CN1231964A

CN1231964A - Screen printing apparatus

Info

Publication number: CN1231964A
Application number: CN99104999A
Authority: CN
Inventors: 高浪铁三
Original assignee: Nortake Electronics Industry Co Ltd; Noritake Co Ltd
Current assignee: Nortake Electronics Industry Co Ltd; Noritake Co Ltd
Priority date: 1998-04-13
Filing date: 1999-04-13
Publication date: 1999-10-20
Anticipated expiration: 2019-04-13
Also published as: JPH11291447A; KR19990083129A; CN1138631C; TW438681B; JP3284189B2; KR100554897B1

Abstract

A screen printing apparatus is disclosed. A moving plate set on a second vertical base plate is held in the direction X by an X-direction drive pin and an X-direction biasing pin and also held in the direction Y by a first Y-direction drive pin and a first Y-direction biasing pin and by a second Y-direction drive pin and a second Y-direction biasing pin respectively. Therefore the position of a substrate for plate making, which is supported by the moving plate, is adjusted in the direction X by the X-direction drive pin being moved and in the direction Y by the first Y-direction drive pin and the second Y-direction drive pin being moved by the same amount, while a rotational position theta of the substrate for the plate making is adjusted by the first Y- direction drive pin and the second Y-direction drive pin being moved by different amounts or in different directions.

Description

Silk-screen printing device

The present invention relates to silk-screen printing device, particularly relate to, the technology that the substrate of need printing is positioned with respect to the position of plate-making on directions X, Y direction, gyratory directions of fixed-site with simple and small-sized mechanism.

In silk-screen printing device, only be provided with very little gap between plate-making and the printed substrates on its printing position, on the other hand, the space that the handler that the replacing substrate is used need be stipulated, therefore generally on the position of leaving this printing position certain distance, establish substrate and change the position, and the substrate carrying platform that can back and forth drive is set, is used for that this substrate is changed the position from substrate and is transported to the printing position.And, on this silk-screen printing device, on substrate carrying platform, X, Y, θ governor motion are set, be used for the position of substrate with respect to plate-making positioned.Before carrying out serigraphy, utilize this X, Y, θ governor motion, regulate substrate with respect to the directions X position of plate-making, perpendicular to the Y direction position and position, the angle of revolution θ of this directions X, like this, just can need to determine the position of the image of printing for substrate.

But above-mentioned X, Y, θ governor motion in the past for example has following part: be directed to the directions X movable plate that can move on directions X on base plate; Make the directions X fine motion governor motion of this directions X movable plate fine motion on directions X; To the fixing directions X fixture of usefulness of directions X movable plate; On this directions X movable plate, on the Y direction, be directed to transportable Y direction movable plate; Make the Y direction fine motion adjusting device of this Y direction movable plate fine motion on the Y direction; To the fixing Y direction fixture of usefulness of Y direction movable plate; On this Y direction movable plate, can center on the rotating finger plate in its center; The revolution fine motion adjusting device that usefulness is regulated in fine motion is carried out in the position, angle of revolution of this finger plate; To the fixing revolution fixture etc. of usefulness of finger plate, on this finger plate, place substrate, owing to above-mentionedly constitute X, Y, θ governor motion in this wise, therefore have following problem: promptly the volume of X, Y, θ governor motion is big, shared space is big, so silk-screen printing device also becomes large-scale device, and the weight of X, Y, θ governor motion is big, makes its mechanism that moves back and forth also big.In addition, the number of components that needs is many, so the price height of silk-screen printing device.

The present invention studies as a setting with above-mentioned situation, and its purpose is to provide a kind of simple in structure, silk-screen printing device with small-sized and cheap X, Y, θ governor motion.

For achieving the above object, the main points of silk-screen printing device of the present invention are, it is provided with plate-making and substrate carrying platform, wherein plate-making is located at the substrate printing position, substrate carrying platform has following part: carrying platform main body, and it is changed between position and the substrate printing position at predefined substrate and leads; Last lower table, it is to be provided with like this, promptly on this carrying platform main body, can be toward or away from above-mentioned plate-making, this substrate carrying platform is used for being transported to this substrate printing position with changing the substrate that is placed on above the lower table on the position at this substrate, when carrying out serigraphy, make above-mentioned substrate be positioned at plate-making under, in the silk-screen printing device of above-mentioned form, the above-mentioned lower table of going up comprises with the lower part: (a) upper and lower bottom plate; (b) movable plate, it be placed on this upper and lower bottom plate above, can relatively move being parallel on the direction of this upper and lower bottom plate, this movable plate is used to support above-mentioned substrate; (c) directions X driver part and directions X force application part, they are provided in a side of 1 pair of parts on the above-mentioned upper and lower bottom plate, its effect is this movable plate of clamping on directions X, drive on this directions X according to signal of telecommunication directions X driver part, the directions X force application part applies the power of regulation to this directions X driver part; (d) 1Y direction driver part and 2Y direction driver part, and 1Y direction force application part and 2Y direction force application part, they are provided in a side of 2 pairs of parts on the above-mentioned upper and lower bottom plate, its effect is at the above-mentioned movable plate of clamping under the state that leaves predetermined distance on the directions X, on perpendicular to the Y direction of this directions X, drive on the Y direction according to signal of telecommunication 1Y direction driver part and 2Y direction driver part, 1Y direction force application part and 2Y direction force application part apply the power of regulation to this 1Y direction driver part and 2Y direction driver part.

According to the present invention, the movable plate that is placed on above the upper and lower bottom plate carries out clamping with the application of force of regulation by directions X driver part and directions X force application part on directions X, simultaneously, by 1Y direction driver part and 1Y direction force application part, and 2Y direction driver part and 2Y direction force application part carry out clamping with the application of force of regulation respectively on the Y direction, therefore, by the directions X driver part is moved, just can the directions X adjusted be supported on the movable plate substrate with respect to plate-making the position, by making 1Y direction driver part and 2Y direction driver part mobile phase distance together, just can Y direction adjusted be supported on the movable plate substrate with respect to plate-making the position, by making 1Y direction driver part and 2Y direction driver part move different distances or move, just can regulate the substrate that is supported on the movable plate with respect to the rotary position θ that makes a plate to different directions.Therefore, according to the present invention, can not use following apparatus and constitute X, Y, the θ governor motion, promptly do not use the directions X movable plate that can on directions X, move by the guide rail guiding on the base plate, make the directions X fine motion adjusting device of this directions X movable plate fine motion on directions X, to the fixing directions X fixture of usefulness of directions X movable plate, the Y direction movable plate that on this directions X movable plate, can on the Y direction, move by the guide rail guiding, make the Y direction fine motion adjusting device of this Y direction movable plate fine motion on the Y direction, to the fixing Y direction fixture of usefulness of Y direction movable plate, the finger plate that on this Y direction movable plate, can be provided with pivotally around its center, the position, angle of revolution of this finger plate is carried out the revolution micromatic setting of microcall, to the fixing revolution fixture etc. of usefulness of finger plate, owing to above-mentionedly constitute X in this wise, Y, the θ governor motion, therefore its volume is little, shared space is little, so make also miniaturization of silk-screen printing device, alleviated X simultaneously, Y, the weight of θ governor motion, also dwindled and made it move back and forth the mechanism of usefulness, and amount of parts reduces, so the low price of silk-screen printing device.

Here, comparatively ideal silk-screen printing device comprises with the lower part: (e) several pores, and it is located on the end face of upper and lower bottom plate; (f) Compressed Gas feedway, it is used for giving off Compressed Gas from several pores of this upper and lower bottom plate; (g) Negative pressure supply device, it is used to make in several pores of above-mentioned upper and lower bottom plate becomes negative pressure state, and above-mentioned movable plate is inhaled on this upper and lower bottom plate; (h) switchover control valve, its effect be during above-mentioned movable plate moves in, from above-mentioned Compressed Gas feedway Compressed Gas is supplied with above-mentioned upper and lower bottom plate, after this movable plate location finishes,, with this upper and lower bottom plate of negative pressure feeding this movable plate is fixed on this upper and lower bottom plate from above-mentioned Negative pressure supply device.According to such structure, in during movable plate moves, pass through switchover control valve, from the Compressed Gas feedway up and down base plate supply with Compressed Gas, so in several pores of above-mentioned upper and lower bottom plate, give off compressed air, just at movable plate with support between the upper and lower bottom plate of this movable plate and form air film, therefore can movable plate be moved.In addition, after this movable plate location finishes, supply with negative pressure from above-mentioned Negative pressure supply device to this upper and lower bottom plate by switchover control valve, so become negative pressure state in several pores of above-mentioned upper and lower bottom plate, movable plate is just inhaled on its upper and lower bottom plate of supporting, so movable plate can positively be fixed.Therefore, this structure has following advantage: do not need to be provided with the guide rail that makes movable plate mobile usefulness on X, Y direction and gyratory directions, device is simple and volume is little.

In addition, comparatively ideal silk-screen printing device also comprises (i) position control device, this position control device is by the directions X position of the above-mentioned directions X driver part of change, the directions X position of above-mentioned substrate with respect to above-mentioned plate-making positioned, by making the identical distance of Y direction position change of above-mentioned 1Y direction driver part and 2Y direction driver part, the Y direction position of this substrate with respect to this plate-making positioned, by making the different distance of Y direction position change of 1Y direction driver part and 2Y direction driver part, the rotary position of this substrate with respect to plate-making positioned.According to such structure, by small-sized directions X driver part, 1Y direction driver part and 2Y direction driver part are controlled, just can position substrate, therefore, its advantage is: need not adopt directions X workbench guider, directions X workbench to send screw, Y direction workbench guider, Y direction workbench to and send screw, working platform swing mechanism and revolving feed device to, just can regulate the directions X position of movable plate, Y direction position, position, angle of revolution θ with the small-sized and lightweight screw mechanism of sending to.

In addition, comparatively ideal silk-screen printing device also comprises fixture, and this fixture has with the lower part: (j) hole with the level, and it is made of small diameter bore and coupled large diameter hole, connects above-mentioned movable plate; (k) fixed head, its diameter is littler than above-mentioned large diameter hole; (1) fixed cylinder, it is located on the above-mentioned upper and lower bottom plate, and this fixed cylinder has take-off lever, and the diameter of this take-off lever is littler than above-mentioned small diameter bore, and take-off lever connects small diameter bore, and the front end of take-off lever is fixed with fixed head.According to such structure, its advantage is even do not become negative pressure state in several pores of upper and lower bottom plate, also movable plate can be fixed on the upper and lower bottom plate.

Again, on the comparatively ideal silk-screen printing device, (m) above-mentioned movable plate is a rectangle, (n) above-mentioned directions X driver part and directions X force application part are that section is circular pin, 2 limits that are parallel to the Y direction of they and this movable plate fasten, this movable plate of clamping on directions X, (o) above-mentioned 1Y direction driver part and 2Y direction driver part, and 1Y direction force application part and 2Y direction force application part are that section is circular pin, they fasten this movable plate of clamping on the Y direction with 2 limits that are parallel to directions X of above-mentioned movable plate respectively.According to such structure, 2 limits that are parallel to each other of movable plate are that circular pin carries out clamping with the power of regulation respectively by section on directions X and Y direction, therefore have the following advantages:, also can not influence the adjusting position of movable plate even the contact position of directions X driver part, directions X force application part, 1Y direction driver part, 2Y direction driver part, 1Y direction force application part, 2Y direction force application part and movable plate has the changing of the relative positions.

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

Fig. 2 is the framework that is used for the printing equipment of key diagram 1, is the front view of having removed behind positioner, squeegee drive unit, the 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 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 that is used for the included last lower table of the substrate carrying platform 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 the front view of last lower table of having removed the state of movable plate in the presentation graphs 6,

Figure 10 is the front view of last lower table of having removed the state of movable plate and the 2nd upper and lower plates 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 pith sectional drawing that the fixture of key diagram 6 is used,

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 the shape amplification of the hole enlargement pin of Figure 17 and interior latch is described usefulness,

Figure 19 is the front view that the shape amplification of the hole enlargement pin of Figure 17 is described usefulness,

Figure 20 is the figure that other example of the block part of Figure 17 and brake component is described usefulness,

Figure 21 is the front view that the squeegee drive unit of Fig. 1 is described usefulness,

Figure 22 is with the pith amplification of the squeegee support plate of Figure 21 and screed support plate and the figure of expression,

Figure 23 amplifies the pith of the squeegee support plate of Figure 21 and expression, and a part is cut open and the side view represented,

Figure 24 is the pith sectional drawing that the squeegee support plate that is located at Figure 21 and the board connecting equipment on the screed support plate, clamping close device, squeegee, scraper plate etc. is described usefulness,

Figure 25 represents releasably the squeegee side coupling that the pneumatics pipe arrangement with Figure 21 couples together and the figure of scraper plate side coupling,

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

Below, the silk-screen printing device 10 that one embodiment of the invention large-sized substrate is used is elaborated with reference to the accompanying drawings.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 it, in Fig. 2, taken down the location with substrate location checkout gear 13 and back with the squeegee drive unit 12 stated etc.In addition, right side part R is the printing position of carrying out serigraphy on above-mentioned substrate 42 among Fig. 2, left part L is the replacing position that this substrate 42 is changed by not shown handler, a pair of position mark on this substrate 42 that is detected with substrate location checkout gear 13 by a pair of above-mentioned location before new substrate 42 printings of being changed also is the position that positions by predefined printing position by the X-Y-θ position adjustment function of going up lower table 114 described later.

It is framework 14 that silk-screen printing device 10 is provided with machine frame, and it sees it is the rectangular box-like of laterally length from the front, see it is right angled triangle frame shape from the side.This framework 14 is by constituting with the lower part: rectangular box-like underframe 18, and the installed surface that it is provided with several and level is the contacted base 16 in ground; 1 pair of vertical column 22, it vertically is provided with from 1 across corner of non-operator (back side) side of underframe 18, and the tie-beam 20 of its upper end by level is connected with each other; 1 pair of batter post 24, it is provided with the heeling condition about 60 degree for example from 1 across corner of operator (front) side of frame 18, and is connected with the upper end of above-mentioned vertical column 22; Upper level framework 26 and lower horizontal framework 28, they are fixed on the upper end and the bottom of above-mentioned 1 pair of batter post 24, flatly are erected between the upper end and between the bottom respectively.In addition, upper level framework 26 improves rigidity with lower horizontal framework 28 by the strengthening

part

30,32,34 that is connected with the intermediate portion.

As shown in Figure 3, above-mentioned silk-screen printing device 10 used plate-making 36 are to have for example thick film screen printing plate-making of the very big type of the profile about 1500 (indulging) mm * 1800 (horizontal stroke) mm, constitute by the rectangle frame 38 of light-alloy systems such as aluminium alloy and the silk screen 40 that is located on the one side of this rectangle frame 38, on this silk screen 40, apply after the latex that constitutes by ray hardening resin of specific thickness, the unhardened part of shading was removed when latex hardened during exposure, just formed the negative film that needs the printing image.Therefore the part that only is removed above-mentioned ray hardening resin coating among the silk screen 40 can be passed through glue, can carry out the thick film screen printing of required figure on the large-sized substrate 42 that for example 40 inches plasma display systems are used.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, be used for keeping or the above-mentioned plate-making 36 of clamping, and be fixed on the framework 14 with the heeling condition about 60 degree.Above-mentioned upper level framework 26 and lower horizontal framework 28 use as the plate-making fixed frame, promptly are used for fixing plate-making with the 60 degree state that tilts.

Flatly fixedly install microscler 1 couple the 1st guide plate 46 and microscler 1 couple the 2nd guide plate 48 on upper level framework 26 and lower horizontal framework 28 respectively, wherein to have with plate-making 36 one side be the relative spigot surface of face of silk screen 40 1 sides of rectangle frame 38 to the 1st guide plate 46; The 2nd guide plate 48 has and plate-making 36 the relative spigot surface of end face, and plate-making 36 is guiding by the 1st guide plate 46 and the 2nd guide plate 48 and in the horizontal direction.In addition, with the state more outstanding slightly several ball swivel bodies 50 are set respectively than the spigot surface of each the 1st guide plate 46, be provided with from resinous carrying rollers 54 such as 1 pair of outstanding nylon resin of the spigot surface that is fixed on the 2nd guide plate 48 on the lower horizontal framework 28, polyfurolresins by cylinder 52 simultaneously, when changing heavier plate-making 36, making original plate-making 36 or newly making a plate 36 is that the left and right directions of Fig. 2 front view is when moving to horizontal direction, because the revolution of above-mentioned ball swivel body 50 and resinous carrying roller 54 can reduce its moving resistance.Above-mentioned and 1 guide plate 46 and the 2nd guide plate 48 are fixed on upper level framework 26 and the lower horizontal framework 28 by the partition component of regulation.For example, on lower horizontal framework 28, as shown in Figure 3 and Figure 4, be that foursquare elongated member 56 and the partition component 58 that is fixed on the front of this elongated member 56 fix the 1st guide plate 46 by the top section that is fixed on lower horizontal framework 28.

Above-mentioned plate-making holding device 44 as Fig. 3 to Fig. 5 at length shown in, it has with the lower part: touch plate 62, it is on 3 positions of the length direction of each the 1st guide plate 46 in the set breach 59, by being fixed on the guided way 60 on the aforementioned barriers parts 58, on direction, be directed to, can move along the

1st guide plate

46 or 36 the thickness direction of making a plate perpendicular to the spigot surface of the 1st guide plate 46; Touch plate and drive cylinder 64, it is fixed on the elongated member 56, is used for driving on above-mentioned thickness direction touching plate 62, moves it; Version advises 66 at interval, and it is tabular finger gauge, the silk screen 40 of the plate-making 36 when being used to set serigraphy and the version interval D 1 between the substrate 42; Rule holding member 76, it has on the bottom surface and is used to hold version and advises 66 permanent magnet 68 at interval, the first half in front is provided with embedded hole 70, this embedded hole is used for releasably embedding version and advises 66 at interval, this rule holding member links into an integrated entity with the movable part 74 that is fixed on the slip cylinder 72 on the elongated member 56, and is positioned on 2 positions of the above-below direction that parallels with the silk screen 40 of plate-making 36; Fixed part 78, it is to be fixed on the elongated member 56 with the contacted state in the back side of above-mentioned rule holding member 76 slidably, to bear the cramping load; Clamping cylinder 86 is fixed with pushing liner 80 at its front end, and be provided with can be towards the above-mentioned outstanding take-off lever 82 of direction that touches plate 62, and this clamping cylinder is fixed on the lower horizontal framework 28 by carriage 84.

Version interval D 1 between the substrate 42 (chain-dotted line of Fig. 3) that rises when the silk screen 40 of plate-making 36 and serigraphy is one of imposing a condition of serigraphy, must change according to the mesh of silk screen 40, the fine degree of printed pattern line, the viscosity of glue etc.On the silk-screen printing device 10 of present embodiment, by the plate-making holding device 44 of above-mentioned formation, version interval D 1 is that the setting of the version interval D 1 of zero affirmation, printing state is to carry out accurately with the high simply constructed device of reliability.Promptly, be directed in plate-making 36 under the state in printing position of regulation, as Fig. 3, Fig. 4, shown in the solid line of Fig. 5, the non-cramping position that take-off lever 82 is in be drawn into by clamping cylinder 86, make movable part 74 be in the uplifted side position by slip cylinder 72, version is advised at interval 66 and is become from the position relative with the back side of touching plate 62 and to leave position upward, this position, simultaneously shown in Fig. 4 double dot dash line, drive cylinder 64 by touching plate, touch plate 62 and be drawn into not operation personnel side, plate-making 36 is also descended to the 1st guide plate 46 sides, therefore, according to gap state between substrate 42 that rises to the printing position and the above-mentioned silk screen 40 and mutual contact condition, it is zero affirmation that operating personnel easily carry out edition interval D 1.

Then, drive cylinder 64 by touching plate, make that to touch plate 62 side-prominent to operating personnel one, make plate-making 36 be the rising of operating personnel's one side and leave the 1st guide plate 46 to clamping cylinder 86 1 sides, in this state, the version that is used to form the version interval D 1 that is fit to printing condition is advised 66 at interval and is replaced original edition and advise at interval and pack into and advise the embedded hole 70 of holding member 76, and this edition interval is advised 66 and roughly had the thickness that the version interval D 1 and the degree of depth of embedded hole 70 are added up mutually.Then, by slip cylinder 72, make movable part 74 be in the decline side position, and advising 66 is in the position relative with the back side of touching plate 62 at interval to make version, simultaneously, drives cylinder 64 by touching plate, when touching plate 62 and being drawn into not operation personnel one side, advise 66 and rule holding member 76 at interval touching between plate 62 and the fixed part 78 common cramping version, therefore only form a version interval D 1, and it is side-prominent to clamping cylinder 86 1 to touch the front of plate 62.In this state, the take-off lever of clamping cylinder 86 82 is outstanding, and the pushing liner 80 of its front end with touch cramping rectangle frame 38 between the plate 62, so just fixingly under the state that forms plate interval D 1 really make a plate 36.

Therefore, compare with the situation that complicated mechanism is set in order to change edition interval D 1 continuously, this structure is not only simple, volume is little, installing space is little, and maintenance easily, and the reliability of the plate interval D 1 that sets simultaneously improves.That is, owing to be to drive cylinder 64 and clamping cylinder 86 cramping versions and advise 66 structure at interval by touching plate, therefore the version interval D 1 that sets does not change, the reliability raising.And it is also simple that version is advised at interval 66 replacing, so also have the advantage of the version set number minimizing in man-hour 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, the top of front at it has embedded hole 70, and this embedded hole is used for releasably embedding above-mentioned version and advises 66 at interval; Slip cylinder 72 uses as actuator, it makes version advise at interval 66 and is inserting fixed part 78 and making a plate and move between the position between 36 and the position of not inserting, make version at interval advise 66 to be under the state of the state of not inserting advising holding device by this edition interval, utilize pushing liner 80 pushings of clamping cylinder 86 to make a plate at 36 o'clock, because advising 66 at interval, version is not between this pushing liner 80 and the fixed part 78, therefore can confirm that edition interval D 1 is zero state, simultaneously because embedded hole 70 is located at the top of rule holding member 76, therefore has easily more plate change and advising 66 advantage at interval.

In addition, also being provided with to touch plate 62 and touch plate and driving cylinder 64, wherein touch plate 62 and be provided with like this, is that rectangle frame 38 and version are advised between 66 at interval at the peripheral part of plate-making 36, relative with pushing liner 80, and can on its press direction and anti-press direction, move; Touch plate and drive cylinder 64, it uses as actuator, it will touch plate 62 and drive to press direction, just the cramping version advises 66 at interval between the back side of touching plate and fixed part 78, perhaps will touch plate and drive, rule holding member 76 is moved up at upper and lower, therefore will make a plate and 36 raise upward by touching plate 62 to anti-press direction, and rule holding member 76 is moved upward, have like this no matter plate-making 36 payload can easily more change plate and advise 66 advantage at interval.

In addition, constitute fixture 90, wherein push liner 80 and use as push part by pushing liner 80 and clamping cylinder 86; Clamping cylinder 86 has take-off lever 82, and the front end of this take-off lever is being fixed pushing liner 80, and this clamping cylinder is fixed on the framework 14 by carriage 84.This pushing liner 80 is that fixed part 78 is released to the fixed-site parts, and just no matter therefore clamping plate-making 36 betwixt have the advantage that the thickness size of plate-making 36 is all fixed easily.

In addition, the above-mentioned thickness that touches plate 62 than by version is advised at interval 66 insert fixed parts 78 and the thickness that increases between 36 of making a plate bigger, even therefore under the at interval zero affirmation state of version, also advising 66 at interval with silk screen 40 and version separates, and the part of the periphery of above-mentioned embedded hole 70 is cut, advise 66 at interval and can go out so that embed version in it, therefore have the version that to change easily in the embedded hole 70 that embeds rule holding member 76 and advise 66 advantage at interval to the central portion layback 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, and the substrate 42 after perhaps will printing is transported to substrate from printing R and changes position L.This substrate Handling device 100 has substrate carrying platform 104 and carrying drive unit 106, wherein substrate carrying platform 104 is changed between position L and the printing position R at above-mentioned substrate and is led by 2 carrying tracks 102 and with the heeling condition that parallels with above-mentioned plate-making 36,2 carrying tracks are separately fixed on the upper level framework 26 and lower horizontal framework 28 of framework 14, are that directions X described later extends to horizontal direction; Carrying drive unit 106 is used for changing the reciprocal substrate carrying platform 104 that drives between position L and the printing position R at substrate.

As shown in Figure 1, above-mentioned substrate carrying platform 104 has 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, leads on the direction perpendicular to carrying platform main body 110 by guide post 112, can be toward or away from plate-making 36; Last lower table drives cylinder 116, and it uses as drive unit, is used to drive lower table 114.In addition, above-mentioned carrying drive unit 106 has with the lower part: 1 pair of endless belt 120, its part are fixed on the upper end and the bottom of above-mentioned carrying platform main body 110; Gyroaxis 124, it with plane that the plane that comprises 2 carrying tracks 102 36 the silk screen face of promptly making a plate parallels in, perpendicular with the carrying direction of carrying platform main body 110, be bearing in pivotally on the framework 14 by bearing 122 with this posture; 1 pair of belt pulley 126, it is fixed on the both ends of gyroaxis 124, and volume is hung 1 pair of endless belt 120 on this belt pulley; 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 is changed at substrate and is driven motor 128 between position L and the printing position R and back and forth drives.

Fig. 6 is 114 a front view in the working up and down of the above-mentioned substrate of expression carrying platform 104, Fig. 7 and Fig. 8 are its upward view and side view, Fig. 9 is the front view that expression takes down lower table 114 on the state behind the movable plate 146, and Figure 10 is the front view of lower table 114 on the state after expression takes down movable plate 146 and the 2nd upper and lower bottom plate 144.

Shown in top accompanying drawing is detailed, the last lower table 114 of above-mentioned substrate carrying platform 104 also has the function as XY θ workbench, be used for passing through automatically and manual operation at substrate replacing position L or printing position R, fine setting substrate 42 is with respect to directions X position, Y direction position, position, the angle of revolution θ of plate-making 36, should go up lower table 114 has with lower member: the 1st upper and lower bottom plate 138 of rectangle, and it is used for fixing above-mentioned guide post 112; The 2nd upper and lower bottom plate 144 of rectangle, it is that central portion at the 1st upper and lower bottom plate 138 is fixed on above the 1st upper and lower bottom plate 138 by several plate shaped spacer 140; Movable plate 146, it is placed on the 2nd upper and lower bottom plate 144, can with direction that the 2nd upper and lower bottom plate 144 parallels on relatively move, its effect is to place or support substrate 42 under by the state behind the not shown positioning element location; 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 the 1st upper and lower bottom plate 138 and the 2nd upper and lower bottom plate 144, its effect is in order to go up at directions X (being seen as left and right directions from operating personnel's one side in the present embodiment) movable plate 146 to be carried out clamping, according to the signal of telecommunication, directions X drive pin 148 drives on directions X, and directions X application of force pin 150 applies the power of regulation to directions X drive pin 148; 1Y direction drive pin 152 and 2Y direction drive pin 154, and 1Y direction application of force pin 156 and 2Y direction application of force pin 158, 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, its effect is in order only to separate on the directions X under the state of predetermined distance A, upward movable plate 146 is carried out clamping in Y direction (being seen as above-below direction from operating personnel's one side in the present embodiment) perpendicular to this directions X, drive on the Y direction according to signal of telecommunication 1Y direction drive pin 152 and 2Y direction drive pin 154,1Y direction application of force pin 156 and 2Y direction application of force pin 158 apply the power of regulation to 1Y direction drive pin 152 and 2Y direction drive pin 154.

Like this, the movable plate 146 that is placed on the 2nd upper and lower bottom plate 144 carries out clamping by directions X drive pin 148 and directions X application of force pin 150 with the application of force of regulation on directions X, simultaneously, 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, on the Y direction, carry out clamping with the application of force of regulation respectively, so by directions X drive pin 148 is moved, just can be supported in substrate 42 on the movable plate 146 with respect to plate-making 36 position in the directions X adjusted, by make 1Y direction drive pin 152 and 2Y direction drive pin 154 only mobile phase with span from, just can be supported in substrate 42 on the movable plate 146 with respect to plate-making 36 position in Y direction adjusted, by making 1Y direction drive pin 152 and 2Y direction drive pin 154 move the distance of different amounts or move, just can regulate the substrate 42 that is supported on the movable plate 146 rotary position θ with respect to plate-making 36 to different directions.Therefore, can constitute X, Y, θ governor motion under the condition of not using following apparatus: promptly on above-mentioned the 2nd upper and lower bottom plate 144 by guide rail guiding, the directions X movable plate that can move to directions X; Make the directions X fine motion adjusting device of this directions X movable plate fine motion on directions X; The directions X fixture that is used for fixing the directions X movable plate; The Y direction movable plate that on the directions X movable plate, can move to the Y direction by guide rail guiding; Make the Y direction fine motion adjusting 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, can finger plate be set pivotally around its center; Finely tune the revolution fine motion adjusting device of the position, angle of revolution of this finger plate; Be used for fixing the revolution fixture of finger plate etc.Therefore the volume of governor motion is little, and shared space is few, so silk-screen printing device 10 can be made thin type, the weight of X, Y, θ governor motion is little simultaneously, and the mechanism that it is moved back and forth is also little, in addition because component number is few, so silk-screen printing device is in light weight, low price.

The width of above-mentioned the 2nd upper and lower bottom plate 144 is identical 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 be below 1/2, shown in Figure 11 is detailed, the 2nd upper and lower bottom plate 144 has with the lower part: lower side panel 160, it by plate shaped spacer 140 be fixed on the 1st upper and lower bottom plate 138 above; Epipleural 162, it with the state that adheres to be fixed on lower side panel 160 above; Several pores 164 that diameter is less, it connects epipleural 162, fits on the one side of this epipleural with the interval of stipulating; Be communicated with recess 166, it is to form on lower side panel 160, and it makes several pores 164 be interconnected at the back side of epipleural 162, and the 2nd upper and lower bottom plate 144 becomes the state that is provided with several pores 164 on its end face.This connection recess 166 is connected with Compressed Gas feedway 172 with Negative pressure supply device 170 selectively by switchover control valve 168, the effect of this Negative pressure supply device 170 is to make in the pore 164 to become negative pressure, and movable plate 146 is inhaled on the 2nd upper and lower bottom plate 144, the effect of this Compressed Gas feedway 172 is that Compressed Gas is emitted from pore 164.This switchover control valve 168 is supplied with Compressed Gas the connection recess 166 of the 2nd upper and lower bottom plate 144 from Compressed Gas feedway 172 in during movable plate 146 moves, these movable plate 146 location finish the back from the connection recess 166 of Negative pressure supply device 170 with negative pressure feeding the 2nd upper and lower bottom plate 144, and this movable plate 146 is fixed on the 2nd upper and lower bottom plate 144.Above-mentioned Negative pressure supply device 170 for example is made of the vavuum pump of output negative pressure, and above-mentioned Compressed Gas feedway 172 for example is made of the compressed-air actuated air compressor machine of output.

Like this, in during movable plate 146 moves, by the switchover control valve 168 that uses as conversion control device, supply with Compressed Gas from Compressed Gas feedway 172 to the 2nd upper and lower bottom plate 144, so in several pores 164 of the 2nd upper and lower bottom plate 144, discharge compressed air, just at movable plate 146 with support and form Compressed Gas layer or Compressed Gas film between its 2nd upper and lower bottom plate 144, therefore, the directions X drive pin 148 that drives according to the signal of telecommunication, 1Y direction drive pin 152,2Y direction drive pin 154 moves movable plate 146 with minimum power, on the other hand, after these movable plate 146 location finish, supply with negative pressure by Negative pressure supply device 170 to the 2nd upper and lower bottom plate 144 by switchover control valve 168, so become negative pressure state in several pores 164 of the 2nd upper and lower bottom plate 144, movable plate 146 is just inhaled on its 2nd upper and lower bottom plate 144 of supporting, so movable plate 146 positively is fixed.For this reason, do not need to make movable plate 146 to move the guide rail of usefulness, have the simple and small-sized advantage of silk-screen printing device 10 to X, Y direction and gyratory directions θ.In addition, because support on ground the 2nd upper and lower bottom plate 144 by the Compressed Gas layer when movable plate 146 moves, therefore the advantage that also has is motor and the helical axis miniaturization significantly that makes directions X location mobile device 180,1Y direction location mobile device 182 and 2Y direction location mobile device 184.

The directions X drive pin 148 that combines 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 combine with the end face on the limit that is parallel to directions X of movable plate 146, use as directions X driver part and Y direction driver part respectively, for example be made of miniature bearing or small-diameter bearings, section is circular.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.Formation 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.Below, being representative with directions X location mobile device 180 describes the formation of these devices.

In Figure 11 and Figure 12, directions X location mobile device 180 has with lower member: helical axis 188, and it parallels with directions X, and it is supporting pivotally by bearing 186 on the 1st upper and lower bottom plate 138; Directions X impulse motor 190, it is connected with helical axis 188, uses as device for revolving and driving, is used for revolution and drives helical axis 188; Guide rail 192, it is fixed on the 1st upper and lower bottom plate 138, parallels with directions X; Movable block 194, it leads on directions X by guide rail 192, and combines with screw thread with above-mentioned helical axis 188, moves corresponding distance according to the angle of revolution of this helical axis 188; Arm 198, it is outstanding in directions X otch 196 from movable block 194, and is housed in this otch, and this directions X otch 196 forms to the directions X incision from ora terminalis on the 2nd upper and lower bottom plate 144; Section is circular directions X drive pin 148, and it is installed in the leading section of arm 198 in this wise, and promptly its outer peripheral face cylindraceous contacts with the end face that is parallel to the Y direction of movable plate 146, and the center-of-curvature line of outer peripheral face and the 2nd upper and lower bottom plate 144 are perpendicular.

In addition, directions X application of force pin 150,1Y direction application of force pin 156 and 2Y direction application of force pin 158 are located at respectively on directions X force application apparatus 200,1Y direction force application apparatus 202 and the 2Y direction force application apparatus 204, wherein directions X application of force pin 150 combines with the end face on the limit that is parallel to the Y direction of movable plate 146, with directions X drive pin 148 clamping movable plates 146; 1Y direction application of force pin 156 and 2Y direction application of force pin 158 combine with the end face on the limit that is parallel to directions X of movable plate 146, and with 1Y direction drive pin 152 and 2Y direction drive pin 154 clamping movable plates 146.The formation 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 are to shown in Figure 15.Below to be representative with directions X force application apparatus 200 describe the formation of these devices.

In Figure 13 to Figure 15, the directions X force application apparatus has 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 application of force cylinder 206, and is fixed on by the guide post 210 that parallels with take-off lever 208 on the end of take-off lever 208, and its effect is to prevent to turn round around its axle center; Arm 216, it is outstanding in directions X otch 214 from output board 212, and is housed in this otch, and this directions X otch 214 forms to the directions X incision from ora terminalis on the 2nd upper and lower bottom plate 214; Section is circular directions X application of force pin 150, it is installed in the leading section of arm 216 like this, the cylindrical shape 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 and the 2nd upper and lower bottom plate 144 are perpendicular, therefore, pressure according to application of force cylinder 206 is supplied with applies power by directions X application of force pin 150 to movable plate 146.

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 combining with 2 limits that are parallel to the Y direction of the movable plate 146 of rectangle and two limits being parallel to directions X, respectively with the regulation application of force clamping movable plate 146, even therefore these pins have deviation with the touch location of movable plate 146, also not influence of adjusting position to movable plate 146, and do not produce the gap, therefore have the high advantage of positioning accuracy.

In addition, as Figure 16 at length shown in, on the 2nd upper and lower bottom plate 144, be provided with fixture 220, be used for suitably fixing above-mentioned movable plate 146.On above-mentioned movable plate 146, be provided with small diameter bore 222 in its 1st upper and lower bottom plate 138 1 sides, simultaneously coupled is located at substrate 42 1 sides at large diameter hole 224, and the hole with the level that is made of this small diameter bore 222 and large diameter hole 224 connects this movable plate 146.Said fixing device 220 has the fixed head 228 of fixed cylinder 226 circles that are fixed on the 2nd upper and lower bottom plate 144 back sides, this fixed head embeds in the large diameter hole 224, its external diameter is than the only little predetermined gap D2 of inner peripheral surface of large diameter hole 224, and the leading section of the take-off lever of giving prominence to by small diameter bore 222 from this fixed cylinder 226 230 is being fixed fixed head 228.Interval between the inner peripheral surface of the outer peripheral face of take-off lever 230 and small diameter bore 224 is set at and equates with above-mentioned clearance D 2 or bigger than it, movable plate 146 in the face that is parallel to the 2nd upper and lower bottom plate 144, can in the scope of above-mentioned clearance D 2, move, simultaneously by the take-off lever 230 of fixed cylinder 226 is drawn in, even do not become negative pressure state in several pores 164 of the 2nd upper and lower bottom plate 144, 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 is located at the 1st upper and lower bottom plate 138 and the fixed-site parts are between the partition component 58, be used for comprise the 1st upper and lower bottom plate 138 grades on lower table 114 by on lower table when driving cylinder 116 and rising to 36 1 sides that approach to make a plate and print, improve the repeatedly positioning accuracy of substrate 42 with respect to plate-making 36.In Figure 17, partition component 58 is as Fig. 3 and 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 form like this, its axle center connects the embedded hole 242 perpendicular to the 1st upper and lower bottom plate 138, and this gomphosis part is fixed on by installing component 244 cylindraceous on upper side two bights of aforementioned barriers parts 58 (referring to Fig. 6, Fig. 9, Figure 10 etc.); 1 pair of chimeric pin assembly 248 is located on the 1st upper and lower bottom plate 138, and it embeds in the embedded hole 242 of gomphosis part 246 when the 1st upper and lower bottom plate 138 rises.

Above-mentioned chimeric pin assembly 248 has with the lower part: hole enlargement pin 250 cylindraceous, and its external diameter is slightly littler than above-mentioned embedded hole 242, promptly makes a plate 36 1 side-prominent to partition component 58 1 sides from the 1st upper and lower bottom plate 138 becoming on the concentric position with this embedded hole 242; Interior latch 252, it embeds 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, uses as interior latch drive unit, is used for latch 252 in the axial driving.

As Figure 18 and Figure 19 in detail shown in, on above-mentioned columnar hole enlargement pin 250, form several (being 8 in the present embodiment) otch 256 and conical inner peripheral surfaces, this otch 256 is to go into along the plane the past end-grain cutting by its central shaft, equally spaced configuration on circumferentially, this taper shape inner peripheral surface 258 is that the forward end diameter is more little more on inner peripheral surface, in addition, the outer peripheral face of above-mentioned interior latch 252 also forms conical outer peripheral face 260, and the forward end diameter is more little more.Therefore, make under the state of the 1st upper and lower bottom plate 138 approaching plate-making 36 1 sides in the embedded hole 242 of the position shown in the double dot dash line of Figure 17, above-mentioned hole enlargement pin 250 embedding gomphosis parts 246, when by interior bolt driving cylinder 254 during with interior latch 252 forward end side drives, above-mentioned taper outer peripheral face 260 is by taper inner peripheral surface 258 distendings, the profile of hole enlargement pin 250 is by hole enlargement, 248 pairs of centers of gomphosis part 246 and chimeric pin assembly, last lower table 114 and the substrate 42 that is placed on it can position accurately with respect to plate-making 36.In addition, positioned by hole enlargement by the hole enlargement pin 250 that embeds in the embedded hole 242, so need not establish taper surface in the embedded hole 242, be not subject to assembling and adjust and time dependent influence, have the advantage of maintenance positioning accuracy.

In addition, above-mentioned substrate carrying platform 104 is the devices with carrying platform main body 110 and last lower table 114, wherein carries platform main body 110 and is led by carrying track 102 between substrate printing position R and substrate replacing position L; Last lower table 114 is located on the carrying platform main body 110, and it can be toward or away from plate-making 36.Above-mentioned embedded hole 242 be located among the partition component 58 of fixed-site with the corresponding part of substrate printing position R on, above-mentioned chimeric pin assembly 248 is located on the lower table 114, therefore can eliminate the deviations that cause in the gap of mechanism action about can making, mechanism is used to make lower table 114 to carry out knee-action up and down, so just can further improve the positioning accuracy of substrate 42.According to present inventor's experiment, adopt device in the past, the positioning accuracy of substrate 42 be about ± 15～20 μ m, and employing present embodiment silk-screen printing device 10, its positioning accuracy reaches ± 3 μ m about.In addition, on linear slide part, sliding bearing is not set and it is carried out the mechanism of precompressed not needing on the present embodiment silk-screen printing device 10, reduce and install the low advantage of price so have maintenance number in man-hour by carrying track 102 and guide post 112 guiding.

In addition, because the chimeric pin assembly 248 that is made of above-mentioned hole enlargement pin 250, interior latch 252, interior bolt driving cylinder 254 is located on the 1st upper and lower bottom plate 138 of lower table 114, so compare with the situation on plate-making one side component that is located at partition component 58 grades, have the advantage that squeegee drive unit 12 is easy to design.

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, its effect is that the block part 262 that is fixed on the partition component 58 is touched mutually with the one side of the 1st upper and lower bottom plate 138 sides, can correctly determine to go up the shift position of lower table 114 to plate-making 36 1 sides.Array box parts 262 and brake component 264 also can be set, but be provided with 1 group also passable.In addition, the 266th, buffer unit, its effect is the vibration that produces of touching that suppresses because of the rising end and the end that descends of the 1st upper and lower bottom plate 138.

In addition, for example as shown in figure 20, be provided with V-shaped groove 268 on above-mentioned block part 262, also can be provided with tapered portion 270 on the above-mentioned brake component 264, the forward end width is more little more for this tapered portion, so that embed in the V-shaped groove 268.Like this, can further improve positioning accuracy.In order to obtain sufficiently high positioning accuracy, above-mentioned positioner 240 is located at 2 positions at least and promptly establishes more than 2, perhaps can establish 1 positioner 240 and establish the above-mentioned block part 262 shown in Figure 20 and the brake component 264 of usefulness chimeric with it.In the latter case, the axle core of best positioner 240 is on the extended line of V-shaped groove 268.

With Figure 21 to Figure 25 the squeegee drive unit 12 of above-mentioned Fig. 1 is described below.Figure 21 is the front view of expression squeegee drive unit 12, Figure 22 is the figure that the major part of squeegee drive unit 12 is amplified expression, Figure 23 is the sectional drawing of XX III-XX III direction of Figure 22, be the figure that the major part of squeegee drive unit 12 is amplified the back expression, Figure 24 is the sectional drawing of the state of expression hook scraper plate 368, and Figure 25 is the sectional drawing that expression squeegee one side coupling 392 and scraper plate one side coupling 394 are installed in the installment state on squeegee support plate 290 and the screed support plate 292.

Squeegee drive unit 12 is used for pushing open to last direction (Figure 21 upward to) along this silk screen 40 at the glue (diagrammatic sketch shows) that is placed on plate-making 36 the silk screen 40 with carrying out the serigraphy timeliness, returns on the road to return to other direction (downward direction of Figure 21) thruster to the glue of a direction side shifting at it.Squeegee drive unit 12 has rectangle framework 284 in Figure 21, this framework is being parallel under plate-making 36 the state by 2 pairs of guided ways 280 that are located at respectively on upper level framework 26 and the lower horizontal framework 28, with plate-making 36 perpendicular directions on lead, and 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.Upper end in this rectangle framework 284 is connected with driving base plate 288 by several (present embodiment is 4) connecting rod 286.

On the limit, the left and right sides of above-mentioned rectangle framework 284, fix 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 its both ends, left and right sides are by 1 pair of guide rail, 289 guiding, therefore at the silk screen 40 of plate-making 36 on the position of operating personnel's one side mark set a distance, they can move back and forth independently along plate-making 36.Be provided with 2 pairs of bearings 294 on the bottom on the limit, the left and right sides of above-mentioned rectangle framework 284 and above-mentioned driving base plate 288,1 pair of helical axis 296 that is supporting pivotally by these bearings upper end and bottom is provided with above-mentioned guide rail 289 with paralleling.Driving on the base plate 288 fixedly reductor 298 and CD-ROM drive motor 300, one square tube of above-mentioned 1 pair of helical axis 296 is crossed the reductor 298 that is connected its upper end and is connected with CD-ROM drive motor 300, simultaneously, 1 pair of helical axis 296 is connected by belt 304 action property ground, and these belt 304 volumes hang on the belt pulley 302 that is separately fixed at the helical axis upper end.Like this, both ends are with the squeegee support plate 290 of threaded engagement on 1 pair of helical axis 296 and coupled screed support plate 292, on the position of silk screen 40 predetermined distances of plate-making 36, are back and forth driven integratedly along plate-making 36 by CD-ROM drive motor 300.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 by be located at squeegee support plate 290 both ends about 1 pair of board connecting equipment 306 couple together, this board connecting equipment can be loaded onto or pull down.Board connecting equipment 306 as Figure 24 in detail shown in, it has with lower member: connecting plate 308, it is from squeegee support plate 290 last side-prominent to screed support plate 292; Connecting pin 312, it is located at the front end of connecting plate 308, can be toward or away from screed support plate 292 sides, and by not shown spring, to the screed support plate 292 side application of forces, this connecting pin is fastened in the connecting hole that forms above 310 of screed support plate 292.

As Figure 22 and Figure 23 in detail shown in, be provided with lower device on above-mentioned squeegee support plate 290: squeegee is cylinder 322 up and down, it is used to drive squeegee 320, squeegee is contacted with the silk screen 40 of plate-making 36, and driving with the squeegee depressing position with on the position of silk screen 40 predetermined distances; Medium height position restriction cylinder 324, it uses as the intermediate altitude limiter, it is used to make squeegee 320 to move to intermediate altitude, promptly squeegee before correct and silk screen 40 contacted height; Lifting height position limiter 326, it is used to set the lifting height position of squeegee 320.Above-mentioned squeegee 320 is microscler, width than plate-making 36 is slightly little, and the metal squeegee holding member 330 that the long ribbon shape that it is done by the elastomer of systems such as polyurethane rubber and so on synthetic rubber or natural rubber is coated with body of the brush 328 and this squeegee main body 328 of clamping constitutes.In addition, be provided with up and down the adjusting bolt 332 of band positioning function on the cylinder 322 at above-mentioned squeegee, the projecting height that it is used to set its take-off lever is the lower position of squeegee 320.Above-mentioned medium height position limiter cylinder 324 is provided with the adjusting bolt 334 of band positioning function, and the outstanding length that it is used to set its take-off lever is the intermediate altitude limiter position of squeegee 320.Be provided with the adjusting bolt 336 of band positioning function on lifting height position limiter 326, the height and position that it is used to set the squeegee lower end is the ceiling position of squeegee 320.

The squeegee holding device 340 that keeps above-mentioned squeegee 320 and the squeegee leading section of the take-off lever 338 of cylinder 322 up and down are connected.This squeegee holding device 340 has with lower member: microscler parts up and down 346, it be shaped as outstanding microscler tabular in both ends downwards, the both ends of length direction are by 1 pair of guide rail, 342 guiding that are fixed on towards the below below the squeegee support plate 290, like this, parts just are directed on the direction perpendicular to silk screen 40 up and down, and the central portion of length direction is connected with above-mentioned take-off lever 338 by shaking coupling 344; Upper-lower position is regulated parts 352, can regulate this upper-lower position and regulates parts with respect to the relative position of the above-below direction of parts 346 up and down by regulating bolt 348, and fix with moving set bolt 350 up and down; Microscler position adjustments bar 356, it can regulate parts 352 revolutions with respect to upper-lower position around the axle center, and available revolution set bolt 354 is fixed; Several fixed parts 364, it is to be that the engaging part 360 and the set bolt 362 of U font constitutes by section, wherein U font engaging part 360 is equally spaced to be provided with on the length direction of rotary position adjusting rod 360, it fastens with 1 pair of slot 358 on the outside of squeegee holding member 330 that is located at above-mentioned squeegee 320, and it is clamped; Set bolt 362, it and engaging part 360 are with threaded engagement, and it is used for engaging part 360 is fixed on rotary position adjusting rod 356.

Like this, by cylinder 322 about the squeegee, drive up and down on the position of squeegee 320 being left in squeegee main body 328 on the position of silk screen 40 and silk screen 40 being depressed, simultaneously when the take-off lever of middle height and position limiter cylinder 324 is outstanding downwards, by squeegee up and down cylinder 322 drive upward, squeegee main body 328 just is positioned at and just in time contacts silk screen 40 or contact gently on the position of silk screen 40 like this.In addition, squeegee 320 is by changing the angle of revolution of above-mentioned rotary position adjusting rod 356, just can regulate the contact angle α of this squeegee main body 328 and silk screen 40, change the position that upper-lower position is regulated parts 352 with regulating bolt 348, just can regulate the power that this squeegee main body 328 is depressed the position of silk screen 40 or depressed power.

Shown in Figure 22 is detailed, above-mentioned screed support plate 292 is made of following several parts: scraper plate is cylinder 370 up and down, its effect is that scraper plate 368 is contacted with the silk screen 40 of plate-making 36, and on the position that this scraper plate 368 is depressed, and on the position of silk screen 40 predetermined distances, drive; Parts 374 up and down, and it is by being fixed on guide rail 372 on the screed support plate 292 and leading and can move on above-below direction, and can by scraper plate up and down cylinder 370 on above-below direction, drive; Microscler upper-lower position is regulated parts 378, and it can be regulated the relative position of the above-below direction of parts 374 up and down, and available moving up and down set bolt 376 is fixed; Microscler rotary position adjusting rod 380, it can center on the axle center, regulate parts 378 with respect to upper-lower position and turn round, and available not shown revolution set bolt is fixed; Several fixed parts 382, it equally spaced is located on the length direction of rotary position adjusting rod 380, is used for fixing scraper plate 368.This scraper plate 368 as shown in figure 24, it is made of scraper plate main body 384 and scraper plate attaching parts 386, its middle scraper main body 384 usefulness stainless steel and other metal materials are made, it is shaped as tabular, both ends are curved with squeegee 320 1 sides; Scraper plate attaching parts 386, it is connected on the upper end of scraper plate main body 384 integratedly.Said fixing parts 382 are made of engaging part 388 and set bolt 390, and this engaging part 388 engages with scraper plate attaching parts 386, and this set bolt and above-mentioned engaging part 388 are with threaded engagement, so that it is fixed on the rotary 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, and when they are close mutually, couple together by 1 pair of pneumatics pipe arrangement 396 and 398, this is provided with respectively at pars intermedia the pneumatics pipe arrangement and is connecting, removably squeegee side coupling 392 and scraper plate side coupling 394, scraper plate is up and down in 1 pair of balancing gate pit of cylinder 370, when rising, squeegee 320 becomes 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 interconnects, simultaneously, scraper plate is up and down in 1 pair of balancing gate pit of cylinder 370, when descending, squeegee 320 becomes the balancing gate pit of high pressure conditions and squeegee up and down in 1 pair of balancing gate pit of cylinder 322, the balancing gate pit interconnects when becoming high pressure conditions when scraper plate 368 rises.Therefore, when scraper plate 368 descends at squeegee 320, by cylinder 370 about the scraper plate, its lower end (front end) is on the position of leaving silk screen 40, when squeegee 320 rises, by scraper plate cylinder 370 up and down, make its lower end (front end) be positioned at silk screen 40 position contacting on.

Like this, because squeegee 320 and scraper plate 368 are located at respectively and can back and forth drive along the silk screen 40 of plate-making 36, 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, these squeegee support plates 290 and screed support plate 292 just back and forth drive under connection status mutually integratedly, therefore with the same in the past, make squeegee 320 with 36 silk screen 40 state of contact that drop under advance, glue so make a plate on 36 the silk screen 40 is pushed to a direction, carry out serigraphy, make scraper plate 368 with plate-making 36 silk screen 40 state of contact under retreat, get back to another direction 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 engaging machine 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 just leave enough big distance mutually.Therefore, the interval that is located at the squeegee on the squeegee support plate 290 and is located between the scraper plate 368 on the screed support plate 292 is enough big, so can be expeditiously the glue of the relative side that mainly is present in squeegee 320 and scraper plate 368 be reclaimed operation, and attached to the glue on these squeegees 320 and the scraper plate 368 also cleaning easily, activity duration is shortened, and can clean fully.And for example Figure 25 in detail shown in, with the interconnecting or separate relevant of squeegee support plate 290 and screed support plate 292, be located at the squeegee balancing gate pit of cylinder 322 and the scraper plate air pipe arrangement 396 that is communicated with of the balancing gate pit of cylinder 370 up and down up and down, on 398 the pars intermedia, and the squeegee side coupling 392 and the scraper plate side coupling 394 that are fixed on these squeegee support plates 290 and the screed support plate 292 can interconnect, throw off, therefore this structure has following advantage: be located at the squeegee 320 on the squeegee support plate 290 and be located at interval between the scraper plate 368 on the screed support plate 292 and can not be subjected to squeegee cylinder 322 and the scraper plate pneumatics pipe arrangement 396 between the cylinder 370 up and down up and down, 398 restriction, can freely increase, and can not hinder pneumatics pipe arrangement 396, clean the operation of glue under 398 the situation.In addition, also be provided with the lift arrangement of squeegee drive unit, its effect is that the rectangle framework 284 that makes squeegee support plate 290, screed support plate 292 and support 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.

At this, be used among the 36 upper level frameworks 26 and lower horizontal framework 28 fixing, that use as the plate-making fixed frame of 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 202 is stuck on its fixed position.Shown in Figure 24 is detailed, this clamping close device 410 is provided with lower member: engaging part 418, it is fixed on the upper level framework 26 by carriage 412, it has slot 414 and inclined guide surface 416, this 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 the downside of slot 414, it leaves upper level framework 26 more and just extends to the depth direction of slot 414 more, engagement pin 422, it is installed on the screed support plate 292 by carriage 420, by the depth direction application of force of not shown spring to slot 419, outward the front end in the engagement pin 422 of plate-making 36 sides just embeds in the slot 414.Therefore, 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, then, its front end is projected in this slot when reaching slot 414, then block automatically, when operating personnel extract above-mentioned engagement pin 422 from slot 414, engagement pin 422 is disengaged with engaging just of slot 414, and screed support plate 292 can be moved automatically with respect to plate-making 36 and framework 14.

In addition, on above-mentioned squeegee support plate 290, be set with and push to cylinder 430, when the connection status of the squeegee support plate 290 of removing corresponding connection and screed support plate 292 by above-mentioned board connecting equipment 306, this is pushed to cylinder screed support plate 292 is pushed to, and shifts onto more than the predetermined distance.Simultaneously, also on screed support plate 292, fixedly installed and touched 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 need not carry out following fixing operation, promptly before cleaning glue, driving squeegee support plate 290 advances it obliquely upward, when shifting its clamped position onto on screed support plate 292, screed support plate 292 just blocks automatically, thereby prevents that screed support plate 292 from falling 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 the below that tilts, be convenient to so separately squeegee support plate 290 and screed support plate 292.Again, make screed support plate 292 outstanding with pushing to cylinder 410, just make screed support plate 292 break away from squeegee support plate 290 easily, simultaneously, owing to the cushioning effect of pushing to cylinder 410 of utilizing air to move, the impact degree in the time of can alleviating screed support plate 292 and touch with above-mentioned clamping close device 410.

The silk-screen printing device 10 of Gou Chenging is for example controlled with the control device of 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 handles input signal according to the program that is stored in advance in the ROM, it is controlled following parts: 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 cylinder 64 actions, make the magnetic valve 446 of slip cylinder 72 actions, make the magnetic valve 448 of clamping cylinder 86 actions, the directions X pulse motor 190 that movable plate 146 is driven on directions X, the 1Y direction pulse motor 450 of the 1Y direction location mobile device 182 that movable plate 146 is driven on Y direction or θ direction and the 2Y direction pulse 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 drive motor 128 that drives carrying platform main body 110 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 drive motor 300 of squeegee 320, make the squeegee magnetic valve 458 of cylinder 322 actions up and down, make the magnetic valve 460 of medium height position limiter cylinder 324 actions, make the magnetic valve 462 of pushing to 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 respectively equipped with following various switch: manual automatic transfer switch 468, it is used to change manual mode and automatic mode, the pattern that this manual mode promptly moves each actuator with manual operation individually, this automatic mode promptly automatically make the pattern of each actuator action; Printing starting shutdown switch 470, it is used for starting or stops automatic serigraphy; 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 to change following two states, and plate 62 leaves fixed part 78,36 states that lift of will making a plate even touch, and makes the state of plate 62 to fixed part 78 1 side shiftings that touch; Version is advised slide switch 476 at interval, and it is used to change following two positions, promptly inserts version and advise 66 position at interval and do not insert the version position of rule at interval between plate-making 36 and fixed part 78; Floatless switch 478, it is used for plate-making 36 is fixed on framework 14; Directions X switch 480, it is used for movable plate 146 is driven operation on directions X; 1Y direction switch 482 and 2Y direction switch 484, it is used for movable plate 146 is driven operation on Y direction or θ direction; Movable plate floatless switch 485, it is used to make fixture 220 action, so that fixing movable plate 146 simply; 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 is used to make lower table 114 to move up and down; 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 is used to make squeegee 320 to move up and down; Intermediate altitude switch 496, it is used to make squeegee 320 to rise to intermediate altitude in it advances limit; The squeegee drive unit is switch 498 up and down, it be used to 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 of pushing to cylinder 430 actions also is transported in the electronic-controlled installation 440.

When selecting manual mode by operating above-mentioned manual automatic transfer switch 486, above-mentioned carrying roller is switch 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 494, squeegee is switch 494 up and down, intermediate altitude switch 496, the scraper plate drive unit is switch 498 up and down, the hand switch efficient in operation of change-over switch 436 grades is carried out and the corresponding action of these switches individually.

For example, change plate-making 36 o'clock, by operation manual automatic transfer switch 468, select after the manual mode, by operation floatless switch 478, the stationary state that releasing is undertaken by clamping cylinder 86, plate driving switch 474 is touched in operation, just will make a plate and 36 on squeegee drive unit 12 1 sides, push away, operation version is advised slide switch 476 at interval simultaneously, make version advise at interval 66 rise to the position of not inserting after, plate driving switch 474 is touched in operation again, just will touch plate 62 and pull to fixed part 78 1 sides, and make plate-making 36 drop to the 1st guide plate 46 and touch mutually.In this state, operation carrying roller is switch 472 up and down, when carrying roller 54 is risen, makes original used plate-making 36 move the outside of moving silk-screen printing device 10 to lightly by carrying roller 54 and ball swivel body 50.Action is opposite therewith, the installation site that new plate-making 36 is inserted regulation lightly by above-mentioned carrying roller 54 and ball swivel body 50 quilts, and by switch 472 about the operation carrying roller, carrying roller 54 just descends.At this moment,,, carry out clamping with clamping cylinder 86 by operation floatless switch 478 carrying out version in advance at interval under zero situation about confirming, make a plate 36 by cramping at the pushing liner 80 of clamping cylinder 86 and touch between the plate 62.At this moment, be in the state that does not insert because an edition interval advises 66, therefore, by switch 488 about the operation element platform, the last lower table 114 of placing substrate 42 risen, the version interval D 1 that so just can carry out between silk screen 40 and the substrate 42 is zero affirmation.Then, operation floatless switch 478, the clamping that releasing is undertaken by clamping cylinder 86, plate driving switch 474 is touched in operation again, to make a plate and 36 on squeegee drive unit 12 1 sides, push away, meanwhile, the operation version is advised slide switch 476 at interval, make version advise at interval 66 drop to the insertion position after, plate driving switch 474 is touched in operation again, will touch plate 62 and draw in, meanwhile operate floatless switch 478, so carry out clamping, after plate-making 36 is fixed, just forms with version and advise 66 corresponding editions interval D 1 at interval by clamping cylinder 86.In addition, advise slide switch 476 at interval, between 76 rising stages, can this edition interval be advised 66 be replaced with the version interval rule that are suitable for new plate-making 36 as required at the rule holding member by operating version.

In addition, when changing glue, select after the manual mode by operation manual automatic transfer switch 468, by board connecting equipment 306, remove being connected of squeegee support plate 290 and screed support plate 292, and by operation change-over switch 436, by the take-off lever 432 of pushing to cylinder 430 screed support plate 292 is pushed away one section predetermined distance from squeegee support plate 290, in this state, operation squeegee driving switch 492, squeegee support plate 290 is advanced, when screed support plate 292 is driven to its rising peak (engaging) position, make screed support plate 292 automatically be stuck close in this position by clamped position 410.Then, operation squeegee driving switch 492 retreats squeegee support plate 290, so draw back very big distance between screed support plate 292 and the squeegee support plate 290, is easy to squeegee 320, scraper plate 368 and silk screen 40 are cleaned effect.After this cleaning work finishes, operate squeegee driving switch 492 again, squeegee support plate 290 is advanced, meanwhile, extract the operation of the engagement pin 422 of clamping close device 410, so the fastening state of screed support plate 292 is disengaged, and the take-off lever 432 that is brought to cylinder 430 blocks, by operation change-over switch 436, under the state that the take-off lever 432 that will push to cylinder 430 is drawn in, by the connecting pin 312 of operation panel jockey 306, screed support plate 292 is connected with squeegee support plate 290.

But, operation manual automatic transfer switch 468 and selecting under the situation of automatic mode, the operation of above-mentioned hand switch is invalid, simultaneously according to the operation of printing starting shutdown switch, automatically carries out serigraphy.Promptly, when new substrate 42 being held in place substrate and changing on the movable plate 146 of substrate carrying platform 104 of position L with not shown handler, detect the 1 pair of position mark that is punched on this substrate 42 by the location with substrate location checkout gear 13, position action.That is, make directions X location mobile device 180, the 1Y direction location mobile devices 182,184 actions of 2Y direction location mobile device, so that this automatically coincide to position mark and predefined position.Then, after utilizing CD-ROM drive motor 128 that substrate is carried platform 104 and is driven into the printing position, make lower table 114 near plate-making 36 1 sides, simultaneously, the hole enlargement pin 250 of chimeric pin assembly 248 is by hole enlargement, so 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.At this moment, on (rising) position of advancing, make the squeegee 320 that is positioned at medium height position rise to its upper limit height and position, meanwhile, scraper plate 368 is dropped to and silk screen 40 contacted positions, after making squeegee 320 and scraper plate 368 in a single day retreat into it in this state to retreat (decline) position, make squeegee 320 drop to the position of pushing silk screen 40, scraper plate 368 is risen, in this state, it is advanced, the glue on the silk screen 40 just with the regulation copying image to substrate 42.Then, make squeegee 320 be positioned at its middle position, make lower table 114 simultaneously after the direction of leaving silk screen 40 descends, with CD-ROM drive motor 128 substrate is carried platform 104 and be driven into substrate replacing position L, utilize the substrate 42 after handler will print to be replaced with new substrate 42 here.

When carrying out above-mentioned location action, electronic-controlled installation 440 plays a role as position control device, be that it is by changing the directions X position of directions X drive pin 148, the directions X position of substrate 42 with respect to plate-making 36 positioned, by making the identical distance of Y direction position change of 1Y direction drive pin 152 and 2Y direction drive pin 154, just the Y direction position of substrate 42 with respect to plate-making 36 positioned, by making the different distance of Y direction position change of 1Y direction drive pin 152 and 2Y direction drive pin 154, just the rotary position θ of this substrate 42 with respect to plate-making 36 positioned.Therefore, do not use following apparatus just can regulate the directions X position of movable plate, Y direction position, position, angle of revolution θ, these devices are to the lead directions X guider of usefulness of directions X workbench, the directions X workbench is sent to the directions X workbench of usefulness and sent to screw mechanism, to the lead Y direction guider of usefulness of Y direction workbench, Y direction workbench is sent to the Y direction of usefulness and is sent to screw mechanism, on gyratory directions to the lead gyratory directions guider of usefulness of workbench, make workbench along the rotating gyratory directions guider of gyratory directions.

In addition, above-mentioned electronic-controlled installation 440 is when positioning action, in during movable plate 146 moves, by conversion switchover control valve 168, supply with Compressed Gas from Compressed Gas feedway 172 to the 2nd upper and lower bottom plate 144, 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, directions X drive pin 148,1Y direction drive pin 152,2Y direction drive pin 154 according to the signal of telecommunication drives just can make movable plate 146 move with minimum power.On the other hand, after this movable plate 146 location finish,, supply with negative pressure to the 2nd upper and lower bottom plate 144, just movable plate 146 is inhaled on the 2nd upper and lower bottom plate 144 and fixed from Negative pressure supply device 170 by conversion switching valve 168.Like this, the advantage that has is that the driving mechanism and the fixed mechanism of directions X drive pin 148,1Y direction drive pin 152,2Y direction drive pin 154 is very small-sized.

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

For example, on the silk-screen printing device 10 of the foregoing description, plate-making 36 is fixed on the framework 10 with the state that tilts, but also can be the form of fixing with horizontal state.Like this, also can obtain the effect same with the foregoing description.

In addition, in the above-described embodiments, substrate 42 directly is bearing on the movable plate 146, does not also have influence but support indirectly by other parts.

Again, adopt the 1st upper and lower bottom plate 138 and the 2nd upper and lower bottom plate 144 in the above-described embodiments, they are fixed on the lower table 114 with being integral mutually, but also can adopt single upper and lower bottom plate 138.

Also have, in the above-described embodiments, directions X drive pin 148,1Y direction drive pin 152,2Y direction drive pin 154 are installed on the 1st upper and lower bottom plate 138, directions X application of force pin 150,1Y direction application of force pin 156,2Y direction application of force pin 158 are installed on the 2nd upper and lower bottom plate 144, but also can be fixed among the 1st upper and lower bottom plate 138 and the 2nd upper and lower bottom plate 144 any 1.

Again, in the above-described embodiments, directions X application of force pin 150,1Y direction application of force pin 156,2Y direction application of force pin 158 carry out the application of force according to air pressure, but also can be the structures of carrying out the application of force according to the elastic force of spring.

In addition, for example on above-mentioned directions X location mobile device 180, on the helical axis 188 that drives directions X drive pin 148 usefulness, also can adopt the spherical bolt that cooperates by several balls.In this case, can further improve positioning accuracy.

Again, the directions X drive pin 148 of the foregoing description, 1Y direction drive pin 152,2Y direction drive pin 154 and directions X application of force pin 150,1Y direction application of force pin 156,2Y direction application of force pin 158, its section is circular, but for example section is that triangle or ellipse are also passable.

In a word, recited above is one embodiment of the present of invention, and the present invention can carry out various changes in the scope that does not break away from its aim.

Claims

1. silk-screen printing device, it is provided with plate-making and substrate carrying platform, and wherein plate-making is located at the substrate printing position, and substrate carrying platform has following part: carrying platform main body, it leads between predefined substrate replacing position and this substrate printing position; Last lower table, it is to be provided with like this, promptly on this carrying platform main body, can be toward or away from above-mentioned plate-making, this substrate carrying platform is used for being transported to this substrate printing position with changing the substrate that is placed on above the lower table on the position at this substrate, when carrying out serigraphy, make above-mentioned substrate be positioned at plate-making under, it is characterized in that the above-mentioned lower table of going up comprises with the lower part:

Upper and lower bottom plate;

Movable plate, it be placed on this upper and lower bottom plate above, can relatively move being parallel on the direction of this upper and lower bottom plate, this movable plate is used to support above-mentioned substrate;

Directions X driver part and directions X force application part, they are provided in a side of 1 pair of parts on the above-mentioned upper and lower bottom plate, and its effect is this movable plate of clamping on directions X, according to the signal of telecommunication, the directions X driver part is driven on this directions X, and the directions X force application part applies the power of regulation to this directions X driver part;

1Y direction driver part and 2Y direction driver part, and 1Y direction force application part and 2Y direction apply parts, they are provided in a side of 2 pairs of parts on the above-mentioned upper and lower bottom plate, its effect is under the state that leaves predetermined distance on the directions X, the above-mentioned movable plate of clamping on perpendicular to the Y direction of this directions X, according to the signal of telecommunication, 1Y direction driver part and 2Y direction driver part are driven on this Y direction, and 1Y direction force application part and 2Y direction force application part apply the power of regulation to this 1Y direction driver part and 2Y direction driver part.

2. silk-screen printing device according to claim 1, it comprises following part:

Several pores, it is located on the end face of above-mentioned upper and lower bottom plate;

The Compressed Gas feedway, it is used for making Compressed Gas to emit from several pores of this upper and lower bottom plate;

Negative pressure supply device, it is used to make in several pores of above-mentioned upper and lower bottom plate becomes negative pressure state, and above-mentioned movable plate is inhaled on this upper and lower bottom plate;

Switchover control valve, in it is used for during above-mentioned movable plate moves, Compressed Gas is supplied with above-mentioned upper and lower bottom plate, after this movable plate location finishes from above-mentioned Compressed Gas feedway,, with this upper and lower bottom plate of negative pressure feeding this movable plate is fixed on this upper and lower bottom plate from above-mentioned Negative pressure supply device.

3. according to claim 1 or the described silk-screen printing device of claim 2, it also comprises position control device, this position control device is by the directions X position of the above-mentioned directions X driver part of change, just the directions X position of above-mentioned substrate with respect to above-mentioned plate-making positioned, by making the identical distance of Y direction position change of above-mentioned 1Y direction driver part and 2Y direction driver part, just can position the Y direction position of this substrate with respect to this plate-making, by making the different distance of Y direction position change of this 1Y direction driver part and 2Y direction driver part, just can position the rotary position of this substrate with respect to plate-making.

4. according to claim 1 or the described silk-screen printing device of claim 2, it also comprises fixture, this fixture has hole with the level, the fixed head of minor diameter and fixed cylinder, hole wherein with the level is made of small diameter bore and coupled large diameter hole, and this hole connects above-mentioned movable plate; Fixed head, its diameter is littler than above-mentioned large diameter hole; Fixed cylinder is located on the above-mentioned upper and lower bottom plate, and this fixed cylinder has take-off lever, and the diameter of this take-off lever is littler than above-mentioned small diameter bore, and this take-off lever connects small diameter bore, is fixed with this fixed head at the leading section of this take-off lever.

5. according to claim 1 or the described silk-screen printing device of claim 2,

Above-mentioned movable plate is a rectangle,

Above-mentioned directions X driver part and directions X force application part are that section is circular pin, and 2 limits that are parallel to the Y direction of they and this movable plate fasten this movable plate of clamping on directions X;

Above-mentioned 1Y direction driver part and 2Y direction driver part, and 1Y direction force application part and 2Y direction force application part are that section is circular pin, they fasten this movable plate of clamping on the Y direction with 2 limits that are parallel to directions X of above-mentioned movable plate respectively.