen printing device lightness and low price.

Above-mentioned the 2nd upper and lower bottom plate 144, though its width equates with the 1st upper and lower bottom plate 138, but its longitudinal size is more much smaller than the 1st upper and lower bottom plate 138, for example little by 1/2, as Figure 11 in detail shown in like that, it is provided with lower side panel 160, this lower side panel by plate shaped spacer 140 be fixed on the 1st upper and lower bottom plate 138 above; Epipleural 162, it with close attachment on lower side panel 160 state and be fixed; Many spileholes 164, they run through epipleural 162, and are spaced in accordance with regulations on the one side of epipleural; Be communicated with recess 166, it is to form on lower side panel 160, and at the back side of epipleural 162 above-mentioned many pores 164 is interconnected, and becomes the state that is provided with several pores 164 on its end face.This is communicated with recess 166 and is connected with Negative pressure supply device 170 and Compressed Gas feedway 172 selectively, and wherein Negative pressure supply device 170 makes in the pore 164 by switchover control valve 168 becomes negative pressure state, and movable plate 146 is inhaled on the 2nd upper and lower bottom plate 144; Compressed Gas feedway 172 is emitted Compressed Gas from pore 164.Switchover control valve 168 during the moving of movable plate 146 in, Compressed Gas is supplied with the connection recess 166 of the 2nd upper and lower bottom plate 144 from Compressed Gas feedway 172, after movable plate 146 location finish, from the connection recess 166 of Negative pressure supply device 170, movable plate 146 is fixed on the 2nd upper and lower bottom plate 144 negative pressure feeding the 2nd upper and lower bottom plate 144.Above-mentioned Negative pressure supply device 170 for example is made of the vavuum pump of exporting negative pressure, and above-mentioned Compressed Gas feedway 172 for example is made of the compressed-air actuated compressor of output.

Like this, in during the moving of movable plate 146, by having conversion control device function conversion control valve 168, supply with Compressed Gas from Compressed Gas feedway 172 to the 2nd upper and lower bottom plate 144, so in a plurality of pores 164 of the 2nd upper and lower bottom plate 144, discharge compressed air, can and support at movable plate 146 and form Compressed Gas layer or Compressed Gas film between the 2nd upper and lower bottom plate 144 of this movable plate, so can be by the directions X drive pin 148 that drives according to the signal of telecommunication, 1Y direction drive pin 152 and 2Y direction drive pin 154, with minimum strength movable plate 146 is moved, in addition, after these movable plate 146 location finish, by switchover control valve 168 from Negative pressure supply device 170 with negative pressure feeding the 2nd upper and lower bottom plate 144, so form negative pressure state in a plurality of pores 164 of the 2nd upper and lower bottom plate 144, movable plate 146 is just inhaled on the 2nd upper and lower bottom plate 144 of this movable plate 146 of supporting, thereby movable plate 146 is fixed really.Therefore, do not need to be provided with the guide rail that movable plate 146 is moved to X, Y direction or gyratory directions θ, so have the silk-screen printing device 10 simple and little advantages of volume.In addition, movable plate 146 is when mobile, being compressed gas blanket is bearing on the 2nd upper and lower bottom plate 144, therefore, has the motor that makes on directions X location mobile device 180 described later, 1Y direction location mobile device 182, the 2Y direction location mobile device 184 and the helical axis advantage of miniaturization significantly.

The directions X drive pin 148 that engages with the end face on the limit that is parallel to the Y direction of above-mentioned movable plate 146, the 1Y direction drive pin 152 and the 2Y direction drive pin 154 that engage with the end face on the limit that is parallel to directions X of movable plate 146, the function that has directions X driver part and Y direction driver part respectively, for example constitute, so section is rounded by miniature bearing or small-diameter bearings.These directions X drive pins 148,1Y direction drive pin 152 and 2Y direction drive pin 154 are located at respectively on directions X location mobile device 180,1Y direction location mobile device 182 and the 2Y direction location mobile device 184.Structure such as Figure 11 and shown in Figure 12 of these directions X location mobile devices 180,1Y direction location mobile device 182 and 2Y direction location mobile device 184.Being representative with directions X location mobile device 180 below describes their structure.

In Figure 11, Figure 12, directions X location mobile device 180 has following a few part: the helical axis 188 parallel with directions X, and it is bearing on the 1st upper and lower bottom plate 138 pivotally by bearing 186; Directions X impulse motor 190, this motor uses as device for revolving and driving, and it is connected with helical axis 188, is used to drive this helical axis revolution; The guide rail 192 parallel with directions X, it is fixed on the 1st upper and lower bottom plate 138; Movable block parts 194, it is led on directions X by above-mentioned guide rail 192, and with above-mentioned helical axis 188 with threaded engagement, only move one section corresponding distance in the angle of revolution with this helical axis 188; Arm 198, it is outstanding in directions X otch 196 from movable block parts 194, and is collected in this otch, and this directions X otch 196 is cut to directions X from ora terminalis on the 2nd upper and lower bottom plate 144; The directions X drive pin 148 that section is rounded, it is installed on the leading section of arm 198 in the following manner, the cylindric outer peripheral face that is it contacts with the end face that is parallel to the Y direction of movable plate 146, and the center-of-curvature line of its outer peripheral face is perpendicular to the 2nd upper and lower bottom plate 144.

In addition, have following several pin, directions X application of force pin 150 on directions X force application apparatus 200,1Y direction force application apparatus 202 and the 2Y direction force application apparatus 204 respectively, it engages with the end face on the limit that is parallel to the Y direction of movable plate 146 and directions X drive pin 148 clamping movable plate 146 together; 1Y direction application of force pin 156 and 2Y direction application of force pin 158, they engage with the end face on the limit that is parallel to directions X of movable plate 146 and 1Y direction drive pin 152 and 2Y direction drive pin 154 clamping movable plate 146 together.The structure of these directions X force application apparatus 200,1Y direction force application apparatus 202 and 2Y direction force application apparatus 204 such as Figure 13～shown in Figure 15.Below, be the structure that representative illustrates these force application apparatus with directions X force application apparatus 200.

In Figure 13～Figure 15, directions X force application apparatus 200 is provided with lower member: application of force cylinder 206, and it is fixed on the back side of the 2nd upper and lower bottom plate 144; Output board 212, it is fixed on the front end of the take-off lever 208 of above-mentioned application of force cylinder 206, and is fixed on the end of take-off lever 208 by the guide post 210 parallel with take-off lever 208, to prevent around its axle center revolution; Arm 216, it is outstanding and be collected in its inside in directions X otch 214 from output board 212, this directions X otch 214 on the 2nd upper and lower bottom plate 144 from ora terminalis to the directions X incision and form; The directions X application of force pin 150 that section is rounded, it is installed on the front end of arm 216 in the following manner, its cylindric outer peripheral face contacts with the end face that is parallel to the Y direction of movable plate 146, and the center-of-curvature line of its outer peripheral face is vertical with the 2nd upper and lower bottom plate 144, to movable plate 146 application of forces, the power of being executed is corresponding with the pressure of supplying with application of force cylinder 206 by directions X application of force pin 150.

As mentioned above, directions X drive pin 148, directions X application of force pin 150,1Y direction drive pin 152,1Y direction application of force pin 156,2Y direction drive pin 154, the section of 2Y direction application of force pin 158 is circular, by with 2 limits that are parallel to the Y direction of rectangle movable plate 146, close with 2 checkposts that are parallel to directions X, and the power that applies a regulation clamps movable plate 146 respectively, even the contact position changing of the relative positions to some extent of these pins and movable plate 146, also can not influence the adjusting position of movable plate 146, and can not produce the gap, therefore, the advantage of this structure is to obtain high positioning accuracy.

In addition, as Figure 16 represents in detail, on the 2nd upper and lower bottom plate 144, also be provided with fixture 220, be used for above-mentioned movable plate 146 is carried out suitably fixing.On above-mentioned movable plate 146, be provided with aperture 222 in the 1st upper and lower bottom plate 138 1 sides, but also be provided with the macropore 224 that is connected with this aperture in substrate 42 1 sides, run through movable plate 146 by the hole with the level that this aperture 222 and macropore 224 constitute.Said fixing device 220 is provided with fixed cylinder 226 and the circular fixed head 228 that is fixed on the 2nd upper and lower bottom plate 144 back sides, and this circle fixed head is embedded in the macropore 224, and it has the profile than the little specified gap D2 of inner peripheral surface of macropore 224.On the leading section of the take-off lever of giving prominence to by aperture 222 from fixed cylinder 226 230, fixing fixed head 228.Gap between the inner peripheral surface of the outer peripheral face of take-off lever 230 and aperture 224 is set to such an extent that equate with above-mentioned clearance D 2 or greater than D2, movable plate 146 is in the scope of above-mentioned clearance D 2, even can in the plane that is parallel to the 2nd upper and lower bottom plate 144, move and the take-off lever 230 of said fixing cylinder 226 is drawn in the cylinder, make in a plurality of holes 164 of the 2nd upper and lower bottom plate 144 not to be in negative pressure state, movable plate 146 also can be fixed on the 2nd upper and lower bottom plate 144.

Figure 17, Figure 18, Figure 19 are the figure that describes positioner 240 in detail, this positioner 240 is located at above-mentioned the 1st upper and lower bottom plate 138 and the fixed-site parts are between the partition component 58, its effect is for when printing, when promptly making the last lower table 114 that comprises the 1st upper and lower bottom plate 138 grades be elevated to, improve substrate 42 and the positioning accuracy repeatedly of 36 relative positions of making a plate near plate-making 36 1 sides by last lower table driving cylinder 116.In Figure 17, partition component 58 is as Fig. 3, shown in Figure 5, it is the fixed-site parts that are fixed on lower horizontal framework 28 and the upper level framework 26, above-mentioned positioner 240 comprises 1 pair of gomphosis part 246 and 1 pair of chimeric pin assembly 248, wherein 1 pair of gomphosis part 246 is to be connected by the axle center to form perpendicular to the embedded hole 242 of the 1st upper and lower bottom plate 138 directions, and this gomphosis part 246 is fixed on two bights (seeing Fig. 6, Fig. 9, Figure 10) of the upper side of aforementioned barriers parts 58 by cylindrical shape installing component 244; 1 pair of chimeric pin assembly 248, it is located on the 1st upper and lower bottom plate 138, after making 138 risings of the 1st upper and lower bottom plate by the last lower table driving cylinder with chimeric drive unit function, this just embeds in the embedded hole 242 of its gomphosis part 246 chimeric pin assembly 248.

Above-mentioned chimeric pin assembly 248 comprises following a few part: cylindric hole enlargement pin 250, it has the external diameter slightly littler than above-mentioned embedded hole 242, be with embedded hole 242 concentric position on, promptly making a plate to partition component 58 1 sides from the 1st upper and lower bottom plate 138,36 1 side-prominent settings form; Interior latch 252, it is embedded in the inboard of hole enlargement pin 250; Interior bolt driving cylinder 254, it fixedly is located at the back side of the 1st upper and lower bottom plate 138, and it has the function as interior latch drive unit, latch 252 in being used for driving in the axial direction.

As Figure 18, Figure 19 represent in detail, on above-mentioned cylindric hole enlargement pin 250, be formed with several (in the present embodiment being 8) slit 256 and taper inner peripheral surfaces 258, wherein slit 256 is in a circumferential direction equally spaced, goes into to form along the plane the past end-grain cutting by hole enlargement pin central shaft, taper inner peripheral surface 258, past more front end diameter is more little on inner peripheral surface, in addition, also formed taper outer peripheral face 260 on the outer peripheral face of above-mentioned interior latch 252, past more front end diameter is more little.Therefore, make the 1st upper and lower bottom plate 138 near plate-making 36 1 sides, then above-mentioned hole enlargement pin 250 just embeds in the embedded hole 242 of gomphosis part 246, be embedded into till the position shown in the double dot dash line among Figure 17 always, when bolt driving cylinder 254 is with interior latch 252 forward end side drives in using in this state, above-mentioned taper outer peripheral face 260 just dilates by taper inner peripheral surface 258, the profile of hole enlargement pin 250 is by hole enlargement, gomphosis part 246 and chimeric pin assembly 248 centering are located with the relative position of plate-making 36 accurately to last lower table 114 and the substrate 42 that is placed on this workbench.In addition, owing to position by hole enlargement pin 250 hole enlargements that embed in the embedded hole 242, so the advantage of this mode is need not form the conical surface in embedded hole 242, positioning accuracy is not assembled the influence of adjusting operation, is not subjected to the influence of passage of time.

In addition, above-mentioned substrate carrying platform 104 has carrying platform main body 110 and last lower table 114, and wherein carrying platform main body 110 is to lead between substrate printing position R and substrate replacing position L by carrying track 102; Last lower table 114, it is located on the carrying platform main body 110, both can be near also leaving plate-making 36.Above-mentioned embedded hole 242 be located in the partition component 58 of fixed-site with the corresponding part of substrate printing position R on, chimeric pin assembly 248 is located on the lower table 114, has therefore eliminated deviations, can further improve the position error of substrate 42.This position error is brought by the gap, and the mechanism up and down that this gap moves up and down lower table 114 can move and is provided with.According to present inventor's test, the positioning accuracy of substrate 42 is ± 15～20 μ m on device in the past, and the positioning accuracy of the silk-screen printing device 10 of present embodiment reaches ± 3 μ m about.Again, the silk-screen printing device 10 of present embodiment need not be provided with sliding bearing or this sliding bearing be applied the mechanism of preload on the linear slide part by carrying track 102 or guide post 112 guiding, so the advantage of this device is to reduce maintenance man-hours, and low price.

Again the above-mentioned hole enlargement pin 250 of reason, interior latch 252 and in the chimeric pin assembly 248 that constitutes of bolt driving cylinder 254 be provided in a side of lower table 114 the 1st on the 1st upper and lower bottom plate 138 of lower table 114, therefore with partition component 58 grades are located at the plate-making side component on situation compare, advantage of the present invention is that squeegee drive unit 12 is provided with easily.

Get back to Figure 17, on the 1st upper and lower bottom plate 138 of last lower table 114, be provided with brake component 264, this brake component contacts with the one side of the 1st upper and lower bottom plate 138 sides of block part 262 on being fixed on dividing plate 58, can determine the position of lower table 114 to plate-making 36 1 side shiftings exactly.These block parts 262 and brake component 264 can be provided with array, also can be provided with 1 group.In addition, the 266th, buffer unit, it is used to control the vibration that produces of touching owing to the rising end and the end that descends of the 1st upper and lower bottom plate 138.

In addition, for example also can on above-mentioned block part 262, establish V-shaped groove 268 as shown in Figure 20, form tapered portion 270 on above-mentioned brake component 264, for inner chimeric with V-shaped groove 268, the forward more end width of this tapered portion is narrow more, like this, can further improve positioning accuracy.In order to obtain very high positioning accuracy, the positioner 240 more than 2 promptly is set at two places at least, or establishes 1 positioner 240 and block part 262 shown in Figure 20, and with the brake component 264 of this block part tabling.In the latter case, the central channel of positioner 240 is preferably on the extended line of V-shaped groove 268.

Below, with Figure 21～Figure 25 squeegee drive unit 12 among Fig. 1 is described.Figure 21 is the front view of expression squeegee drive unit 12, Figure 22 is the figure that the pith of squeegee drive unit 12 is amplified the back expression, Figure 23 is Figure 22 XXIII-XXIII direction sectional drawing, be the figure that the pith of squeegee drive unit 12 is amplified the back expression, Figure 24 is the sectional drawing of expression state that scraper plate 368 hooks are lived, and Figure 25 is expression squeegee side coupling 392 and scraper plate side coupling 294 sectional drawing with respect to the installment state of squeegee support plate 290 and screed support plate 292.

The effect of squeegee drive unit 12 is, when carrying out serigraphy, the glue (not shown) on the silk screen 40 that is placed on plate-making 36 is expanded to a direction (top of Figure 21) along silk screen 40, on the way back, the glue that moves to 1 direction side is pushed back 1 direction side (below of Figure 21) in addition.In Figure 21, squeegee drive unit 12 has rectangle framework 284, this rectangle framework is by being located at 2 pairs of guide rails 280 on upper level framework 26 and the lower horizontal framework 28 respectively, under the state that is parallel to plate-making 36, on direction, lead perpendicular to plate-making 36, and, also can be toward or away from plate-making 36 by 2 countercylinders 282 that are located at respectively on upper level framework 26 and the lower horizontal framework 28.In the upper end of this rectangle framework 284, be connected with driving base plate 288 by several (in the present embodiment being 4) connecting rod 286.

On the limit, the left and right sides of above-mentioned rectangle framework 284, fixing 1 pair of guide rail 289 along its length direction, squeegee support plate 290 and screed support plate 292 are to be provided with like this, be that two ends, the left and right sides are by these 1 pair of guide rail, 289 guiding, so just can on operating personnel's one side and plate-making 36 silk screen 40 are separated by the position of predetermined distance, independently move back and forth along plate-making 36.On the bottom, limit, the left and right sides and above-mentioned driving base plate 288 of above-mentioned rectangle framework 284, be provided with 2 pairs of bearings 294, upper end and bottom are be arranged in parallel with above-mentioned guide rail 289 by 1 pair of helical axis 296 that these bearings 294 are supporting pivotally.Reductor 298 and CD-ROM drive motor 300 are fixed on and drive on the base plate 288, one square tube of above-mentioned 1 pair of helical axis 296 is crossed the reductor 298 that is connected on the helical axis upper end and is connected with CD-ROM drive motor 300, and 1 pair of helical axis 296 is also by belt 304 action property connections, and these belt 304 volumes hang on the belt pulley 302 that is individually fixed on the above-mentioned upper end.Like this, both ends are screwed in the squeegee support plate 290 and the screed support plate 292 that is connected on this squeegee support plate on above-mentioned 1 pair of helical axis 296, just can back and forth drive integratedly along this plate-making 36 by above-mentioned CD-ROM drive motor 300 on the position of plate-making 40 1 sections predetermined distances of silk screen of 36.In the present embodiment, above-mentioned squeegee support plate 290 and screed support plate 292 move back and forth parts and the 2nd as the 1st and move back and forth the parts use.

Above-mentioned squeegee support plate 290 and screed support plate 292, but by be located on squeegee support plate 290 two ends about the 1 pair of board connecting equipment 306 connecting with handling mode, as Figure 24 represents in detail, board connecting equipment 306 comprises connecting plate 308 and connecting pin 312, and wherein connecting plate 308 is from squeegee support plate 290 side-prominent setting on screed support plate 292; Connecting pin 312 is located at the front end of connecting plate 308, can be near also can leaving screed support plate 292 sides, but also can be by not shown spring to the screed support plate 292 side application of forces, so, can be fastened on and be located in the top connecting hole 310 of screed support plate 292.

As Figure 22 and the detailed expression of Figure 23, above-mentioned squeegee support plate 290 is provided with following parts: squeegee is cylinder 322 up and down, it is used for contacting at the silk screen 40 that makes squeegee 320 with plate-making 36, and on the position that squeegee is depressed, and on the position of 40 1 sections predetermined distances of silk screen, drive; Medium height position limiter cylinder 324, it uses as the intermediate altitude limiter that forms intermediate altitude, this intermediate altitude mean squeegee 320 before correct the height that contacts with silk screen 40; Lifting height limiter 326, it is used to set the upper limit position that squeegee 320 rises.The profile of above-mentioned squeegee 320 is the slightly little elongate shape of width dimensions than plate-making 36, it is made of vertical banded squeegee main body 328 and squeegee holding member 330, and wherein squeegee main body 328 is to make of the elastomer of systems such as the synthetic rubber of polyurethane and so on or natural rubber; Squeegee holding member 330 usefulness metals are done, and are used for clamping squeegee main body 328.In addition, up and down also be provided with adjusting bolt 332 with lock function on the cylinder 322 at above-mentioned squeegee, the projecting height that it is used to set take-off lever is the lower position of squeegee 320.In addition, also be provided with the adjusting bolt 334 of band positioning function on above-mentioned medium height position limiter cylinder 324, the outstanding length that is used to set take-off lever is the intermediate altitude limiter position of squeegee 320.Again, also be provided with the adjusting bolt 336 of band positioning function on rising upper limit position limiter 326, the height and position that is used to set the lower end is the rising upper limit position of squeegee 320.

Squeegee holding device 340 is connected above-mentioned squeegee up and down on the front end of the take-off lever 338 of cylinder 322, is used to keep above-mentioned squeegee 320.This squeegee holding device 340 is made of following several parts: longitudinal is parts 346 up and down, it to be shaped as the outstanding lengthwise in two ends downwards tabular, the both ends of longitudinally are by towards the below and be fixed on 1 pair of guide rail, 342 guiding below the squeegee support plate 290, like this, longitudinal parts 346 up and down just can be directed on the direction perpendicular to silk screen 40, and the central portion of length direction is connected on the take-off lever 338 by shaking coupling 344; Upper-lower position is regulated parts 352, and it is regulated and the relative position of parts 346 on above-below direction up and down by regulating bolt 348, and available moving up and down set bolt 350 is fixing; Longitudinal turned position adjusting rod 356, it is installed in upper-lower position and regulates on the parts 352, can rotate around the axle center, and available rotational fixation bolt 354 is fixed; Several fixed parts 364, it is to be that the engaging part 360 and the set bolt 362 of U word shape constitutes by section, wherein U word shape engaging part 360 is equally spaced to be provided with on the length direction of rotary position adjusting rod 365, it engages with 1 pair of slot 358 on the outside of the squeegee holding member 330 that is located at above-mentioned squeegee 320, and it is clamped; Set bolt 362 cooperates threadably with engaging part 360, and engaging part 360 is fixed on the rotary position adjusting rod 356.

Like this, squeegee 320 just leaves the position of silk screen 40 and the position that silk screen 40 is depressed in squeegee main body 328, driven up and down by cylinder 322 about the squeegee, and when the take-off lever of middle height and position limiter cylinder 324 is outstanding downwards, drive upward by cylinder 322 about the squeegee, like this, squeegee main body 328 just be positioned at just in time contact with silk screen 40 or with silk screen 40 gently on the position contacting.In addition, by changing the rotational angle of above-mentioned turned position adjusting rod 356, can regulate squeegee main body 328 and silk screen 40 contacted contact angle α, change the position that upper-lower positions are regulated parts 352 with regulating bolt 348, just can regulate position that squeegee main body 328 depresses silk screen 40 or the power of depressing dynamics.

As Figure 22 in detail shown in like that, above-mentioned screed support plate 292 comprises with the lower part: scraper plate is cylinder 370 up and down, its effect is that scraper plate 368 is contacted with plate-making 36 silk screen 40, and on the position that this scraper plate 368 is depressed, and leaves on the position of 40 1 sections predetermined distances of silk screen and drive; Parts 374 up and down, and it leads on above-below direction movably by the guide rail 372 that is fixed on the screed support plate 292, and cylinder 370 drives on above-below direction about can utilizing scraper plate; The longitudinal upper-lower position is regulated parts 378, and it can be regulated with this upper-lower position and regulate the relative position of parts 378 on above-below direction, and available moving up and down set bolt 376 is fixed; Longitudinal turned position adjusting rod 380, it can center on the axle center, regulate parts 378 with respect to upper-lower position and rotate, and available not shown rotational fixation bolt is fixed; Several fixed parts 382, it equally spaced be located at turned position adjusting rod 380 vertically on, be used for fixing scraper plate 368.This scraper plate 368 as shown in Figure 2, it is made of scraper plate main body 384 and scraper plate attaching parts 386, its middle scraper main body 384 is to make with the metal material of stainless steel and so on, it is shaped as tabular, both ends bend towards squeegee 320 1 sides; Scraper plate attaching parts 386, it and scraper plate main body 384 are connected on its upper end with being integral.Said fixing parts 382 are made of engaging part 388 and set bolt 390, this engaging part 388 engages with scraper plate attaching parts 386, set bolt and above-mentioned engaging part 388 lemons close, and this engaging part engages with scraper plate attaching parts 386, and it is fixed on the turned position adjusting rod 380.

Above-mentioned scraper plate up and down cylinder 370 and squeegee up and down cylinder 322 be fixed on squeegee support plate 290 and the screed support plate 292, when they are close mutually, couple together by 1 pair of pneumatics pipe arrangement 396 and 398, this pars intermedia to the pneumatics pipe arrangement is provided with removably squeegee side coupling 392 and the scraper plate side coupling 394 that is interconnecting respectively.Scraper plate up and down in 1 pair of balancing gate pit of cylinder 370, when squeegee 320 rises, become the balancing gate pit of high pressure conditions, with squeegee up and down in 1 pair of balancing gate pit of cylinder 322, the balancing gate pit that becomes high pressure conditions when scraper plate 368 descends is connected, meanwhile, scraper plate up and down in 1 pair of balancing gate pit of cylinder 370, when squeegee 320 descends, become the balancing gate pit of high pressure conditions, with squeegee up and down in 1 pair of balancing gate pit of cylinder 322, the balancing gate pit that becomes high pressure conditions when scraper plate 368 rises is connected.Therefore, when scraper plate 368 descends at squeegee 320, its lower end (front end) by scraper plate up and down cylinder 370 be on the position of leaving silk screen 40, when squeegee 320 rises, its lower end (front end) by scraper plate up and down cylinder 370 be in silk screen 40 position contacting on.

Like this, squeegee 320 and scraper plate 368 just are located at respectively and back and forth drive along plate-making 36 silk screen 40, and on separate the squeegee support plate 290 and screed support plate 292, therefore move back and forth the board connecting equipment 306 that member connecting device uses by conduct, squeegee support plate 290 and screed support plate 292 just become connection status, back and forth drive with fusing, so with the same in the past, squeegee 320 with plate-making 36 silk screen 40 state of contact under advance, glue so make a plate on 36 the silk screen 40 is pushed to a direction, carry out serigraphy, scraper plate 368 with plate-making 36 silk screen 40 state of contact under retreat, get back to another direction side so the glue of being pushed to a direction side by above-mentioned squeegee 320 is pushed again.

In addition, when changing glue, by operating personnel the connecting pin 312 of above-mentioned board connecting equipment 306 is extracted from connecting hole 310, so the connection status of squeegee support plate 290 and screed support plate 292 is disengaged, these squeegee support plates 290 and screed support plate 292 are just mutually from quite opening.Therefore, the interval that is located at the squeegee 320 on the squeegee support plate 290 and is located between the scraper plate 368 on the screed support plate 292 is quite big, so can reclaim the glue of a relative side that mainly is present in squeegee 320 and scraper plate 368 expeditiously, and attached to the glue on squeegee 320 and the scraper plate 368 also cleaning easily, shortened the activity duration, can fully clean simultaneously.And for example Figure 25 in detail shown in, be accompanied by interconnecting or separately action of squeegee support plate 290 and screed support plate 292, be located at and be communicated with the squeegee balancing gate pit of cylinder 322 and scraper plate up and down on the pneumatics pipe arrangement 396 and 398 pars intermedia of the balancing gate pit of cylinder 370 up and down, and be fixed on squeegee side coupling 392 on these squeegee support plates 290 and the screed support plate 292 and scraper plate side coupling 394 and also interconnect or throw off, therefore, the advantage of this structure is provided in a side of the squeegee 320 on the squeegee support plate 290 and is located at interval between the scraper plate 368 on the screed support plate 292, can not be subjected to up and down cylinder 322 and the scraper plate pneumatics pipe arrangement 396 between the cylinder 370 up and down of squeegee, 398 restriction, can freely enlarge, and can not hinder pneumatics pipe arrangement 396, carry out the cleaning work of glue under 398 the situation.In addition, also be provided with the lift arrangement that the squeegee drive unit is used, the rectangle framework 284 that is used to make squeegee support plate 290, screed support plate 292 and supports them is by cylinder 282 and away from plate-making 36, this device is at the isolated plant of changing or maintenance plate-making was used in 36 o'clock, does not use in comprising above-mentioned common operation of changing the glue operation.

Here, 36 upper level framework 26 and lower horizontal frameworks 28 fixing, that also use as the plate-making fixed frame are used for will making a plate under silk screen 40 heeling conditions, between the upper level framework 26 of upside and screed support plate 292, be provided with clamping close device 410, this clamping close device 410 is pushed to screed support plate 292 by squeegee support plate 290, automatically engage when reaching its fixed position, screed support plate 292 is stuck on its fixed position.As Figure 24 describes in detail, this clamping close device 410 is provided with engaging part 418 and engagement pin 422, wherein engaging part 418 is fixed on the upper level framework 26 by carriage 412, this holding section is provided with slot 414 and inclined guide surface 416, slot 414 is parallel with the moving direction of upper level framework 26 and screed support plate 292, upside opens wide and the downside sealing, above-mentioned inclined guide surface 416 is adjacent with slot 414, leaves upper level framework 26 more and just extends to the depth direction of slot 414 more; Engagement pin 422 is installed on the screed support plate 292 by carriage 420, and by coming the depth direction application of force of illustrated spring to above-mentioned slot 414, the front end that is in the engagement pin 422 of plate-making 36 1 sides just embeds in the above-mentioned slot 414.Like this, when screed support plate 292 during near upper level framework 26, the front end of engagement pin 422 just is tilted spigot surface 416 and pushes, its front end just is projected in this slot and blocks automatically when shifting above-mentioned slot 414 onto, when operating personnel extract above-mentioned engagement pin 422 from slot 414, engagement pin 422 just is disengaged with the marriage relation of slot 414, and screed support plate 292 just can move freely with respect to plate-making 36 and framework 14.

In addition, on above-mentioned squeegee support plate 290, also be fixed with and push to cylinder 430, remove the squeegee support plate 290 that connected by above-mentioned board connecting equipment 306 and screed support plate 292 interconnect state the time, this is pushed to cylinder 430 screed support plate 292 is pushed to, and shifts onto more than the predetermined distance.Simultaneously, also on screed support plate 292, be fixed with and touch plate 434, it and the preceding end in contact of pushing to the take-off lever 432 of cylinder 430.And this pushes to cylinder 430 according to the operation that is located at the change-over switch 436 on the squeegee support plate 290, and take-off lever 432 is converted to the state of drawing in or outstanding state.

Adopt above-mentioned clamping close device 410, just do not need to do following fixing operation, promptly need not drive squeegee support plate 290 before cleaning glue advances it obliquely upward, when shifting its clamped position onto on screed support plate 292, screed support plate 292 just blocks automatically, thereby prevents the operation that screed support plate 292 falls down.In addition, be stuck in screed support plate 292 on the clamping close device 410 like this after, drive squeegee support plate 290 it retreated to oblique below, so just easily separately squeegee support plate 290 and screed support plate 292.Again, by on push away cylinder 430 and make screed support plate 292 outstanding, make screed support plate 292 break away from squeegee support plate 290 easily, simultaneously also since utilize that air moves on push away the cushioning effect of cylinder 410, so the impact degree can alleviate above-mentioned screed support plate 292 and above-mentioned clamping close device 410 and touch the time.

The silk-screen printing device 10 of Gou Chenging is for example controlled with control device shown in Figure 26 as described above.Among the figure, electronic-controlled installation 440 is to comprise CPU, ROM, RAM, the microcomputer of input and output interfaces etc., CPU is according to the routine processes input signal that is stored in advance in the ROM, following parts are controlled: make the carrying roller move up and down the magnetic valve 442 of cylinder 52 actions of usefulness, make and touch the magnetic valve 444 that plate drives the cylinder action, make the magnetic valve 446 of slip cylinder 272 actions, make the magnetic valve 448 of clamping cylinder 86 actions, with the directions X impulse motor 190 of movable plate 146 to the directions X driving, the 1Y direction impulse motor 450 of the 1Y direction location mobile device 182 that movable plate 146 is driven to Y direction or θ direction and the 2Y direction impulse motor 452 of 2Y direction location mobile device 184, make the magnetic valve 453 of fixed cylinder 226 actions of fixture 220, be used for changing the CD-ROM drive motor 128 that drives carrying platform main body 110 usefulness between position L and the printing position R at substrate, make lower table drive the magnetic valve 454 of cylinder 116 actions, the magnetic valve 456 of bolt driving cylinder 254 actions in making, be used to drive the CD-ROM drive motor 300 of squeegee 320, make the squeegee magnetic valve 458 of cylinder action up and down, make the magnetic valve 460 of medium height position limiter cylinder 324 actions, make the magnetic valve 462 that pushes away cylinder 430 action, make squeegee drive unit 12 near or leave the magnetic valve 464 of cylinder 282 actions of plate-making 36.

In control box 466, be provided with following various switch: manual automatic transfer switch 468, it is used to change manual mode promptly makes the pattern of actuator action and the pattern that automatic mode promptly automatically makes the actuator action with manual operation separately; Be used to start or stop the printing starting shutdown switch 470 of automatic screen printing; The carrying roller is switch 472 up and down, and it is used for carrying roller 54 is transformed into lifting position or down position; Touch plate driving switch 474, it is used for following two states is changed, and this two states is to make to touch that plate 62 leaves fixed part 78,36 states of raising of will making a plate, and makes the state that plate 62 moves to fixed part 78 that touches; Version is advised slide switch 476 at interval, and it is used to change following two positions, and promptly the configuration version is advised 66 position at interval and do not disposed the version position of rule at interval between plate-making 36 and fixed part 78; Be used for plate-making 36 floatless switch 478 that are fixed on the framework 14; Directions X switch 480 is used for movable plate 146 is driven operation; It is moved to directions X; 1Y direction switch 482 and 2Y direction switch 484 are used for movable plate 146 is driven operation, and it is moved to the Y direction or to the θ direction; Movable plate floatless switch 485, it makes fixture 220 actions, so that simply that movable plate 146 is fixing; Workbench driving switch 486, it is used between substrate replacing position L and printing position R carrying platform main body 110 being driven; Workbench is switch 488 up and down, and it moves up and down lower table 114; Position-sensing switch 490, latch 252 was chimeric pin assembly 248 in it was used to drive; Squeegee driving switch 492, it is used to drive squeegee 320, makes it advance or retreat along silk screen 40; Squeegee is switch 494 up and down, and it moves up and down squeegee 320; Intermediate altitude switch 496, it makes squeegee 320 rise to intermediate altitude in it advances limit; The squeegee drive unit is switch 498 up and down, it make squeegee drive unit 12 near or leave plate-making 36.The operation signal that these switches sent is transmitted to electronic-controlled installation 440.In addition, the operation signal of the change-over switch 436 that pushes away cylinder 430 actions also is transported in the electronic-controlled installation 440.

Selecting under the situation of manual mode by operating above-mentioned manual automatic transfer switch 468, the efficient in operation of following hand switch, can carry out separately and the corresponding action of these switches, these switches are above-mentioned carrying roller switches 472 up and down, touch plate driving switch 474, version is advised slide switch 476 at interval, floatless switch 478, directions X switch 480,1Y direction switch 482 and 2Y direction switch 484, movable plate floatless switch 485, workbench driving switch 486, workbench is switch 488 up and down, position-sensing switch 490, squeegee driving switch 492, squeegee is switch 494 up and down, intermediate altitude switch 496, the squeegee drive unit is switch 498 up and down, change-over switch 436 hand switches such as grade.

For example, changing plate-making 36 o'clock, select after the manual mode by operation manual automatic transfer switch 468, operate floatless switch 478 again and remove the performed clamp position of clamping cylinder 86, plate driving switch 474 is touched in operation, can push plate-making 36 to squeegee drive unit 12 1 sides, but also advise slide switch 476 at interval by the operation version, advise 66 position at interval and rise to plug-in mounting version not always, and then touch plate driving switch 474 by operation and will touch plate 62 and draw in fixed part 78 1 sides, plate-making 36 is dropped to till the 1st guide plate 46 contacts always.In this state, when switch 472 rises carrying roller 54 up and down by operation carrying roller, can move used plate-making 36 gently, move it outside of silk-screen printing device 10 to by carrying roller 54 and ball swivel body 50.Otherwise by above-mentioned carrying roller 54 and ball swivel body 50 36 installation sites that are inserted into regulation gently of will newly making a plate, operation carrying roller switch 472 up and down descends carrying roller 54 then.At this moment, confirm that in advance version is spaced apart under the situation of nought state, operation floatless switch 478 carries out clamping by clamping cylinder 86, with plate-making 36 crampings at the pushing liner 80 of clamping cylinder 86 with touch between the plate 62.At this moment, advise 66 state at interval, so can make last lower table 114 risings that are placed with substrate 42, so can confirm that the version interval D 1 between silk screen 40 and the substrate 42 is zero by operation element platform switch 488 up and down owing to be in plug-in mounting version not.Then, operation floatless switch 478 is removed the clamp position of clamping cylinder 86, touching plate drive unit 474 by operation will make a plate and shift squeegee drive unit 12 1 sides onto on 36, simultaneously, advising slide switch 476 at interval by operation version makes version advise 66 at interval to drop to after the plug-in mounting position, operation is touched plate driving switch 474 and will be touched plate 62 and draw in again, meanwhile, by operation floatless switch 478, make clamping cylinder 86 carry out holding action and will make a plate 36 fixedly the time, just form with version and advise 66 corresponding editions interval D 1 at interval.In addition, advise slide switch 476 at interval by operation version, at the rule holding member between 76 rising stages, version originally advises 66 at interval can be replaced with the version rule at interval that are suitable for new plate-making 36 as required.

In addition, when changing glue, after manual automatic transfer switch 468 selects manual mode by operation, remove the connection status of squeegee support plate 290 and screed support plate 292 again by board connecting equipment 306, and operation change-over switch 436, the take-off lever 432 that pushes away cylinder 430 in the utilization will push away on the screed support plate 292, away from 290 1 sections predetermined distances of squeegee support plate, operation squeegee driving switch 492 under this state, squeegee support plate 290 is advanced, when screed support plate 292 is driven to its rising the highest limit (engaging) position, make screed support plate 292 engaging automatically on its assigned position by clamping close device 410.Again, when by operation squeegee driving switch 492 squeegee support plate 290 being retreated, the interval between screed support plate 292 and the squeegee support plate 290 increases, and carries out the cleaning work of squeegee 320, scraper plate 368 and silk screen 40 easily.After this cleaning work finishes, operate squeegee driving switch 492 again, squeegee board 290 is advanced, simultaneously, the engagement pin 422 of clamping close device 410 is extracted, thereby the fastening state of screed support plate 292 is removed, by on push away cylinder 340 take-off lever stop, by operation change-over switch 436, be under the state that is drawn at the last take-off lever 432 that pushes away cylinder 430, the connecting pin 312 of operation panel jockey 306 makes screed support plate 292 be connected with squeegee support plate 290.

But, to select under the situation of automatic mode by operation manual automatic transfer switch 468, the operation of above-mentioned hand switch is invalid, automatically carries out serigraphy according to the operation of printing starting shutdown switch 470 simultaneously.Promptly, when utilizing not shown handler that new substrate 42 is held in place substrate and changes the substrate at L place, position and carry on the movable plate 146 of platform 104, the substrate location checkout gear 13 of location usefulness just detects 1 pair of position mark beating on this substrate 42, so positioner just moves.That is, 184 actions of directions X location mobile device 180, the 1Y direction location mobile devices 182,2Y direction location mobile device so that make this to position mark automatically with pre-set position consistency.Then, utilizing CD-ROM drive motor 128 to drive substrate carrying platform 104 moves it on the R of printing position, make lower table 114 near plate-making 36 1 sides then, by hole enlargement pin 250 hole enlargements of chimeric pin assembly 248, the plate-making 36 that is fixed on the framework 14 is located mutually with the substrate 42 that is placed on the lower table 114 simultaneously.At this moment, on (rising) position of advancing, when the squeegee 320 of the height and position that mediates rises to upper limit position, scraper plate 368 drops to and silk screen 40 position contacting simultaneously, and in this state, in a single day squeegee 320 and scraper plate 368 retreat into it and retreat after (decline) position, squeegee 320 just drops on the position of pushing silk screen 40, meanwhile scraper plate 368 rises, under this kind state, advance again, so the glue on the silk screen 40 just with the graph copying of regulation on substrate 42.Then, squeegee 320 is positioned on the centre position, lower table 114 is descended to the direction of leaving silk screen 40, then, drive substrate carrying platform 104 by CD-ROM drive motor 128, move it substrate and change on the L of position, the substrate 42 after will being printed by handler then changes new substrate 42 into.

When finishing above-mentioned location action, electronic-controlled installation 440 has the function of position control device, by changing the directions X position of directions X drive pin 148, substrate 42 and the relative position of plate-making 36 on directions X are positioned, change equal amount by Y direction position with 1Y direction drive pin 152 and 2Y direction drive pin 154, substrate 42 and the relative position of plate-making 36 on the Y direction are positioned, change the amount that does not wait by the Y direction position with 1Y direction drive pin 152 and 2Y direction drive pin 154, the rotary position θ with respect to plate-making 36 positions to substrate 42.Like this, just can regulate directions X position, Y direction position and position, the angle of revolution θ of movable plate without following apparatus, promptly do not need directions X guider that the directions X workbench is led, the directions X workbench is sent the directions X workbench of usefulness to and is sent screw mechanism to, the Y direction guider that Y direction workbench is led, send the Y direction of Y direction workbench to and send screw mechanism to, the gyratory directions guiding mechanism that on gyratory directions, workbench is led, make workbench along rotating gyratory directions drive unit of gyratory directions etc.

In addition, above-mentioned electronic-controlled installation 440, when doing location action, in during the moving of movable plate 146, by switch transition control valve 168, from Compressed Gas feedway 172 to the 2nd upper and lower bottom plate 144 voltage supply gas that contracts, at movable plate 146 with support and form the Compressed Gas layer between the 2nd upper and lower bottom plate 144 of this movable plate, movable plate 146 is moved by directions X drive pin 148,1Y direction drive pin 152 and the minimum power of 2Y direction drive pin 154 usefulness that drives according to the signal of telecommunication.On the other hand, after movable plate 146 location finish,, supply negative pressure to the 2nd upper and lower bottom plate 144, movable plate 146 is absorbed and fixed on the 2nd upper and lower bottom plate 144 by Negative pressure supply device 170 by switch transition control valve 168.Because be to constitute like this, so have the following advantages, promptly the driving mechanism and the fixed mechanism of directions X drive pin 148,1Y direction drive pin 152 and 2Y direction drive pin 154 are very little.

More than with accompanying drawing one embodiment of the invention are illustrated, but the present invention also is applicable to the silk-screen printing device of other forms.

For example, on the silk-screen printing device 10 of the foregoing description, chimeric member 244 with embedded hole 242 is fixed on the partition component 58, it is on the substrate carrying platform 104 that the chimeric pin assembly 248 that is made of hole enlargement pin 250 and interior latch 252 is fixed on lower table 114, but in contrast, gomphosis part 244 also can be fixed on the lower table 114, and chimeric pin assembly 248 also can be separately fixed on this partition component under the state relative with partition component 58.

In addition, on the foregoing description silk-screen printing device 10, the chimeric pin assembly 248 that is made of hole enlargement pin 250 and interior latch 252 is driven cylinder 116 to gomphosis part 244 1 side drives by last lower table.But, for example 36 be toward or away under the situation of substrate in plate-making, on the contrary, also can back and forth drive screed support plate 292, with gomphosis part 244 to chimeric pin 248 1 side drives.

Again, on the foregoing description silk-screen printing device 10, plate-making 36 is to be fixed on the framework 14 with heeling condition, but the form of fixing with level is also passable.Even like this, also can obtain the effect same with the foregoing description.

In addition, in the above-described embodiments, the chimeric pin assembly 248 that constitutes by hole enlargement pin 250 and interior latch 252, be to adopt by last lower table to drive the structure of cylinder 116 to gomphosis part 244 1 side drives, but also can adopt following structure, promptly need not go up lower table driving cylinder 116 and drive lower table 114, but make hole enlargement pin 250 and embedded hole 242 chimeric by other actuator.

Again, in the above-described embodiments, actuator or drive source are to use clamping cylinder 86, slip cylinder 72, touch plate driving cylinder 64 etc., but also can use other forms of actuator or drive sources such as linear motor, hydraulic cylinder, o.

In addition, the clamping device 90 of the foregoing description is to keep making a plate 36 with air operated clamping cylinder 86, but, also can utilize spring applied force to keep making a plate 36 by the electro-motor compression.

Again, on the silk-screen printing device 10 of the foregoing description, the rectangle framework 284 of squeegee support plate 290 and screed support plate 292 and this support plate of supporting is left plate-making 36 by cylinder 282, but also not necessarily leaves no choice but be provided with cylinder 282.

Again, on the silk-screen printing device 10 of the foregoing description, squeegee support plate 290 is back and forth to be driven by CD-ROM drive motor 128, screed support plate 292 is mobile and driven along with squeegee support plate 290, otherwise, also can be that screed support plate 292 back and forth drives, squeegee support plate 290 is mobile and driven along with it then.

Again, in the above-described embodiments, actuator or drive source are to use CD-ROM drive motor 300, and squeegee is cylinder 322, scraper plate cylinder 370 etc. up and down up and down, but also other forms of actuator or drive sources such as useable linear motor, hydraulic cylinder, o.

In a word, foregoing is one embodiment of the invention, can so long as carry out all changes in aim scope of the present invention.

Claims (14)

1. silk-screen printing device, it comprises following a few part: be located at the plate-making on the substrate printing position; Predefined substrate change be provided with movably between position and the substrate printing position, carry platform change the substrate that the substrate that loads position is transported to the substrate printing position at this substrate; Be used for positioner that this substrate carrying platform is positioned in above-mentioned substrate printing position, when carrying out serigraphy, make above-mentioned substrate be positioned at plate-making under, it is characterized in that above-mentioned positioner comprises with the lower part:

Embedded hole, it is located at the fixed-site parts and the above-mentioned substrate that are disposed on the above-mentioned substrate printing position and carries on the side of platform;

Cylindric hole enlargement pin, it is located at the fixed-site parts and the above-mentioned substrate that are disposed on the above-mentioned substrate printing position and carries on the opposing party of platform;

Chimeric drive unit, it is used to drive a side of embedded hole and hole enlargement pin, they is moved, so that the hole enlargement pin is embedded in the embedded hole towards mutual approaching direction;

Interior latch, it be with can above-mentioned hole enlargement pin axially on the mode that moves be provided with, be used to insert the external diameter that makes this hole enlargement pin in the hole enlargement pin and enlarge;

Interior latch drive unit, latch in driving is somebody's turn to do under its state in above-mentioned hole enlargement pin injects embedded hole carries out hole enlargement to the hole enlargement pin.

2. silk-screen printing device according to claim 1, above-mentioned substrate carrying platform has carrying platform main body, and it is changed between position and the substrate printing position at above-mentioned substrate by guide rail and leads; Last lower table, it is located on this carrying platform main body in the mode that can be toward or away from above-mentioned plate-making;

Above-mentioned embedded hole is located on the side of the fixed-site parts that are disposed on the substrate location and last lower table;

Above-mentioned hole enlargement pin is located on the opposing party of the fixed-site parts that are disposed on the above-mentioned substrate printing position and last lower table.

3. silk-screen printing device according to claim 2, above-mentioned hole enlargement pin, interior latch and interior latch drive unit are located on the lower table,

Above-mentioned embedded hole is located on the fixed-site parts, so that can be relative when substrate carrying platform is in the printing position with the hole enlargement pin,

Should go up lower table near above-mentioned plate-making, the hole enlargement pin that is located on the lower table is embedded in the above-mentioned embedded hole.

4. according to claim 1 each described silk-screen printing device to the claim 3, above-mentioned positioner will be established 2 at least.

5. according to claim 1 each described silk-screen printing device to the claim 3, above-mentioned silk-screen printing device also comprises:

Single above-mentioned positioner;

Vee-block parts with V-shaped groove, it is located at the fixed-site parts and the substrate that are disposed on the above-mentioned substrate printing position and carries on the side of platform, is positioned on the straight line by this single positioner central shaft;

Engaging protrusion, it is located on the opposing party of the fixed-site parts that are disposed on the above-mentioned substrate printing position and substrate carrying platform, and the V-shaped groove that imbeds under the state in the embedded hole with the vee-block parts at above-mentioned hole enlargement pin fastens.

6. silk-screen printing device according to claim 1, above-mentioned silk-screen printing device has the plate-making holding device, it is used for the peripheral part of this plate-making is maintained, so that can form version at interval between silk screen of making a plate and substrate when printing, this plate-making holding device comprises following part:

Fixture, by with push part with the peripheral part of above-mentioned plate-making to the pushing of fixed-site parts, plate-making is fixed between this push part and the fixed-site parts, these fixed-site parts are positioned on the position than the more close substrate side of plate-making;

Several editions are rule at interval, and they respectively have the thickness that forms predefined several editions interval;

Version is advised holding device at interval, under the state between the peripheral part of a kind of edition interval of selecting being advised insertion position fixed part and plate-making from several editions are advised at interval, with this edition at interval rule maintain, these fixed-site parts are positioned on the position than the more close substrate of above-mentioned plate-making.

7. silk-screen printing device according to claim 6, advise holding device has following part to above-mentioned version at interval:

The rule holding member, it is located at the peripheral part of plate-making and between than plate-making more close substrate side locational fixed-site parts, makes the above-mentioned version embedded hole that embeds of rule at interval but be provided with on its part of front by handling mode;

Actuator, it make the rule holding member be fitted with between the peripheral part of position fixed part and plate-making version at interval rule the position and this edition of plug-in mounting is mobile between the position of rule at interval.

8. silk-screen printing device according to claim 7, it also comprises following part:

Touch plate, it is to be provided with like this, promptly in the peripheral part of above-mentioned plate-making and version at interval between the rule, touch with this plate-making and can on the press direction of above-mentioned push part and anti-press direction, move, on anti-press direction, allow above-mentioned rule holding member to move when mobile;

Actuator drives to above-mentioned press direction by touching plate, version is advised cramping at interval touching the backboard face and than plate-making more between the fixed-site parts near substrate side, or by driving to above-mentioned anti-press direction, allow the rule holding member to move.

9. according to claim 6 each described silk-screen printing device to the claim 8, the said fixing device has the pneumatics cylinder, and it is outstanding to the press direction of this push part that it makes front end be fixed with the take-off lever of push part.

10. silk-screen printing device according to claim 8, the above-mentioned thickness that touches plate is thicker than above-mentioned plate-making, it is also big to advise the gauge that is increased at interval than plug-in mounting version between the periphery of fixed-site parts that are disposed at substrate side and plate-making, the part of above-mentioned embedded hole periphery is cut into breach, so that the version that can will imbed in this embedded hole is advised the center side of moving above-mentioned silk screen at interval.

11. silk-screen printing device according to claim 1, be the glue on the silk screen of plate-making to be expanded to 1 direction with squeegee, and then the glue that moves to 1 direction side by squeegee is back into 1 direction side in addition with scraper plate, the silk-screen printing device of this form also comprises following part:

First moves back and forth parts, it is to be provided with like this, and promptly it can make the silk screen of above-mentioned squeegee and plate-making touch, also can be away from silk screen, when squeegee was positioned on the position of the one section predetermined distance of silk screen that leaves plate-making, first moves back and forth parts just moved back and forth along this plate-making;

The 2nd moves back and forth parts, it is to be provided with like this, and promptly it can make scraper plate and above-mentioned silk screen touch, also can be away from this silk screen, when scraper plate was on the position of the one section predetermined distance of silk screen that leaves plate-making, the 2nd moves back and forth parts just moved back and forth along this plate-making;

Move back and forth member connecting device, it to be can connecing, move back and forth parts and the above-mentioned the 1st from mode with the 2nd and move back and forth parts and couple together, so that the 2nd moves back and forth parts and move back and forth parts with the 1st and move back and forth.

12. silk-screen printing device according to claim 11, it also comprises following part:

Squeegee is cylinder up and down, and it is located at the above-mentioned the 1st and moves back and forth on the parts, its effect be squeegee can and the contacted position of silk screen of plate-making and having left between the position of this silk screen this squeegee is driven;

Scraper plate is cylinder up and down, it is located at the 2nd and moves back and forth on the parts, when above-mentioned squeegee moves on on the position of leaving silk screen, this position is just as the silk screen position contacting that can make above-mentioned scraper plate and plate-making, when squeegee move on to above-mentioned silk screen position contacting on the time, the position of silk screen has just been left in this position as this scraper plate;

The pressure pipe arrangement, it is located at the above-mentioned the 1st and moves back and forth parts and the 2nd and move back and forth between the parts, moving back and forth parts and the 2nd the 1st moves back and forth under the interconnective state of parts, above-mentioned squeegee is communicated with the balancing gate pit of cylinder up and down with scraper plate the balancing gate pit of cylinder up and down, move back and forth parts and the above-mentioned the 1st the 2nd and move back and forth under the state of isolation of components, this squeegee is the balancing gate pit and the scraper plate connected state releasing of the balancing gate pit of cylinder up and down of cylinder up and down.

13. according to claim 11 or 12 described silk-screen printing devices, it also comprises following part:

The plate-making fixed frame, under the silk screen heeling condition, this fixed frame is fixed above-mentioned plate-making;

Clamping close device, the fixed part that it is located at and this plate-making fixed frame becomes one and the above-mentioned the 2nd moves back and forth between the parts, move back and forth parts and moved back and forth when shifting its fixed position on the parts onto by the 1st when the 2nd, just engaging automatically moves back and forth parts with the 2nd and is stuck on its fixed position.

14. silk-screen printing device according to claim 13, it also comprises and pushes away cylinder, should on push away cylinder and be located at the 1st and move back and forth on the parts, when moving back and forth after state that member connecting device couples together is disengaged by above-mentioned, should on push away cylinder and move back and forth on the parts the 2nd and push away, move back and forth one section predetermined distance of parts away from the 1st.

Images