CN202986307U

CN202986307U - Screen printer

Info

Publication number: CN202986307U
Application number: CN 201220601252
Authority: CN
Inventors: 矢泽隆; 村上俊行
Original assignee: Matsushita Electric Industrial Co Ltd
Current assignee: Panasonic Holdings Corp
Priority date: 2011-12-20
Filing date: 2012-11-15
Publication date: 2013-06-12
Anticipated expiration: 2022-11-15
Also published as: JP5903538B2; JP2013129063A

Abstract

The utility model provides a screen printer capable of preventing paste beside a mask washer from entering a non-washing area which is set not to be washed below a mask. When the non-washing area (S2) is set in a process of setting washing areas (S1) to be washed and the non-washing area (S2) not to be washed below the mask (15) contacted with the upper portion of a base plate (2), the mask washer (18) is enabled to move away from the direction of the non-washing area (S2) and to wash the washing areas (S1).

Description

Screen process press

Technical field

The utility model relate to make scraper plate sliding on mask on substrate the screen process press of the screen process press of the cream such as print solder.

Background technology

Screen process press is the device of the cream such as print solder on the electrode on the substrate that is kept by the substrate maintaining part, make be formed with corresponding with the configuration of the electrode of substrate figure hole mask with electrode and the consistent mode in figure hole and substrate contacts after, scraper plate is had in supply slide on the mask of cream and cream is scraped, via the figure hole of mask, cream is transferred on the electrode of substrate.

In such screen process press, when the serigraphy operation of carrying out substrate, can make printing state bad due to the impact of the following cream that is attached to mask, therefore, possesses the mask washer, it will make cleaning surface relatively move with respect to mask with the paper parts that contact below of mask, and the following cream that (cleaning) is attached to mask is removed in wiping.

In the mask that has used this mask washer cleans, sometimes to set the following zone of cleaning (cleaning area) of mask and the zone (non-cleaning area) of not cleaning, in the situation that be set with non-cleaning area below mask, only cleaning area is cleaned (for example, patent documentation 1) by the mask washer.

Like this, the zone of setting as non-cleaning area in mask cleans is the zone that originally there is no printing paste, but in the situation that clean the cream that this regional wiping is attached to the cleaning surface of mask washer, produce on the contrary bad (for example, decentralized configuration has the zone of metal pad), not should be noted that when cleaning and adhere to cream in non-cleaning area.

Patent documentation 1:(Japan) Unexamined Patent 11-165402 communique

But, at present, when carrying out the cleaning of cleaning area, when making the mask washer move to the end of non-cleaning area, the cream of the cleaning surface that is attached to the mask washer is invaded in non-cleaning area, cause thus printing bad generation.

The utility model content

Therefore, the purpose of this utility model is to provide a kind of screen process press, can not make the cream of mask washer side invade the non-cleaning area of setting as the following zone of not cleaning of mask.

The utility model first aspect provides a kind of screen process press, possesses: mask, and it contacts with the top of substrate; Scraper plate, its with the mask that contacts above substrate on slide, the cream that will supply with on the mask is transferred on substrate; The mask washer, it relatively moves with respect to mask under the state that cleaning surface is contacted below mask, cleans thus the following cream that is attached to mask; The zone setting device, it sets the following cleaning area of cleaning of mask and the non-cleaning area of not cleaning; Clean actuating unit, it makes the mask washer move to the direction away from non-cleaning area in the situation that set non-cleaning area by regional setting device, carries out the cleaning of cleaning area.

The screen process press of the utility model second aspect, on the basis of first aspect, non-cleaning area be set as not form with substrate on the zone in electrode graph of a correspondence hole.

In the utility model, in the situation that as the zone of not cleaning below mask and be set with non-cleaning area, make the mask washer move and carry out the cleaning of cleaning area to the direction away from non-cleaning area, therefore, cream is invaded in non-cleaning area from the cleaning surface of mask washer, can prevent from printing bad generation.

Description of drawings

Fig. 1 is the stereogram of major part of the screen process press of the utility model one embodiment;

Fig. 2 is the side view of major part of the screen process press of the utility model one embodiment;

Fig. 3 is the plane of the mask that keeps of the mask holder that possesses of the screen process press of the utility model one embodiment and masked support;

Fig. 4 means the flow chart of execution sequence of serigraphy operation of the screen process press of the utility model one embodiment;

Fig. 5 (a) and (b) are key diagrams of execution sequence of serigraphy operation of the screen process press of the utility model one embodiment;

Fig. 6 (a) and (b) are key diagrams of execution sequence of serigraphy operation of the screen process press of the utility model one embodiment;

Fig. 7 (a) and (b) are key diagrams of execution sequence of serigraphy operation of the screen process press of the utility model one embodiment;

Fig. 8 (a)～(e) means the figure of the execution sequence that the mask of the screen process press of the utility model one embodiment cleans;

Fig. 9 (a)～(e) means the figure of the execution sequence that the mask of the screen process press of the utility model one embodiment cleans.

Description of symbols

1: screen process press

2: substrate

3: electrode

15: mask

15h: figure hole

18: the mask washer

18a: cleaning surface

19b: clean enforcement division (cleaning actuating unit)

19d: region setting part (regional setting device)

44: scraper plate

Pt: cream

S1: cleaning area

S2: non-cleaning area

The specific embodiment

Below, with reference to accompanying drawing, embodiment of the present utility model is described.in Fig. 1 and Fig. 2, screen process press 1 is for carrying out to the device of the serigraphy operation of being located at the cream Pt such as a plurality of electrodes 3 difference serigraphy scolding tin on substrate 2, it possesses: the substrate of being located on base station 10 is moved into conveyer 11, substrate holding unit 12 and substrate are taken out of conveyer 13, be located at the mask holder 14 of the top of substrate holding unit 12, remain the mask 15 of flat-hand position by mask holder 14, be located at the scraper head 16 of the top of mask 15, be located at mask 15 the below camera unit 17 and be located at side by side in base station 10 with mask washer 18 and carry out the control device 19 of the action control of each one.

Substrate is moved into conveyer 11 and is moved into the arrow mark R1 shown in the substrate 2(Fig. 1 that drops into from the outside of screen process press 1), to 12 handing-over of substrate holding unit.Substrate is taken out of conveyer 13 will take out of (the arrow mark R2 shown in Fig. 1) from the substrate 2 that substrate holding unit 12 is accepted to the outside of screen process press 1.That is, substrate 2 is moved into conveyer 11, substrate holding unit 12, substrate with substrate and is taken out of the order of conveyer 13 and carry out conveyance, and the moving direction of this substrate 2 is made as X-direction (left and right directions of observing from operator OP).In addition, will be made as Y direction (fore-and-aft direction of observing from operator OP) with direction in the horizontal plane of this X-direction quadrature, above-below direction will be made as Z-direction.

Substrate holding unit 12 possesses: make the movement (also comprising rotation) in the XY plane and the unit pedestal 21 that carries out freely to the movement of Z-direction by the cell moving 12A of mechanism that is made of the XYZ manipulator; The a pair of conveyer 22 that is installed on unit pedestal 21 and substrate 2 is carried and carried out locating to the job position (position shown in Figure 1) of regulation to X-direction; Be located at the lower support section lift cylinders 23 of unit pedestal 21; Carry out lifting by lower support section lift cylinders 23, the mode of leaving upward from conveyer 22 with the two ends of the substrate 2 that is positioned at job position by conveyer 22 from the below with the lower support section 24 of substrate 2 jack-up supportings; Open and close on Y direction freely and arrange, clip (clamping) by the both sides of the substrate 2 of lower support section 24 jack-up supportings and a pair of hold assembly 25 that keeps from Y direction.

In Fig. 3, mask 15 utilize by have with substrate 2 on the mask main body 15a that consists of of the rectangular metal plate of a plurality of figures hole 15h of corresponding settings of configuration of electrode 3, be located at mask main body 15a around the cancellous membrane element 15b that makes of resin (for example polyester) and the rectangular box-like mask frame 15w formation of the peripheral part of support membrane parts 15b.

In Fig. 3, mask holder 14 is made of the L shaped pair of right and left track component 14a in the cross section of extending on Y direction above base station 10, and mask 15 is bearing in the right and left relative on X-direction by these pair of right and left track components 14a from the below.

In Fig. 1 and Fig. 2, scraper head 16 possesses: move at the upper area of the mask 15 that masked support 14 keeps the tabular base component 41 that arranges freely along Y direction, be installed on base component 41 and make piston rod 42a outstanding two scraping plate lifting cylinders 42, lower end and the scraper plate keeper 43 that extends along X-direction of the piston rod 42a that are installed on each scraping plate lifting cylinder 42 and two scraper plates 44 that are made of thin-plate member that keeping the upper end on each scraper plate keeper 43 and extending below tiltedly below the base component 41.

In Fig. 1 and Fig. 2, camera unit 17 possesses to be made the visual field of making a video recording towards the below of below video camera 17a and the visual field of making a video recording is consisted of towards the top of top video camera 17b.Camera unit 17 moves along direction in horizontal plane at the lower zone of mask 15 by the camera unit 17A of travel mechanism that is made of not shown actuator etc.

In Fig. 1 and Fig. 2, mask washer 18 extends along X-direction as a whole, and the direction (Y direction) in the horizontal plane parallel with mask 15 and above-below direction (Z-direction) the mobile plane that arranges freely sees that the cross section is that the upper end of the mouth 31 that consists of of rectangular-shaped cartridge has been set up paper parts 32 and consisted of.The part of the upper end that is set up in mouth 31 of paper parts 32 and mask 15(mask main body 15a) following the contact, become the cleaning surface 18a of residue that wiping is attached to the following cream Pt of mask 15.

Mask washer 18 moves to Y direction under the state that paper parts 32 are pushed below mask 15 by the upper end of mouth 31, and thus, wiping is attached to the following cream Pt of mask 15.The cleaning surface 18a of paper parts 32 comes wound paper parts 32 by pair of rolls parts 33, can upgrade thus.

In Fig. 2, be provided with not shown air suction pipeline in mouth 31, attract air via the cleaning surface 18a of paper parts 32 in the air suction pipeline, thus, can carry out efficiently the wiping of the cream Pt of paper parts 32.

The conveying of the substrate 2 that the conveyer 22 of substrate holding unit 12 carries out and to 24 pairs, location action, the lower support section of job position, be positioned at holding action that lower support action that the substrate 2 of job position carries out and 25 pairs of substrates of a pair of hold assembly 2 carry out by by control device 19, being carried out the substrate holding mechanism 12B(Fig. 2 that is formed by the actuator that comprises lower support section lift cylinders 23 etc.) action control carry out, keep the shift action of direction and above-below direction in the horizontal plane of substrate holding unit 12 of substrate 2 to be undertaken by the action control that control device 19 carries out the above-mentioned 12A of cell moving mechanism.In addition, substrate move into action and the substrate of moving into substrate 2 that conveyer 11 carries out taken out of the action of taking out of of the substrate 2 of conveyer 13 and also undertaken by control device 19.

In Fig. 2, scraper head 16(base component 41) scraper head 16M(Fig. 2 of travel mechanism of being made of not shown actuator etc. is carried out in the action that moves back and forth to Y direction by control device 19) action control carry out, each scraper plate 44 makes to get off on scraper plate keeper 43 by the action control that is carried out the scraping plate lifting cylinder 42 corresponding with this scraper plate 44 by control device 19 with respect to the lifting action of base component 41 and carries out.

In Fig. 2, the shift action of camera unit 17 in horizontal plane undertaken by the action control that is carried out the camera unit 17A of travel mechanism by control device 19.The control of the control of the shooting action of below video camera 17a and the shooting action of top video camera 17b is undertaken by control device 19 respectively, the view data that the view data that shooting action by below video camera 17a obtains and the shooting action by top video camera 17b obtain sends to control device 19 respectively, carries out image recognition processing at the image recognition 19a of section of control device 19.

Movement and the lifting moving action control by the washer travel mechanism 18A that by control device 19 undertaken not shown actuator etc. be made of of mask washer 18 in horizontal plane carries out.In addition, the coiling action of the paper parts 32 that possess of mask washer 18 and via the attraction action of the cream Pt of paper parts 32 by the cleaning enforcement division 19b(Fig. 2 by control device 19) carry out washer actuating mechanism 118B(Fig. 2 of being consisted of by not shown actuator etc.) and action control carry out.

In the situation that the screen process press 1 that consists of like this carries out the serigraphy operation, at first control device 19 detects the situation of sending substrate 2 from other device of upstream process side here, make substrate move into conveyer 22 actions of conveyer 11 and substrate holding unit 12, substrate 2 is moved into (step ST1 shown in Figure 4 in screen process press 1.Fig. 5 (a)), then carry out the action control of substrate holding mechanism 12B, keep substrate 2(step ST2 shown in Figure 4.Fig. 5 (b)).The maintenance of substrate 2 particularly, by boosted lower support section 24 by lower support section lift cylinders 23 with the state (arrow mark A1 Fig. 5 (b) shown in) of substrate 2 jack-up for floating from conveyer 22, on the other hand, carry out at the two ends (the arrow mark B1 shown in Fig. 5 (b)) that a pair of hold assembly 25 sandwiched substrate 2 to the closing direction driving.

After control device 19 keeps substrate 2, carry out the action control of the camera unit 17A of travel mechanism, make below video camera 17a be positioned at the substrate-side mark 2m(Fig. 1 that is located at substrate 2) directly over, below video camera 17a carry out the shooting of substrate-side mark 2m, on the other hand, make top video camera 17b be positioned at mask side mark 15m(Fig. 1 and the Fig. 3 that is located at mask 15) under, video camera 17b carries out the shooting of mask side mark 15m up.And, hold the position of substrate 2 according to the view data of resulting substrate-side mark 2m, and, hold the position of mask 15 according to the view data of resulting mask side mark 15m, substrate holding unit 12 direction in horizontal plane is moved, in substrate-side mark 2m and mask side mark 15m relative mode up and down, carry out substrate 2 with respect to the contraposition (step ST3 shown in Figure 4) of direction in the horizontal plane of mask 15.

Control device 19 is after finishing the contraposition of substrate 2 with respect to mask 15, carry out the action control of the cell moving 12A of mechanism, make substrate holding unit 12 with respect to base station 10 risings (the arrow mark C1 shown in Fig. 6 (a)), by make a pair of hold assembly 25 that keeps substrate 2 from the below relatively push mask 15 below, thus, make following contact the (the step ST4 shown in Figure 4 of a pair of hold assembly 25 and substrate 2 top and mask 15 separately.Fig. 6 (a)).Thus, the figure hole 15h of the electrode 3 on substrate 2 and mask 15 becomes consistent state.

Control device 19 after making substrate 2 and mask 15 contact, the display equipment DP(Fig. 2 that is being connected with control device 19) in show to promote the information (step ST5 shown in Figure 4) that operator OP carries out the supply of cream Pt.Show for this, operator OP is at the visual cream Pt that residues on mask 15 of current time, carries out whether should carrying out the judgement of the supply (replenishing) of cream Pt based on the amount of this cream Pt.And, be judged as should carry out the supply of cream Pt the time, supply with by the cream of other preparation the supply that syringe (not shown) carries out cream Pt on the mask 15.And, be judged as the supply that finishes cream Pt at operator OP, or when not needing the supply of cream Pt, carry out the BT(of the Action Button again Fig. 2 that is connected with control device 19) operation.

Control device 19 shows the information of the supply that promotes cream Pt in display equipment DP after, whether carry out at regular intervals the judgement (step ST6 shown in Figure 4) of the operation of Action Button BT again, based on the signal output from Action Button BT again, detect when having carried out the operation of Action Button BT again by operator OP, carry out the blade coating of scraper plate 44, the cream Pt on mask 15 is needed on (step ST7 shown in Figure 4) on substrate 2.

This blade coating is specifically by making the side in two scraper plates 44 descend from scraper head 16, under keeping the state that makes it with butt above mask 15, makes base component 41 move to carry out (the arrow mark D shown in Fig. 6 (b)) in Y direction.Thus, scraper plate 44 slides on mask 15, and the cream Pt on mask 15 scrapes and is pressed in the figure hole 15h of mask 15 by scraper plate 44, is needed on the electrode 3 of substrate 2.In addition, when control device 19 makes scraper head 16 the direction rear is moved and cleaned in the past, make the scraper plate 44 and mask 15 butts of rear side, when carrying out blade coating scraper head 16 is forwards moved from the rear, the scraper plate 44 of front side is connected on mask 15.

Control device 19 is carrying out blade coating and is making after cream Pt is needed on substrate 2, make the cell moving 12A of mechanism action, substrate holding unit 12 is descended (the arrow mark C2 shown in Fig. 7 (a)), make substrate 2 and a pair of hold assembly 25 leave and carry out the demoulding (step ST8 shown in Figure 4 from mask 15.Fig. 7 (a)).Thus, residual cream Pt on the electrode 3 of substrate 2, printing paste Pt on substrate 2.

Control device 19 is removed maintenance (the step ST9 shown in Figure 4 of 12 pairs of substrates 2 of substrate holding unit after finishing the demoulding.Fig. 7 (b)).Particularly, the releasing of the maintenance of this substrate 2 makes substrate holding mechanism 12B action by control device 19, after opening a pair of hold assembly 25 (the arrow mark B2 shown in Fig. 7 (b)), lower support section 24 is descended (the arrow mark A2 shown in Fig. 7 (b)), the two ends of substrate 2 are dropped on a pair of conveyer 22 carried out.

Control device 19 is after the maintenance of removing substrate 2, make the cell moving 12A of mechanism action, substrate holding unit 12 is moved in horizontal plane, make conveyer 22 and substrate take out of conveyer 13 actions after the direction of having adjusted conveyer 22, substrate 2 is taken out of to the outside of screen process press 1 (step ST10 shown in Figure 4).

Whether control device 19 after taking out of substrate 2, is the judgement (step ST11 shown in Figure 4) that the substrate 2 of implementing serigraphy is arranged in addition.Its result in the situation that the substrate 2 of implementing serigraphy is arranged in addition, is returned to step ST1, carries out moving into of new substrate 2, in the situation that there is no to implement in addition the substrate 2 of serigraphy, finishes a series of serigraphy operation.

Screen process press 1 carries out the serigraphy operation by said sequence to every substrate 2, but, open at logarithm～when the substrate 2 of tens (or tens of) carries out this serigraphy operation, due to the residue of the following cream Pt(cream Pt that is attached to mask 15) and may cause the bad generation of printing state.Therefore, in the screen process press 1 of present embodiment, carry out termly the washing and cleaning operation of the mask 15 that uses mask washer 18, below, use the key diagram of Fig. 8 and Fig. 9 to carry out this explanation.

Control device 19 is using the mask 15(mask main body 15a of mask washer 18) cleaning the time, at first, be stored in storage part 19c(Fig. 2 by obtaining from input in advance of operator OP etc.) the cleaning related information of each mask 15, at region setting part 19d(Fig. 2) carry out zone (the cleaning area S1 that cleans below mask 15.Also with reference to Fig. 3) and zone (the non-cleaning area S2 that do not clean.Also with reference to Fig. 3) setting (zone set operation).

As shown in Figure 3, these cleaning areas S1 and non-cleaning area S2 set as the zone of the band shape of namely extending with the direction (X-direction) of Y direction quadrature to the moving direction of scraper head 16.At this, namely the first cleaning area S11, non-cleaning area S2, second cleaning area S1 are that the second cleaning area S12 is arranged sequentially by this from the rear side of mask 15 at first cleaning area S1 of Y direction.

In addition, non-cleaning area S2 for example be set as form with substrate 2 on electrode 3 graph of a correspondence hole 15h, and in the zone that originally there is no printing paste Pt, cleaning should the zone time, wiping is attached to the zone (for example zone of metal gasket decentralized configuration) that the cream Pt of the cleaning surface 18a of mask washer 18 produces unfavorable condition on the contrary.

Behind the zone of cleaning and the zone do not cleaned of the cleaning enforcement division 19b of control device 19 below region setting part 19d sets mask 15, carry out the action control of the washer 18A of travel mechanism and washer actuating mechanism 18B, carry out cleaning shown below and carry out operation.

In cleaning the execution operation, the cleaning enforcement division 19b of control device 19 makes mask washer 18 set operation by region setting part 19d(zone) in the both ends, front and back (Y direction) of the first cleaning area S11 of setting, the end that is positioned at non-cleaning area S2 side be the front side end under (the arrow mark W1 shown in Fig. 8 (a)), from then on make mask washer 18 increase (the arrow mark W2 shown in Fig. 8 (a)), make following contact the (Fig. 8 (a)) of cleaning surface 18a with the mask 15 of mask washer 18.In addition, do not contact the mode of non-cleaning area S2 with the cleaning surface 18a of mask washer 18 when this mask washer 18 rises, the cleaning enforcement division 19b by control device 19 adjusts the position (terminal location of arrow mark W1) that makes before mask washer 18 rises.

After the cleaning surface 18a that the cleaning enforcement division 19b of control device 19 makes mask washer 18 and following contact of mask 15, carry out the action control of the washer 18A of travel mechanism, make mask washer 18 to mobile away from the direction of non-cleaning area S2 (from the outside of the interior side direction mask 15 of mask 15), cleaning surface 18a(paper parts 32 by mask washer 18) wiping is attached to the residue (the arrow mark W3 shown in Fig. 8 (b)) of the following cream Pt of mask 15, carries out the cleaning of the first cleaning area S11.And the cleaning surface 18a of mask washer 18 is when arriving the end (end of the opposition side of non-cleaning area S2, the end of rear side) of the first cleaning area S11, and the cleaning of the first cleaning area S11 finishes (Fig. 8 (b)).

At this, during the residue of the cream Pt below the cleaning surface 18a wiping by mask washer 18 is attached to mask 15, the cleaning enforcement division 19b of control device 19 carry out via the air of the air suction pipeline in mouth 31 the attraction action (after cleaning action in too).

The cleaning enforcement division 19b of control device 19 is after the cleaning of the first cleaning area S11 finishes, mask washer 18 is descended, after cleaning surface 18a is left below mask 15 (the arrow mark W4 shown in Fig. 8 (c)), both ends, the end non-cleaning area S2 side that makes mask washer 18 be arranged in the front and back of the second cleaning area S12 be the rear side end under (the arrow mark W5 shown in Fig. 8 (c)).And, from then on make mask washer 18 increase (the arrow mark W6 shown in Fig. 8 (c)), make following contact the (Fig. 8 (c)) of cleaning surface 18a with the mask 15 of mask washer 18.In addition, the mode that contact with non-cleaning area S2 with the cleaning surface 18a of mask washer 18 when this mask washer 18 rises, the cleaning enforcement division 19b by control device 19 adjusts and makes the mask washer 18 front position (position of the terminal of arrow mark W5) of rising.

The cleaning enforcement division 19b of control device 19 is after the cleaning surface 18a that makes mask washer 18 contacts below mask 15, make mask washer 18 to mobile away from the direction of non-cleaning area S2 (from the outside of the interior side direction mask 15 of mask 15), cleaning surface 18a(paper parts 32 by mask washer 18) wiping is attached to the residue (the arrow mark W7 shown in Fig. 8 (d)) of the following cream Pt of mask 15, carries out the cleaning of the second cleaning area S12.And, arrive (the end of the opposition side of non-cleaning area S2, end of the second cleaning area S12 at the cleaning surface 18a of mask washer 18, the end of front side) time, the cleaning of the second cleaning area S12 finishes (Fig. 8 (d)), make mask washer 18 leave (the arrow mark W8 shown in Fig. 8 (e)) from mask 15, the cleaning that each of mask 15 is opened is carried out operation and is finished (Fig. 8 (e)).

Like this, after the operation end is carried out in each cleaning of opening of mask 15, then when arrive the period that should carry out the mask cleaning, main points described above move mask washer 18 with the route of front and back symmetry, carry out mask with the order of the second cleaning area S12, the first cleaning area S11 and clean (with reference to the arrow mark W11 shown in Fig. 9 (a) and (b), (c), (d), (d), (e) and these figure～W18).

In addition, in this mask cleaned, the cleaning enforcement division 19b of control device 19 made 33 actions of pair of rolls parts when bonding cream Pt becomes many on the cleaning surface 18a of mask washer 18, carries out the coiling of paper parts 32, carries out the renewal of cleaning surface 18a.

As described above, the screen process press 1 of present embodiment possesses: with the mask that contacts above 15 of substrate 2; With the mask 15 that contacts above substrate 2 on slide and make the cream Pt that supplies with on the mask 15 be needed on the scraper plate 44 of substrate 2; Relatively move with respect to mask 15 under the state that cleaning surface 18a is contacted below mask 15, clean thus the mask washer 18 of the following cream Pt that is attached to mask 15; The regional setting device (the region setting part 19d of control device 19) of the non-cleaning area S2 that sets the following cleaning area S1 that cleans of mask 15 and do not clean; In the situation that be set with non-cleaning area S2 by regional setting device, mask washer 18 is moved to the direction away from non-cleaning area S2, carry out the cleaning actuating unit (the cleaning enforcement division 19b of control device 19) of the cleaning of cleaning area S1.

In addition, the mask cleaning method of the screen process press 1 of present embodiment comprises: operation is set in the zone, sets the following cleaning area S1 that cleans of mask 15 and the non-cleaning area S2 that does not clean; Clean and carry out operation, in the situation that the zone is set with non-cleaning area S2 in setting operation, mask washer 18 is moved to the direction away from non-cleaning area S2, carry out the cleaning of cleaning area S1.

In the mask cleaning method of the screen process press 1 of present embodiment and screen process press 1, in the situation that be set with non-cleaning area S2 as the zone of not cleaning below mask 15, make mask washer 18 move and carry out the cleaning of cleaning area S1 to the direction away from non-cleaning area S2, therefore, cream Pt is invaded in non-cleaning area S2 from the cleaning surface 18a of mask washer 18, can prevent from printing bad generation.

In addition, in above-mentioned example, a non-cleaning area S2 is positioned at two cleaning area S1(the first cleaning area S11 and the second cleaning area S 12) between, but, non-cleaning area S2 is as long as the zone of the band shape that the direction (X-direction) that conduct is the Y direction quadrature to the moving direction with scraper head 16 is extended is set, and its position and quantity are arbitrarily.Cleaning in the situation that a cleaning area S1 between two non-cleaning area S2, as long as from cleaning area S1 two ends separately towards the central authorities of cleaning area S1 (namely, mask washer 18 is moved to the direction away from non-cleaning area S2) clean, can not make any in two the non-cleaning area S2 of cream Pt intrusion that are attached to mask washer 18, can carry out the cleaning of cleaning area S1.

Utilizability on industry

The utility model provides a kind of mask cleaning method and screen process press of screen process press, can not make the cream of mask washer side invade the non-cleaning area of setting as the following zone of not cleaning of mask.

Claims

1. screen process press is characterized in that possessing:

Mask, it contacts with the top of substrate;

Scraper plate, its with the mask that contacts above substrate on slide, the cream that will supply with on the mask is transferred on substrate;

The mask washer, it relatively moves with respect to mask under the state that cleaning surface is contacted below mask, cleans thus the following cream that is attached to mask;

The zone setting device, it sets the following cleaning area of cleaning of mask and the non-cleaning area of not cleaning;

Clean actuating unit, it makes the mask washer move to the direction away from non-cleaning area in the situation that set non-cleaning area by regional setting device, carries out the cleaning of cleaning area.

2. screen process press as claimed in claim 1, is characterized in that, non-cleaning area be set as not form with substrate on the zone in electrode graph of a correspondence hole.