CN216069178U

CN216069178U - Split type printing machine

Info

Publication number: CN216069178U
Application number: CN202120437662.0U
Authority: CN
Inventors: 陈宇; 夏伟
Original assignee: Suzhou Maxwell Technologies Co Ltd
Current assignee: Suzhou Maxwell Technologies Co Ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2022-03-18
Anticipated expiration: 2031-03-01

Abstract

The utility model provides a split type printing machine which comprises a printing machine body, a first base and a second base, wherein the first base and the second base are arranged separately; the printing machine body comprises a printing rotary table, a first printing unit and a second printing unit, wherein the first printing unit and the second printing unit are arranged on two sides of the printing rotary table; the first printing unit is arranged on the first base, and the second printing unit is arranged on the second base. The bases of the back-to-back printing machines of the prior integrated type are separated, so that the front and the back 2 printing machines move respectively without interference, and higher printing precision is achieved. After being divided into 2 printing machines, the device is more convenient to transport and assemble, reduces the transport cost and improves the assembly efficiency.

Description

Split type printing machine

Technical Field

The utility model relates to the technical field of processing equipment, in particular to a split type printing machine and a wireless charging system.

Background

The solar cell silicon chip is a core part in a solar power generation system and is used for converting solar energy into electric energy, the quality and the cost of the solar cell silicon chip directly determine the quality and the cost of the whole solar power generation system, and a photovoltaic solar silicon chip printing machine is widely applied to printing production of photovoltaic solar silicon chips along with continuous development of the technical field of photovoltaic equipment.

At present, the printing of the solar cell silicon wafer mainly adopts the single-table-board printing of a rotary table or the alternate exchange printing of a linear transmission table board, most of the rotary tables of the existing printing machines adopt a four-station rotary table, wherein one station is a wafer feeding station and is used for aligning the solar cell silicon wafer transmitted to the station, the other station is a printing station, the third station is a wafer discharging station, and the four stations are idle stations. For promoting the productivity, current integral type printing machine is integrated as the integral type structure back to back with two at least printing, and the vibrations state of integral type structure influences printing efficiency mutually.

Therefore, the existing solar cell silicon wafer printer has the technical problem that the printing efficiency is limited due to the influence of vibration of integrated equipment.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a split type printing machine, which aims to solve the technical problem that the printing efficiency is limited due to the influence of vibration of the existing integrated equipment.

In order to achieve the purpose, the utility model provides the following specific scheme:

the embodiment of the utility model provides a split type printing machine, which comprises a printing machine body, a first base and a second base, wherein the first base and the second base are arranged separately;

the printing machine body comprises a printing rotary table, a first printing unit and a second printing unit, wherein the first printing unit and the second printing unit are arranged on two sides of the printing rotary table;

the first printing unit is arranged on the first base, and the second printing unit is arranged on the second base.

Optionally, a marble base is respectively installed under the first base and the second base.

Optionally, the split printer has a length dimension of 2400 mm, a width dimension of 2700 mm, and a height dimension of 2290 mm.

Optionally, the first printing unit and the second printing unit both have a dimension of 1350 mm in the width direction of the split printing machine.

Optionally, the first printing unit includes a first printing station, a first in-out station, a first printing mechanism and a first conveying mechanism, and the second printing unit includes a second printing station, a second in-out station, a second printing mechanism and a second conveying mechanism;

the first printing station and the second printing station are arranged oppositely, the first printing mechanism is correspondingly arranged on the first printing station, and the second printing mechanism is correspondingly arranged on the second printing station;

the first conveying mechanism comprises a plurality of first conveying assemblies with the same conveying direction, and the second conveying mechanism comprises a plurality of second conveying assemblies with the same conveying direction;

the first business turn over station with the second business turn over station sets up relatively, first business turn over station sets up adjacent two between the first transmission assembly, just the stock form direction of motion of first business turn over station with the direction of delivery of first transmission assembly is the same, the second business turn over station sets up adjacent two between the second transmission assembly, just the stock form direction of motion of second business turn over station with the direction of delivery of second transmission assembly is the same.

Optionally, the printing press body further includes at least one third conveying mechanism, and the third conveying mechanism includes at least one third conveying assembly, a fourth conveying assembly and two fifth conveying assemblies;

the third transmission assembly is arranged on one side, close to the first transmission assembly, of the second transmission assembly, and the transmission direction of the third transmission assembly is the same as that of the second transmission assembly;

the fourth transmission assembly is arranged between the two fifth transmission assemblies, and the conveying direction of the fourth transmission assembly is perpendicular to the conveying direction of the second transmission assembly;

the first transmission assembly is arranged between the third transmission assembly and the fourth transmission assembly and used for transmitting the solar cell silicon wafers between the third transmission assembly and the fourth transmission assembly, and the other fifth transmission assembly is arranged between the second transmission assembly and the fourth transmission assembly and used for transmitting the solar cell silicon wafers between the second transmission assembly and the fourth transmission assembly.

Optionally, the conveying directions of the first conveying assembly and the second conveying assembly are parallel and the same.

Optionally, the printing turntable comprises a turntable body and four roll paper assemblies arranged on the turntable body, two adjacent roll paper assemblies are separated by 90 degrees, and the roll paper movement direction of each roll paper assembly is tangent to the turntable body;

the conveying directions of the first conveying assembly and the second conveying assembly are tangent to the rotary table body respectively.

The split type printing machine provided by the embodiment of the utility model comprises a printing machine body, a first base and a second base, wherein the first base and the second base are arranged separately; the printing machine body comprises a printing rotary table, a first printing unit and a second printing unit, wherein the first printing unit and the second printing unit are arranged on two sides of the printing rotary table; the first printing unit is arranged on the first base, and the second printing unit is arranged on the second base. The bases of the back-to-back printing machines of the prior integrated type are separated, so that the front and the back 2 printing machines move respectively without interference, and higher printing precision is achieved. After being divided into 2 printing machines, the device is more convenient to transport and assemble, reduces the transport cost and improves the assembly efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a split printing machine according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a split type printing machine according to an embodiment of the present invention.

Summary of reference numerals:

a split printing press 100;

a printer body 110, a printing turntable 111, a first printing unit 112, a second printing unit 113;

and 120 of marble.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a schematic structural diagram of a split printing machine according to an embodiment of the present invention is provided. As shown in fig. 1 and 2, the split type printing press mainly includes: the printing machine comprises a printing machine body 110, a first base and a second base, wherein the first base and the second base are arranged separately;

the printer body 110 includes a printing turntable 111, and a first printing unit 112 and a second printing unit 113 disposed at both sides of the printing turntable 111;

the first printing unit 112 is disposed on the first base, and the second printing unit 113 is disposed on the second base.

The split printing press 100 provided in this embodiment mainly defines a split structure of a back-to-back printing press. Specifically, as shown in fig. 1, the split type printing machine 100 includes a printing machine body 110, a first base and a second base, and the first base and the second base are separately disposed.

The printing machine body 110 is a main functional component of the split printing machine 100, and includes a basic functional component printing turntable 111, and a first printing unit 112 and a second printing unit respectively disposed on two sides of the printing turntable 111, wherein the first printing unit 112 and the second printing unit both face a printing portion of the printing machine body 110, and two operation flows are respectively implemented. The first printing unit 112 and the second printing unit are in contact assembly relation with the printing machine body 110, not in integral assembly relation, and the first printing unit 112 and the second printing unit are separated from each other, and the vibration states of the first printing unit 112 and the second printing unit are not influenced by each other.

The first base and the second base are supporting parts of the split printing machine 100, the first base and the second base are separately arranged, the first base is used for supporting the first printing unit 112, the second base is used for supporting the second printing unit 113, so that the first printing unit 112 and the second printing unit 113 are respectively supported by different and separate bases, and in the working process, the first printing unit 112 and the second printing unit 113 cannot be mutually influenced due to the fact that the first base and the second base are not in contact with each other.

Optionally, a marble 120 base is respectively installed under the first base and the second base.

Compared with the prior scheme of installing the marble 120 under one base, the marble 120 base is installed under the first base and the second base respectively, so that stronger and more stable support is provided.

Accordingly, the split printer 100 has a length dimension of 2400 mm, a width dimension of 2700 mm, and a height dimension of 2290 mm.

Optionally, the first printing unit 112 and the second printing unit 113 both have a dimension of 1350 mm in the width direction of the split printing machine 100.

After the back-to-back integrated printing machine is simultaneously divided into 2 printing machines, the external dimension is changed from 2400 x 2700 x 2290mm to 2400 x 1350 x 2290mm, the width is reduced to a half of the original width, the transportation is more convenient, and the transportation cost is reduced.

In addition, because inside operation space is limited to former all-in-one, can't hold the condition that 2 equipment joined in marriage personnel concurrent operation, the split type printing machine that this application provided separately assembles 2 machines independently simultaneously to independent 2 machines, and overall space structure, area are the same with a structure is complete back-to-back. The base and the external frame are completely cut to form 2 independent machines, and the assembly efficiency is effectively improved.

The structure of the printing press body and the related units of the split printing press according to the present application will be described in detail below.

According to a specific embodiment of the present disclosure, the first printing unit includes a first printing station, a first in-out station, a first printing mechanism, and a first conveying mechanism, and the second printing unit includes a second printing station, a second in-out station, a second printing mechanism, and a second conveying mechanism;

Specifically, the printing rotary table comprises two printing stations, a first in-out station and a second in-out station, and the printing stations are used for printing the solar cell silicon wafer rotated to the printing stations.

The first conveying mechanism comprises a plurality of first conveying assemblies, the conveying directions of the first conveying assemblies are the same, the structural sizes of the first conveying assemblies can be approximately the same, and the first conveying assemblies are distributed on one side of the printing turntable in an array mode; or the structural sizes of the plurality of first transmission assemblies may be partially the same and partially different, the first transmission assemblies are arranged along the horizontal direction or other directions, and the structural sizes of the plurality of first transmission assemblies may be completely different, and the first transmission assemblies are arranged along the horizontal direction or other directions.

The second conveying mechanism comprises a plurality of second conveying assemblies, and the conveying direction and the structural size of the plurality of second conveying assemblies can be the same as those of the first conveying mechanism, and are not limited.

The first in-and-out station is arranged between two adjacent first transmission assemblies, the moving direction of roll paper of the first in-and-out station is the same as the transmission direction of the first transmission assemblies, the first transmission assemblies positioned on one side of the first in-and-out station transmit solar cell silicon wafers to be printed, and the first transmission assemblies positioned on the other side of the first in-and-out station are provided with bearing spaces for transmitting the printed solar cell silicon wafers transmitted from the first in-and-out station.

The second in-and-out station is arranged between two adjacent second transmission assemblies, and the working mode of the second in-and-out station is the same as that of the first in-and-out station, and is not limited.

According to the split type printing machine, the printing rotary table is limited to be provided with the two printing stations which are arranged oppositely, the first conveying mechanism and the second conveying mechanism, so that the same printing rotary table can be used for simultaneously printing two solar cell silicon wafers, and the productivity can be improved; the moving direction of the roll paper of the first in-and-out station is limited to be the same as the conveying direction of the first conveying assembly, the moving direction of the roll paper of the second in-and-out station is limited to be the same as the conveying direction of the second conveying assembly, so that the solar cell silicon wafer which is printed on the first in-and-out station is output to the first conveying assembly on one side of the first in-and-out station and is continuously output, meanwhile, the solar cell silicon wafer to be printed on the first conveying assembly on the other side of the first in-and-out station is conveyed to the first in-and-out station and is printed when the first in-and-out station rotates to the printing station, similarly, the solar cell silicon wafer which is printed on the second in-and-out station is output to the second conveying assembly on one side of the second in-and-out station and is conveyed to the second in-and-out station simultaneously, and printing is carried out when the solar cell silicon wafer rotates to the printing station, so that the printed solar cell silicon wafer and the solar cell silicon wafer to be printed enter and exit from the first entering and exiting station and the second entering and exiting station simultaneously, the wafer entering and exiting time is reduced, and the productivity is improved.

The printing turret may be rotated in a variety of ways. In particular implementations, the printing turret may rotate in the same direction, e.g., the printing turret may rotate in a clockwise direction, or the printing turret may rotate in a counter-clockwise direction. And no matter the printing turntable rotates along the clockwise or anticlockwise direction, the conveying directions of the first conveying assembly and the second conveying assembly are arranged in parallel, and the conveying directions of the first conveying assembly and the second conveying assembly are the same, so that the arrangement of the operation space is facilitated, different application scenes are adapted, and observation and operation during production are facilitated.

In the split printer, the solar cell silicon wafers to be printed are conveyed from the first conveying assembly to the first in-out station, the solar cell silicon wafers to be printed are conveyed from the second conveying assembly to the second in-out station, then the two solar cell silicon wafers to be printed rotate to the printing station through the rotation of the printing turntable by a certain angle, the two printing mechanisms respectively print the two solar cell silicon wafers to be printed, then the printing turntable continues to rotate, the two printed solar cell silicon wafers rotate to the first in-out station and the second in-out station, at the moment, the printed solar cell silicon wafers on the second in-out station are conveyed from the first conveying assembly, the printed solar cell silicon wafers on the first in-out station are conveyed from the second conveying assembly, and the conveying directions of the first conveying assembly and the second conveying assembly are limited to be the same, the conveying direction of the printed solar cell silicon wafer on the second in-out station is the same as that of the second conveying assembly, so that the printed solar cell silicon wafer on the second in-out station is conveyed to the second conveying assembly, the conveying direction of the printed solar cell silicon wafer on the first in-out station is the same as that of the first conveying assembly, the printed solar cell silicon wafer on the first in-out station is conveyed to the first conveying assembly, the printed solar cell silicon wafer and the solar cell silicon wafer to be printed enter and exit from the first in-out station and the second in-out station simultaneously, the wafer feeding time is shortened, and the productivity is improved.

The conveying directions of the first conveying assembly and the second conveying assembly are parallel, and the conveying directions of the first conveying assembly and the second conveying assembly are the same, so that the solar cell silicon wafers to be printed are placed and the printed solar cell silicon wafers are collected conveniently, operation is facilitated, productivity is improved, operation space can be conveniently arranged, different application scenes are adapted, and observation and operation during production are facilitated.

In the split printer, the solar cell silicon wafers to be printed are conveyed to the first in-and-out station from the first conveying assembly, the solar cell silicon wafers to be printed are conveyed to the second in-and-out station from the second conveying assembly, then the two solar cell silicon wafers to be printed are rotated to the printing station through 90 degrees of rotation of the printing turntable, the two printing mechanisms respectively print the two solar cell silicon wafers to be printed, then the printing turntable reversely rotates for 90 degrees, the two printed solar cell silicon wafers are respectively rotated back to the first in-and-out station and the second in-and-out station, the printed solar cell silicon wafers on the second in-and-out station are conveyed from the second conveying assembly, the printed solar cell silicon wafers on the first in-and-out station are conveyed from the first conveying assembly, and the roll paper direction of the first in-and-out station is the same as the conveying direction of the first conveying assembly, the roll paper direction of the second in-out station is the same as the conveying direction of the second conveying assembly, the conveying direction of the first conveying assembly is the same as that of the second conveying assembly, the printed solar cell silicon wafer on the first in-out station is conveyed to the first conveying assembly, the solar cell silicon wafer to be printed on the first conveying assembly is conveyed to the first in-out station, the printed solar cell silicon wafer on the second in-out station is conveyed to the second conveying assembly, the solar cell silicon wafer to be printed on the second conveying assembly is conveyed to the second in-out station, and therefore the printed solar cell silicon wafer and the solar cell silicon wafer to be printed can enter and exit from the first in-out station and the second in-out station at the same time, the wafer entering and exiting time is shortened, and the productivity is improved.

For convenience of operation, the printer body may further include at least one third conveying mechanism, the number of the third conveying mechanisms may be one, two or more, the third conveying mechanism includes at least one third conveying assembly, a fourth conveying assembly and two fifth conveying assemblies, and the number of the third conveying assemblies may be one, two or more.

A fifth transmission assembly arranged between the third transmission assembly and the fourth transmission assembly for transmitting the solar energy

The solar cell silicon wafer conveying device comprises a third conveying assembly, a fourth conveying assembly, a fifth conveying assembly and a fourth conveying assembly, wherein the third conveying assembly is used for receiving the solar cell silicon wafer from the third conveying assembly and conveying the solar cell silicon wafer to the fourth conveying assembly;

another fifth transmission assembly is arranged between the second transmission assembly and the fourth transmission assembly and is used for transmitting the sun

The solar cell silicon wafer is conveyed between the second conveying assembly and the fourth conveying assembly, when the solar cell silicon wafer conveying device is specifically arranged, the other fifth conveying assembly can be used for receiving the solar cell silicon wafer from the fourth conveying assembly and conveying the solar cell silicon wafer to the second conveying assembly, and the other fifth conveying assembly can be used for receiving the solar cell silicon wafer from the second conveying assembly and conveying the solar cell silicon wafer to the fourth conveying assembly.

The split printing machine is provided with the third conveying mechanism, and the third conveying assembly is limited to be arranged on one side, close to the first conveying assembly, of the second conveying assembly, so that the second conveying mechanism is operated at the third conveying mechanism, and the operating position is close to the first conveying mechanism, so that the operating distance is reduced, and the operation is convenient; when the solar cell silicon wafer conveying device is specifically set, the solar cell silicon wafer enters the third conveying assembly, then the fifth conveying assembly lifts the solar cell silicon wafer from the third conveying assembly to receive the solar cell silicon wafer and conveys the solar cell silicon wafer to the fourth conveying assembly, the other fifth conveying assembly receives the solar cell silicon wafer from the fourth conveying assembly and puts down the solar cell silicon wafer and conveys the solar cell silicon wafer to the second conveying assembly, or the solar cell silicon wafer is output from the second conveying assembly, then the fifth conveying assembly lifts the solar cell silicon wafer from the second conveying assembly to receive the solar cell silicon wafer and conveys the solar cell silicon wafer to the fourth conveying assembly, and the other fifth conveying assembly receives the solar cell silicon wafer from the fourth conveying assembly and puts down the solar cell silicon wafer and conveys the solar cell silicon wafer to the third conveying assembly.

To further facilitate the operation, specifically, the number of the third conveying mechanisms is two, and two third conveying mechanisms are provided on both sides of the second conveying mechanism in the conveying direction thereof.

The split type printing machine is characterized in that the two third conveying mechanisms are limited to be arranged on the two sides of the second conveying mechanism along the conveying direction of the second conveying mechanism, so that the two sides of the second conveying mechanism can be operated at the third conveying mechanisms, and the operation position is close to the first conveying mechanism, so that the operation distance is reduced, and the operation is convenient; when the solar cell silicon wafer printing device is specifically arranged, for a third conveying mechanism on one side of a second conveying mechanism, a solar cell silicon wafer to be printed enters a third conveying assembly, then a fifth conveying assembly lifts the solar cell silicon wafer to be printed from the third conveying assembly to receive the solar cell silicon wafer to be printed and conveys the solar cell silicon wafer to be printed to a fourth conveying assembly, and the other fifth conveying assembly receives the solar cell silicon wafer to be printed from the fourth conveying assembly and puts down the solar cell silicon wafer to be printed and conveys the solar cell silicon wafer to be printed to a second conveying assembly; for a third conveying mechanism on the other side of the second conveying mechanism, the printed solar cell silicon wafers are output from the second conveying assembly, then the printed solar cell silicon wafers are lifted up by the fifth conveying assembly from the second conveying assembly to receive the printed solar cell silicon wafers and are conveyed to the fourth conveying assembly, and the printed solar cell silicon wafers are received by the other fifth conveying assembly from the fourth conveying assembly and are conveyed to the third conveying assembly in a laid-down mode.

In addition, in order to save the placing space, in a preferred embodiment, the number of the printer bodies is two, the conveying directions of the first conveying assemblies of the two printer bodies are parallel, and the conveying directions of the second conveying assemblies of the two printer bodies are parallel. When specifically setting up, the transmission direction of the first transmission assembly of two printing machine bodies can be completely parallel, and the transmission direction of the second transmission assembly of two printing machine bodies is completely parallel at this moment, so that split type printing machine has the first conveying mechanism, the second conveying mechanism that are parallel to each other, easy to assemble and operation, the transmission direction of the first transmission assembly of two printing machine bodies can also be roughly parallel, and the transmission direction of the second transmission assembly of two printing machine bodies is roughly or completely parallel at this moment, so that more first transmission assemblies and second transmission assemblies are arranged, and space utilization is improved.

Above-mentioned split type printing machine, the transmission direction through the first transmission subassembly of injecing two printing machine bodies parallels to the transmission direction of the second transmission subassembly of two printing machine bodies parallels, with realize solar cell silicon chip double-line four-rail transmission, and guarantee that two printing machine bodies are shared puts the space less, thereby make compact structure, be applicable to the narrow scene in space, observe and operate when being convenient for to produce. Of course, under the same application scene, the double-line four-rail is passed

The transmission structure can be used for placing more printing film groups, so that the space utilization rate and the production capacity are further improved.

Above-mentioned split type printing machine, four stock form subassemblies are 90 settings at a distance from each other on the revolving stage body, and the stock form direction of motion of each stock form subassembly is tangent with the partial revolving stage body that bears this stock form subassembly, and the direction of delivery of injecing first transmission subassembly and second transmission subassembly is tangent with the revolving stage body respectively, so that the stock form direction of motion that realizes first business turn over station is the same with the direction of delivery of first transmission subassembly, the stock form direction of motion that the second business turn over station is the same with the direction of delivery of second transmission subassembly, and then improve the productivity comparatively conveniently. When the split type printing machine is specifically set, the two roll paper assemblies simultaneously output the solar cell silicon wafers which are printed on the two roll paper assemblies, the two roll paper assemblies simultaneously input the solar cell silicon wafers to be printed on the two roll paper assemblies, at the moment, the other two roll paper assemblies can print the solar cell silicon wafers to be printed on the other two roll paper assemblies, then the rotary table body rotates by a certain angle, the solar cell silicon wafers to be printed on the two roll paper assemblies are printed, the other two roll paper assemblies output the solar cell silicon wafers which are printed on the other two roll paper assemblies, and the other solar cell silicon wafers to be printed enter the rotary table body.

In summary, the split type printing machine provided by the embodiment of the utility model includes a printing machine body, a first base and a second base, wherein the first base and the second base are separately arranged; the printing machine body comprises a printing rotary table, a first printing unit and a second printing unit, wherein the first printing unit and the second printing unit are arranged on two sides of the printing rotary table; the first printing unit is arranged on the first base, and the second printing unit is arranged on the second base. The bases of the back-to-back printing machines of the prior integrated type are separated, so that the front and the back 2 printing machines move respectively without interference, and higher printing precision is achieved. After being divided into 2 printing machines, the device is more convenient to transport and assemble, reduces the transport cost and improves the assembly efficiency.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A split printing press, comprising: the printing machine comprises a printing machine body, a first base and a second base, wherein the first base and the second base are arranged separately;

the first printing unit is arranged on the first base, and the second printing unit is arranged on the second base;

the first printing unit comprises a first printing station, a first in-out station, a first printing mechanism and a first conveying mechanism, and the second printing unit comprises a second printing station, a second in-out station, a second printing mechanism and a second conveying mechanism;

2. The split printing press of claim 1, wherein marble bases are respectively installed under the first and second bases.

3. The split printing press of claim 1, wherein the split printing press has a length dimension of 2400 mm, a width dimension of 2700 mm, and a height dimension of 2290 mm.

4. The split printing press of claim 3, wherein the first and second printing units each have a dimension of 1350 mm in a width direction of the split printing press.

5. The split printing press of claim 1, wherein the press body further comprises at least one third transport mechanism comprising at least one third transport assembly, a fourth transport assembly and two fifth transport assemblies;

6. The split printing press of claim 5, wherein the transport directions of the first transport assembly and the second transport assembly are parallel and the same.

7. The split printing press of claim 6, wherein the printing turret includes a turret body and four roll paper assemblies disposed on the turret body, adjacent two of the roll paper assemblies being spaced apart by 90 degrees, a roll paper movement direction of each of the roll paper assemblies being tangential to the turret body;