CN220841858U

CN220841858U - Green digital printing system

Info

Publication number: CN220841858U
Application number: CN202322812433.4U
Authority: CN
Inventors: 辛悦秋; 陈敬东; 孙付力; 谭瑞民; 吕明川
Original assignee: Qingdao Fourcolor Packaging Co ltd
Current assignee: Qingdao Fourcolor Packaging Co ltd
Priority date: 2023-10-19
Filing date: 2023-10-19
Publication date: 2024-04-26
Anticipated expiration: 2033-10-19

Abstract

The utility model discloses a green digital printing system which comprises a shell, a conveying belt, a fixed conveying mechanism, a suction cleaning mechanism, a printing roller and an adsorption filtering mechanism, wherein a printing channel is arranged at the middle upper part of the shell in a penetrating way, the conveying belt is rotationally arranged at the lower part of the printing channel, the fixed conveying mechanism and the adsorption filtering mechanism are both arranged on the top wall of the shell and are positioned at the upper part of the printing channel, the suction cleaning mechanism is arranged on the rear wall of the shell and is positioned at the upper part of the printing channel, the printing roller is rotationally arranged between two opposite inner walls of the printing channel, an arc plate is fixedly arranged between the two opposite inner walls of the printing channel, adsorption cotton is adhered to the lower surface of the arc plate, and the adsorption cotton is in sliding connection with the circumferential outer wall of the printing roller. The utility model belongs to the technical field of printing, and particularly relates to a green digital printing system which can fixedly convey two ends of paper to prevent suction wind power from driving the paper to shake, can adsorb and filter volatilized ink, and is convenient to replace an adsorption filter plate.

Description

Green digital printing system

Technical Field

The utility model belongs to the technical field of printing, and particularly relates to a green digital printing system.

Background

At present, in terms of printing equipment, the green digital printer has the capability of printing according to requirements, and is arranged in front of the printing machine in the environment-friendly direction, and parts of the green digital printer can be recycled, and meanwhile, the printing machine has the advantages of degradable materials, long service life of the parts, energy conservation, consumption reduction, low noise and the like, so that the green digital printer is increasingly widely used.

In order to ensure the printing quality, dust and debris on the surface of the paper are required to be adsorbed and cleaned by an air pump before printing, but the paper can shake under the influence of wind power, and the final printing quality can be influenced to a certain extent. In addition, the volatilization of the ink can cause a certain threat to the health of people in the printing process, so that the arrangement of the gas filtering mechanism on the printing machine has important significance for improving the printing environment, and the adsorption effect of the filtering adsorption plate of the gas filtering mechanism is gradually reduced along with the increase of the service time, so that the filtering adsorption effect of the gas is influenced.

Disclosure of utility model

Aiming at the situation, in order to make up the existing defects, the utility model provides a green digital printing system which can fixedly convey the two ends of paper to avoid the shaking of the paper driven by suction wind power, can adsorb and filter volatilized ink, and is convenient to replace an adsorption filter plate.

The utility model provides the following technical scheme: the utility model provides a green digital printing system which comprises a shell, a conveying belt, a fixed conveying mechanism, a suction cleaning mechanism, a printing roller and an adsorption filtering mechanism, wherein a printing channel is arranged at the middle upper part of the shell in a penetrating way, the conveying belt is rotationally arranged at the lower part of the printing channel, the fixed conveying mechanism and the adsorption filtering mechanism are both arranged on the top wall of the shell and are positioned at the upper part of the printing channel, the suction cleaning mechanism is arranged on the rear wall of the shell and is positioned at the upper part of the printing channel, the printing roller is rotationally arranged between two opposite inner walls of the printing channel, an arc-shaped plate is fixedly arranged between the two opposite inner walls of the printing channel, adsorption cotton is adhered on the lower surface of the arc-shaped plate and is in sliding connection with the circumferential outer wall of the printing roller, an ink storage box is arranged in the shell, a stirring mechanism is arranged in the ink storage box, the output end of the ink pump is connected with the arc-shaped plate through a liquid outlet pipe, and a heating pipe is arranged on the top wall of the printing channel.

For carrying fixedly to the paper, avoid sucking wind-force to arouse rocking of paper, fixed conveying mechanism is equipped with two sets of, fixed conveying mechanism includes bearing montant, U-shaped mounting bracket and conveying roller, on the roof of printing passageway was located to the bearing montant is fixed, U-shaped mounting bracket links to each other with the lower extreme of bearing montant, the conveying roller rotates and locates in the U-shaped mounting bracket.

Preferably, for better realizing the conveying of the printing paper, a conveying motor is arranged on the side wall of the U-shaped mounting frame, and an output shaft of the conveying motor is connected with the conveying roller.

For realizing the suction cleaning on paper surface, suction cleaning mechanism is located between two sets of fixed conveying mechanism, suction cleaning mechanism includes dust collection box, suction pump, suction tube and suction hood, dust collection box fixed mounting is on the back wall of casing, one side of dust collection box articulates and is equipped with the sealing door, the suction pump is located on the roof of dust collection box, the one end of suction tube links to each other with the roof of dust collection box, the other end of suction tube runs through the back wall of casing and extends to in the printing passageway, the suction tube is located to be connected on the one end of printing passageway and is equipped with multiunit suction branch pipe, the suction hood links to each other with multiunit suction branch pipe's lower extreme.

For carrying out adsorption filtration to the volatile printing ink in the printing process, adsorption filtration mechanism includes adsorption filtration case, adsorption filter plate and fan, adsorption filtration case fixed mounting is on the roof of casing, install adsorption filtration pipe on the roof of casing, adsorption filtration pipe's lower surface is equipped with multiunit adsorption branch pipe, adsorption branch pipe runs through the roof of casing and extends to in the printing passageway, multiunit adsorption branch pipe is along the length direction distribution of printing passageway, multiunit adsorption branch pipe is located the both sides of printing roller, adsorption filtration case's diapire passes through the pipeline with adsorption filtration pipe and links to each other, fan fixed mounting is on adsorption filtration case's roof, the air intake of fan passes through the air-supply line and links to each other with adsorption filtration case's roof, the mounting groove has been seted up on adsorption filtration case's the lateral wall, the spacing groove has been seted up in the outside of mounting groove, the size of spacing groove is greater than the mounting groove, the constant head tank has been seted up on the inner wall of adsorption filtration case, the constant head tank corresponds to locate on the relative both sides wall of adsorption filtration case with the mounting groove, the one end of adsorption filter plate is equipped with the location arch, the other end of adsorption filter plate is equipped with the board and is located the both sides of printing roller, the diapire passes through the pipeline and links to each other, fan fixed mounting plate is equipped with the spacing groove in the outside in the mounting groove, and the spacing groove.

Preferably, at least two groups of adsorption filter plates are arranged in the adsorption filter box.

Further, in order to guarantee the installation stability of adsorbing the filter in adsorbing the rose box, be equipped with fixed establishment on the outer wall of adsorption the rose box, fixed establishment includes protective housing, driving shaft, fixed hand wheel, hold-in range, fixed subassembly and fixed clamp plate, the protective housing is fixed to be located on the outer wall of adsorption the rose box, the driving shaft rotates to be located on the lateral wall of protective housing, the lateral wall that the one end of driving shaft runs through the protective housing extends to outside the protective housing, fixed hand wheel links to each other with the one end that the driving shaft is located outside the protective housing, fixed subassembly corresponds in the both sides of driving shaft and is equipped with two sets of, the hold-in range corresponds with fixed subassembly and is equipped with two sets of, two sets of fixed subassembly links to each other with the driving shaft through two sets of hold-in ranges respectively, fixed clamp plate's both ends link to each other with two sets of fixed subassemblies respectively, fixed clamp plate is located the outside of adsorbing the rose box, the inboard of fixed clamp plate is equipped with fixed briquetting.

Further, the fixed subassembly includes bearing frame and pivot, the bearing frame is equipped with two sets of, two sets of the bearing frame corresponds the lateral wall both ends of locating the adsorption filtration case, the pivot rotates and locates between two sets of bearing frames, one end of pivot runs through a set of bearing frame and extends to the protection incasement, fixed mounting has synchronizing wheel one on the one end that the pivot is located the protection incasement, fixed mounting has synchronizing wheel two on the driving shaft, the both ends of hold-in range are overlapped respectively and are located synchronizing wheel one and synchronizing wheel two, the both ends of pivot are equipped with two sets of screw thread groups that the screw thread direction is opposite, the screw thread group correspondence of fixed clamp plate and pivot is equipped with two sets, the both ends of fixed clamp plate link to each other through the screw thread group of screw thread and two sets of fixed subassembly pivots respectively.

The beneficial effects obtained by the utility model by adopting the structure are as follows: the utility model provides a green digital printing system, which has the following advantages:

(1) The fixed conveying mechanism and the conveying belt are matched to realize the fixed compression type conveying of the two ends of the paper, and the suction cleaning mechanism is matched to suck and clean dust and fragments on the surface of the paper, so that the stable conveying of the paper is ensured, the shaking of the paper due to suction wind force is avoided, and the final printing quality is ensured;

(2) Can adsorb the filtration to the volatile printing ink that produces in printing and the stoving under the effect of absorption filter mechanism to the convenience is installed and is dismantled the absorption filter, and can guarantee the installation stability of absorption filter under fixed establishment's effect.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a left side view of the present utility model;

FIG. 3 is a schematic view showing the internal structure of the adsorption filtration tank of the present utility model;

Fig. 4 is a schematic structural view of the fixing mechanism of the present utility model.

Wherein 1, the casing, 2, the conveyer belt, 3, fixed conveying mechanism, 4, suction cleaning mechanism, 5, the printing roller, 6, adsorption filtration mechanism, 7, the printing channel, 8, the arc, 9, adsorb cotton, 10, the printing ink storage case, 11, the rabbling mechanism, 12, the drain pipe, 13, the heating pipe, 14, the bearing montant, 15, U-shaped mounting bracket, 16, the conveying roller, 17, the conveying motor, 18, the dust collection case, 19, the suction pump, 20, the suction tube, 21, the suction hood, 22, the sealing door, 23, the suction branch pipe, 24, adsorption filtration case, 25, adsorption filtration board, 26, the fan, 27, adsorption filtration pipe, 28, adsorption branch pipe, 29, the air inlet pipe, 30, the positioning boss, 31, the limiting plate, 32, the handle, 33, the protective case, 34, the driving shaft, 35, the fixed hand wheel, 36, the synchronous belt, 37, the fixed pressing plate, 38, the bearing seat, 39, the rotating shaft, 40, fixed pressing block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.

Referring to fig. 1 and 2, this embodiment provides a green digital printing system, which comprises a housing 1, a conveyor belt 2, fixed conveying mechanism 3, suction cleaning mechanism 4, printing roller 5 and adsorption filtration mechanism 6, the middle-upper portion of housing 1 link up and is equipped with printing passageway 7, conveyor belt 2 rotates and locates the lower part of printing passageway 7, conveyor belt 2 is prior art, fixed conveying mechanism 3 and adsorption filtration mechanism 6 are all located on the roof of housing 1 and are located the upper portion of printing passageway 7, can realize the steady fixed transport of paper under the cooperation of fixed conveying mechanism 3 and conveyor belt 2, can realize the adsorption filtration of printing ink volatile gas under the effect of adsorption filtration mechanism 6, the printing environment has been improved, suction cleaning mechanism 4 is located on the back wall of housing 1 and is located the upper portion of printing passageway 7, dust and piece on the paper surface can be cleaned through suction cleaning mechanism 4, printing roller 5 rotates and locates between the relative two inner walls of printing passageway 7, still fixed mounting has 8 between the relative two inner walls of printing passageway 7, the lower surface of arc 8 has adsorption cotton 9, the adsorption cotton 9 is stuck to the lower surface of arc 8, the adsorption cotton 9 is equipped with printing roller 5 and the inner wall 10 is equipped with the printing pump 10 as the printing pump 10, the printing pump 10 is equipped with in the inner wall 10, the scheme of the printing pump 10 is equipped with in the inner wall 10 is equipped with, the printing pump 11 is equipped with, the ink tank is equipped with the ink pump 11 in the storage tank is equipped with the ink pump 11 in the technological scheme of the present, the ink pump is finished, the ink tank is not equipped with the ink tank is equipped with the ink pump 11, the ink tank is equipped with the technical scheme is equipped with the ink pump 11, the printed ink may be dried under the action of the heating pipe 13.

Specifically, referring to fig. 1 and 2, in this embodiment, the fixed conveying mechanism 3 is provided with two groups, the fixed conveying mechanism 3 includes a bearing vertical rod 14, a U-shaped mounting frame 15 and a conveying roller 16, the bearing vertical rod 14 is fixedly arranged on the top wall of the printing channel 7, the U-shaped mounting frame 15 is connected with the lower end of the bearing vertical rod 14, the conveying roller 16 is rotatably arranged in the U-shaped mounting frame 15, and press fixing and conveying of two ends of printing paper can be realized by cooperation of the conveying roller 16 and the conveying belt 2; the side wall of the U-shaped mounting frame 15 is provided with a conveying motor 17, an output shaft of the conveying motor 17 is connected with a conveying roller 16, and the conveying motor 17 can be matched with the conveying belt 2 better to realize active conveying of paper.

Specifically, referring to fig. 1 and 2, in the present embodiment, the suction cleaning mechanism 4 is located between two sets of fixed conveying mechanisms 3, the suction cleaning mechanism 4 includes a dust collection box 18, a suction pump 19, a suction pipe 20 and a suction hood 21, the dust collection box 18 is fixedly mounted on the rear wall of the housing 1, one side of the dust collection box 18 is hinged with a sealing door 22, dust and debris collected in the dust collection box 18 can be cleaned by opening the sealing door 22, the suction pump 19 is arranged on the top wall of the dust collection box 18, one end of the suction pipe 20 is connected with the top wall of the dust collection box 18, the other end of the suction pipe 20 penetrates through the rear wall of the housing 1 and extends into the printing channel 7, a plurality of sets of suction branch pipes 23 are connected to one end of the suction pipe 20 located in the printing channel 7, the suction hood 21 is connected with the lower ends of the plurality of sets of suction branch pipes 23, and dust and debris on paper can be adsorbed and cleaned under the action of the suction pump 19.

Specifically, referring to fig. 1, 3 and 4, in this embodiment, the adsorption filtration mechanism 6 includes an adsorption filtration tank 24, an adsorption filtration plate 25 and a fan 26, the adsorption filtration tank 24 is fixedly installed on the top wall of the housing 1, an adsorption filtration tube 27 is installed on the top wall of the housing 1, a plurality of groups of adsorption branch pipes 28 are provided on the lower surface of the adsorption filtration tube 27, the adsorption branch pipes 28 penetrate the top wall of the housing 1 and extend into the printing channel 7, the plurality of groups of adsorption branch pipes 28 are distributed along the length direction of the printing channel 7, the plurality of groups of adsorption branch pipes 28 are located at two sides of the printing roller 5, the bottom wall of the adsorption filtration tank 24 is connected with the adsorption filtration tube 27 through a pipeline, the fan 26 is fixedly installed on the top wall of the adsorption filtration tank 24, the air inlet of the fan 26 is connected with the top wall of the adsorption filtration tank 24 through an air inlet pipe 29, and the air containing volatile ink in the printing channel 7 can be pumped out under the action of the fan 26, the side wall of the adsorption filtration tank 24 is provided with a mounting groove, the outer side of the mounting groove is provided with a limit groove, the size of the limit groove is larger than that of the mounting groove, the inner wall of the adsorption filtration tank 24 is provided with a locating groove, the locating groove and the mounting groove are correspondingly arranged on the two opposite side walls of the adsorption filtration tank 24, one end of the adsorption filtration plate 25 is provided with a locating boss 30, the other end of the adsorption filtration plate 25 is provided with a limit plate 31, the outer side of the limit plate 31 is provided with a handle 32, the adsorption filtration plate 25 penetrates through the mounting groove to be mounted in the adsorption filtration tank 24, the locating boss 30 is clamped and mounted in the locating groove, the limit plate 31 is clamped and mounted in the limit groove, the gas containing volatile ink in the printing channel 7 can be filtered under the action of the adsorption filtration plate 25, the disassembly and the mounting of the adsorption filtration plate 25 can be realized through the arrangement of the structure, and the adsorption filter plate 25 is convenient to detach and mount by applying force to the adsorption filter plate 25 under the action of the handle 32; the adsorption filter plates 25 are at least provided with two groups in the adsorption filter box 24, and the ink gas adsorption filtering effect is ensured through the cooperation of the two groups or more than two groups of adsorption filter plates 25.

Specifically, referring to fig. 1, 3 and 4, in this embodiment, a fixing mechanism is disposed on an outer wall of the adsorption filtration tank 24, the fixing mechanism includes a protection tank 33, a driving shaft 34, a fixing hand wheel 35, a synchronous belt 36, a fixing component and a fixing pressing plate 37, the protection tank 33 is fixedly disposed on the outer wall of the adsorption filtration tank 24, the driving shaft 34 is rotatably disposed on a side wall of the protection tank 33, one end of the driving shaft 34 extends to the outside of the protection tank 33 through the side wall of the protection tank 33, the fixing hand wheel 35 is connected with one end of the driving shaft 34 located outside the protection tank 33, two groups of fixing components are correspondingly disposed on two sides of the driving shaft 34, two groups of synchronous belts 36 are correspondingly disposed with two groups of fixing components, two ends of the fixing pressing plate 37 are respectively connected with two groups of fixing components, the fixing pressing plate 37 is located outside the adsorption filtration tank 24, a fixing pressing block 40 is disposed on an inner side of the fixing pressing plate 37, when the fixing pressing block 40 moves to an outer side wall of the limiting plate 31 along with the fixing pressing plate 37, the fixing pressing plate 31 can be fixed, and the fixing stability of the adsorption filtration plate 25 in the adsorption filtration tank 24 is ensured; the fixed subassembly includes bearing frame 38 and pivot 39, the bearing frame 38 is equipped with two sets of, two sets of bearing frames 38 correspond to locate the lateral wall both ends of adsorbing the rose box 24, pivot 39 rotates to locate between two sets of bearing frames 38, one end of pivot 39 runs through a set of bearing frame 38 and extends to in the protective housing 33, fixed mounting has the synchronizing wheel one on the one end of pivot 39 in the protective housing 33, fixed mounting has the synchronizing wheel two on the driving shaft 34, the both ends of hold-in range 36 overlap respectively and locate synchronizing wheel one and synchronizing wheel two, can drive pivot 39 rotation simultaneously under the effect of hold-in range 36, the both ends of pivot 39 are equipped with two sets of screw thread groups that the screw thread direction is opposite, the screw thread group of fixed clamp plate 37 and pivot 39 corresponds to be equipped with two sets, the both ends of fixed clamp plate 37 link to each other through the screw thread group of screw thread 39 of two sets of fixed subassembly pivot, under the drive effect of pivot 39 screw thread group, fixed clamp plate 37 realizes corresponding position removal in comparison with adsorbing filter 25.

In particular use, the sheet is fed from the end of the printing path 7 where the fixed transport mechanism 3 is provided. The conveying rollers 16 are driven to rotate under the driving action of the conveying motor 17, smooth and active conveying of paper can be realized through the cooperation of the conveying rollers 16 and the conveying belt 2, and the two ends of the paper are respectively pressed and fixedly conveyed under the cooperation action of the two groups of conveying rollers 16. During the paper transport, dust and debris on the surface of the paper is sucked by the suction pump 19 through the cooperation of the suction pipe 20 and the suction hood 21 and collected in the dust box 18, and can be cleaned periodically by opening the sealing door 22. The printing is then completed by the printing roller 5 and the ink of the printed paper is dried by the heating pipe 13. The volatile ink generated during the printing and drying process is sucked into the adsorption filter box 24 by the fan 26, filtered by the adsorption filter plate 25, and discharged. When the adsorption filter plate 25 needs to be replaced, only the fixed hand wheel 35 is required to be rotated, the rotating shaft 39 can be driven to rotate under the action of the synchronous belt 36, the thread group on the rotating shaft 39 drives the fixed pressing plate 37 to move, the fixed pressing plate 37 drives the fixed pressing block 40 to move away from one side of the limiting plate 31, and the adsorption filter plate 25 can be conveniently pulled out by pulling the handle 32.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a green digital printing system, includes casing, conveyer belt, fixed conveying mechanism, suction clearance mechanism and printing roller, the well upper portion of casing link up and is equipped with the printing passageway, the lower part of printing passageway is located in the conveyer belt rotation, its characterized in that: still including adsorbing filter mechanism, fixed conveying mechanism and adsorption filter mechanism all locate on the roof of casing and are located the upper portion of printing passageway, suction cleaning mechanism locates on the back wall of casing and be located the upper portion of printing passageway, the printing roller rotates and locates between the relative two inner walls of printing passageway, still fixed mounting has the arc between the relative two inner walls of printing passageway, the lower surface of arc is pasted and is adsorbed cotton, adsorb cotton and printing roller's circumference outer wall sliding connection, be equipped with the printing ink storage case in the casing, be equipped with rabbling mechanism in the printing ink storage case, be equipped with the printing ink pump in the printing ink storage case, the output of printing ink pump links to each other with the arc through the drain pipe, install the heating pipe on the roof of printing passageway.

2. A green digital printing system according to claim 1, wherein: the fixed conveying mechanism is provided with two groups, the fixed conveying mechanism comprises a bearing vertical rod, a U-shaped mounting frame and a conveying roller, the bearing vertical rod is fixedly arranged on the top wall of the printing channel, the U-shaped mounting frame is connected with the lower end of the bearing vertical rod, and the conveying roller is rotationally arranged in the U-shaped mounting frame.

3. A green digital printing system according to claim 2, wherein: and the side wall of the U-shaped mounting frame is provided with a conveying motor, and an output shaft of the conveying motor is connected with the conveying roller.

4. A green digital printing system according to claim 3, wherein: the suction cleaning mechanism is located between two groups of fixed conveying mechanisms, the suction cleaning mechanism comprises a dust collecting box, a suction pump, a suction pipe and a suction hood, the dust collecting box is fixedly mounted on the rear wall of the shell, one side of the dust collecting box is hinged to be provided with a sealing door, the suction pump is arranged on the top wall of the dust collecting box, one end of the suction pipe is connected with the top wall of the dust collecting box, the other end of the suction pipe penetrates through the rear wall of the shell and extends into the printing channel, a plurality of groups of suction branch pipes are connected to one end of the suction pipe located in the printing channel, and the suction hood is connected with the lower ends of the plurality of groups of suction branch pipes.

5. A green digital printing system according to claim 1 or 4, wherein: the adsorption filtration mechanism comprises an adsorption filtration box, an adsorption filtration plate and a fan, wherein the adsorption filtration box is fixedly arranged on the top wall of a shell, an adsorption filtration pipe is arranged on the top wall of the shell, a plurality of groups of adsorption filtration pipes are arranged on the lower surface of the adsorption filtration pipe, the adsorption filtration pipes penetrate through the top wall of the shell and extend into a printing channel, a plurality of groups of adsorption filtration pipes are distributed along the length direction of the printing channel, the adsorption filtration pipes are positioned on two sides of a printing roller, the bottom wall of the adsorption filtration box is connected with the adsorption filtration pipes through a pipeline, the fan is fixedly arranged on the top wall of the adsorption filtration box, an air inlet of the fan is connected with the top wall of the adsorption filtration box through an air inlet pipe, an installation groove is formed in the side wall of the adsorption filtration box, a limit groove is formed in the outer side of the installation groove, the size of the limit groove is larger than the installation groove, a locating groove is formed in the inner wall of the adsorption filtration box, locating protrusions are arranged at one ends of the adsorption filtration plate along the length direction of the printing channels, a limit plate is arranged on the other ends of the printing roller, the limit plate is arranged on the outer sides of the limit plate, and the filter plate is connected with the adsorption filtration plate through a handle and the filter plate and is installed in the limit groove.

6. A green digital printing system according to claim 5, wherein: the adsorption filter plate is at least provided with two groups in the adsorption filter box.

7. A green digital printing system according to claim 6, wherein: the utility model discloses a suction filtration case, including the outer wall of suction filtration case, be equipped with fixed establishment on the outer wall of suction filtration case, fixed establishment includes protective housing, driving shaft, fixed hand wheel, hold-in range, fixed subassembly and fixed clamp plate, the protective housing is fixed to be located on the outer wall of suction filtration case, the driving shaft rotates to be located on the lateral wall of protective housing, the lateral wall that the protective housing was run through to the one end of driving shaft extends to outside the protective housing, fixed hand wheel links to each other with the one end that the driving shaft is located outside the protective housing, fixed subassembly corresponds in the both sides of driving shaft and is equipped with two sets of, the hold-in range corresponds with fixed subassembly and is equipped with two sets of, two sets of fixed subassembly links to each other with the driving shaft through two sets of hold-in ranges respectively, the both ends of fixed clamp plate link to each other with two sets of fixed subassemblies respectively, fixed clamp plate is located the outside of suction filtration case, the inboard of fixed clamp plate is equipped with fixed briquetting.

8. A green digital printing system according to claim 7, wherein: the fixed subassembly includes bearing frame and pivot, the bearing frame is equipped with two sets of, two sets of the bearing frame corresponds the lateral wall both ends of locating the adsorption filtration case, the pivot rotates to locate between two sets of bearing frames, one end of pivot runs through a set of bearing frame and extends to the protection incasement, fixed mounting has synchronizing wheel one on the one end that the pivot is located the protection incasement, fixed mounting has synchronizing wheel two on the driving shaft, the both ends of hold-in range are overlapped respectively and are located synchronizing wheel one and synchronizing wheel two, the both ends of pivot are equipped with two sets of screw thread groups that the screw thread direction is opposite, the screw thread group correspondence of fixed clamp plate and pivot is equipped with two sets of, the both ends of fixed clamp plate link to each other with the screw thread group of two sets of fixed subassembly pivots through the screw thread respectively.