CN115782365A

CN115782365A - Flexographic printing machine

Info

Publication number: CN115782365A
Application number: CN202211432094.0A
Authority: CN
Inventors: 赵章辛
Original assignee: Rui'an Xinxin Packaging Machinery Co ltd
Current assignee: Rui'an Xinxin Packaging Machinery Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-14

Abstract

The invention relates to a flexographic printing machine which comprises a fixed rack, wherein a stamping roller is arranged on the fixed rack, a first support is symmetrically and fixedly arranged on the side edge of the fixed rack, a second support is arranged on the first support, the first support is in sliding connection with the second support, a printing plate assembly and an anilox assembly are arranged on one side, close to the fixed rack, of the second support, the anilox assembly is in sliding connection with the second support, an adjusting assembly and an automatic plate-removing piece are arranged on one side, far away from the fixed rack, of the second support, the adjusting assembly and the automatic plate-removing piece are installed on the second support, the first support is in threaded connection with a first screw rod, the anilox assembly is connected with a second screw rod, and the adjusting assembly drives the first screw rod on at least one side or the second screw rod on at least one side to rotate to realize the adjustment of the distance between the stamping roller and the printing plate assembly on at least one side or the distance between the printing plate assembly and the anilox assembly on at least one side; the automatic plate stripping component is used for realizing synchronous movement of the printing plate component and the reticulation component.

Description

Flexographic printing machine

Technical Field

The invention relates to a flexographic printing machine.

Background

Flexographic printing machine in existing market sets up version roller on the support including support, rotation, locates the inking mechanism of support, rotates and sets up in the reticulation roller of support, locates the supporting mechanism of support, inking mechanism is used for providing the china ink material for the reticulation roller, supporting mechanism is used for supporting version roller and drives version roller and is close to or keeps away from the reticulation roller, but has some defects: the distance between the rollers cannot be adjusted, so that the printing pressure is too heavy and too light, and the printing quality is not high; the automatic device is also additionally provided with a complex automatic device, the structure is complex, the plate release distance cannot be strictly controlled, friction is generated between the roller and the roller or between the roller and a printed matter, the roller and the roller are abraded, and the service life of the machine is damaged.

Application number is CN202122527639.3, and the name is a can control flexographic printing machine of printing quality, and this printing machine includes the workstation and sets up the first mounting panel of rectangular channel, the inner wall slidable mounting of rectangular channel has the guide block, the outer wall fixed mounting of guide block has the connecting plate, the inner wall of connecting plate is equipped with the bearing, the inner wall fixed mounting of bearing has the printing roller, the last surface symmetry fixed mounting of connecting plate has the installation piece, the inner wall of installation piece rotates installs the head rod, the inner wall threaded connection of head rod has connecting bolt.

In view of the above-mentioned related technologies, the inventor thinks that the printing press lacks an automatic plate-releasing device, the stamping roller, the printing plate roller and the anilox roller are mutually compressed during printing, and the stamping roller, the printing plate roller and the anilox roller need to be released during plate-releasing, which is currently performed through manual adjustment, so that the plate-releasing distance cannot be strictly controlled, the stability of the stamping force is influenced, the printing quality is unstable, and the efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a flexographic printing machine which can realize the adjustment of the distance between rollers through an adjusting component, is suitable for printing of printed matters with different thicknesses, can realize manual plate release, can realize automatic plate release through an automatic plate release piece, is convenient and quick, avoids the friction between the printed matters and the rollers, improves the printing quality and improves the production efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: a flexographic printing machine comprises a fixed frame, wherein a stamping roller is arranged on the fixed frame, a first support is symmetrically and fixedly arranged on the side edge of the fixed frame, a second support is arranged on the first support, the first support is in sliding connection with the second support, a printing plate assembly and an anilox assembly are arranged on one side, close to the fixed frame, of the second support, the anilox assembly is in sliding connection with the second support, an adjusting assembly and an automatic plate-removing piece are arranged on one side, far away from the fixed frame, of the second support, the adjusting assembly and the automatic plate-removing piece are mounted on the second support, the first support is in threaded connection with a first lead screw, the anilox assembly is connected with a second lead screw, and the adjusting assembly drives the first lead screw on at least one side or the second lead screw on at least one side to rotate so as to achieve adjustment of the distance between the stamping roller and the printing plate assembly on at least one side or adjustment of the distance between the printing plate assembly and the anilox assembly on at least one side; the automatic plate stripping component is used for realizing synchronous movement of the printing plate component and the reticulation component.

Further, the second support includes the diaphragm, be provided with the second slide rail on the diaphragm, printing plate subassembly fixed mounting is on the diaphragm, the reticulation subassembly is installed on the second slide rail through the second slider, and a terminal surface that fixed frame was kept away from to the diaphragm is provided with the first riser, and the first riser is connected with the second riser through the dead lever, install a plurality of gear boxes on the first riser, the gear box is all through guide arm swing joint on the first riser, on one side fixed mounting of automatic plate removal spare is on the terminal surface of gear box towards the second riser.

Furthermore, be provided with first slide rail on the first support, the diaphragm bottom is provided with first slider, and the diaphragm is installed on first slide rail through first slider.

Furthermore, the one end that first lead screw and second lead screw are close to the first riser runs through first montant and installs first gear, first gear is installed in corresponding gear box.

Furthermore, the adjusting part comprises a first adjusting part and a second adjusting part, the first adjusting part is used for driving at least one first lead screw to rotate, the second adjusting part is used for driving at least one second lead screw to rotate, the first adjusting part and the second adjusting part are the same, the first adjusting part and the second adjusting part respectively comprise a second gear which is vertically meshed with the first gear, the second gear is arranged in a corresponding gear box, the second gear is connected with a connecting rod, the connecting rod penetrates out of the gear box and is connected with a rotating rod, two end parts of the rotating rod are respectively fixedly provided with a gear sleeve, a movable sleeve matched with the gear sleeve in a gear sleeve gear matching mode is sleeved on the connecting rod, and at least one connecting rod is connected with the rotating rod through matching of the movable sleeve on the same side edge and the gear sleeve.

Furthermore, the automatic plate removing part comprises a first plate removing part and a second plate removing part, the first plate removing part pulls the transverse plate to move along the first slide rail, the printing plate assembly is driven to move along the length of the first slide rail, and the separation between the printing plate assembly and the embossing roller is realized; the second plate release member pulls the first screw rod to enable the anilox assembly to move along the second slide rail, and the anilox assembly is released from the printing plate assembly.

Further, first take off the version piece including with gear box fixed connection's first extensible member, the telescopic link fixed mounting of first extensible member is on the second riser, and when printing plate subassembly and impression roller throw off, the piston rod drives second riser, gear box toward the motion of second riser direction, realizes that first riser, diaphragm and the printing plate subassembly of setting on the diaphragm remove more than 1mm along first slide rail, gear box and the laminating of first riser.

Further, the second takes off the version and includes the second extensible member with gear box fixed connection, and the telescopic link fixed mounting of second extensible member is on the second riser, and when the reticulation subassembly was thrown off with the printing unit, the second extensible member can be toward the motion of second riser direction, and the piston rod tip is inconsistent with cylinder cavity bottom, drives gear box and reticulation subassembly and removes more than 1mm along the second slide rail, and the gear box separates with first riser.

Further, the first telescopic member and the second telescopic member can be air cylinders or hydraulic cylinders.

Further, the printing plate assembly comprises symmetrically arranged supports, a printing plate roller is connected between the supports, the printing plate roller and the stamping roller are located on the same horizontal plane, the anilox assembly comprises symmetrically arranged supports, an anilox roller is connected between the supports, and the anilox roller and the printing plate roller are located on the same horizontal plane.

The invention has the beneficial effects that:

1. through the arrangement of the first plate-removing part and the second plate-removing part, the printing plate roller and the anilox roller can automatically move along the sliding rail, so that the accurate separation between the printing plate roller and the accurate separation between the printing plate roller and the anilox roller are realized, and the printed matter is prevented from being rubbed by the rollers to cause the damage to the surface of the printed matter.

2. Through first extensible member and the second extensible member that take off in the version and the second can be cylinder or pneumatic cylinder, flexible distance equals the displacement distance between the roller, sets for flexible distance according to actual conditions, can be when printing operating condition, can compress tightly the printed matter between roller and the roller, can realize again when taking off the version that accurate synchronization level between roller and the roller takes off the version.

3. Due to the fact that the thicknesses of the printed matters are not consistent, the first screw rod and the second screw rod can be driven to rotate through rotation of the first adjusting piece and the second adjusting piece, the space between the printing plate assembly and the embossing roller and the space between the printing plate assembly and the reticulate pattern assembly are achieved, and printing of different printed matters is achieved.

4. Manual plate removal can also be achieved through the first adjusting piece and the second adjusting piece.

Drawings

FIG. 1 is a perspective view of an adjustable apparatus of a sleeve-type flexographic printing press;

FIG. 2 is a schematic view of the printing state of the adjustable device of the sleeve-type flexographic printing machine;

FIG. 3 is a schematic diagram of a release state of an adjustable device of a sleeve-type flexographic printing machine;

FIG. 4 is a partial schematic view of FIG. 1;

FIG. 5 is a side view of FIG. 4;

FIG. 6 is an exploded view of section A of FIG. 4;

FIG. 7 is a cross-sectional view of the first and second stripper members of FIG. 2;

FIG. 8 is a cross-sectional view of the first and second stripper members of FIG. 3;

FIG. 9 is a pictorial representation of FIG. 1;

FIG. 10 is a pictorial view of a plate-out piece;

FIG. 11 is a pictorial view of an adjustment assembly.

Reference numerals: 1. fixing the frame; 2. a platen roller; 3. a first bracket; 31. a first slide rail; 4. a second bracket; 41. a transverse plate; 42. a first vertical plate; 43. a second vertical plate; 44. a first slider; 45. a second slide rail; 5. a printing plate assembly; 51. a printing plate roller; 6. a reticulation component; 61. an anilox roll; 62. a second slider; 7. a first lead screw; 8. a second screw rod; 9. a first gear; 10. an adjustment assembly; 101. a second gear; 102. a connecting rod; 103. a movable sleeve; 104. rotating the rod; 105. a gear sleeve; 11. a gear case; 12. a first stripping part; 121. a first telescoping member; 13. a second stripping piece; 131. a second telescoping member; 14. a guide bar; 15. and (6) fixing the rod.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

3 patents are filed on the same day for products related to the scheme, the protection ranges are limited from different angles, actual protection requirements exist, and the related products are processed into real objects, and are specifically shown in figures 9-11.

Referring to fig. 1 to 8, a flexographic printing machine according to this embodiment includes a fixed frame 1, a platen roller 2 is disposed on the fixed frame 1, first brackets 3 are symmetrically and fixedly disposed on side edges of the fixed frame 1, second brackets 4 are disposed on the first brackets 3, the first brackets 3 and the second brackets 4 are slidably connected, a printing plate assembly 5 and an anilox assembly 6 are disposed on one side of the second brackets 4 close to the fixed frame 1, the anilox assembly 6 and the second brackets 4 are slidably connected, an adjusting assembly 10 and an automatic plate-removing member are disposed on one side far from the fixed frame 1, the adjusting assembly 10 and the automatic plate-removing member are mounted on the second brackets 4, the first brackets 3 are in threaded connection with first lead screws 7, the anilox assembly 6 is connected with second lead screws 8, and the adjusting assembly 10 drives at least one first lead screw 7 or at least one second lead screw 8 to rotate to adjust a distance between the platen roller 2 and the printing plate assembly 5 or between the printing plate assembly 5 and the anilox assembly 6; the automatic plate-stripping member is used for realizing synchronous movement of the printing plate assembly 5 and the anilox assembly 6.

On the basis of the above-mentioned embodiment, second support 4 includes diaphragm 41, be provided with second slide rail 45 on diaphragm 41, printing plate subassembly 5 fixed mounting is on diaphragm 41, reticulation subassembly 6 passes through second slider 62 and installs on second slide rail 45, and diaphragm 41 keeps away from a terminal surface of fixed frame 1 and is provided with first riser 42, and first riser 42 is connected with second riser 43 through the dead lever, install a plurality of gear boxes 11 on the first riser 42, gear boxes 11 all through guide arm 14 swing joint on first riser 42, on one side fixed mounting of automatic edition-removing spare is on the terminal surface of gear box 11 towards second riser 43.

On the basis of the above embodiment, a through hole is formed in the first support 3 towards the end surface of the fixed frame 1, a fixing rod is arranged on the fixed frame 1, the fixing rod penetrates through the through hole, a nut is arranged at the end of the fixing rod, a first slide rail 31 is arranged on the first support 3, a first slide block 44 is arranged at the bottom of the transverse plate 41, and the transverse plate 41 is installed on the first slide rail 31 through the first slide block 44.

On the basis of the above embodiment, one end of the first lead screw 7 and one end of the second lead screw 8 close to the first vertical plate 42 penetrate through the first vertical rod and are provided with the first gear 9, and the first gear 9 is arranged in the corresponding gear box 11.

On the basis of the above embodiment, the adjusting assembly 10 includes a first adjusting part and a second adjusting part, the first adjusting part is used for driving the first lead screw 7 on at least one side to rotate, the second adjusting part is used for driving the second lead screw 8 on at least one side to rotate, the first adjusting part and the second adjusting part are the same, the first adjusting part and the second adjusting part both include a second gear 101 vertically meshed with the first gear 9, the second gear 101 is disposed in the corresponding gear box 11, the second gear 101 is connected to the connecting rod 102, the connecting rod 102 penetrates out of the gear box 11 and is connected to the rotating rod 104, gear sleeves 105 are fixedly disposed at both ends of the rotating rod 104, a movable sleeve 103 matched with the gear sleeve 105 in gear is sleeved on the connecting rod 102, and the connecting rod 102 on at least one side is connected to the rotating rod 104 by matching the movable sleeve 103 on the same side with the gear sleeve 105.

On the basis of the above embodiment, the automatic plate removing member includes a first plate removing member 12 and a second plate removing member 13, the first plate removing member 12 pulls the transverse plate 41 to move along the first slide rail 31, so as to drive the printing plate assembly 5 to move along the length of the first slide rail 31, and thus the separation between the printing plate assembly 5 and the impression roller 2 is realized; the second plate removing piece 13 pulls the first screw rod 7 to enable the anilox assembly 6 to move along the second slide rail 45, and therefore the anilox assembly 6 is separated from the printing plate assembly 5.

On the basis of the above embodiment, the first stripping part 12 includes the first extensible member 121 fixedly connected with the gear box 11, the extensible member of the first extensible member 121 is fixedly mounted on the second vertical plate 43, when the printing plate assembly 5 is separated from the platen roller 2, the piston rod drives the second vertical plate 43 and the gear box 11 to move toward the second vertical plate 43, so that the first vertical plate 42, the transverse plate 41 and the printing plate assembly 5 arranged on the transverse plate 41 move by more than 1mm along the first slide rail 31, and the gear box 11 is attached to the first vertical plate 42.

On the basis of the above-mentioned embodiment, the second stripper 13 includes the second extensible member 131 with gear box 11 fixed connection, and the telescopic link fixed mounting of second extensible member 131 is on second riser 43, and when reticulation subassembly 6 and printing unit throw off, second extensible member 131 can be toward second riser 43 direction motion, and the piston rod tip is inconsistent with cylinder chamber bottom, drives gear box 11 and reticulation subassembly 6 and moves more than 1mm along second slide rail 45, and gear box 11 separates with first riser 42.

In the above embodiment, the first telescopic member 121 and the second telescopic member 131 may be air cylinders or hydraulic cylinders.

On the basis of the above embodiment, the printing plate assembly 5 includes symmetrically arranged supports, a printing plate roller 51 is connected between the supports, the printing plate roller 51 and the impression roller 2 are on the same horizontal plane, the anilox assembly 6 includes symmetrically arranged supports, an anilox roller 61 is connected between the supports, and the anilox roller 61 and the printing plate roller 51 are on the same horizontal plane.

The improvement is as follows: as shown in fig. 1 to 8, the printing plate fixing device comprises a fixing frame 1, a stamping roller 2 is arranged on the fixing frame 1, a first support 3 is symmetrically and fixedly arranged on the side of the fixing frame 1, a first slide rail 31 is arranged on the first support 3, a second support 4 is arranged on the first slide rail 31, the second support 4 comprises a transverse plate 41, a printing plate assembly 5 and an anilox assembly 6 are arranged on the transverse plate 41, the printing plate assembly 5 is fixedly arranged on the transverse plate 41, the anilox assembly 6 is movably connected to the transverse plate 41 through a second slide rail 45, a first vertical plate 42 is arranged at the tail end of the transverse plate 41, the first vertical plate 42 is connected to a second vertical plate 43 through a fixing rod, a first stripping piece 12 and a second stripping piece 13 are arranged between the first vertical plate 42 and the second vertical plate 43, a gear box 11 is arranged on the first vertical plate 42, the gear box 11 is movably connected to the first vertical plate 42 through a guide rod 14, a through hole is arranged on the end surface of the first support 3 facing the fixing frame 1, a fixing rod is arranged on the fixing frame 1, the fixing rod penetrates through the through hole, the end portion of the fixing rod, the printing plate assembly 5 comprises symmetrically arranged supports, a anilox roller 51, and the supports are symmetrically arranged between the anilox roller 61;

the first support 3 is connected with a first screw rod 7, one end of the first screw rod 7 is in threaded connection with the first support 3, a second screw rod 8 is in threaded connection with a support, a second sliding block 62 is fixedly mounted at the bottom of the support, the second sliding block 62 is arranged on a second sliding rail 45, the second sliding rail 45 is arranged on a transverse plate 41, a first vertical plate 42 and a second vertical plate 43 are arranged at one end, far away from the fixed rack 1, of the transverse plate 41, the first vertical plate 42 is connected with the second vertical plate 43 through a fixing rod, a gear box 11 is arranged between the first vertical plate 42 and the second vertical plate 43, the gear box 11 is arranged on the first vertical plate 42 through a guide rod 14, one end of the guide rod 14 is fixed with the gear box 11, the other end of the guide rod is movably connected with the first vertical plate 42, a first sliding block 44 is arranged at the bottom of the transverse plate 41, the first sliding block 44 is slidably connected to the first sliding rail 31, a first gear 9 is arranged at one end, close to the first screw rod 7 and one end, close to the first vertical plate 42, of the second screw rod 8, and a first gear 9 is arranged in the gear box 11, and the first screw rod 7 and the second screw rod 8 are fixed in the gear box 11;

the distance between the printing plate roller 51 and the stamping roller 2 is adjusted, by rotating a first adjusting piece, the first adjusting piece comprises a second gear 101 meshed with a first gear 9, the second gear 101 is arranged in a gear box 11 through a connecting rod 102, the connecting rod 102 penetrates out of the gear box 11 and is connected with a rotating rod 104, the connecting rod 102 is a hexagonal rod, a movable sleeve 103 is sleeved on the connecting rod 102, gear sleeves 105 are fixedly arranged on two sides of the rotating rod 104, the movable sleeve 103 is meshed and matched with the gear sleeves 105, when the movable sleeve 103 is matched with the gear sleeves 105, the connecting rod 102 and the rotating rod 104 are driven to synchronously rotate, so that the second gear 101 synchronously rotates and further drives the first gear 9 to rotate, and the first screw rod 7 rotates, because the first support 3 is fixed, the first screw rod 7 can move, the first screw rod 7 drives the second support 4 to move along the first sliding rail 31, the position change of the printing plate assembly 5 on at least one side on the first sliding rail 31 is realized, and the distance between the printing plate roller 51 and the stamping roller 2 is changed; the second adjusting part has the same structure as the first adjusting part, the distance between the printing plate roller 51 and the anilox roller 61 is to be adjusted, the rotating rod 104 on the second adjusting part is rotated to realize the rotation of the second screw rod 8, the anilox assembly 6 moves along the length direction of the second slide rail 45 when the second screw rod 8 rotates to realize the change of the position of the anilox assembly 6 on at least one side on the second slide rail 45, further realize the change of the distance between the printing plate roller 51 and the anilox roller 61, the change of the distance between the roller on one side or two sides is realized through the arrangement of the movable sleeve 103 and the gear sleeve 105, and through the arrangement of the first adjusting part and the second adjusting part, the position change of the transverse plate 41 on the first slide rail 31 and the position change of the anilox assembly 6 on the second slide rail 45 can be realized, and the manual plate removal can be realized;

or the automatic plate removing is realized through a first plate removing part 12 and a second plate removing part 13, the first plate removing part 12 comprises a first expansion part 121 fixedly connected with the end face facing to a second vertical plate 43, the first expansion part 121 is an air cylinder or a hydraulic cylinder, a piston rod of the first air cylinder is fixedly installed on the second vertical plate 43, the first plate removing part 12 realizes the separation of the printing plate roller 51 and the embossing roller 2, when the separation is not realized, the gear box 11 is separated from the first vertical plate 42, when the first air cylinder is started, the piston rod is fixed on the second vertical plate 43, the piston rod drives the second vertical plate 43 to extend towards the second vertical plate 43, the second vertical plate 43 drives the first vertical plate 42, and the first vertical plate 42 drives the transverse plate 41, the transverse plate 41 drives the printing plate roller 51 to move along the first sliding rail 31, the gear box 11 is attached to the first vertical plate 42, the second plate-removing part 13 and the first plate-removing part 12 are identical in structure, the second plate-removing part 13 realizes the separation of the anilox roller 61 and the printing plate roller 51, when the second plate-removing part is not separated, the other gear box 11 is attached to the first vertical plate 42, when the second cylinder is started, because the piston rod is fixed on the second vertical rod, the piston rod cannot move and can become a cylinder body to move towards the second vertical plate 43, the cylinder body drives the gear box 11, the gear box 11 drives the second lead screw 8, the second lead screw 8 drives the anilox roller 61 to move along the second sliding rail 45, and the gear box 11 is separated from the first vertical plate 42; the first plate removing part 12 and the second plate removing part 13 synchronously move, the movement of the printing plate roller 51 and the anilox roller 61 is realized, the operation is convenient and quick, the moving distance of the piston rod is the distance between the anilox roller 61 and the printing plate roller 51, and the distance between the printing plate roller 51 and the stamping roller 2, and the hydraulic cylinder can replace an air cylinder to realize plate removing.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a flexographic printing machine, includes fixed frame (1), be provided with impression roller (2) on fixed frame (1), its characterized in that: the side edge of the fixed rack (1) is symmetrically and fixedly provided with a first support (3), a second support (4) is arranged on the first support (3), the first support (3) is in sliding connection with the second support (4), one side, close to the fixed rack (1), of the second support (4) is provided with a printing plate assembly (5) and a reticulate assembly (6), the reticulate assembly (6) is in sliding connection with the second support (4), one side, far away from the fixed rack (1), of the second support is provided with an adjusting assembly (10) and an automatic plate-removing piece, the adjusting assembly (10) and the automatic plate-removing piece are installed on the second support (4), the first support (3) is in threaded connection with a first screw rod (7), the reticulate assembly (6) is connected with a second screw rod (8), and the adjusting assembly (10) drives the first screw rod (7) on at least one side or the second screw rod (8) on at least one side to rotate to realize the adjustment of the distance between the printing roller (2) on at least one side and the printing plate assembly (5) or the distance between the printing plate assembly (5) and the reticulate assembly (6); the automatic plate stripping component is used for realizing synchronous movement of the printing plate component (5) and the anilox component (6).

2. The flexographic printing press according to claim 1, characterized in that: second support (4) are including diaphragm (41), be provided with second slide rail (45) on diaphragm (41), printing plate subassembly (5) fixed mounting is on diaphragm (41), reticulation subassembly (6) are installed on second slide rail (45) through second slider (62), and a terminal surface that fixed frame (1) was kept away from in diaphragm (41) is provided with riser (42), and riser (42) are connected with second riser (43) through the dead lever, install a plurality of gear boxes (11) on riser (42), gear box (11) all through guide arm (14) swing joint on riser (42), on one side fixed mounting of automatic edition piece is on the terminal surface of gear box (11) towards second riser (43).

3. The flexographic printing press according to claim 2, characterized in that: the first support (3) is provided with a first sliding rail (31), the bottom of the transverse plate (41) is provided with a first sliding block (44), and the transverse plate (41) is installed on the first sliding rail (31) through the first sliding block (44).

4. The flexographic printing press according to claim 3, wherein: one end of the first screw rod (7) and one end of the second screw rod (8) close to the first vertical plate (42) penetrate through the first vertical rod and are provided with first gears (9), and the first gears (9) are arranged in corresponding gear boxes (11).

5. The flexographic printing press according to claim 4, characterized in that: adjusting part (10) include first regulating part and second regulating part, first regulating part is used for driving at least first lead screw (7) on one side and rotates, the second regulating part is used for driving at least second lead screw (8) on one side and rotates, first regulating part and second regulating part are the same, first regulating part and second regulating part all include with first gear (9) perpendicular meshing's second gear (101), second gear (101) all set up in corresponding gear box (11), connecting rod (102) are all connected to second gear (101), gear box (11) are worn out to connecting rod (102) and are connected with dwang (104), dwang (104) both ends all are fixed and are provided with gear sleeve (105), the cover is equipped with movable sleeve (103) with gear sleeve (105) gear adaptation on connecting rod (102), through the matching of movable sleeve (103) with gear sleeve (105) with, realize that connecting rod (102) on at least one side is connected with dwang (104) and rotates in step.

6. The flexographic printing press according to claim 4 or 5, characterized in that: the automatic plate removing piece comprises a first plate removing piece (12) and a second plate removing piece (13), the first plate removing piece (12) pulls the transverse plate (41) to move along the first sliding rail (31) to drive the printing plate assembly (5) to move along the length of the first sliding rail (31), and separation between the printing plate assembly (5) and the embossing roller (2) is achieved; the second stripping piece (13) pulls the first screw rod (7) to enable the screen assembly (6) to move along the second sliding rail (45), and the screen assembly (6) is separated from the printing plate assembly (5).

7. The flexographic printing press according to claim 6, wherein: first version piece (12) of taking off includes first extensible member (121) with gear box (11) fixed connection, the telescopic link fixed mounting of first extensible member (121) is on second riser (43), and when printing plate subassembly (5) and impression roller (2) throw off, the piston rod drives second riser (43), gear box (11) toward second riser (43) direction motion, realizes that first riser (42), diaphragm (41) and printing plate subassembly (5) of setting on diaphragm (41) remove more than 1mm along first slide rail (31), gear box (11) and first riser (42) laminating.

8. The flexographic printing press according to claim 7, wherein: the second takes off version (13) including with gear box (11) fixed connection's second extensible member (131), the telescopic link fixed mounting of second extensible member (131) is on second riser (43), when reticulation subassembly (6) and printing subassembly throw off, second extensible member (131) can be toward second riser (43) direction motion, the piston rod tip is inconsistent with cylinder chamber bottom, drive gear box (11) and reticulation subassembly (6) and remove more than 1mm along second slide rail (45), gear box (11) and first riser (42) separation.

9. The flexographic printing press according to claim 8, wherein: the first telescopic part (121) and the second telescopic part (131) can be air cylinders or hydraulic cylinders.

10. The flexographic printing press according to claim 9, wherein: printing plate subassembly (5) are connected with galley roller (51) including the support that the symmetry set up between the support, galley roller (51) are in on the same horizontal plane with impression roller (2), reticulation subassembly (6) are connected with reticulation roller (61) including the support that the symmetry set up between the support, reticulation roller (61) are in on the same horizontal plane with galley roller (51).