CN219769388U

CN219769388U - Printing machine capable of recycling printing ink

Info

Publication number: CN219769388U
Application number: CN202321282385.6U
Authority: CN
Inventors: 陈伟根; 陈晓维; 庞林峰
Original assignee: Wujiang Xiaowei Packaging Co ltd
Current assignee: Wujiang Xiaowei Packaging Co ltd
Priority date: 2023-05-25
Filing date: 2023-05-25
Publication date: 2023-09-29
Anticipated expiration: 2033-05-25

Abstract

The utility model relates to the technical field of printing machines, in particular to a recycling printing machine, which comprises a cavity II, wherein a cavity I which is concave downwards is formed at the upper end of the cavity II, an opening of the cavity I penetrates left and right, a printing roller for printing is rotationally connected at the opening of the cavity I, a recycling mechanism is arranged on the inner wall of the cavity I, the recycling mechanism comprises a static component and a dynamic component, the static component drives printing ink to enter an ink recycling position from an inking position by utilizing the viscosity of the printing roller and the printing ink, and the dynamic component transfers the printing ink to the inking position from the ink recycling position; according to the utility model, the printing roller is utilized to drive the printing ink at the bottom of the cavity to move during rotary printing, the printing ink stuck on the printing roller is scraped by the scraping plate and is put into the collecting cavity, the printing ink is sprayed onto the printing roller through the diaphragm pump, the circulation is completed, and the liquid level of the printing ink is kept inclined under the influence of viscosity and self gravity, so that the stirring of the printing ink is realized.

Description

Printing machine capable of recycling printing ink

Technical Field

The utility model relates to the technical field of printers, in particular to a recycling ink printer.

Background

The main principle of the printing machine is that the ink is coated on the character and image parts of a specially made printing plate and then directly or indirectly transferred to paper or other printing stock, so that the same printed matter as the printing plate is copied.

The utility model discloses a gravure press of prior art publication No. CN104842631B prevents condensation circulation ink system, scrapes down the ink skin on the inking roller through the doctor blade, and rethread ink pump drives the flow of the interior printing ink of ink dish, but can exist dead angle part liquid level in the ink dish and can not flow when in actual use, and then forms the ink skin, and inking roller sticks the ink skin and is scraped back ink skin and can not dissolve for the ink skin piles up in the ink dish, and then influences printing quality.

Therefore, it is necessary to recycle the ink printer to solve the problem that the ink sheet of the printer affects the printing quality.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a recycling ink printer, ink after inking a printing roller is transferred into a cavity II for storing the ink through a static component, and the ink in the cavity II is pumped out and inking is carried out through a dynamic component, so that the ink can be ensured to be in a flowing state at any time, and the surface of the ink can not be solidified.

The technical aim of the utility model is realized by the following technical scheme: this cyclic utilization printing ink machine, including cavity two, cavity two upper ends have been seted up undercut cavity one, run through about cavity one opening part, cavity one opening part rotates and is connected with the printing roller that is used for the printing, cavity one inner wall is equipped with circulation mechanism, circulation mechanism includes static subassembly and dynamic subassembly, static subassembly utilizes the stickness of printing roller and printing ink to drive printing ink from inking position entering printing ink circulation position, dynamic subassembly shifts printing ink to inking position from printing ink circulation position.

Through adopting above-mentioned technical scheme, when the printing roller prints, utilize the stickness of printing roller and printing ink to drive printing ink and take place to remove from cavity one in, the rethread static subassembly will receive printing roller towed printing ink to transfer to the printing ink circulation position, and the dynamic subassembly then shifts the printing ink of printing ink circulation position to the printing roller on to inking, accomplish the circulation of printing ink.

The utility model is further provided with: the static assembly comprises a scraping plate fixedly arranged at an opening of the cavity, a collecting cavity is formed in the position, outside the cavity, of the second cavity, the collecting cavity is communicated with the opening of the cavity, two symmetrical openings exist, one opening is arranged right below the scraping plate, and ink stained on the roller surface of the printing roller is scraped to the opening of the collecting cavity by the side of the scraping plate and the edge of the bottom surface.

Through adopting above-mentioned technical scheme, when printing roller drives printing ink on a diapire of cavity and removes, utilize the public limit of scraper blade side and bottom surface to scrape the printing ink that receives printing roller traction, and printing ink falls into after being scraped and collect the intracavity, and collect the other opening in chamber and can ensure to collect the intracavity and external atmospheric pressure stable, realize the transfer of printing ink from cavity one to collecting the chamber after printing roller inking finishes, increase the mobile performance of printing ink and reduce the production of ink skin, and then increase printing quality, also reduced the production of waste ink, effectively reduced the emission of toxic harmful substance.

The utility model is further provided with: the dynamic component comprises a first cavity body which is fixedly arranged at the lower end of a second cavity body, a second cavity body which is communicated with the collecting cavity is formed in the first cavity body, a diaphragm pump is fixedly arranged on the inner wall of the second cavity body, an outlet pipeline of the diaphragm pump extends to an opening position of the first cavity body through an outer environment, a spray head for providing ink is fixedly arranged on the outlet pipeline of the diaphragm pump, a plurality of openings which are uniformly distributed along the axis direction of the printing roller are formed in the spray head, and the spray head is located on one side, far away from the scraping plate, of the printing roller.

Through adopting above-mentioned technical scheme, get into the printing ink reentrant cavity in the collection chamber in, in pumping the shower nozzle with the printing ink in the cavity is two through the diaphragm pump, the shower nozzle is through its opening to printing roller surface blowout even printing ink, realizes preliminary inking, and then accomplishes complete printing ink circulation, increases the mobility of printing ink.

The utility model is further provided with: the bottom surface of the scraping plate is an arc surface, the angle of the arc surface away from the printing roller is perpendicular to the plane of the opening of the collecting cavity, and the distance between the side surface of the scraping plate and the roller surface of the printing roller is gradually reduced from bottom to top.

Through adopting above-mentioned technical scheme, through the cambered surface structure of scraper blade bottom surface, the printing ink of scraping down on with the printing roller removes along the scraper blade cambered surface, breaks away from the cambered surface when removing the one end that the printing roller was kept away from to the cambered surface, and printing ink receives gravity influence whereabouts again to fall into along collecting the intracavity and accomplish the break away from of unnecessary printing ink on the printing roller along collecting chamber open position, and shower nozzle side and the printing roller roll face gradually reduced distance can be with the printing ink of printing on the printing roller roll face again strickle, guarantees printing quality.

The utility model is further provided with: the bottom surface of the cavity is arc and coaxial with the printing roller, and a gap exists between the printing roller and the bottom wall of the cavity.

Through adopting above-mentioned technical scheme, utilize a bottom surface of cavity and the same and structure setting that is close to of printing roller radian for there is less clearance between printing roller roll surface and the bottom wall of cavity, place a part of printing ink in a cavity bottom, utilize the stickness between printing roller and the printing ink to drive wherein printing ink and follow printing roller and remove, because printing ink receives gravity influence, printing ink that keeps away from printing roller roll surface can drop when rising certain height, the printing ink of lower position can be driven by the printing roller and rise, make the printing ink liquid level of a cavity bottom have the contained angle with the horizontal plane all the time, and printing ink is in chaotic state all the time at whole in-process, make printing ink surface can not have the ink skin, ensure printing quality.

The utility model is further provided with: the bottom wall of the cavity is communicated with the collecting cavity through two through grooves, and the two through grooves are respectively positioned on two sides of the printing roller, wherein the height of the through groove close to the scraping plate is larger than that of the other through groove.

Through adopting above-mentioned technical scheme, when the rotatory printing of printing roller, the printing ink liquid level of cavity one bottom can keep certain contained angle with the horizontal plane, and stickness is different when printing ink is dry or dilutes, and its contained angle is great when printing ink viscosity is great, and printing ink rises certain height promptly, and the printing ink that the stickness is great lets in to collect the intracavity through the logical groove that is close to the scraper blade simultaneously, and the printing ink that the stickness is less then can be in lower position and lets in to collect the intracavity through the logical groove that keeps away from the scraper blade, guarantees that printing ink of cavity one bottom is in normal state all the time.

The utility model is further provided with: the brush rod is fixedly arranged at the position of the opening of the cavity, the brush rod is bent in a "<" shape to be attached to the roller surface of the printing roller, a gap exists, the brush rod is positioned below the spray head, the tip of the brush rod points to the spray head, the section of the brush rod in the direction of the end face of the printing roller is inclined in the direction of upwards leaving the printing roller, and the positions of the two ends of the brush rod are positioned between the two through grooves.

Through adopting above-mentioned technical scheme, utilize the structure of brush-holder stud to spout the shower nozzle to the printing ink of printing roller along the brush-holder stud centre to the even dispersion in both ends direction on printing roller roll surface, guarantee simultaneously that the printing ink can not fall into cavity an inner wall on the right side of logical groove, prevent that the printing ink that gets into in cavity one from directly flowing out from logical groove, ensure the supply of fresh printing ink in the cavity one, further increase the inking quality of printing roller, also prevent that the dry ink skin of ink surface from appearing.

In summary, the utility model has the following beneficial effects:

the printing roller is utilized to drive the ink at the bottom of the cavity to move when in rotary printing, the ink stuck on the printing roller is scraped by the scraping plate and is put into the collecting cavity, a part of ink in the cavity is driven to enter the collecting cavity through the two through grooves, screening and confusion of the ink at the bottom of the cavity are completed, the ink with different quality is screened out and recovered, the ink can be ensured to be in a moving state at all times, the ink skin is prevented from appearing on the surface of the ink, the inking effect and the printing quality are improved, the ink is transferred onto the printing roller through the diaphragm pump, the circulation of the ink is completed, the service life of the ink is prolonged, and the waste ink is reduced.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of a second chamber according to the present utility model;

FIG. 4 is a schematic view of a printing roll according to the present utility model;

fig. 5 is a schematic view of the structure of the brush bar according to the present utility model.

In the figure:

11. a first cavity; 12. a second cavity; 13. a collection chamber; 14. a first cavity; 15. a through groove; 16. a cavity II; 17. a diaphragm pump; 18. a spray head; 19. a scraper; 20. a printing roller; 21. a brush bar.

Detailed Description

The present utility model will be described in detail below with reference to the drawings in the embodiments of the present utility model.

Examples:

this cyclic utilization printing ink machine, as shown in fig. 1-3, including cavity two 12, cavity two 14 of undercut has been seted up to cavity two 12 upper ends, cavity one 14 opening part runs through about, cavity one 14 opening part rotates and is connected with the printing roller 20 that is used for the printing, cavity one 14 inner wall is equipped with circulation mechanism, circulation mechanism includes static subassembly and dynamic subassembly, static subassembly utilizes the stickness of printing roller 20 and printing ink to drive printing ink from inking position entering printing ink circulation position, dynamic subassembly shifts printing ink to inking position from printing ink circulation position, static subassembly includes the scraper 19 of setting firmly in cavity one 14 opening part, cavity two is located cavity one 14 outside position on 12 and has seted up collecting chamber 13, collecting chamber 13 and cavity one 14 opening part intercommunication and have two symmetrical openings, wherein one opening part is located scraper 19 under, the common limit of printing roller 20 roll face of side and bottom surface is scraped down to collecting chamber 13 opening part, dynamic subassembly is including setting firmly in cavity one 11 of cavity two 12 lower extreme, set up in cavity one 11 and be equipped with two cavity 16 and be equipped with the diaphragm pump 17 of the even pump of the same size in the cavity one side of cavity two opening parts of cavity two 16, the diaphragm pump 17 is equipped with in the cavity one side of cavity one end is located the diaphragm pump 17, the diaphragm pump 17 is located in the opening of the cavity one end of cavity one end is located the cavity one end of cavity 17, the diaphragm pump 17 is far away from the printing roller 17, the diaphragm pump 17 is located in the opening of the printing position of the cavity one end is located in the cavity one end, and is located the diaphragm 18, and is far from the diaphragm pump 18.

As shown in fig. 4, the bottom surface of the scraper 19 is an arc surface, the arc surface is perpendicular to the plane of the opening of the collecting chamber 13 at an angle away from the printing roller 20, and the distance between the side surface of the scraper 19 and the roller surface of the printing roller 20 gradually decreases from bottom to top.

As shown in fig. 2 to 3, the bottom surface of the first cavity 14 is circular arc and is coaxial with the printing roller 20, a gap exists between the printing roller 20 and the bottom wall of the first cavity 14, the bottom wall of the first cavity 14 is communicated with the collecting cavity 13 through two through grooves 15, the two through grooves 15 are respectively positioned at two sides of the printing roller 20, and the height of the through groove 15 close to the scraping plate 19 is larger than that of the other through groove 15.

As shown in fig. 4 to 5, the first cavity 14 is provided with a brush bar 21, the brush bar 21 is bent in a "<" shape to fit the roller surface of the printing roller 20, and a gap exists, the brush bar 21 is located below the spray head 18, the tip of the brush bar 21 points to the spray head 18, the section of the brush bar 21 in the direction of the end surface of the printing roller 20 is inclined in the direction away from the printing roller 20 upwards, and the positions of the two ends of the brush bar 21 are located between the two through grooves 15.

Firstly, the ink in the cavity II 16 is pumped into the spray head 18 through the diaphragm pump 17, then the ink is sprayed to the roller surface of the printing roller 20 through the opening on the spray head 18, the printing roller 20 is driven to rotate through an external motor, then the ink is remained between the brush rod 21 and the printing roller 20 through the structure of the brush rod 21, the ink is completely applied when the printing roller 20 rotates, the excessive ink flows down to the bottom of the cavity I14 from the two ends of the brush rod 21, a certain ink quantity is formed at the bottom of the cavity I14, the printing roller 20 is contacted with the ink in the cavity I14, the ink applying effect is further increased, meanwhile, the ink in the cavity I14 is driven to move through the viscosity between the printing roller 20 and the ink, the ink is separated from the roller surface of the printing roller 20 under the influence of gravity during rising, and the ink at a low height is driven by the viscosity of the printing roller 20 to continuously rise, the ink level in the first cavity 14 always forms an included angle with the horizontal plane, the ink with higher viscosity is pulled to move to the position of the through groove 15 at the left end and flows out, the ink with lower viscosity falls to the position of the through groove 15 at the right end and flows out under the influence of gravity, after the roll surface of the printing roll 20 is stained with the ink, more ink on the roll surface of the printing roll 20 is scraped off through the scraping plate 19, the smooth ink on the roll surface of the printing roll 20 is ensured through the side surface of the scraping plate 19, the ink is transferred to one opening of the collecting cavity 13 through the bottom surface of the scraping plate 19, and the ink entering the collecting cavity 13 flows into the second cavity 16 under the influence of gravity, so that circulation is realized, and the other opening of the collecting cavity 13 is used for ensuring that the air pressure inside and outside the collecting cavity 13 is consistent, and the ink can flow into the second cavity 16 is ensured.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a cyclic utilization printing ink machine, includes cavity two (12), cavity two (12) upper end has been seted up first (14) of undercut, run through about cavity one (14) opening part, its characterized in that: the printing device is characterized in that a printing roller (20) for printing is rotationally connected to the opening of the first cavity (14), a circulation mechanism is arranged on the inner wall of the first cavity (14), the circulation mechanism comprises a static component and a dynamic component, the static component drives ink to enter an ink circulation position from an inking position by using the viscosity of the printing roller (20) and the ink, and the dynamic component transfers the ink from the ink circulation position to the inking position.

2. The recycling ink printer according to claim 1, wherein: the static assembly comprises a scraping plate (19) fixedly arranged at the opening of the first cavity (14), a collecting cavity (13) is formed in the position, outside the first cavity (14), of the second cavity (12), the collecting cavity (13) is communicated with the opening of the first cavity (14) and two symmetrical openings exist, one opening is located under the scraping plate (19), and the common edge of the side face and the bottom face of the scraping plate (19) scrapes ink stained on the roll surface of the printing roll (20) to the opening of the collecting cavity (13).

3. The recycling ink printer according to claim 2, wherein: the dynamic assembly comprises a first cavity (11) fixedly arranged at the lower end of a second cavity (12), a second cavity (16) communicated with the collecting cavity (13) is formed in the first cavity (11), a diaphragm pump (17) is fixedly arranged on the inner wall of the second cavity (16), an outlet pipeline of the diaphragm pump (17) extends to the opening position of the first cavity (14) through the outer environment, a spray head (18) for providing ink is fixedly arranged on the outlet pipeline of the diaphragm pump (17), a plurality of openings uniformly distributed along the axis direction of the printing roller (20) are formed in the spray head (18), and the spray head (18) is located on one side, far away from the scraping plate (19), of the printing roller (20).

4. A recycling ink printer according to claim 3, characterized in that: the bottom surface of the scraping plate (19) is an arc surface, the angle of the arc surface away from the printing roller (20) is perpendicular to the opening plane of the collecting cavity (13), and the distance between the side surface of the scraping plate (19) and the roller surface of the printing roller (20) is gradually reduced from bottom to top.

5. A recycling ink printer according to claim 3, characterized in that: the bottom surface of the first cavity (14) is arc-shaped and coaxial with the printing roller (20), and a gap exists between the printing roller (20) and the bottom wall of the first cavity (14).

6. A recycling ink printer according to claim 3, characterized in that: the bottom wall of the first cavity (14) is communicated with the collecting cavity (13) through two through grooves (15), and the two through grooves (15) are respectively positioned on two sides of the printing roller (20), wherein the height of the through groove (15) close to the scraping plate (19) is larger than that of the other through groove (15).

7. According to claim6The cyclic utilization printing ink printing machine, its characterized in that: a brush rod (21) is fixedly arranged at the opening position of the first cavity (14), and the brush rod (21) is arranged at the opening position of the second cavity "<A gap exists between the roller surfaces of the printing roller (20) which is bent and attached in a shape, the brush rod (21) is positioned below the spray head (18) and the tip of the brush rod (21) points to the spray head (18), and the brush rod (21) is arranged on the printing rollerThe section of the end face direction of the brush roll (20) is inclined in a direction upwards away from the printing roll (20), and the positions of the two ends of the brush rod (21) are located between the two through grooves (15).