CN203496425U - Full-automatic roller-type screen printing machine - Google Patents

Abstract

The utility model provides a full-automatic roller-type screen printing machine which comprises a conveying unit, a printing unit and a paper discharge unit; the printing unit comprises a frame, and a screen frame, a screen rack, a roller and a printing scraper head which are arranged on the frame; a screen adjusting and locking device is arranged on the rear splint of the screen rack; screen compression devices are arranged in the four corners of the screen rack; the printing scraper head comprises a printing scraper, a scraper frame, a scraper head box, a printing scraper pressure preserving device, a printing scraper angle adjusting and locking device, a printing scraper position adjusting device and a printing scraper switching device. According to the full-automatic roller-type screen printing machine, due to the adoption of the sloping bench-type screen rack, the screen rack only needs to be lifted obliquely by hand when the screen cloth is cleaned, and an air spring supports the screen rack, so that the cleaning of the screen cloth is simpler and more convenient. Meanwhile, a closed oil way is formed through a reducing valve, an oil storage seat, an oil cylinder, an oil valve seat and the like, and a control air way is formed by an external air source and the reducing valve to control the scraper frame, so that the stability of the scraper frame is greatly improved.

Description

Full-automatic drum type screen printer

Technical field

The utility model belongs to printing equipment field, is specifically related to a kind of full-automatic drum type 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 is made forme, be contained on printing machine, then by artificial or printing machine, China ink is coated on to the place that has writings and image on forme, be transferred to directly or indirectly again paper or other stocks (as textile, metallic plate, plastic cement, leather, plank, glass and pottery) upper, thereby copy the printed matter identical with forme.The utility model of printing machine and development, have important function for human civilization and cultural propagation.

Printing machine, in printing process, has lifts phenomenon, has added after pressurizer, can effectively prevent the generation of phenomenon here, makes 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.

Utility model content

The utility model, for above-mentioned the deficiencies in the prior art, provides a kind of printing effect full-automatic drum type screen printer better, more convenient to operate.

The utility model is achieved by the following technical solution:

A full-automatic drum type screen printer, comprises supply unit, printing element and paper delivery unit, and described printing element comprises frame, and is arranged on half tone frame, screen frame, cylinder and printing cutter head in frame, it is characterized in that:

Described screen frame comprises by front setting a roof beam in place, rear frame member, the half tone support that sets a roof beam in place in a left side and the right splicing of setting a roof beam in place forms, and the front supporting plate of the inner side of setting a roof beam in place before being arranged on and be arranged on the rear supporting plate of rear frame member inner side, is provided with half tone adjustment locking device in described rear supporting plate; Four angles of described screen frame are provided with half tone hold down gag;

Described half tone frame comprises the half tone framework being comprised of header board, rear plate, left plate and right plate splicing, and described half tone stent support is arranged on the inside of half tone framework; The bottom of left plate and right plate is provided with the tooth bar matching 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 by hinge respectively, 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 in a left side, and the other end is fixed on the medial surface of left plate;

Described printing cutter head comprises scrape printing cutter, is arranged on the knife rest on scrape printing cutter and is arranged on the cutter head case 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, is provided with oil-in and oil-out on cylinder body; 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, on 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.

Further setting of the present utility model 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 the transverse arm that connects 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, the second end of two sub-arms of interlock is arranged on respectively the middle part of clamping arm 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.

Further setting of the present utility model is, described half tone is adjusted locking device and is comprised that back rest adjustable plate, two locking cylinders, two locking cylinders cover the first handwheel, 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 screw

On described back rest adjustable plate, be provided with two through holes, two locking cylinders are arranged on respectively the below of two through holes, 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;

The first leading screw is mutually vertical with the second leading screw direction; The second leading screw is parallel with the 3rd leading screw direction; Described the 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 the first leading screw is connected with jacking block; Described the 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 the second leading screw is connected with jacking block; Described jacking block is connected with rear frame member, links with rear frame member; Described the 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 the 3rd leading screw is connected with rear frame member;

Described the 3rd handwheel transmission mechanism comprises synchronizing wheel, gap bridge synchronizing wheel, expansion sleeve, Timing Belt and lower synchronizing wheel, the 3rd handwheel is connected with upper synchronizing wheel, be used for driving synchronizing wheel to rotate, 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 the 3rd leading screw is connected with lower synchronizing wheel.

Further setting of the present utility model is, described scrape printing cutter angular adjustment locking device comprises two of left and right arc plate and two of left and right set lever, the two ends of knife rest are provided with the dial that is circular arc, described arc plate is fixedly mounted on scrape printing cutter, two 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; On described arc plate, be provided with arc-shaped slot pass, described set lever, through described arc-shaped slot pass, stretches out outside arc plate; On the end face of described dial, be provided with chute, on the end face that described arc plate closes on mutually with dial, be provided with the slide block mating with described chute; Described slide block and arc plate are structure as a whole.

Further setting of the present utility model is, described scrape printing cutter apparatus for adjusting position comprises adjusts handwheel, hand wheel shaft, Connection Block, yaw and oil cylinder seat, described adjustment handwheel is rotating to be arranged on cutter head case, hand wheel shaft is arranged on the inside of adjusting handwheel, by adjusting handwheel, drives it to move up and down; 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.

Further setting of the present utility model is, described scrape printing cutter switching device shifter comprises cam, connecting rod, two linear axis bearings and linear axis, is provided with a pivot on described connecting rod, and described connecting rod is L-type; One end of described connecting rod and cam butt, the bottom face butt of the other end and 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.

Full-automatic drum type screen printer described in the utility model has following beneficial effect:

1, compare with traditional screen frame of can only level pulling out, the utility model by arranging air spring between screen frame and half tone frame, when making to clean screen cloth, only need to lift screen frame is oblique with hand, air spring will support screen frame, and then it is more simple and convenient to make to clean screen cloth.

2, compare with traditional pressurizer, the utility model forms a closing oil path by pressure-reducing valve, oil storage seat, oil cylinder and fuel tap seat etc., and external air source and pressure-reducing valve composition one control gas circuit, control knife rest, the stability of knife rest is promoted greatly, thereby also promoted the stability of scrape printing cutter.

3, compare with traditional employing half tone hold down gag manual or common cylinder, the utility model, by the cooperation of cylinder, actuation arm, transmission arm, clamping arm and pressure head, has formed a cylinder clamping device, has realized 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 more accurate, to operator, brings a lot of convenience.

4, adjust locking device with traditional half tone and compare, the utility model has been realized adjustment by three handwheels, rotates first-hand wheel drive the first screw mandrel, carries out left and right adjustment; Rotation second-hand wheel drive the second screw mandrel, carries out adjusting before and after right side; Rotate the 3rd handwheel, through upper synchronizing wheel, Timing Belt, gap bridge synchronizing wheel, expansion sleeve, lower synchronizing wheel, drive the transmission of the 3rd screw mandrel, carry out adjustment before and after left side.This half tone is adjusted locking device and only need just can be adjusted at fore side, operates very simple.

5, adjusting locking device with traditional half tone compares, the utility model drives by locking cylinder that locking cylinder lid is drop-down kills back rest adjustable plate, 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, and rear supporting plate is fixed extremely, thus printing screen plate just can changing position yet with cylinder, directly lock, operate very simply, can significantly improve operating efficiency.

6, adjusting locking device with traditional scraper angle compares, the utility model is simple in structure, easy to operate, the set lever of both sides need only manually come loose, swing left and right arc plate, on the dial between left and right arc plate and knife rest, find after desirable angle, lock again the set lever of both sides, make the operation of scraper angle adjustment and locking simpler and easy.

7, compare with traditional scrape printing cutter apparatus for adjusting position, by adjusting handwheel, drive hand wheel shaft, 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 adjust handwheel by adjusting, the upper-lower position that just can carry out scrape printing cutter regulates; This scrape printing cutter apparatus for adjusting position is simple in structure, easy to operate, can significantly improve operating efficiency.

8, compare with traditional scrape printing cutter switching device shifter, the utility model, by the circular motion of cam, drive moving up and down of linear axis, thereby the scrape printing cutter and the ink distribution cutter that make to print on cutter head replaces 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 full-automatic drum type screen printer;

Fig. 2 is the structure chart of printing element;

Fig. 3 is the structure chart of half tone frame and screen frame;

Fig. 4 is the structure chart of half tone hold down gag;

Fig. 5 is the front view of half tone position regulator;

Fig. 6 is the top view of half tone position regulator;

Fig. 7 is the structure chart of printing cutter head;

Fig. 8 is the structure chart of scrape printing cutter pressurizer;

Fig. 9 is the structure chart of scrape printing cutter angular adjustment locking device;

Figure 10 is the structure chart of scrape printing cutter apparatus for adjusting position;

Figure 11 is the structure chart of scrape printing cutter switching device shifter.

The specific embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.

As shown in Fig. 1-11, the utility model provides a kind of full-automatic drum type screen printer, supply unit 01, printing element 02 and paper delivery unit 03, described printing element 02 comprises frame 1, and is arranged on half tone frame 2, screen frame 3, cylinder 4 and printing cutter head 5 in frame 1.

Described screen frame 3 comprises by front setting a roof beam in place 31, rear frame member 32, a left side are set a roof beam in place 33 and the half tone support that forms of right 34 splicings of setting a roof beam in place, and the front supporting plate 35 of 31 inner sides of setting a roof beam in place before being arranged on and the rear supporting plate 36 that is arranged on rear frame member 32 inner sides, in described rear supporting plate 36, be provided with half tone and adjust locking device 7; Four angles of described screen frame are provided with half tone hold down gag 6;

Described half tone frame 2 comprises the half tone framework being comprised of header board 21, rear plate 22, left plate 23 and right plate 24 splicings, and described half tone stent support is arranged on the inside of half tone framework; The bottom of left plate 23 and right plate 24 is provided with the tooth bar matching with the gear at cylinder 4 two ends, a described left side set a roof beam in place 33 and right one end of 34 of setting a roof beam in place by hinge, be arranged on left plate 23 and right plate 24 respectively, set a roof beam in place and between 33, are provided with air spring 25 in left plate 23 and a left side; One end of described air spring 25 is fixed on set a roof beam in place 33 lateral surface of a left side, and 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.In the time of need to cleaning screen cloth, only need to lift screen frame 3 is oblique with hand, air spring 25 will support screen frame 3, and then it is more simple and convenient to make to clean screen cloth.

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 the cutter head case 58 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, is provided with oil-in and oil-out on cylinder body; 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, fuel tap seat 54 and oil storage seat 55 are all fixedly installed on cutter head case 58 inside, described oil storage seat 55 is connected with external air source by gas piping, is provided with pressure-reducing valve 56 on described gas piping, 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 externally source of the gas is not ventilated, oil cylinder 53 cutter setting frames 52 only have very little active force, and knife rest 52 is swingable; When external air source is ventilated, oil cylinder 53 cutter setting frames 52 apply active force, and knife rest 52 is compressed downwards, thereby 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; The cylinder body of described cylinder 61 and two gripper shoes 64 are installed on fixed head 62, the first end of described clamping arm 66 is fastenedly connected with pressure head 68 by bolt 67, the 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 the transverse arm that connects 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 fixing with piston rod 69, and the second end of two sub-arms of interlock is arranged on respectively the middle part of clamping arm 66 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 the compression realizing 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 cylinder 61 cylinder body direction motions, and actuation arm 63 is lifted clamping arm 66.

Described half tone is adjusted locking device 7 and is comprised back rest adjustable plate 71, two locking cylinders 72, two locking cylinder lid the 73, first handwheels 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

On described back rest adjustable plate 71, be provided with two through holes, two locking cylinders 72 are arranged on respectively the below of two through holes, 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;

The first leading screw 75 is mutually vertical with the second leading screw 78 directions; The second leading screw 78 is parallel with the 3rd leading screw 710 directions; Described the 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 the first leading screw 75 is connected with jacking block 76; Described the 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 the second leading screw 78 is connected with jacking block 76; Described jacking block 76 is connected with rear frame member 32, with rear frame member 32 interlocks; Described the 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 the 3rd leading screw 710 is connected with rear frame member 32;

Described the 3rd handwheel transmission mechanism comprises synchronizing wheel 713, gap bridge synchronizing wheel 714, expansion sleeve 715, Timing Belt 716 and lower synchronizing wheel 717, the 3rd handwheel 79 is connected with upper synchronizing wheel 713, be used for driving synchronizing wheel 713 to rotate, 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 the 3rd leading screw 710 is connected with lower synchronizing wheel 717.

The adjustment process that above-mentioned half tone is adjusted locking device is:

Rotate the first handwheel 74 and drive the first screw mandrel 75, the first screw mandrels 75 to drive jacking block 76 motions, and then drive rear frame member 32 motions, realize position, the left and right adjustment of printing screen plate;

Rotate the second handwheel 77 and drive the second screw mandrel 78, the second screw mandrels 78 to drive jacking block 76 motions, and then drive rear frame member 32 motions, carry out the front and back adjustment on printing screen plate right side;

Rotate the 3rd handwheel 79, through upper synchronizing wheel 713, Timing Belt 716, gap bridge synchronizing wheel 714, expansion sleeve 715 and lower synchronizing wheel 717, drive the 3rd screw mandrel 710 motions, and then drive rear frame member 32 motions, carry out the front and back in printing screen plate left side and adjust.

The locking process that above-mentioned half tone is adjusted locking device is:

Adopt the first handwheel 74, the second handwheel 77 and the 3rd handwheel 79 that printing screen plate is adjusted to exact position, afterwards, locking cylinder 72 drives locking cylinders to cover 73 and drop-down back rest adjustable plate 71 is killed, 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, and rear supporting plate 36 is fixed extremely, so printing screen plate just can changing position yet.

Described scrape printing cutter angular adjustment locking device comprises two of left and right arc plate 43 and two of left and right set lever 44, the two ends of knife rest 52 are provided with the dial 45 that is circular arc, described arc plate 43 is fixedly mounted on scrape printing cutter 51, two 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; On described arc plate 43, be provided with arc-shaped slot pass 46, described set lever 44, through described arc-shaped slot pass 46, stretches out outside arc plate 43; After lock arc plate 43 and the position of dial 45, scrape printing cutter 51 cannot be adjusted; When needs are adjusted, unclamp set lever 44, arc plate 43 can relatively move with dial 45, swing two arc plates 43 in left and right, scrape printing cutter 51 is adjusted to after desirable angle, then locked the set lever 44 of both sides, make the angle adjustment of scrape printing cutter 51 and the operation of locking simpler and easy.In order to make the motion of arc plate 3 more flexibly reliable, on the end face of described dial 45, be provided with chute, on the end face that described arc plate 43 closes on mutually with dial 45, be provided with the slide block 47 mating with described chute.Described slide block 47 is structure as a whole with arc plate 43, is the boss arranging on arc plate 43.

Described scrape printing cutter apparatus for adjusting position comprises adjusts 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 adjusting handwheel 11, by adjusting handwheel 11, drives it to move up and down; Described Connection Block 13 is fixed on the lower end of hand wheel shaft 12, with hand wheel shaft 12 interlocks; 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, on described connecting rod 17, is provided with a pivot, and described connecting rod 17 is L-type; One end of described connecting rod 17 and cam 16 butts, the bottom face butt of the other end and 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, thereby the scrape printing cutter and the ink distribution cutter that make to print on cutter head 5 replace reciprocating action.

It is apparent to one skilled in the art that the utility model can be changed into various ways, and such change is not thought and departed from scope of the present utility model.All so apparent modifications of the technical staff to described field, within being included in the scope of this claim.

Claims (6)

1. a full-automatic drum type screen printer, comprise supply unit (01), printing element (02) and paper delivery unit (03), described printing element (02) comprises frame (1), and be arranged on half tone frame (2), screen frame (3), cylinder (4) and the printing cutter head (5) in frame (1), it is characterized in that:

Described screen frame (3) comprises by front set a roof beam in place (31), rear frame member (32), a left side sets a roof beam in place (33) and the right side half tone support that forms of (34) splicing of setting a roof beam in place, and the front supporting plate (35) of (31) inner side of setting a roof beam in place before being arranged on and be arranged on the rear supporting plate (36) of rear frame member (32) inner side, in described rear supporting plate (36), be 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 half tone frame (2) comprises the half tone framework being comprised of header board (21), rear plate (22), left plate (23) and right plate (24) splicing, and described half tone stent support is arranged on the inside of half tone framework; The bottom of left plate (23) and right plate (24) is provided with the tooth bar matching with the gear at cylinder (4) two ends, it is upper that 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) by hinge respectively, sets a roof beam in place and between (33), be provided with air spring (25) in left plate (23) and a left side; One end of described air spring (25) is fixed on the set a roof beam in place lateral surface of (33) of a left side, and the other end is fixed on the medial surface of left plate (23);

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 the cutter head case (58) 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, is provided with oil-in and oil-out on cylinder body; 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), fuel tap seat (54) and oil storage seat (55) are all fixedly installed on cutter head case (58) inside, described oil storage seat (55) is connected with external air source by gas piping, on described gas piping, be 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. full-automatic drum type 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 head (68);

The cylinder body of described cylinder (61) and two gripper shoes (64) are installed on fixed head (62), the first end of described clamping arm (66) is fastenedly connected with pressure head (68) by bolt (67), it is upper that the second end of clamping arm (66) is arranged on two gripper shoes (64) by rotating shaft, and be positioned 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)) comprise two sub-arms of interlock, and the transverse arm that connects 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 fixing with piston rod (69), and the second end of two sub-arms of interlock is arranged on respectively the middle part of clamping arm (66) by rotating shaft; Transverse arm is pressed on the top of clamping arm (66), and the first end of described clamping arm (66) is provided with kidney-shaped mounting groove, and it is upper that 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. full-automatic drum type screen printer according to claim 1, it is characterized in that, described half tone is adjusted locking device (7) and is comprised back rest adjustable plate (71), two locking cylinders (72), two locking cylinder lid (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)

On described back rest adjustable plate (71), be provided with two through holes, two locking cylinders (72) are arranged on respectively the below of two through holes, the piston rod of described locking cylinder (72) covers (73) through described through hole with a locking cylinder and is connected, and the size of described locking cylinder lid is greater than the size of described through hole;

The first leading screw (75) is mutually vertical with the second leading screw (78) direction; The second leading screw (78) is parallel with the 3rd leading screw (710) direction; Described the first handwheel (74) is connected with the first leading screw (75), and it is upper that 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 the first leading screw (75) is connected with jacking block (76); Described the second handwheel (77) is connected with the second leading screw (78), and it is upper that 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 the 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 the 3rd handwheel (79) is arranged on back rest adjustable plate (71), and be positioned at the left side of the second handwheel (77), the 3rd handwheel (79) is connected with the 3rd leading screw (710) by the 3rd handwheel transmission mechanism, and the end of described the 3rd leading screw (710) is connected with rear frame member (32);

Described the 3rd handwheel transmission mechanism comprises synchronizing wheel (713), gap bridge synchronizing wheel (714), expansion sleeve (715), Timing Belt (716) and lower synchronizing wheel (717), the 3rd handwheel (79) is connected with upper synchronizing wheel (713), be used for driving synchronizing wheel (713) to rotate, 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 the 3rd leading screw (710) is connected with lower synchronizing wheel (717).

4. full-automatic drum type screen printer according to claim 1, it is characterized in that, described scrape printing cutter angular adjustment locking device comprises left and right two arc plates (43) and two set levers in left and right (44), the two ends of knife rest (52) are provided with the dial (45) that is circular arc, described arc plate (43) is fixedly mounted on scrape printing cutter (51), two arc plates (43) lay respectively at the outside of upper two dials of knife rest (52) (45), two set levers (44) are separately positioned on the two ends of knife rest (52), be used for locking the position of arc plate (43) and dial (45), on described arc plate (43), be provided with arc-shaped slot pass (46), described set lever (44), through described arc-shaped slot pass (46), stretches out outside arc plate (43), on the end face of described dial (45), be provided with chute, on the end face that described arc plate (43) closes on mutually with dial (45), be provided with the slide block (47) mating with described chute, described slide block (47) is structure as a whole with arc plate (43).

5. full-automatic drum type screen printer according to claim 1, it is characterized in that, described scrape printing cutter apparatus for adjusting position comprises adjusts 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 adjusting handwheel (11), by adjusting handwheel (11), drives it to move up and down; Described Connection Block (13) is fixed on the lower end of hand wheel shaft (12), links with hand wheel shaft (12); It is upper that yaw (14) is fixed on Connection Block (13), and be connected with oil cylinder seat (15), and oil cylinder (53) is arranged on oil cylinder seat (15) and goes up, the piston rod of described oil cylinder (53) by oscillating bearing with scrape knife rest (52) and be connected.

6. full-automatic drum type 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), described connecting rod is provided with a pivot on (17), and described connecting rod (17) is L-type; One end of described connecting rod (17) and cam (16) butt, the bottom face butt of the other end and linear axis (19); Described cam (16) is arranged on the outside of frame (1); It is upper that described linear axis (19) is arranged on linear axis bearing (18), and printing cutter head (5) is arranged on the top of linear axis (19).

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