CN211542852U

CN211542852U - Digital printing system for high-quality printing

Info

Publication number: CN211542852U
Application number: CN201922029496.6U
Authority: CN
Inventors: 王会
Original assignee: Haining Hualong Paper Products Co ltd
Current assignee: Haining Hualong Paper Products Co ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-09-22
Anticipated expiration: 2029-11-21

Abstract

The utility model relates to a digital printing system of high quality printing, including the prepress system that carries out the design of proof, to carrying out the digital printing machine that prints according to received proof, locating digital printing machine feed inlet department and coiling remain the decoiler of printing paper, comply with the paper moving direction and locate the cleaning device after the decoiler, the utility model discloses cleaning device can carry out dust removal edulcoration work to the paper before the paper prints, possess and can avoid the paper to be stained with dust impurity etc. before printing and then influence the printing, promote the effect of printing quality.

Description

Digital printing system for high-quality printing

Technical Field

The utility model relates to a lithography apparatus especially relates to a digital printing system of high quality printing.

Background

Digital printing as a novel printing system has the advantages of simple process and low cost compared with the traditional printing system. And digital printing systems are generally classified into prepress systems and digital printers.

For example, an improved digital printing apparatus, publication No. CN208789237U, includes a frame, a paper feeding platform disposed on the frame, a supporting frame supported on the paper feeding platform, a paper feeding mechanism for driving paper to be conveyed along the paper feeding platform, a paper pressing device, an ink jetting device, a drying device, and an exhaust device connected to the drying device, which are sequentially disposed above the paper feeding platform along a paper feeding direction of the paper feeding platform; the paper pressing device comprises two guide rods fixed on the support frame respectively, two springs sleeved on the guide rods respectively, two supports connected with the bottom ends of the two springs, and a pressing roller with two ends connected with the supports respectively, the top ends of the two springs are connected with the support frame, and a gap for paper to pass through is formed between the pressing roller and the paper feeding platform.

Above-mentioned technical scheme's paper is from the decoiler roll beginning to print through pressing the paper device to spouting the membrane device again, but the paper itself just probably has some dust impurity for the paper is when printing, and printing quality easily receives the influence.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a digital printing system of high quality printing, it has can remove dust to the paper before the paper prints, promotes the effect of printing quality.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a digital printing system of high quality printing, is including carrying out the prepress system of original draft design, to carrying out the digital printing machine that prints according to received original draft, locate frame, both ends of digital printing machine feed inlet department and rotate and connect in frame both sides wall and the unwinding roller that remains the printing paper of coiling, still including complying with paper moving direction and locating frame position department after unwinding roller and can treating the printing paper and carry out the cleaning device of dust removal edulcoration, cleaning device includes to rotate around self axis and connect in the frame and support two cleaning rollers, twine in the sticky tape of cleaning roller circumference outer wall tightly on the upper and lower surface of paper respectively, cleaning roller central line axis perpendicular to paper moving direction.

Through adopting above-mentioned technical scheme, the paper that treats the printing passes through the cleaning roller earlier, is cleared up the operation by two cleaning rollers to the upper and lower surface of paper for dust impurity that is located the paper surface etc. all can be cleared up the sticky tape adhesion, makes the paper dust magazine etc. can not influence the printing quality of paper when the printing, also avoids dust impurity to go in the interior that enters into digital printing machine along with the paper simultaneously, influences digital printing machine's normal operating.

The utility model discloses further set up to: the frame follows the paper moving direction and is located cleaning roller place ahead and rotates around self axis and is connected with two and supports the negative pressure roller in tight upper and lower surface in the paper respectively, and the frame side is equipped with air intake connection in the negative pressure fan of negative pressure roller one end, and the negative pressure hole that communicates in the negative pressure fan air intake is evenly seted up on negative pressure roller circumference surface.

Through adopting above-mentioned technical scheme, before the clearance sticky tape clears up the work to the paper, by the dust impurity that the negative pressure roller can mostly be siphoned away on the paper surface for the clearance sticky tape can not be infected with too much dust impurity, reduces the intensity of dust removal sticky tape clearance work, makes the clearance sticky tape can be used longer time, removes comparatively frequently and changes from.

The utility model discloses further set up to: the air outlet of the negative pressure fan is connected with an air outlet hose, a dust settling water tank containing water is arranged on the side edge of the rack, and one end, far away from the negative pressure fan, of the air outlet hose is located below the liquid level of the dust settling water tank.

Through adopting above-mentioned technical scheme, the air that the air-out hose will have dust impurity blows in the water among the dust removal water tank and makes dust impurity can not float at will, and green improves indoor operational environment.

The utility model discloses further set up to: the frame has the change frame that is the font along being on a parallel with frame width direction sliding connection, changes the vertical side of frame opening towards the frame, and two cleaning roller one end are all rotated and are connected with along vertical direction sliding connection in the movable block of changing the vertical side of frame, change the frame and install the drive mechanism that can drive the movable block and carry out the removal along vertical direction.

Through adopting above-mentioned technical scheme, drive mechanism drives two cleaning rollers and keeps away from mutually, moves along frame width direction again and changes the frame for change the lateral wall that shifts out the frame, be convenient for change the clearance sticky tape.

The utility model discloses further set up to: the driving mechanism comprises a screw rod which is rotatably connected to the vertical side face of the replacing frame and is vertical, threads on two sides of the screw rod are opposite by taking the central point of the screw rod as a boundary, two moving blocks are in threaded connection with the screw rod, the distance between the two moving blocks and the central point of the screw rod is equal, and an output shaft is fixedly connected to the upper surface of the replacing frame and is coaxially and fixedly connected to a screw motor on the upper end.

Through adopting above-mentioned technical scheme, start the screw motor, the screw motor drives the screw rod and rotates for two movable blocks carry out the relative movement of vertical direction, drive two cleaning rollers then and press from both sides tight paper or keep away from the removal of paper, are convenient for change the dust removal sticky tape.

The utility model discloses further set up to: one end of the replacing frame, which is far away from the vertical side of the replacing frame, is provided with a separation-preventing block which can be abutted against the inner wall of the rack.

Through adopting above-mentioned technical scheme, the anti-disengaging piece can prevent to change the frame and break away from out of the frame completely for when changing the frame and inserting back the frame, need not be in the corresponding installing port of alignment, remove the trouble of installation from.

The utility model discloses further set up to: the frame is on a parallel with self wall thickness and has seted up the fixed slot near the side of changing the vertical side of frame, changes the vertical outer wall of frame and rotates and be connected with the fixed block that can insert the entering fixed slot, changes a frame outer wall and rotates and be connected with coaxial fixed connection in the fixed knob of fixed block.

Through adopting above-mentioned technical scheme, rotate the fixed block and make during the fixed block can peg graft and get into the fixed slot, then make to change the unable removal of frame, ensure at digital printing machine during operation, change the frame and can not remove at will, influence the normal clear of printing.

The utility model discloses further set up to: the cleaning roller is coaxially inserted with a rubber ring cylinder.

Through adopting above-mentioned technical scheme, the rubber ring section of thick bamboo can be dismantled from the cleaning roller for the dust removal sticky tape is convenient for change, and the rubber section of thick bamboo possesses the effect of certain deformability and increase frictional force, makes the paper can drive the cleaning roller better and rotate.

To sum up, the utility model discloses following beneficial effect has at least:

the cleaning rollers are wound with cleaning adhesive tapes, the two cleaning rollers are tightly attached to the upper surface and the lower surface of the paper with printing, the cleaning adhesive tapes can remove dust and impurities on the surface of the paper so as to improve the printing quality of the paper, and meanwhile, the paper is prevented from bringing the dust and impurities into the digital printing machine and entering the internal structure of the digital printing machine to influence the normal work of the digital printing machine;

the cleaning rollers are inserted with rubber circular-ring cylinders, so that paper can be tightly supported by the two cleaning rollers, and the rubber circular-ring cylinders can be detached to replace the cleaning adhesive tapes when the cleaning adhesive tapes are replaced.

Drawings

Fig. 1 is a main structure view of the present invention.

Fig. 2 is a top view at the gantry.

Fig. 3 is a schematic view of the structure within the housing.

Fig. 4 is a schematic view of the structure of the cleaning roller.

In the figure, 2, a digital printer; 3. unwinding the roller; 4. a cleaning device; 41. cleaning the roller; 411. a moving block; 412. a rubber ring cylinder; 413. a sliding cylinder; 43. a negative pressure roller; 431. a negative pressure hole; 44. a negative pressure fan; 441. an air outlet hose; 45. a dust removal water tank; 46. replacing the rack; 461. an anti-separation block; 462. a fixed block; 463. a moving groove; 464. fixing the knob; 465. a pulley; 47. a screw; 471. a screw motor; 5. a frame; 51. fixing grooves; 52. a flat roll; 53. a paper pressing rear roller; 54. the tank is replaced.

Detailed Description

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

A digital printing system for high-quality printing, refer to fig. 1 and 2, including a prepress system for designing a sample and a digital printer 2 for printing according to the received sample, a frame 5 is arranged at a paper inlet of the digital printer 2, one end of the frame 5 far away from the digital printer 2 is rotatably connected with an uncoiling roller 3 parallel to the width direction of the frame 5, a paper to be printed is wound on the uncoiling roller 3, the frame 5 is rotatably connected with two flat rollers 52 parallel to the width direction of the frame 5 and having a certain distance, a rear platen roller 53 parallel to the width direction of the frame 5 is rotatably connected between the paper inlet of the digital printer 2 and the flat roller 52 far away from the uncoiling roller 3 near the bottom of the frame 5, a connecting line of central points of the two flat rollers 52 is horizontal and higher than the rear platen roller 53, the height of the two flat rollers 52 is half of the height of the frame 5, a cleaning device 4 capable of cleaning the printed paper is arranged between the two flat rollers 52 of the frame 5, can get rid of the dust impurity clearance on paper surface through cleaning device 4, promote paper printing quality, avoid the paper to bring dust impurity into among digital printing machine 2 simultaneously, influence digital printing machine 2's normal work.

Referring to fig. 2 and 3, cleaning device 4 includes a replacing groove 54 which is opened on the vertical side of frame 5 and is vertical, replacing groove 54 is opened on the upper portion of frame 5, replacing groove 54 is connected with replacing frame 46 which is concave and upper portion is flush with the upper portion of frame 5 along the width direction of frame 5, replacing frame 46 bottom is connected with two pulleys 465 in rotation, replacing frame 46 vertical side is close to the opening of replacing groove 54, replacing frame 46 one end fixedly connected with two anti-separation blocks 461 which are oppositely arranged, anti-separation blocks 461 can be connected to the inner wall of frame 5 in rotation, replacing frame 46 vertical outer wall is connected with fixing knob 464 in rotation, fixing knob 464 is connected with fixing block 462 in rotation to replacing frame 46 in rotation, replacing groove 54 and replacing frame 46 vertical side which is contacted have been opened with fixing groove 51, fixing block 462 is inserted in fixing groove 51, replacing frame 46 is installed with two vertical sides which are oppositely arranged up and down and parallel to frame 5 towards the vertical side of the paper to be printed The cleaning roller 41 in the width direction is, as shown in fig. 4, a rubber ring cylinder 412 having the same central axis as the cleaning roller 41 is inserted into the surface of the cleaning roller 41, a sliding cylinder 413 slidably connected to the circumferential surface of the cleaning roller 41 along the length direction of the cleaning roller 41 is adhered to the inner wall of the rubber ring cylinder 412, so as to take the rubber ring cylinder 412 off the cleaning roller 41 for replacing the adhesive tape, a driving mechanism capable of driving the two cleaning rollers 41 to move vertically and oppositely is installed on the vertical side surface of the replacing frame 46, the driving mechanism includes a moving groove 463 opened on the vertical side surface of the replacing frame 46, moving blocks 411 slidably connected to the moving groove 463 along the vertical direction are rotatably connected to one ends of the two cleaning rollers 41 close to the vertical side surface of the rack 5, a screw 47 vertically and threadedly connected to the two moving blocks 411 is rotatably connected to the moving groove 463, the screw 47 has opposite thread directions with its central point as a boundary, the two moving blocks 411 are equidistant from the center point of the screw 47, and the top of the replacing frame 46 is fixedly connected with a screw motor 471 which has an output shaft coaxially and fixedly connected with the screw 47. The cleaning devices 4 are oppositely provided in two sets so that the digital printer 2 can perform tape replacement without stopping.

Referring to fig. 2 and 3, the frame 5 is located between the two flat rollers 52 and is located in front of the cleaning roller 41 in accordance with the moving direction of the paper, and two negative pressure rollers 43 respectively abutting against the upper and lower surfaces of the paper to be printed and being parallel to the width direction of the frame 5 are rotatably connected to the frame 5, negative pressure holes 431 are uniformly formed in the circumferential surface of the negative pressure rollers 43, a negative pressure fan 44 with an air inlet communicated with the negative pressure holes 431 is fixedly connected to the side edge of the frame 5, an air outlet hose 441 is hermetically connected to an air outlet of the negative pressure fan 44, a dust removal water tank 45 containing water is fixedly connected to the side edge of the frame 5, and one end of the.

The implementation principle of the embodiment is as follows: when the digital printing machine 2 works, paper comes out from the uncoiling roller 3, passes through the flat roller 52, passes through the negative pressure roller 43 which is arranged at a lower point, then the negative pressure roller 43 at a higher point is recorded, and passes through the two negative pressure rollers 43 in a Z shape, the two negative pressure rollers 43 can suck most of dust impurities on the upper surface and the lower surface of the paper into the dust removal water tank 45, the paper passes through the space between the two abutting cleaning rollers 41 and then enters the paper inlet of the digital printing machine 2 for printing, when one group of cleaning devices 4 needs to replace the adhesive tape, the other group of screw motor 471 is started, the screw motor 471 drives the screw 47 to rotate around the axis of the screw motor, then the moving blocks 411 are driven to approach each other, so that the two cleaning rollers 41 wound with the clean adhesive tape abut against the paper, the screw motor 471 which needs to replace the adhesive tape is started, and the two cleaning rollers 41 which need to replace the, and then, the fixing knob 464 is rotated, so that the fixing block 462 is separated from the fixing groove 51, the replacing frame 46 is moved out from the replacing groove 54, the rubber ring cylinder 412 is taken down, the adhesive tape which needs to be discarded is taken down, the clean adhesive tape is wound on the rubber ring cylinder 412, the rubber ring cylinder 412 is inserted into the cleaning roller 41, the replacing frame 46 is reset and installed, when the other group of cleaning devices 4 need to replace the adhesive tape, the cleaning roller 41 which finishes replacing the adhesive tape is put into use, and the adhesive tape is replaced without stopping the digital printer 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a digital printing system of high quality printing, is including carrying out the prepress system of original draft design, to carrying out digital printing machine (2) printed according to the received original draft, locate frame (5) of digital printing machine (2) paper feed inlet department, both ends rotate and connect in frame (5) both sides wall and coiling unwinding roller (3) that remain the printing paper, its characterized in that: still locate frame (5) including complying with paper moving direction and be located unwinding roller (3) back position department and can treat printing paper and carry out dust removal edulcoration cleaning device (4), cleaning device (4) including rotating around self axis and connecting in frame (5) and support two cleaning roller (41) of tight in paper upper and lower surface respectively, twine in the sticky tape of cleaning roller (41) circumference outer wall, cleaning roller (41) central line axis perpendicular to paper moving direction.

2. A high quality printed digital printing system as claimed in claim 1, wherein: frame (5) are followed paper moving direction and are located cleaning roller (41) the place ahead and are rotated around self axis and be connected with two and support respectively in negative pressure roller (43) of paper upper and lower surface, frame (5) side is equipped with negative pressure fan (44) of air intake connection in negative pressure roller (43) one end, and negative pressure hole (431) that communicate in negative pressure fan (44) air intake are evenly seted up on negative pressure roller (43) circumferential surface.

3. A high quality printed digital printing system as claimed in claim 2, wherein: the air outlet of the negative pressure fan (44) is connected with an air outlet hose (441), the side edge of the frame (5) is provided with a dust removal water tank (45) containing water, and one end, far away from the negative pressure fan (44), of the air outlet hose (441) is located below the liquid level of the dust removal water tank (45).

4. A high quality printed digital printing system as claimed in claim 1, wherein: frame (5) have along being on a parallel with frame (5) width direction sliding connection to be change frame (46) that is the font of character cut in bas-relief, change frame (46) opening towards the vertical side of frame (5), two cleaning roller (41) one end all rotate be connected with along vertical direction sliding connection in change frame (46) vertical side's movable block (411), change frame (46) and install the drive mechanism that can drive movable block (411) and move along vertical direction.

5. A high quality printed digital printing system as claimed in claim 4, wherein: the driving mechanism comprises a vertical screw (47) which is rotatably connected to the vertical side face of the replacing frame (46), threads on two sides of the screw (47) are opposite by taking the center point of the screw as a boundary, two moving blocks (411) are in threaded connection with the screw (47) and the distance between the two moving blocks (411) and the center point of the screw (47) is equal, and a screw motor (471) with an output shaft which is fixedly connected to the upper surface of the replacing frame (46) is coaxially and fixedly connected to the upper end of the screw (47).

6. A high quality printed digital printing system as claimed in claim 4, wherein: one end of the replacing frame (46) far away from the vertical side of the replacing frame is provided with an anti-disengaging block (461) which can be abutted against the inner wall of the rack (5).

7. A high quality printed digital printing system as claimed in claim 4, wherein: frame (5) are on a parallel with self wall thickness and have seted up fixed slot (51) near the side of changing the vertical side of frame (46), change frame (46) and rotate and be connected with fixed block (462) that can insert and get into fixed slot (51), change frame (46) outer wall and rotate and be connected with coaxial fixed connection in fixed block (462) fixed knob (464).

8. A high quality printed digital printing system as claimed in claim 1, wherein: the cleaning roller (41) is coaxially inserted with a rubber ring cylinder (412).