The table top blow device of solar battery sheet screening printing platform
Technical field
The present invention relates to solar battery sheet screening printing platform, refer more particularly to the table top blow device purging printing table.
Background technology
Shown in Figure 1, the structure of solar battery sheet screening printing platform conventional at present comprises: frame 10, the surrounding of frame 10 is provided with transparent case 17---case 17 adopts lucite to make usually, a rotary printing platform 13 is installed in case 17, rotary printing platform 13 is fixedly installed four printing tables and printing table 14 equably, 141, 142 and 143, printing scraper and half tone 15 is also provided with in case 17, four printing tables can be positioned at the below of printing scraper and half tone 15 by alternately successively, print direction is for be printed outward by inner, case 17 has door 16 in the front of printing scraper and half tone 15, convenient operation personnel operate.
The operation principle of above-mentioned solar battery sheet screening printing platform is as follows: in work, and rotary printing platform 13 turns clockwise, and four printing tables successively alternately are delivered to the below of printing scraper and half tone 15; The solar battery sheet that need print is by the position of printing table 141 ceaselessly delivered to shown in Fig. 1, and printed by the below delivering to printing scraper and half tone 15 after rotary printing platform 13 90-degree rotation successively, the rotary printing platform 13 that the solar battery sheet finished printing is rotated by 90 degrees delivers to the position of the printing table 143 shown in Fig. 1, then turns left and sends screening printing platform.That is, for position shown in Fig. 1, first printing scraper and half tone 15 print printing table 142, after cell piece on printing table 142 finishes printing, rotary printing platform 13 dextrorotation turn 90 degrees, and printing table 142 forwards the original position of printing table 143 to, and printing table 141 forwards the original position of printing table 142 to, then printing scraper and half tone 15 pairs of printing tables 141 print, and so go round and begin again.
The shortcoming that above-mentioned screening printing platform exists is: during printing, printing table region can produce tiny broken silicon wafers and dust, because print station is relative closure, and the rotary speed of rotary printing platform is very fast, and broken silicon wafers and the dust of generation are not easily found in time, also not easily cleaned in time; The foreign matters such as the tiny broken silicon wafers on printing table and dust very easily cause the damage of half tone, thus the quality of impact printing.
Summary of the invention
The object of this invention is to provide a kind of table top blow device automatically can clearing up the solar battery sheet screening printing platform of printing table in time.
For achieving the above object, present invention employs following technical scheme.
The table top blow device of solar battery sheet screening printing platform, comprise: frame, the surrounding of frame is provided with transparent case, a rotary printing platform is installed in case, rotary printing platform is fixedly installed four printing tables equably, in case, be also provided with printing scraper and half tone, four printing tables can be positioned at the below of printing scraper and half tone by alternately successively; Be characterized in: on a side frame relative with printing scraper and half tone, air knife is installed, the structure of described air knife is: comprise one section of hollow pipe, hollow pipe is positioned at case, one end of hollow pipe is closed, the other end of hollow pipe is connected with compressed air hose, and the centre of hollow pipe offers row's aperture; The two ends of hollow pipe are arranged in frame respectively by fixed mount, and described fixed mount can regulate the setting angle of hollow pipe, make the wind blown out in aperture aim at printing table and purge; Compressed air hose is provided with control valve and flow control valve.
Further, the table top blow device of aforesaid solar battery sheet screening printing platform, wherein, the control signal of control valve and the induced signal associated action of positioning inductor being installed on rotary printing platform.
Further, the table top blow device of aforesaid solar battery sheet screening printing platform, wherein, the other end of described hollow pipe is welded with snap joint, is connected with compressed air hose by snap joint.
Further, the table top blow device of aforesaid solar battery sheet screening printing platform, wherein, the structure of described fixed mount is: comprise an auxiliary splint, every block clamping plate are respectively arranged with the semi-circular hole of installing that can match with hollow pipe, and two semi-circular hole are mirror symmetry; In the upper and lower through hole being respectively arranged with mirror symmetry of semi-circular hole in every block clamping plate; In one piece of clamping plate, be also provided with the screwed hole in order to regulate locking hollow pipe setting angle, screwed hole is connected with the semi-circular hole in these clamping plate.
Beneficial effect of the present invention: the table top blow device using solar battery sheet screening printing platform of the present invention, printing table can obtain automatically clearing up in time, thus remain clean, prevent broken silicon wafers and other foreign matter from residing in printing zone, improve printing quality and the effect of silk screen; Decrease the damage of half tone simultaneously, reduce the downtime of printing equipment, improve the operation ratio of equipment.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of the solar battery sheet screening printing platform described in background technology.
Fig. 2 is the mounting structure schematic diagram of the table top blow device of solar battery sheet screening printing platform of the present invention.
Fig. 3 is the mounting structure schematic diagram of the air knife in Fig. 2.
Fig. 4 is the structural representation of the hollow pipe in Fig. 3.
Fig. 5 is the structural representation of the fixed mount in Fig. 3.
Detailed description of the invention
Below in conjunction with accompanying drawing and preferred embodiment, the table top blow device to solar battery sheet screening printing platform of the present invention is further described.
Shown in Figure 2, the table top blow device of solar battery sheet screening printing platform of the present invention, comprise: frame 10, the surrounding of frame 10 is provided with transparent case 17, a rotary printing platform 13 is installed in case 17, rotary printing platform 13 is fixedly installed four printing tables and printing table 14 equably, 141, 142 and 143, printing scraper and half tone 15 is also provided with in case 17, four printing tables can be positioned at the below of printing scraper and half tone 15 by alternately successively, print direction is for be printed outward by inner, case 17 has door 16 in the front of printing scraper and half tone 15, convenient operation personnel operate.A side frame 10 relative with half tone 15 with printing scraper is provided with air knife 4, shown in Fig. 3, Fig. 4, the structure of described air knife 4 is: comprise one section of hollow pipe 42---the present embodiment hollow core barrel 42 is stainless steel tube, hollow pipe 42 is positioned at case 17, one end 44 of hollow pipe 42 is closed, the other end 41 of hollow pipe 42 is connected with compressed air hose 1---and the other end 41 of the present embodiment hollow core barrel 42 is welded with snap joint 2, be connected with compressed air hose 1 by snap joint 2, the centre of hollow pipe 42 offers row's aperture 43; The two ends of hollow pipe 42 are arranged in frame 10 respectively by fixed mount 3 and 31, and described fixed mount 3 and 31 can regulate the setting angle of hollow pipe 42, make the wind of blowout in aperture 43 aim at printing table and purge; Be illustrated for the structure of fixed mount 3 in the present embodiment, the structure of fixed mount 31 is identical with the structure of fixed mount 3, repeats no more.Shown in Figure 5, the structure of described fixed mount 3 is: comprise an auxiliary splint and clamping plate 5 and 51, clamping plate 5 are provided with the semi-circular hole 7 of installing that can match with hollow pipe 42, clamping plate 51 are provided with the semi-circular hole 71 of installing that can match with hollow pipe 42, and semi-circular hole 7 and semi-circular hole 71 are in mirror symmetry; In clamping plate 5, the upper and lower of semi-circular hole 7 is provided with through hole 6 and 9, in clamping plate 51, the upper and lower of semi-circular hole 71 is provided with through hole 61 and 91, and through hole 6 and 61 is, and mirror symmetry, through hole 9 and 91 are in mirror symmetry; In clamping plate 5, be also provided with the screwed hole 8 in order to regulate locking hollow pipe 42 setting angle, screwed hole 8 is connected with the semi-circular hole 7 in clamping plate 5.Compressed air hose 1 is provided with control valve 12 and flow control valve 11---in the present embodiment, control valve 12 is magnetic valve, the control signal of control valve 12 and the induced signal associated action of positioning inductor being installed on rotary printing platform 13.
During installation, first hollow pipe 42 is put into the semi-circular hole 7 on fixed mount 3 and 31 and semi-circular hole 71, in the through hole 6 and 61,9 and 91 of fixed mount 3 and 31, hollow pipe 42 and frame 10 fix by construction bolt, in screwed hole 8 in fixed mount 3 and 31, lock screw is installed, the wind that aperture 43 is blown out aims at the position of the printing table 14 in Fig. 2, snap joint 2 installs compressed air hose 1, by the control signal of control valve 12 and the induced signal associated action of positioning inductor being installed on rotary printing platform 13.
The operation principle of the table top blow device of solar battery sheet screening printing platform of the present invention is as follows: in work, and rotary printing platform 13 turns clockwise, and four printing tables successively alternately are delivered to the below of printing scraper and half tone 15; The solar battery sheet that need print is by the position of printing table 141 ceaselessly delivered to shown in Fig. 2, and printed by the below delivering to printing scraper and half tone 15 after rotary printing platform 13 90-degree rotation successively, the rotary printing platform 13 that the solar battery sheet finished printing is rotated by 90 degrees delivers to the position of the printing table 143 shown in Fig. 2, then turns left and sends screening printing platform.While printing, control valve 12 obtains electric, compressed air is purged by the 43 pairs of printing tables 14 of the aperture on hollow pipe 42, compressed-air actuated size is regulated by flow control valve 11, tiny broken silicon wafers on printing table 14 and other foreign matter are cleared up in time, that is, for position shown in Fig. 2, first printing scraper and half tone 15 print printing table 142, after cell piece on printing table 142 is printed, rotary printing platform 13 turns clockwise, due to control signal and the induced signal associated action of positioning inductor being installed on rotary printing platform 13 of control valve 12, therefore, in rotary course, control valve 12 does not have signal, be in closed condition, when rotary printing platform 13 dextrorotation turn 90 degrees, printing table 142 forwards the original position of printing table 143 to, printing table 141 forwards the original position of printing table 142 to, printing table 14 forwards the original position of printing table 141 to, printing table 143 forwards the original position of printing table 14 to, now, the cell piece finished printing is turned left from printing table 142 and is sent screening printing platform, cell piece on printing table 141 is sent to the below of printing scraper and half tone 15, the cell piece of new need printing is loaded onto again on printing table 14, then printing scraper and half tone 15 pairs of printing tables 141 print, control valve 12 obtains electric simultaneously, compressed air is purged by the 43 pairs of printing tables 143 of the aperture on hollow pipe 42, tiny broken silicon wafers on printing table 143 and other foreign matter are cleared up in time.So go round and begin again.
Use the table top blow device of solar battery sheet screening printing platform of the present invention, printing table can obtain automatically clearing up in time, thus remain clean, prevent broken silicon wafers and other foreign matter from residing in printing zone, improve printing quality and the effect of silk screen; Decrease the damage of half tone simultaneously, reduce the downtime of printing equipment, improve the operation ratio of equipment.