CN103448357B - Printing unit of screen printing machine - Google Patents
Printing unit of screen printing machine Download PDFInfo
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- CN103448357B CN103448357B CN201310393358.0A CN201310393358A CN103448357B CN 103448357 B CN103448357 B CN 103448357B CN 201310393358 A CN201310393358 A CN 201310393358A CN 103448357 B CN103448357 B CN 103448357B
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Abstract
The invention provides a printing unit of a screen printing machine. The printing unit comprise a rack, a screen frame, a screen bracket, a roller and a printing cutter bit, wherein a rear supporting plate of the screen bracket is provided with a screen adjusting and locking device; four corners of the screen bracket are respectively provided with a screen clamping device; the printing cutter bit comprises a scraping and printing cutter, a cutter frame arranged on the scraping and printing cutter, a cutter bit box arranged on the cutter frame, a scraping and printing cutter pressurizing device, a scraping and printing cutter angle adjusting and locking device, a scraping and printing cutter position adjusting device and a scraping and printing cutter switching device. According to the printing unit provided by the invention, by adopting an oblique table type screen frame, the screen bracket only needs to be obliquely lifted by hands when screen cloth needs to be cleaned, the screen bracket can be supported by an air spring, and thus the screen cloth can be more simply and conveniently cleaned; meanwhile, a closed oil way is formed by a decompression valve, an oil storage seat, an oil cylinder, an oil valve seat and the like, a control air way is formed by an external air source and the decompression valve, thus the cutter frame is controlled, and the stability of the cutter frame is greatly increased.
Description
Technical field
The invention belongs to printing equipment field, be specifically related to a kind of printing element of screen printer.
Background technology
Printing machine is the machine of printing word and image.Modern printing machine generally by locing up, inking, impression, Shu Zhideng mechanism form.Its operation principle is: the writings and image that first will print makes forme, dress on the printer, then ink is coated on by artificial or printing machine place forme having writings and image, be transferred to directly or indirectly again on paper or other stocks (as textile, metallic plate, plastic cement, leather, plank, glass and pottery), thus copy the printed matter identical with forme.The invention of printing machine and development, the propagation for human civilization and culture has important function.
Printing machine, in printing process, has lifts phenomenon, after having added pressurizer, effectively can prevent the generation of phenomenon here, make printed patterns reach optimum efficiency.But pressurizer in the past substantially all adopts cylinder to carry out pressurize, because gas circuit has gas leak phenomenon, make cylinder pressurize unstable, final printing effect is bad.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, provide the printing element of a kind of printing effect screen printer better, more convenient to operate.
The present invention is achieved through the following technical solutions:
A printing element for screen printer, comprises frame, and is arranged on screen plate frame, screen frame, cylinder and the printing cutter head in frame, it is characterized in that:
Described screen frame comprises by front setting a roof beam in place, set a roof beam in place in rear frame member, a left side and set a roof beam in place in the right side half tone support splicing and form, and the front supporting plate of inner side of setting a roof beam in place before being arranged on and the rear supporting plate that is arranged on inside rear frame member, described rear supporting plate is provided with half tone and adjusts locking device; Four angles of described screen frame are provided with half tone hold down gag;
Described screen plate frame comprises splices by header board, rear plate, left plate and right plate the half tone framework formed, and described half tone support supports the inside being arranged on half tone framework; The bottom of left plate and right plate is provided with the tooth bar matched with the gear at cylinder two ends, and set a roof beam in place in a described left side and right one end of setting a roof beam in place is arranged on left plate and right plate respectively by hinge, and left plate and a left side are provided with air spring between setting a roof beam in place; One end of described air spring is fixed on the lateral surface of setting a roof beam in place on a left side, and the other end is fixed on the medial surface of left plate;
On the knife rest that described printing cutter head comprises scrape printing cutter, be arranged on scrape printing cutter and the cutter head case be arranged on knife rest, and scrape printing cutter pressurizer, scrape printing cutter angular adjustment locking device, scrape printing cutter apparatus for adjusting position and scrape printing cutter switching device shifter;
Described scrape printing cutter pressurizer comprises two oil cylinders, fuel tap seat, oil storage seat, pressure-reducing valve and air gauge, and the top of described knife rest is provided with two oil cylinders; Described oil cylinder comprises a cylinder body, is provided with reciprocating piston and piston rod in described cylinder body, cylinder body is provided with oil-in and oil-out; The piston rod of described oil cylinder is connected with knife rest, and oil-in and oil-out are all communicated with fuel tap seat; Described fuel tap seat is communicated with oil storage seat, and it is inner that fuel tap seat and oil storage seat are all fixedly installed on cutter head case, and described oil storage seat is connected with external air source by gas piping, and described gas piping is provided with pressure-reducing valve, and pressure-reducing valve is positioned on the upper surface of cutter head case; Air gauge is arranged on the gas piping that described source of the gas is communicated with oil storage seat.
The further setting of the present invention is, described half tone hold down gag comprises cylinder, fixed head, two gripper shoes, actuation arm, transmission arm, clamping arm and pressure heads;
The cylinder body of described cylinder and two gripper shoes are installed on fixed head, and the first end of described clamping arm has been bolted connection pressure head, and the second end of clamping arm is arranged in two gripper shoes by rotating shaft, and between two gripper shoes;
Described actuation arm comprises two support arms, and the first end of described two support arms is separately fixed at the end both sides of the piston rod of cylinder, and the second end of two support arms is connected by rotating shaft with two gripper shoes;
Described transmission arm comprises two sub-arms of interlock, and connect the transverse arm of two sub-arms of interlock, two sub-arms of interlock are separately positioned on the inner side of two support arms of actuation arm, the first end of two sub-arms of interlock is all fixed with piston rod, second end of two sub-arms of interlock is arranged on the middle part of clamping arm respectively by rotating shaft, transverse arm is pressed on the top of clamping arm, the first end of described clamping arm is provided with kidney-shaped mounting groove, described bolt is fastened on clamping arm through kidney-shaped mounting groove, and the bottom of described pressure head is provided with nylon cushion.
The further setting of the present invention is, described half tone adjustment locking device comprises back rest adjustable plate, two locking cylinders, two locking cylinder lid first handwheels, the first leading screw, jacking block, the second handwheel, the second leading screw, the 3rd handwheel, the 3rd handwheel transmission mechanism and the 3rd leading screws
Described back rest adjustable plate is provided with two through holes, two locking cylinders are arranged on the below of two through holes respectively, and the piston rod of described locking cylinder is connected with a locking cylinder lid through described through hole, and the size of described locking cylinder lid is greater than the size of described through hole;
First leading screw is mutually vertical with the second leading screw direction; Second leading screw is parallel with the 3rd leading screw direction; Described first handwheel is connected with the first leading screw, and the first leading screw is arranged on back rest adjustable plate by the first apical axis seat, and the end of described first leading screw is connected with jacking block; Described second handwheel is connected with the second leading screw, and the second leading screw is arranged on back rest adjustable plate by the second apical axis seat, and the end of described second leading screw is connected with jacking block; Described jacking block is connected with rear frame member, links with rear frame member; Described 3rd handwheel is arranged on back rest adjustable plate, and is positioned at the left side of the second handwheel, and the 3rd handwheel is connected with the 3rd leading screw by the 3rd handwheel transmission mechanism, and the end of described 3rd leading screw is connected with rear frame member;
Described 3rd handwheel transmission mechanism comprises synchronizing wheel, gap bridge synchronizing wheel, expansion sleeve, Timing Belt and lower synchronizing wheel, 3rd handwheel is connected with upper synchronizing wheel, rotate for driving upper synchronizing wheel, described upper synchronizing wheel is arranged on the upper surface of back rest adjustable plate by upper synchronous wheel seat, described lower synchronizing wheel is arranged on the lower surface of back rest adjustable plate by lower synchronous wheel seat; Upper synchronizing wheel, gap bridge synchronizing wheel, expansion sleeve and lower synchronizing wheel carry out connection for transmission by Timing Belt, and the end of described 3rd leading screw is connected with lower synchronizing wheel.
The further setting of the present invention is, described scrape printing cutter angular adjustment locking device comprises the two pieces of arc plates in left and right and two, left and right set lever, the two ends of knife rest are provided with the dial in circular arc, described arc plate is fixedly mounted on scrape printing cutter, two pieces of arc plates lay respectively at the outside of two dials on knife rest, two set levers are separately positioned on the two ends of knife rest, for locking the position of arc plate and dial; Described arc plate is provided with arc-shaped slot pass, and described set lever, through described arc-shaped slot pass, stretches out outside arc plate; The end face of described dial is provided with chute, the end face that described arc plate and dial close on mutually is provided with the slide block mated with described chute; Described slide block and arc plate are structure as a whole.
The further setting of the present invention is, described scrape printing cutter apparatus for adjusting position comprises adjustment handwheel, hand wheel shaft, Connection Block, yaw and oil cylinder seat, described adjustment handwheel is rotating to be arranged on cutter head case, and hand wheel shaft is arranged on the inside of adjustment handwheel, drives it to move up and down by adjustment handwheel; Described Connection Block is fixed on the lower end of hand wheel shaft, links with hand wheel shaft; Yaw is fixed on Connection Block, and is connected with oil cylinder seat, and oil cylinder is arranged on oil cylinder seat, the piston rod of described oil cylinder by oscillating bearing with scrape knife rest and be connected.
The further setting of the present invention is, described scrape printing cutter switching device shifter comprises cam, connecting rod, two linear axis bearings and linear axis, and described connecting rod is provided with a pivot, described connecting rod is L-type; One end of described connecting rod abuts with cam, and the other end abuts with the bottom face of linear axis; Described cam is arranged on the outside of frame; Described linear axis is arranged in linear axis bearing, and printing cutter head is arranged on the top of linear axis.
The printing element of screen printer of the present invention has following beneficial effect:
1, with traditional can only compared with the screen frame that pulls out of level, the present invention by arranging air spring between screen frame and screen plate frame, only need when making to clean screen cloth to lift oblique for screen frame with hand, air spring will support screen frame, and then make cleaning screen cloth more simple and convenient.
2, compared with traditional pressurizer, the present invention is by the composition such as pressure-reducing valve, oil storage seat, oil cylinder and fuel tap seat one closing oil path, and external air source and pressure-reducing valve composition one control gas circuit, control knife rest, the stability of knife rest is promoted greatly, thus also improves the stability of scrape printing cutter.
Compared with the half tone hold down gag of 3, cylinder manual or common with traditional employing, the present invention, by the cooperation of cylinder, actuation arm, transmission arm, clamping arm and pressure head, constitutes a cylinder clamping device, achieves the compression to half tone; Even if this half tone hold down gag, when air compressor machine is turned off, also can keep mechanical grip, half tone can not be shifted, and chromatography is relatively more accurate, brings a lot of convenience to operator.
4, compared with adjusting locking device with traditional half tone, the present invention achieves adjustment by three handwheels, namely rotates first-hand wheel drive first screw mandrel, carries out left and right adjustment; Rotate second-hand's wheel drive second screw mandrel, carry out adjustment before and after right side; Rotate the 3rd handwheel, through the transmission of upper synchronizing wheel, Timing Belt, gap bridge synchronizing wheel, expansion sleeve, lower synchronizing wheel driving the 3rd screw mandrel, carry out adjustment before and after left side.This half tone adjustment locking device only just can need adjust at fore side, operates very simple.
5, compared with adjusting locking device with traditional half tone, back rest adjustable plate kills by locking cylinder drive locking cylinder lid is drop-down by the present invention, and back rest adjustable plate connects rear frame member, rear frame member connects rear supporting plate, printing screen plate is placed on above rear supporting plate, rear supporting plate is fixed extremely, so printing screen plate also would not directly be locked with cylinder by changing position, operation is very simple, can significantly improve operating efficiency.
6, compared with adjusting locking device with traditional scraper angle, structure of the present invention is simple, easy to operate, manually need only be come loose the set lever of both sides, swing left and right arc plate, after dial between left and right arc plate and knife rest finds desirable angle, lock the set lever of both sides again, scraper angle is adjusted with the operation of locking simpler and easy.
7, compared with traditional scrape printing cutter apparatus for adjusting position, hand wheel shaft is driven by adjustment handwheel, moving up and down of hand wheel shaft drives the up-down adjustment of Connection Block, and yaw is fixed on Connection Block, yaw connects again oil cylinder seat and oil cylinder, scrapes knife rest and is connected with oil cylinder, and scrape printing cutter is fixed on and scrapes above knife rest, so by regulating adjustment handwheel, the upper-lower position that just can carry out scrape printing cutter regulates; This scrape printing cutter apparatus for adjusting position structure is simple, easy to operate, can significantly improve operating efficiency.
8, compared with traditional scrape printing cutter switching device shifter, the present invention, by the circular motion of cam, drives moving up and down of linear axis, thus makes the scrape printing cutter on printing cutter head and ink distribution cutter replace reciprocating action.Cam is arranged on the outside of frame simultaneously, makes adjustment cam convenient, accurate.
Accompanying drawing explanation
Fig. 1 is the structure chart of the printing element of screen printer;
Fig. 2 is the structure chart of screen plate frame and screen frame;
Fig. 3 is the structure chart of half tone hold down gag;
Fig. 4 is the front view of half tone position regulator;
Fig. 5 is the top view of half tone position regulator;
Fig. 6 is the structure chart of printing cutter head;
Fig. 7 is the structure chart of scrape printing cutter pressurizer;
Fig. 8 is the structure chart of scrape printing cutter angular adjustment locking device;
Fig. 9 is the structure chart of scrape printing cutter apparatus for adjusting position;
Figure 10 is the structure chart of scrape printing cutter switching device shifter.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As Figure 1-10 shows, the invention provides a kind of printing element of screen printer, comprise frame 1, and be arranged on screen plate frame 2, screen frame 3, cylinder 4 and the printing cutter head 5 in frame 1.
Described screen frame 3 comprises by front setting a roof beam in place 31, set a roof beam in place in rear frame member 32, a left side 33 and the right side to set a roof beam in place the half tone support that 34 splicings form, and the front supporting plate 35 of setting a roof beam in place before being arranged on inside 31 and the rear supporting plate 36 be arranged on inside rear frame member 32, described rear supporting plate 36 is provided with half tone adjustment locking device 7; Four angles of described screen frame 3 are provided with half tone hold down gag 6;
Described screen plate frame 2 comprises splices by header board 21, rear plate 22, left plate 23 and right plate 24 the half tone framework formed, and described half tone support supports the inside being arranged on half tone framework; The bottom of left plate 23 and right plate 24 is provided with the tooth bar matched with the gear at cylinder 4 two ends, a described left side set a roof beam in place 33 and right set a roof beam in place 34 one end be arranged on left plate 23 and right plate 24 respectively by hinge, set a roof beam in place between 33 and are provided with air spring 25 in left plate 23 and a left side; One end of described air spring 25 be fixed on a left side set a roof beam in place 33 lateral surface, the other end is fixed on the medial surface of left plate 23; Described air spring 25 mainly plays support bar effect, rises and can adopt a free type air spring.When needing cleaning screen cloth, only need to lift oblique for screen frame 3 with hand, air spring 25 will support screen frame 3, and then make cleaning screen cloth more simple and convenient.
On the knife rest 52 that described printing cutter head 5 comprises scrape printing cutter 51, be arranged on scrape printing cutter 51 and the cutter head case 58 be arranged on knife rest 52, and scrape printing cutter pressurizer, scrape printing cutter angular adjustment locking device, scrape printing cutter apparatus for adjusting position and scrape printing cutter switching device shifter;
Described scrape printing cutter pressurizer comprises two oil cylinders 53, fuel tap seat 54, oil storage seat 55, pressure-reducing valve 56 and air gauge 57, and the top of described knife rest 52 is provided with two oil cylinders 53; Described oil cylinder 53 comprises a cylinder body, is provided with reciprocating piston and piston rod in described cylinder body, cylinder body is provided with oil-in and oil-out; The piston rod of described oil cylinder 53 is connected with knife rest 52, and oil-in and oil-out are all communicated with fuel tap seat 54; Described fuel tap seat 54 is communicated with oil storage seat 55, it is inner that fuel tap seat 54 and oil storage seat 55 are all fixedly installed on cutter head case 58, described oil storage seat 55 is connected with external air source by gas piping, described gas piping is provided with pressure-reducing valve 56, and pressure-reducing valve 56 is positioned on the upper surface of cutter head case 58; Air gauge 57 is arranged on the gas piping that described source of the gas is communicated with oil storage seat.When external air source is not ventilated, oil cylinder 53 cutter setting frame 52 only has very little active force, and knife rest 52 is swingable; When external air source is ventilated, oil cylinder 53 cutter setting frame 52 applies active force, knife rest 52 is compressed downwards, thus can prevent the generation of lifts phenomenon, make printed patterns reach optimum efficiency.
Concretely, described half tone hold down gag 6 comprises cylinder 61, fixed head 62, two gripper shoes 64, actuation arm 63, transmission arm 65, clamping arm 66 and pressure heads 68; Cylinder body and two gripper shoes 64 of described cylinder 61 are installed on fixed head 62, the first end of described clamping arm 66 is fastenedly connected with pressure head 68 by bolt 67, second end of clamping arm 66 is arranged in two gripper shoes 64 by rotating shaft, and between two gripper shoes 64; Described actuation arm 63 comprises two support arms, and the first end of described two support arms is separately fixed at the end both sides of the piston rod 69 of cylinder 61, and the second end of two support arms is connected by rotating shaft with two gripper shoes 64;
Described transmission arm 65 comprises two sub-arms of interlock, and connect the transverse arm of two sub-arms of interlock, two sub-arms of interlock are separately positioned on the inner side of two support arms of actuation arm 63, the first end of two sub-arms of interlock is all fixed with piston rod 69, and the second end of two sub-arms of interlock is arranged on the middle part of clamping arm 66 respectively by rotating shaft; Transverse arm is pressed on the top of clamping arm 66; The first end of described clamping arm 66 is provided with kidney-shaped mounting groove, and described bolt 67 is fastened on clamping arm 66 through kidney-shaped mounting groove, and the bottom of described pressure head 68 is provided with nylon cushion.
The course of work of above-mentioned half tone hold down gag 6 is:
The piston rod 69 of control device control cylinder 61 stretches out, and actuation arm 63 is pressed on clamping arm 66, thus realizes the compression to half tone by pressure head 68; Now, even if air compressor machine is turned off, transmission arm 65, actuation arm 63 and gripper shoe 64 form a mechanical compaction structure, and clamping arm 66 also cannot lift.
The piston rod 69 of control device control cylinder 61 is retracted, and actuation arm 63 and transmission arm 65 are to the motion of cylinder 61 cylinder body direction, and clamping arm 66 lifts by actuation arm 63.
Described half tone adjustment locking device 7 comprises back rest adjustable plate 71, two locking cylinders 72, two locking cylinder lid 73, first handwheel 74, first leading screws 75, jacking block 76, second handwheel 77, second leading screw 78, the 3rd handwheel 79, the 3rd handwheel transmission mechanism and the 3rd leading screw 710
Described back rest adjustable plate 71 is provided with two through holes, two locking cylinders 72 are arranged on the below of two through holes respectively, the piston rod of described locking cylinder 72 is connected with a locking cylinder lid 73 through described through hole, and the size of described locking cylinder lid is greater than the size of described through hole;
First leading screw 75 is mutually vertical with the second leading screw 78 direction; Second leading screw 78 is parallel with the 3rd leading screw 710 direction; Described first handwheel 74 is connected with the first leading screw 75, and the first leading screw 75 is arranged on back rest adjustable plate 71 by the first apical axis seat 711, and the end of described first leading screw 75 is connected with jacking block 76; Described second handwheel 77 is connected with the second leading screw 78, and the second leading screw 78 is arranged on back rest adjustable plate 71 by the second apical axis seat 712, and the end of described second leading screw 78 is connected with jacking block 76; Described jacking block 76 is connected with rear frame member 32, links with rear frame member 32; Described 3rd handwheel 79 is arranged on back rest adjustable plate 71, and is positioned at the left side of the second handwheel 77, and the 3rd handwheel 79 is connected with the 3rd leading screw 710 by the 3rd handwheel transmission mechanism, and the end of described 3rd leading screw 710 is connected with rear frame member 32;
Described 3rd handwheel transmission mechanism comprises synchronizing wheel 713, gap bridge synchronizing wheel 714, expansion sleeve 715, Timing Belt 716 and lower synchronizing wheel 717,3rd handwheel 79 is connected with upper synchronizing wheel 713, rotate for driving upper synchronizing wheel 713, described upper synchronizing wheel 713 is arranged on the upper surface of back rest adjustable plate 71 by upper synchronous wheel seat 718, and described lower synchronizing wheel 717 is arranged on the lower surface of back rest adjustable plate 71 by lower synchronous wheel seat 719; Upper synchronizing wheel 713, gap bridge synchronizing wheel 714, expansion sleeve 715 and lower synchronizing wheel 717 carry out connection for transmission by Timing Belt 716, and the end of described 3rd leading screw 710 is connected with lower synchronizing wheel 717.
The adjustment process of above-mentioned half tone adjustment locking device is:
Rotating the first handwheel 74 drives the first screw mandrel 75, first screw mandrel 75 to drive jacking block 76 to move, and then drives rear frame member 32 to move, and realizes the right position adjustment of printing screen plate;
Rotating the second handwheel 77 drives the second screw mandrel 78, second screw mandrel 78 to drive jacking block 76 to move, and then drives rear frame member 32 to move, and carries out the front and back adjustment on the right side of printing screen plate;
Rotate the 3rd handwheel 79, drive the 3rd screw mandrel 710 to move through upper synchronizing wheel 713, Timing Belt 716, gap bridge synchronizing wheel 714, expansion sleeve 715 and lower synchronizing wheel 717, and then drive rear frame member 32 to move, carry out the front and back adjustment on the left of printing screen plate.
The locking process of above-mentioned half tone adjustment locking device is:
Adopt the first handwheel 74, second handwheel 77 and the 3rd handwheel 79 that printing screen plate is adjusted to exact position, afterwards, locking cylinder 72 drives that locking cylinder lid 73 is drop-down to be killed back rest adjustable plate 71, and back rest adjustable plate 71 connects rear frame member 32, rear frame member 32 connects rear supporting plate 36, printing screen plate is placed on above rear supporting plate 36, rear supporting plate 36 is fixed extremely, so printing screen plate also would not changing position.
Described scrape printing cutter angular adjustment locking device comprises the two pieces of arc plates 43 in left and right and two, left and right set lever 44, the two ends of knife rest 52 are provided with the dial 45 in circular arc, described arc plate 43 is fixedly mounted on scrape printing cutter 51, two pieces of arc plates 43 lay respectively at the outside of two dials 45 on knife rest 52, two set levers 44 are separately positioned on the two ends of knife rest 52, for locking the position of arc plate 43 and dial 45; Described arc plate 43 is provided with arc-shaped slot pass 46, and described set lever 44, through described arc-shaped slot pass 46, stretches out outside arc plate 43; After arc plate 43 and the position of dial 45 are locked, scrape printing cutter 51 cannot adjust; When needs adjust, unclamp set lever 44, arc plate 43 and dial 45 can relative movements, swing the two pieces of arc plates 43 in left and right, after scrape printing cutter 51 is adjusted to desirable angle, then lock the set lever 44 of both sides, make the operation of the angle adjustment of scrape printing cutter 51 and locking simpler and easy.In order to make the motion of arc plate 3 more flexibly reliable, the end face of described dial 45 being provided with chute, the end face that described arc plate 43 and dial 45 close on mutually is provided with the slide block 47 mated with described chute.Described slide block 47 is structure as a whole with arc plate 43, is the boss arranged on arc plate 43.
Described scrape printing cutter apparatus for adjusting position comprises adjustment handwheel 11, hand wheel shaft 12, Connection Block 13, yaw 14 and oil cylinder seat 15, described adjustment handwheel 11 is rotating to be arranged on cutter head case 58, hand wheel shaft 12 is arranged on the inside of adjustment handwheel 12, drives it to move up and down by adjustment handwheel 12; Described Connection Block 13 is fixed on the lower end of hand wheel shaft 12, links with hand wheel shaft 12; Yaw 14 is fixed on Connection Block 13, and is connected with oil cylinder seat 15, and oil cylinder 53 is arranged on oil cylinder seat 15, the piston rod of described oil cylinder 53 by oscillating bearing with scrape knife rest 52 and be connected.
Described scrape printing cutter switching device shifter comprises cam 16, connecting rod 17, two linear axis bearings 18 and linear axis 19, and described connecting rod 17 is provided with a pivot, and described connecting rod 17 is in L-type; One end of described connecting rod 17 abuts with cam 16, and the other end abuts with the bottom face of linear axis 19; Described cam 16 is arranged on the outside of frame 1; Described linear axis 19 is arranged in linear axis bearing 18, and printing cutter head 5 is arranged on the top of linear axis 19.The circular motion of cam 16, can drive linear axis 19 to move up and down, thus makes the scrape printing cutter on printing cutter head 5 and ink distribution cutter replace reciprocating action.
It is apparent to one skilled in the art that the present invention can change into various ways, and such change is not thought and departed from the scope of the present invention.All like this to the apparent amendment of the technical staff in described field, by be included in this claim scope within.
Claims (6)
1. the printing element of a screen printer, comprise frame (1), and be arranged on screen plate frame (2) in frame (1), screen frame (3), cylinder (4) and printing cutter head (5), it is characterized in that:
Described screen frame (3) comprise to be set a roof beam in place (33) by front set a roof beam in place (31), rear frame member (32), a left side and the right side set a roof beam in place (34) splice the half tone support formed, and set a roof beam in place before being arranged on (31) inner side front supporting plate (35) and be arranged on rear frame member (32) inner side rear supporting plate (36), described rear supporting plate (36) is provided with half tone adjust locking device (7); Four angles of described screen frame (3) are provided with half tone hold down gag (6);
Described screen plate frame (2) comprises splices by header board (21), rear plate (22), left plate (23) and right plate (24) the half tone framework formed, and described half tone support supports the inside being arranged on half tone framework; The bottom of left plate (23) and right plate (24) is provided with the tooth bar matched with the gear at cylinder (4) two ends, one end that setting a roof beam in place (33) in a described left side and sets a roof beam in place in the right side (34) is arranged on left plate (23) and right plate (24) respectively by hinge, sets a roof beam in place between (33) and be provided with air spring (25) in left plate (23) and a left side; One end of described air spring (25) is fixed on a left side and sets a roof beam in place the lateral surface of (33), and the other end is fixed on the medial surface of left plate (23);
The cutter head case (58) that described printing cutter head (5) comprises scrape printing cutter (51), is arranged on the knife rest (52) on scrape printing cutter (51) and is arranged on knife rest (52), and scrape printing cutter pressurizer, scrape printing cutter angular adjustment locking device, scrape printing cutter apparatus for adjusting position and scrape printing cutter switching device shifter;
Described scrape printing cutter pressurizer comprises two oil cylinders (53), fuel tap seat (54), oil storage seat (55), pressure-reducing valve (56) and air gauge (57), and the top of described knife rest (52) is provided with two oil cylinders (53); Described oil cylinder (53) comprises a cylinder body, is provided with reciprocating piston and piston rod in described cylinder body, cylinder body is provided with oil-in and oil-out; The piston rod of described oil cylinder (53) is connected with knife rest (52), and oil-in and oil-out are all communicated with fuel tap seat (54); Described fuel tap seat (54) is communicated with oil storage seat (55), it is inner that fuel tap seat (54) and oil storage seat (55) are all fixedly installed on cutter head case (58), described oil storage seat (55) is connected with external air source by gas piping, described gas piping is provided with pressure-reducing valve (56), pressure-reducing valve (56) is positioned on the upper surface of cutter head case (58); Air gauge (57) is arranged on the gas piping that described external air source is communicated with oil storage seat.
2. the printing element of screen printer according to claim 1, it is characterized in that, described half tone hold down gag (6) comprises cylinder (61), fixed head (62), two gripper shoes (64), actuation arm (63), transmission arm (65), clamping arm (66) and pressure heads (68);
Cylinder body and two gripper shoes (64) of described cylinder (61) are installed on fixed head (62), the first end of described clamping arm (66) is fastenedly connected with pressure head (68) by bolt (67), second end of clamping arm (66) is arranged on two gripper shoes (64) by rotating shaft, and is positioned between two gripper shoes (64);
Described actuation arm (63) comprises two support arms, the first end of described two support arms is separately fixed at the end both sides of the piston rod (69) of cylinder (61), and the second end of two support arms is connected by rotating shaft with two gripper shoes (64);
Described transmission arm (65) comprises two sub-arms of interlock, and connect the transverse arm of two sub-arms of interlock, two sub-arms of interlock are separately positioned on the inner side of two support arms of actuation arm (63), the first end of two sub-arms of interlock is all fixed with piston rod (69), and the second end of two sub-arms of interlock is arranged on the middle part of clamping arm (66) respectively by rotating shaft; Transverse arm is pressed on the top of clamping arm (66), the first end of described clamping arm (66) is provided with kidney-shaped mounting groove, described bolt (67) is fastened on clamping arm (66) through kidney-shaped mounting groove, and the bottom of described pressure head (68) is provided with nylon cushion.
3. the printing element of screen printer according to claim 1, it is characterized in that, described half tone adjustment locking device (7) comprises back rest adjustable plate (71), two locking cylinders (72), two locking cylinder lids (73), the first handwheel (74), the first leading screw (75), jacking block (76), the second handwheel (77), the second leading screw (78), the 3rd handwheel (79), the 3rd handwheel transmission mechanism and the 3rd leading screws (710)
Described back rest adjustable plate (71) is provided with two through holes, two locking cylinders (72) are arranged on the below of two through holes respectively, the piston rod of described locking cylinder (72) is connected with a locking cylinder lid (73) through described through hole, and the size of described locking cylinder lid is greater than the size of described through hole;
First leading screw (75) is mutually vertical with the second leading screw (78) direction; Second leading screw (78) is parallel with the 3rd leading screw (710) direction; Described first handwheel (74) is connected with the first leading screw (75), first leading screw (75) is arranged on back rest adjustable plate (71) by the first apical axis seat (711), and the end of described first leading screw (75) is connected with jacking block (76); Described second handwheel (77) is connected with the second leading screw (78), second leading screw (78) is arranged on back rest adjustable plate (71) by the second apical axis seat (712), and the end of described second leading screw (78) is connected with jacking block (76); Described jacking block (76) is connected with rear frame member (32), links with rear frame member (32); Described 3rd handwheel (79) is arranged on back rest adjustable plate (71), and be positioned at the left side of the second handwheel (77), 3rd handwheel (79) is connected with the 3rd leading screw (710) by the 3rd handwheel transmission mechanism, and the end of described 3rd leading screw (710) is connected with rear frame member (32);
Described 3rd handwheel transmission mechanism comprises synchronizing wheel (713), gap bridge synchronizing wheel (714), expansion sleeve (715), Timing Belt (716) and lower synchronizing wheel (717), 3rd handwheel (79) is connected with upper synchronizing wheel (713), rotate for driving upper synchronizing wheel (713), described upper synchronizing wheel (713) is arranged on the upper surface of back rest adjustable plate (71) by upper synchronous wheel seat (718), described lower synchronizing wheel (717) is arranged on the lower surface of back rest adjustable plate (71) by lower synchronous wheel seat (719); Upper synchronizing wheel (713), gap bridge synchronizing wheel (714), expansion sleeve (715) and lower synchronizing wheel (717) carry out connection for transmission by Timing Belt (716), and the end of described 3rd leading screw (710) is connected with lower synchronizing wheel (717).
4. the printing element of screen printer according to claim 1, it is characterized in that, described scrape printing cutter angular adjustment locking device comprises the two pieces of arc plates (43) in left and right and two, left and right set lever (44), the two ends of knife rest (52) are provided with the dial (45) in circular arc, described arc plate (43) is fixedly mounted on scrape printing cutter (51), two pieces of arc plates (43) lay respectively at the outside of upper two dials (45) of knife rest (52), two set levers (44) are separately positioned on the two ends of knife rest (52), for locking the position of arc plate (43) and dial (45), described arc plate (43) is provided with arc-shaped slot pass (46), described set lever (44), through described arc-shaped slot pass (46), stretches out outside arc plate (43), the end face of described dial (45) is provided with chute, the end face that described arc plate (43) and dial (45) close on mutually is provided with the slide block (47) mated with described chute, described slide block (47) and arc plate (43) are structure as a whole.
5. the printing element of screen printer according to claim 1, it is characterized in that, described scrape printing cutter apparatus for adjusting position comprises adjustment handwheel (11), hand wheel shaft (12), Connection Block (13), yaw (14) and oil cylinder seat (15), described adjustment handwheel (11) is rotating to be arranged on cutter head case (58), hand wheel shaft (12) is arranged on the inside of adjustment handwheel (11), drives it to move up and down by adjustment handwheel (11); Described Connection Block (13) is fixed on the lower end of hand wheel shaft (12), links with hand wheel shaft (12); Yaw (14) is fixed on Connection Block (13), and be connected with oil cylinder seat (15), oil cylinder (53) is arranged on oil cylinder seat (15), and the piston rod of described oil cylinder (53) is connected with knife rest (52) by oscillating bearing.
6. the printing element of screen printer according to claim 1, it is characterized in that, described scrape printing cutter switching device shifter comprises cam (16), connecting rod (17), two linear axis bearings (18) and linear axis (19), (17) are provided with a pivot with described connecting rod, and described connecting rod (17) is in L-type; One end of described connecting rod (17) abuts with cam (16), and the other end abuts with the bottom face of linear axis (19); Described cam (16) is arranged on the outside of frame (1); Described linear axis (19) is arranged in linear axis bearing (18), and printing cutter head (5) is arranged on the top of linear axis (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393358.0A CN103448357B (en) | 2013-09-02 | 2013-09-02 | Printing unit of screen printing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310393358.0A CN103448357B (en) | 2013-09-02 | 2013-09-02 | Printing unit of screen printing machine |
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| Publication Number | Publication Date |
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| CN103448357A CN103448357A (en) | 2013-12-18 |
| CN103448357B true CN103448357B (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310393358.0A Active CN103448357B (en) | 2013-09-02 | 2013-09-02 | Printing unit of screen printing machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003500B (en) * | 2015-07-17 | 2017-03-22 | 天津长荣印刷设备股份有限公司 | Locking device of upper frame of waste removal tool and working method of locking device |
| TWI675755B (en) * | 2017-08-10 | 2019-11-01 | 東遠精技工業股份有限公司 | Printing device of screen printing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0298911A2 (en) * | 1987-07-06 | 1989-01-11 | Jürg Holderegger | Device for attaching a printing and/or spreading doctor |
| CN201471829U (en) * | 2009-07-21 | 2010-05-19 | 深圳市网印巨星机电设备有限公司 | Screen frame adjusting device of screen printing machine |
| CN202345006U (en) * | 2011-12-12 | 2012-07-25 | 深圳市博研商用设备有限公司 | Screen mechanism and printing machine with same |
| CN202782140U (en) * | 2012-09-11 | 2013-03-13 | 深圳德森精密设备有限公司 | Scraper pressure self-adaption stabilizing device of full-automatic vision printer |
| CN203496428U (en) * | 2013-09-02 | 2014-03-26 | 浙江劲豹机械有限公司 | Printing unit of screen printing machine |
-
2013
- 2013-09-02 CN CN201310393358.0A patent/CN103448357B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0298911A2 (en) * | 1987-07-06 | 1989-01-11 | Jürg Holderegger | Device for attaching a printing and/or spreading doctor |
| CN201471829U (en) * | 2009-07-21 | 2010-05-19 | 深圳市网印巨星机电设备有限公司 | Screen frame adjusting device of screen printing machine |
| CN202345006U (en) * | 2011-12-12 | 2012-07-25 | 深圳市博研商用设备有限公司 | Screen mechanism and printing machine with same |
| CN202782140U (en) * | 2012-09-11 | 2013-03-13 | 深圳德森精密设备有限公司 | Scraper pressure self-adaption stabilizing device of full-automatic vision printer |
| CN203496428U (en) * | 2013-09-02 | 2014-03-26 | 浙江劲豹机械有限公司 | Printing unit of screen printing machine |
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| CN103448357A (en) | 2013-12-18 |
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