CN111591012B

CN111591012B - Multifunctional offset press

Info

Publication number: CN111591012B
Application number: CN202010514250.2A
Authority: CN
Inventors: 肖钰华
Original assignee: Yiwu Kahua Printing Co ltd
Current assignee: Yiwu Kahua Printing Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-06-11
Anticipated expiration: 2040-06-08
Also published as: CN111591012A

Abstract

The invention relates to an offset press, in particular to a multifunctional offset press, which comprises a cross beam, a vertical frame, a stop lever, a limiting lever, a fixed shaft, a rubber roller, a gear I and a gear II. The equal fixedly connected with in both ends erects the frame around the crossbeam downside, the equal fixedly connected with fixed axle in both sides around the rubber gyro wheel, two fixed axles rotate respectively and connect in the lower part that two erect the frame, are located fixedly connected with pin on the perpendicular frame of front side, are located the fixed epaxial fixedly connected with restriction pole of front side, are located fixedly connected with gear I on the fixed axle of rear side, are located to be provided with on the perpendicular frame of rear side through motor drive's gear II, gear II meshes the transmission with gear I.

Description

Multifunctional offset press

Technical Field

The invention relates to an offset press, in particular to a multifunctional offset press.

Background

The utility model provides a four-color offset press with protector, application number CN201920313828.0 discloses a four-color offset press with protector, this utility model provides a four-color offset press with protector. The four-color offset press with the protection device comprises a fixed base; the offset printing machine body is fixedly arranged at the top of the fixed base; the fixed cavity is formed in the offset printing machine body; the mounting hole is formed in the inner wall of one side of the fixing cavity; the heat dissipation fan is fixedly arranged in the mounting hole; the filter plate is fixedly arranged on one side of the offset printing machine body and is matched with the mounting hole; and the two screw rods are fixedly arranged on the inner wall of one side, close to the filter plate, of the fixed cavity and are respectively positioned above and below the mounting hole. The utility model discloses a pair of four-color offset press with protector has good radiating effect, has dustproof and waterproof's advantage moreover. However, the patent does not limit the rotation of the rubber roller.

Disclosure of Invention

The invention provides a multifunctional offset press which has the beneficial effects that the rotation of a rubber roller can be limited, and the occurrence of repeated printing caused by overlarge rotation angle of the rubber roller is avoided.

The invention relates to an offset press, in particular to a multifunctional offset press, which comprises a cross beam, a vertical frame, a stop lever, a limiting lever, a fixed shaft, a rubber roller, a gear I and a gear II.

The equal fixedly connected with in both ends erects the frame around the crossbeam downside, the equal fixedly connected with fixed axle in both sides around the rubber gyro wheel, two fixed axles rotate respectively and connect in the lower part that two erect the frame, are located fixedly connected with pin on the perpendicular frame of front side, are located the fixed epaxial fixedly connected with restriction pole of front side, are located fixedly connected with gear I on the fixed axle of rear side, are located to be provided with on the perpendicular frame of rear side through motor drive's gear II, gear II meshes the transmission with gear I.

The multifunctional offset press further comprises a circular ring, a front and back moving rod and an electric push rod II, wherein the two vertical frames are provided with the front and back moving rod in a sliding connection mode in the front and back direction, the inner ends of the two front and back moving rods are fixedly connected with the circular ring, the two circular rings and the rubber idler wheels are coaxially arranged, the outer sides of the two vertical frames are fixedly connected with the electric push rod II, and the movable ends of the two electric push rod II are fixedly connected with the outer ends of the two front and back moving rods respectively.

Multifunctional offset press still includes electric putter I, slide, upstand pole, lift post and backing pin, sliding connection has the slide on the crossbeam, the upside fixedly connected with electric putter I of crossbeam, electric putter I's expansion end fixed connection is on the slide, the upper end fixedly connected with upstand pole of slide, the vertical sliding connection in the lower part of lift post is on the upstand pole, the upper end fixedly connected with backing pin of upstand pole, compression spring has cup jointed on the upstand pole, compression spring is located between slide and the lift post.

The multifunctional offset press also comprises an inclined arm and an arc-shaped wiping piece, wherein the inclined arm is hinged to the left side of the sliding seat, and the arc-shaped wiping piece is fixedly connected to the lower end of the inclined arm.

The multifunctional offset press further comprises a top strip and an electric push rod III, the lifting column is vertically connected to the middle of the top strip in a sliding mode, the electric push rod III is fixedly connected to the lower portion of the top strip, and the movable end of the electric push rod III is fixedly connected to the lower portion of the lifting column.

The multifunctional offset press further comprises a screw I, supporting plates, cross rail rods and sliding sleeves, the cross rail rods are fixedly connected between the upper ends of the two supporting plates, the sliding sleeves are connected to the cross rail rods in a sliding mode, the rear ends of the jacking strips are fixedly connected to the sliding sleeves, the screw I driven by a motor is arranged between the two supporting plates, and the screw I is in threaded fit with the sliding sleeves.

The multifunctional offset press further comprises a bottom plate, a supporting platform, a printing plate, protruding columns and pressing screws, the lower portions of the two supporting plates are fixedly connected to the left end and the right end of the bottom plate respectively, the supporting platform is fixedly connected to the left portion of the bottom plate, the printing plate is placed on the upper portion of the supporting platform, the protruding columns are fixedly connected to the bottom plate on the left side and the right side of the supporting platform respectively, the pressing screws are connected to the two protruding columns through threads, and the two pressing screws are pressed on the left side and the right side of the printing plate.

The multifunctional offset press further comprises a lead screw II, lugs, a translation seat and an inking wheel, the translation seat is connected to the bottom plate in a sliding mode in the left-right direction, the two lugs are fixedly connected to the bottom plate, the lead screw II driven by a motor is arranged between the two lugs, the lead screw II is matched with the translation seat through threads, and the inking wheel is rotatably connected to the upper portion of the translation seat.

The multifunctional offset press further comprises a paper table, a cushion block, stop blocks, a trapezoidal slide rail and clamp plates, the cushion block is fixedly connected to the right end of the bottom plate, the paper table is fixedly connected to the upper end of the cushion block, the trapezoidal slide rail in the front-back direction is arranged at the right part of the bottom plate, the clamp plates are slidably connected to the front end and the rear end of the trapezoidal slide rail, the stop blocks are fixedly connected to the front end and the rear end of the trapezoidal slide rail respectively, the two clamp plates are located between the two stop blocks, the two clamp plates are located on the front side and.

The upper sides of the two clamping plates and the upper side of the paper table are on the same plane.

The multifunctional offset press has the beneficial effects that:

the multifunctional offset press can limit the rotation of the rubber roller, and avoids the occurrence of repeated printing caused by overlarge rotation angle of the rubber roller. Gear II drives gear I and rotates when rotating, and gear I drives two fixed axles and rubber gyro wheels and rotates when rotating, because be located the fixed axle of front side on the fixedly connected with restriction pole, consequently the pin can block the restriction pole when rubber gyro wheel rotates a whole circle, consequently makes rubber gyro wheel can't rotate a whole circle, avoids the too big emergence that causes the repeated printing condition of rubber gyro wheel turned angle. The printing mode is that the printing plate is firstly printed on the rubber roller and then is transferred to the paper by the rubber roller.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic view of an overall structure of a multi-function offset printing press according to the present invention;

FIG. 2 is a schematic view of the overall structure of a multifunctional offset printing machine according to the present invention;

FIG. 3 is a schematic structural view of a cross beam and a ring;

FIG. 4 is a schematic structural diagram of the slider;

FIG. 5 is a schematic structural view of a top bar;

FIG. 6 is a schematic structural view of a base plate;

fig. 7 is a schematic structural view of the paper table.

In the figure: a cross beam 1; an electric push rod I101; a vertical frame 102; a stopper rod 103; a restraining bar 104; a fixed shaft 105; a rubber roller 106; gear I107; gear II 108; a circular ring 2; forward and backward movement of the rod 201; an electric push rod II 202; a slide carriage 3; a vertical post rod 301; a lifting column 302; a stop pin 303; a diagonal arm 304; an arcuate wipe 305; a top strip 4; a lead screw I401; an electric push rod III 402; a support plate 403; a rail bar 404; a sliding sleeve 405; a bottom plate 5; a pallet 501; a lead screw II 502; a tab 503; a translation stage 504; a inking wheel 505; a printing plate 506; a convex column 507; a compression screw 508; a paper table 6; a cushion block 601; a stopper 602; a trapezoidal slide rail 603; a clamp plate 604.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The first embodiment is as follows:

the present invention relates to an offset printing machine, and more particularly to a multifunctional offset printing machine, which includes a cross beam 1, a vertical frame 102, a stop lever 103, a limit lever 104, a fixed shaft 105, a rubber roller 106, a gear I107 and a gear II108, and is capable of limiting the rotation of the rubber roller 106 and avoiding the occurrence of repeated printing due to an excessively large rotation angle of the rubber roller 106.

The utility model discloses a crossbeam, including crossbeam 1, the equal fixedly connected with in both ends of crossbeam 1 downside erects frame 102, the equal fixedly connected with fixed axle 105 in both sides around rubber roller 106, two fixed axles 105 rotate respectively and connect in the lower part of two perpendicular frames 102, be located fixedly connected with pin 103 on the perpendicular frame 102 of front side, be located fixedly connected with restriction pole 104 on the fixed axle 105 of front side, be located fixedly connected with gear I107 on the fixed axle 105 of rear side, be located and be provided with gear II108 through motor drive on the perpendicular frame 102 of rear side, gear II108 and gear I107 meshing transmission. The gear II108 drives the gear I107 to rotate when rotating, the gear I107 drives the two fixed shafts 105 and the rubber roller 106 to rotate when rotating, and the limiting rod 104 is fixedly connected to the fixed shaft 105 positioned on the front side, so that the stop lever 103 blocks the limiting rod 104 when the rubber roller 106 rotates for a full circle, the rubber roller 106 cannot rotate for a full circle, and the occurrence of repeated printing caused by the overlarge rotation angle of the rubber roller 106 is avoided. The printing is performed by printing from the printing plate 506 onto the rubber roller 106 and then transferring from the rubber roller 106 to the paper.

The second embodiment is as follows:

the embodiment is described below with reference to fig. 1 to 7, the multifunctional offset printing machine further includes a circular ring 2, a forward-backward moving rod 201 and an electric push rod II202, the forward-backward moving rod 201 is slidably connected to the two vertical frames 102 in the forward-backward direction, the circular ring 2 is fixedly connected to the inner ends of the two forward-backward moving rods 201, the two circular rings 2 are coaxial with the rubber roller 106, the electric push rod II202 is fixedly connected to the outer sides of the two vertical frames 102, and the movable ends of the two electric push rods II202 are respectively fixedly connected to the outer ends of the two forward-backward moving rods 201. When the electric push rod II202 stretches, the front and rear moving rod 201 can be driven to move back and forth, and when the front and rear moving rod 201 moves back and forth, the circular rings 2 can be driven to move back and forth, so that the front and rear positions of the two circular rings 2 are controlled. The two rings 2 can be attached to the left end and the right end of the printing plate 506 when the rubber roller 106 rolls over the printing plate 506, so that the printing plate 506 cannot move randomly, the rubber roller 106 and the printing plate 506 are more stably contacted, and the printing effect is better.

The third concrete implementation mode:

the present embodiment is described below with reference to fig. 1 to 7, the multifunctional offset printing press further includes an electric putter I101, a slide 3, a vertical post 301, a lifting post 302 and a stop pin 303, the slide 3 is connected to the cross beam 1 in a sliding manner, the electric putter I101 is fixedly connected to the upper side of the cross beam 1, the movable end of the electric putter I101 is fixedly connected to the slide 3, the vertical post 301 is fixedly connected to the upper end of the slide 3, the vertical sliding connection of the lower portion of the lifting post 302 is connected to the vertical post 301, the stop pin 303 is fixedly connected to the upper end of the vertical post 301, a compression spring is sleeved on the vertical post 301, and the compression spring is located between the slide 3 and the lifting post 302. When the electric push rod I101 stretches, the cross beam 1 can be driven to slide back and forth on the sliding seat 3, and then the back and forth position of the rubber roller 106 is adjusted; when the lifting column 302 moves downwards, the sliding base 3 is given a downward force by a compression spring, so that the rubber roller 106 can be elastically pressed on the paper or the printing plate 506, and the adhesion of the rubber roller 106 and the paper or the printing plate 506 is ensured.

The fourth concrete implementation mode:

the present embodiment is described below with reference to fig. 1 to 7, and the multifunctional offset printing press further includes a tilting arm 304 and an arc-shaped wiping piece 305, the tilting arm 304 is hinged to the left side of the sliding base 3, and the arc-shaped wiping piece 305 is fixedly connected to the lower end of the tilting arm 304. The inclined arm 304 can rotate on the sliding base 3, and then the arc-shaped wiping piece 305 is driven to rotate, the arc-shaped wiping piece 305 is lapped on the two circular rings 2 at ordinary times and is not in contact with the rubber roller 106, when ink on the rubber roller 106 needs to be cleaned, the two circular rings 2 are moved to the maximum distance, the arc-shaped wiping piece 305 is in contact with the rubber roller 106, the arc-shaped wiping piece 305 is clamped and fixed by the two circular rings 2, and at the moment, the rubber roller 106 rotates relative to the arc-shaped wiping piece 305 to clear the rubber roller 106.

The fifth concrete implementation mode:

the embodiment is described below with reference to fig. 1 to 7, the multifunctional offset printing press further includes a top strip 4 and an electric push rod III402, the lifting column 302 is vertically slidably connected to the middle portion of the top strip 4, the electric push rod III402 is fixedly connected to the lower portion of the top strip 4, and the movable end of the electric push rod III402 is fixedly connected to the lower portion of the lifting column 302. When the electric push rod III402 extends and contracts, the lifting column 302 is driven to vertically slide on the top strip 4.

The sixth specific implementation mode:

the present embodiment is described below with reference to fig. 1 to 7, the multifunctional offset printing press further includes a lead screw I401, support plates 403, a cross rail rod 404 and a sliding sleeve 405, the cross rail rod 404 is fixedly connected between the upper ends of the two support plates 403, the sliding sleeve 405 is slidably connected on the cross rail rod 404, the rear end of the top bar 4 is fixedly connected on the sliding sleeve 405, the lead screw I401 driven by a motor is arranged between the two support plates 403, and the lead screw I401 is in threaded fit with the sliding sleeve 405. When the screw I401 rotates, the sliding sleeve 405 is driven to slide left and right on the cross rail rod 404, and further the top bar 4 is driven to slide left and right, so as to adjust the left and right positions of the rubber roller 106.

The seventh embodiment:

the present embodiment is described below with reference to fig. 1 to 7, the multifunctional offset printing press further includes a bottom plate 5, a pallet 501, a printing plate 506, a convex column 507 and a press screw 508, the lower portions of the two support plates 403 are respectively fixedly connected to the left and right ends of the bottom plate 5, the left portion of the bottom plate 5 is fixedly connected to the pallet 501, the printing plate 506 is placed on the upper portion of the pallet 501, the convex columns 507 are fixedly connected to the bottom plate 5 on the left and right sides of the pallet 501, the press screws 508 are respectively connected to the two convex columns 507 through threads, and the two press screws 508 are respectively pressed on the left and right sides of the printing plate 506. Plates 506 of different sizes may be placed on the pallet 501 and two compression screws 508 may clamp the plates 506 in place.

The specific implementation mode is eight:

the present embodiment is described below with reference to fig. 1 to 7, the multifunctional offset printing press further includes a lead screw II502, a protruding piece 503, a translation base 504 and an inking wheel 505, the translation base 504 is slidably connected to the bottom plate 5 in the left-right direction, two protruding pieces 503 are fixedly connected to the bottom plate 5, the lead screw II502 driven by a motor is arranged between the two protruding pieces 503, the lead screw II502 is engaged with the translation base 504 through a thread, and the inking wheel 505 is rotatably connected to the upper portion of the translation base 504. When the screw II502 rotates, the translation base 504 can be driven to move left and right, and when the translation base 504 moves right, the inking wheel 505 is driven to roll over the printing plate 506, so that ink is smeared on the printing plate 506. The inking wheel 505 is coated with absorbent cotton to facilitate inking.

The specific implementation method nine:

the present embodiment is described below with reference to fig. 1 to 7, the multifunctional offset printing press further includes a paper table 6, a cushion block 601, a stop block 602, a trapezoidal sliding rail 603 and a clamp plate 604, the cushion block 601 is fixedly connected to the right end of the bottom plate 5, the paper table 6 is fixedly connected to the upper end of the cushion block 601, the trapezoidal sliding rail 603 in the front-back direction is disposed at the right portion of the bottom plate 5, the clamp plates 604 are slidably connected to the front and back ends of the trapezoidal sliding rail 603, the stop block 602 is fixedly connected to the front and back ends of the trapezoidal sliding rail 603, the two clamp plates 604 are disposed between the two stop blocks 602, the two clamp plates 604 are disposed on the front and back. The paper table 6 is used for placing paper, the front side and the rear side of the paper are respectively placed in the gaps between the two clamping plates 604 and the paper table 6, and when the rubber roller 106 moves to the paper, the two circular rings 2 are respectively pressed on the outer sides of the two clamping plates 604, and at the moment, the two clamping plates 604 clamp and fix the paper, so that the paper is more stable when the rubber roller 106 prints the paper.

The detailed implementation mode is ten:

the present embodiment will be described with reference to fig. 1 to 7, in which the upper sides of the two clamp plates 604 are flush with the upper side of the paper table 6.

The working principle of the invention is as follows: the gear II108 drives the gear I107 to rotate when rotating, the gear I107 drives the two fixed shafts 105 and the rubber roller 106 to rotate when rotating, and the limiting rod 104 is fixedly connected to the fixed shaft 105 positioned on the front side, so that the stop lever 103 blocks the limiting rod 104 when the rubber roller 106 rotates for a full circle, the rubber roller 106 cannot rotate for a full circle, and the occurrence of repeated printing caused by the overlarge rotation angle of the rubber roller 106 is avoided. The printing is performed by printing from the printing plate 506 onto the rubber roller 106 and then transferring from the rubber roller 106 to the paper. When the electric push rod II202 stretches, the front and rear moving rod 201 can be driven to move back and forth, and when the front and rear moving rod 201 moves back and forth, the circular rings 2 can be driven to move back and forth, so that the front and rear positions of the two circular rings 2 are controlled. The two rings 2 can be attached to the left end and the right end of the printing plate 506 when the rubber roller 106 rolls over the printing plate 506, so that the printing plate 506 cannot move randomly, the rubber roller 106 and the printing plate 506 are more stably contacted, and the printing effect is better. When the electric push rod I101 stretches, the cross beam 1 can be driven to slide back and forth on the sliding seat 3, and then the back and forth position of the rubber roller 106 is adjusted; when the lifting column 302 moves downwards, the sliding base 3 is given a downward force by a compression spring, so that the rubber roller 106 can be elastically pressed on the paper or the printing plate 506, and the adhesion of the rubber roller 106 and the paper or the printing plate 506 is ensured. The inclined arm 304 can rotate on the sliding base 3, and then the arc-shaped wiping piece 305 is driven to rotate, the arc-shaped wiping piece 305 is lapped on the two circular rings 2 at ordinary times and is not in contact with the rubber roller 106, when ink on the rubber roller 106 needs to be cleaned, the two circular rings 2 are moved to the maximum distance, the arc-shaped wiping piece 305 is in contact with the rubber roller 106, the arc-shaped wiping piece 305 is clamped and fixed by the two circular rings 2, and at the moment, the rubber roller 106 rotates relative to the arc-shaped wiping piece 305 to clear the rubber roller 106. When the electric push rod III402 extends and contracts, the lifting column 302 is driven to vertically slide on the top strip 4. When the screw I401 rotates, the sliding sleeve 405 is driven to slide left and right on the cross rail rod 404, and further the top bar 4 is driven to slide left and right, so as to adjust the left and right positions of the rubber roller 106. Plates 506 of different sizes may be placed on the pallet 501 and two compression screws 508 may clamp the plates 506 in place. When the screw II502 rotates, the translation base 504 can be driven to move left and right, and when the translation base 504 moves right, the inking wheel 505 is driven to roll over the printing plate 506, so that ink is smeared on the printing plate 506. The inking wheel 505 is coated with absorbent cotton to facilitate inking. The paper table 6 is used for placing paper, the front side and the rear side of the paper are respectively placed in the gaps between the two clamping plates 604 and the paper table 6, and when the rubber roller 106 moves to the paper, the two circular rings 2 are respectively pressed on the outer sides of the two clamping plates 604, and at the moment, the two clamping plates 604 clamp and fix the paper, so that the paper is more stable when the rubber roller 106 prints the paper.

It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.

Claims

1. The utility model provides a multifunctional offset press, includes crossbeam (1), erects frame (102), pin (103), restriction pole (104), fixed axle (105), rubber gyro wheel (106), gear I (107) and gear II (108), its characterized in that: the front end and the rear end of the lower side of the cross beam (1) are fixedly connected with vertical frames (102), the front side and the rear side of a rubber roller (106) are fixedly connected with fixed shafts (105), the two fixed shafts (105) are respectively and rotatably connected to the lower parts of the two vertical frames (102), the vertical frame (102) positioned on the front side is fixedly connected with a stop lever (103), the fixed shaft (105) positioned on the front side is fixedly connected with a limiting lever (104), the fixed shaft (105) positioned on the rear side is fixedly connected with a gear I (107), the vertical frame (102) positioned on the rear side is provided with a gear II (108) driven by a motor, and the gear II (108) is in meshing transmission with the gear I (107);

the multifunctional offset press further comprises a circular ring (2), a front-back moving rod (201) and electric push rods II (202), the front-back moving rod (201) is connected to the two vertical frames (102) in a sliding mode in the front-back direction, the inner ends of the two front-back moving rods (201) are fixedly connected with the circular ring (2), the two circular rings (2) and the rubber idler wheels (106) are coaxially arranged, the electric push rods II (202) are fixedly connected to the outer sides of the two vertical frames (102), and the movable ends of the two electric push rods II (202) are fixedly connected to the outer ends of the two front-back moving rods (201) respectively;

the multifunctional offset press further comprises an electric push rod I (101), a sliding seat (3), a vertical post rod (301), a lifting post (302) and a stop pin (303), wherein the sliding seat (3) is connected onto the cross beam (1) in a sliding manner, the electric push rod I (101) is fixedly connected onto the upper side of the cross beam (1), the movable end of the electric push rod I (101) is fixedly connected onto the sliding seat (3), the vertical post rod (301) is fixedly connected onto the upper end of the sliding seat (3), the lower part of the lifting post (302) is vertically connected onto the vertical post rod (301) in a sliding manner, the stop pin (303) is fixedly connected onto the upper end of the vertical post rod (301), a compression spring is sleeved on the vertical post rod (301), and the compression spring is located between the sliding seat (3) and the lifting;

the multifunctional offset press also comprises an inclined arm (304) and an arc-shaped wiping piece (305), wherein the inclined arm (304) is hinged to the left side of the sliding seat (3), and the arc-shaped wiping piece (305) is fixedly connected to the lower end of the inclined arm (304);

the multifunctional offset press further comprises a top strip (4) and an electric push rod III (402), the lifting column (302) is vertically and slidably connected to the middle of the top strip (4), the electric push rod III (402) is fixedly connected to the lower portion of the top strip (4), and the movable end of the electric push rod III (402) is fixedly connected to the lower portion of the lifting column (302);

the multifunctional offset press further comprises a lead screw I (401), support plates (403), transverse rail rods (404) and a sliding sleeve (405), the transverse rail rods (404) are fixedly connected between the upper ends of the two support plates (403), the sliding sleeve (405) is connected onto the transverse rail rods (404) in a sliding manner, the rear end of the top bar (4) is fixedly connected onto the sliding sleeve (405), the lead screw I (401) driven by a motor is arranged between the two support plates (403), and the lead screw I (401) is in threaded fit with the sliding sleeve (405);

the multifunctional offset press also comprises a bottom plate (5), a support table (501), printing plates (506), convex columns (507) and press screws (508), the lower parts of the two support plates (403) are fixedly connected to the left end and the right end of the bottom plate (5) respectively, the left part of the bottom plate (5) is fixedly connected with the support table (501), the printing plates (506) are placed on the upper part of the support table (501), the convex columns (507) are fixedly connected to the bottom plate (5) on the left side and the right side of the support table (501), the press screws (508) are connected to the two convex columns (507) through threads, and the two press screws (508) are pressed on the left side and the right side of the printing plates (506) respectively;

the multifunctional offset press further comprises a lead screw II (502), a lug (503), a translation seat (504) and an inking wheel (505), the translation seat (504) is connected to the bottom plate (5) in a left-right direction in a sliding mode, the bottom plate (5) is fixedly connected with the two lug (503), the lead screw II (502) driven by a motor is arranged between the two lug (503), the lead screw II (502) is matched with the translation seat (504) through threads, and the inking wheel (505) is rotatably connected to the upper portion of the translation seat (504).

2. A multifunction offset printing press as recited in claim 1, wherein: the multifunctional offset press further comprises a paper table (6), a cushion block (601), a stop block (602), a trapezoidal sliding rail (603) and clamping plates (604), the cushion block (601) is fixedly connected to the right end of the bottom plate (5), the paper table (6) is fixedly connected to the upper end of the cushion block (601), the trapezoidal sliding rail (603) in the front-back direction is arranged on the right portion of the bottom plate (5), the clamping plates (604) are slidably connected to the front end and the rear end of the trapezoidal sliding rail (603), the stop block (602) is fixedly connected to the front end and the rear end of the trapezoidal sliding rail (603), the two clamping plates (604) are located between the two stop blocks (602), the two clamping plates (604) are located on the front side and the rear side of the paper table (6.

3. A multifunction offset printing press as recited in claim 2, wherein: the upper sides of the two clamping plates (604) and the upper side of the paper table (6) are on the same plane.