CN111994692A

CN111994692A - Non-stop paper caching system for digital printing production line

Info

Publication number: CN111994692A
Application number: CN202011024498.7A
Authority: CN
Inventors: 张翔; 孙阳康; 张子威; 甄惠敏
Original assignee: Nanjing Smart Digital Printing Co ltd
Current assignee: Nanjing Smart Digital Printing Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2020-11-27

Abstract

The utility model relates to a digital printing equipment's field discloses a digital printing production line is with paper buffer memory system that does not shut down, and it includes quick-witted case and sets up buffer memory mechanism, the initiative commentaries on classics roller at quick-witted incasement, buffer memory mechanism is including rotating a plurality of first driven commentaries on classics rollers and a plurality of second driven commentaries on classics roller that sets up at quick-witted incasement, it is a plurality of first driven commentaries on classics roller is located the top of a plurality of second driven commentaries on classics rollers, quick-witted incasement is equipped with the lifting unit who is used for driving the second driven commentaries on classics roller and goes up and down, the one end of machine case is established to the feed end, the other end of machine case is established to the. According to the paper caching method and device, the paper is cached, and the possibility of paper jam of the paper is reduced.

Description

Non-stop paper caching system for digital printing production line

Technical Field

The application relates to the field of digital printing equipment, in particular to a non-stop paper caching system for a digital printing production line.

Background

At present, the printing of paper adopts a digital printing mode, and the digital printing is that an electronic file is directly transmitted to a printing machine by a computer, so that the steps of color separation, makeup, plate making, trial run and the like are eliminated. More simply, the digitized image-text information is recorded on paper or tangible medium by using some technology or process. The digital printer needs to cut the printed paper after printing the paper, and then obtains the final printed product.

In view of the above-mentioned related art, the inventor believes that in the process of cutting paper, the cutting requires a time interval, the printing is continuous, the cutting speed cannot catch up with the printing feeding speed, the printed paper generates a margin between the printing mechanism and the cutting mechanism, and a paper jam phenomenon is easily generated, so that production is failed.

Disclosure of Invention

In order to overcome the defect that production faults are caused by the fact that paper jam easily occurs in the digital printing process, the application provides a non-stop paper caching system for a digital printing production line.

The application provides a paper buffer memory system that does not shut down is used to digital printing production line adopts following technical scheme to obtain:

the utility model provides a digital printing production line is with paper buffer memory system that does not shut down, includes quick-witted case and sets up buffer memory mechanism, the initiative commentaries on classics roller at quick-witted incasement, buffer memory mechanism is including rotating a plurality of first driven commentaries on classics rollers and a plurality of second driven commentaries on classics roller that set up at quick-witted incasement, and is a plurality of first driven commentaries on classics roller is located the top of a plurality of second driven commentaries on classics roller, quick-witted incasement is equipped with the lifting unit who is used for driving the second driven commentaries on classics roller and goes up and down, the one end of machine case is established to the feed end, the other end of machine case is established to.

According to the technical scheme, after the paper is printed, the paper is conveyed towards the cutting mechanism, in the conveying process, the paper enters the box body from the feeding end, sequentially winds between the first driven rotating roller and the second driven rotating roller, winds outside the driving rotating roller and finally moves out of the box body through the discharging end; in this process, the driven roller position that changes of elevating system drive second descends for the interval increase between driven roller and the first driven roller that changes of second is favorable to increasing the paper and is being served as go-between to establish length at the driven roller of second and the first driven roller that changes, plays the effect of buffer memory to the paper, has reduced the paper and has produced the surplus of overlength and take place the possibility of card paper phenomenon between printing mechanism and cutting mechanism, is favorable to the printing and the cutting of paper to go on smoothly.

Preferably: it is a plurality of first driven commentaries on classics roller is located same level, and is a plurality of the driven commentaries on classics roller of second is connected with the connecting plate jointly along axial one end, the driven commentaries on classics roller of second all rotates and connects on the connecting plate, lifting unit includes the cylinder, the cylinder links to each other with the connecting plate for drive a plurality of driven commentaries on classics rollers of second remove along vertical direction, the cylinder sets up in the below of connecting plate and links to each other with quick-witted incasement wall.

Through above-mentioned technical scheme, when the driven commentaries on classics roller of a plurality of seconds of drive is rotatory, the output withdrawal of cylinder, and drive connecting plate position decline, make a plurality of second driven commentaries on classics roller move down along with the connecting plate jointly, thereby be favorable to the interval increase between a plurality of second driven commentaries on classics roller and a plurality of first driven commentaries on classics roller, so that a plurality of second driven commentaries on classics roller and a plurality of first driven commentaries on classics roller strut the paper simultaneously, be favorable to the paper to buffer memory between first driven commentaries on classics roller and second driven commentaries on classics roller.

Preferably: the feeding end of the case is rotatably provided with two guide rollers, and the two guide rollers are arranged at the feeding end of the case at intervals along the vertical direction.

Through the technical scheme, the arrangement of the two guide rollers ensures that the conveying direction of the paper is converted from the horizontal direction to the vertical direction, the paper is turned and guided in the conveying direction, and the paper is conveyed smoothly.

Preferably: the outside of guide roll is equipped with the subassembly that compresses tightly that is used for restricting the paper in the guide roll outside, compress tightly the subassembly and include link, bracing piece and rotate the pinch roller of connection in bracing piece one end, back shaft fixed connection in link and the guide roll, the one end fixedly connected with sleeve of pinch roller is kept away from to the bracing piece, the outside of link is established to the muffjoint, just the torsional spring has set firmly between sleeve and the link, one side laminating mutually that the outside and the paper of pinch roller deviate from the guide roll.

Through above-mentioned technical scheme, the paper is around establishing when the outside at the guide roll, and the pinch roller has played the effect of suppression to the paper for the paper is laminated all the time in the outside of guide roll, has reduced the possibility that the outside pine of paper from the guide roll takes off, is favorable to passing through two guide rolls and conveying smoothly in the quick-witted case. The setting of torsional spring for the interval between pinch roller and the paper is adjustable, and the torsional spring can provide the elastic buffer power for the pinch roller, is favorable to reducing the pinch roller and causes the possibility of suppression deformation to the paper.

Preferably: the outside of quick-witted case is equipped with spacing subassembly at the feed end, spacing subassembly includes two spacing rollers and two connecting blocks, the connecting block links to each other with the outside of quick-witted case, one spacing roller corresponds to rotate and connects on the connecting block, two spacing roller is laminated mutually with paper along width direction's both sides respectively.

Through above-mentioned technical scheme, two spacing rollers are located paper along width direction's both sides respectively, and the paper drives spacing roller rotation at the in-process of conveying and formation rolling friction between the spacing roller for the paper restriction has played limiting displacement to the paper between two spacing rollers, has reduced the possibility that the paper takes place the skew in the data send process.

Preferably: the connecting block is provided with a waist-shaped groove along the length direction, a bolt penetrates through the waist-shaped groove, and one end of the bolt penetrating through the waist-shaped groove is connected to the outer side of the case.

Through the technical scheme, an operator can unscrew the bolt from the outer side of the machine box according to the width of the processed and produced paper, move the connecting block along the length direction through the waist-shaped groove, move the position of the limiting rollers along the horizontal direction until the distance between the two limiting rollers is matched with the width of the paper, and then tighten and fix the bolt again by the operator, so that the position of the connecting block is fixed. Set up like this, the operator of being convenient for adjusts the interval between two spacing rollers according to the width of paper for be applicable to the paper of restriction different width between two spacing rollers, enlarged spacing subassembly's application scope.

Preferably: the fan is arranged at the discharge end of the outer side of the case, and a blowing port of the fan is arranged towards the upper surface of the paper.

Through above-mentioned technical scheme, when the paper was conveyed out from quick-witted incasement, the fan bloied the paper, can play the effect of cooling to the paper to be favorable to the hardness increase of paper.

Preferably: the machine incasement is equipped with dust removal mechanism, dust removal mechanism includes initiative friction roller and driven friction roller, initiative friction roller and driven friction roller all rotate to set up at quick-witted incasement, the initiative friction roller is located the below of driven friction roller and contradicts the friction with driven friction roller, just the initiative friction roller is located the top of first driven commentaries on classics roller, it is gapped between initiative friction roller and the first driven commentaries on classics roller to reserve.

Through above-mentioned technical scheme, conflict friction produces static between initiative friction roller and the driven friction roller, and the paper is changeed the in-process that conveys between roller and the first driven roller at first initiative, from the below process of initiative friction roller, and the initiative friction roller adsorbs the dust on paper surface through the mode that static adsorbs this moment, has played electrostatic precipitator's effect to the paper.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the paper is cached, and the possibility of paper jam caused by overlong paper allowance due to the time difference between the cutting mechanism and the printing mechanism is reduced;

2. the paper is limited, and the possibility of moving and dislocation of the paper in the conveying process is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a feeding end for embodying a chassis in an embodiment of the present application.

Fig. 2 is a schematic structural diagram for embodying the cache mechanism and the dust removal mechanism in the chassis in the embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 1.

Fig. 4 is a schematic structural diagram for showing a connection relationship between the sleeve and the horizontal rod in the embodiment of the present application.

Fig. 5 is an enlarged view of a portion B in fig. 1.

Fig. 6 is a schematic structural diagram of a discharge end for embodying a chassis in an embodiment of the present application.

Reference numerals: 1. a chassis; 11. actively rotating the roller; 12. a feeding end; 13. a discharge end; 2. a caching mechanism; 21. a first driven roller; 22. a second driven roller; 23. a connecting plate; 24. a cylinder; 3. a guide roller; 4. a compression assembly; 41. a horizontal bar; 42. a vertical rod; 43. a support bar; 44. a sleeve; 45. a torsion spring; 46. a pinch roller; 5. a limiting component; 51. a limiting roller; 52. connecting blocks; 521. a waist-shaped groove; 53. a bolt; 6. a mounting frame; 61. a fan; 7. a dust removal mechanism; 71. a driving friction roller; 72. a driven friction roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a non-stop paper caching system for a digital printing production line. Referring to fig. 1, the non-stop paper buffering system includes a cabinet 1, a buffering mechanism 2 disposed in the cabinet 1, and a driving roller 11. The one end of quick-witted case 1 is established to feed end 12, and the other end of quick-witted case 1 is established to discharge end 13, and the roller 11 is changeed in the initiative rotates and sets up in quick-witted case 1 and be close to the position of discharge end 13, and the roller 11 is changeed in the initiative and passes through motor drive rotation, and the feed end 12 of quick-witted case 1 rotates and sets up two guide rolls 3, and two guide rolls 3 set up the feed end 12 at quick-witted case 1 along vertical direction interval.

Referring to fig. 2, printed paper passes through two guide rollers 3, the guide rollers 3 turn the paper in the horizontal direction towards the vertical direction, the paper enters the cabinet 1, passes through the buffer mechanism 2, the buffer mechanism 2 is used for buffering the paper, and meanwhile, the driving rotating roller 11 rotates, so that the paper is conveyed. The paper is buffered in the machine box 1 in the conveying process, so that the time difference between the cutting mechanism and the printing mechanism is reduced, and the paper generates overlong allowance between the cutting mechanism and the printing mechanism, thereby causing the possibility of paper jam.

Referring to fig. 1 and 3, a pressing assembly 4 is arranged on the outer side of the guide roller 3, the pressing assembly 4 is used for limiting paper on the outer side of the guide roller 3, the pressing assembly 4 comprises a connecting frame, a supporting rod 43 and a pressing wheel 46, the connecting frame comprises a horizontal rod 41 and two vertical rods 42, one vertical rod 42 is correspondingly connected to one end of the horizontal rod 41, one end, far away from the horizontal rod 41, of each vertical rod 42 is fixedly connected with a supporting shaft in the guide roller 3, and the horizontal rod 41 is parallel to the guide roller 3.

Referring to fig. 3 and 4, the pinch roller 46 is rotatably disposed at one end of the support rod 43, and the outer side of the pinch roller 46 is attached to the side of the paper sheet facing away from the guide roller 3. One end of the supporting rod 43, which is far away from the pinch roller 46, is fixedly connected with a sleeve 44, the sleeve 44 is sleeved on the outer side of the horizontal rod 41, a torsion spring 45 is fixedly arranged between the sleeve 44 and the horizontal rod 41, the torsion spring 45 is sleeved on the outer side of the horizontal rod 41, one end of the torsion spring 45 is fixedly connected with the outer side wall of the horizontal rod 41, and the other end of the torsion spring 45 is fixedly connected with the inner side wall of the sleeve 44. When the paper is wound on the outer side of the guide roller 3, the pinch roller 46 is attached to the outer side of the paper, so that the paper is attached to the outer side of the guide roller 3, the paper is limited, and the position stability of the paper in the conveying process is enhanced.

Referring to fig. 1 and 5, a limiting assembly 5 is arranged at the feeding end 12 outside the chassis 1, the limiting assembly 5 includes two limiting rollers 51 and two connecting blocks 52, one limiting roller 51 is correspondingly and rotatably connected to one end of the connecting block 52 facing the paper, and the two limiting rollers 51 are respectively located on two sides of the paper along the width direction. A waist-shaped groove 521 is formed in the connecting block 52 along the length direction, a bolt 53 penetrates through the waist-shaped groove 521, and one end of the bolt 53 penetrating through the waist-shaped groove 521 is connected to the outer side of the case 1 through threads.

Referring to fig. 1 and 5, before processing, an operator can adjust the distance between the two limiting rollers 51 according to the width of the paper, unscrew the bolt 53, move the connecting block 52 in the horizontal direction, slide the bolt 53 along the waist-shaped groove 521 until the distance between the two limiting rollers 51 is matched with the width of the paper, and attach the two limiting rollers 51 to the two sides of the paper in the width direction respectively. The two limiting rollers 51 are arranged to limit the paper in the horizontal direction, so that the possibility of position deviation and dislocation of the paper in the conveying process is reduced.

Referring to fig. 2, the buffer mechanism 2 includes a plurality of first driven rollers 21 and a plurality of second driven rollers 22 rotatably disposed in the cabinet 1, the plurality of first driven rollers 21 are disposed above the plurality of second driven rollers 22, the plurality of first driven rollers 21 are disposed at the same level, the plurality of second driven rollers 22 are disposed at the same level, and the first driven rollers 21 and the second driven rollers 22 are disposed in a vertically staggered manner. One end of the plurality of second driven rollers 22 along the axial direction is connected with a connecting plate 23 together, and the second driven rollers 22 are connected on the connecting plate 23 in a rotating mode.

Referring to fig. 2, a lifting assembly for driving the plurality of second driven rollers 22 to lift is arranged in the chassis 1, the lifting assembly includes a cylinder 24, the cylinder 24 is located below the second driven rollers 22, a base of the cylinder 24 is fixed on a bottom wall of the chassis 1, the cylinder 24 is arranged along a vertical direction, and an output end of the cylinder 24 is fixedly connected with the connecting plate 23. The paper is in proper order around establishing first driven commentaries on classics roller 21 and second driven commentaries on classics roller 22, and in transportation process, the output of cylinder 24 retracts, make connecting plate 23 drive a plurality of second driven commentaries on classics roller 22 positions and descend simultaneously, the interval increase between second driven commentaries on classics roller 22 and the first driven commentaries on classics roller 21 this moment, make second driven commentaries on classics roller 22 and first driven commentaries on classics roller 21 can increase around the length of the paper of establishing, thereby played the effect of keeping in temporary to the paper.

Referring to fig. 2, a dust removing mechanism 7 is arranged in the machine box 1, the dust removing mechanism 7 includes a driving friction roller 71 and a driven friction roller 72, the driving friction roller 71 and the driven friction roller 72 are both rotatably arranged in the machine box 1, the driving friction roller 71 is also driven to rotate by another motor, the axial directions of the driving friction roller 71 and the driven friction roller 72 are the same as the axial direction of the first driven rotating roller 21, the driving friction roller 71 is located above the first driven rotating roller 21, and a gap is reserved between the driving friction roller 71 and the first driven rotating roller 21. The driving friction roller 71 and the driven friction roller 72 may be made of felt materials.

Referring to fig. 2, in operation, the driving friction roller 71 rotates, rolling friction is formed between the driving friction roller 71 and the driven friction roller 72, and the outer sides of the driving friction roller 71 and the driven friction roller 72 are abutted against each other, so that static electricity is generated on the outer sides of the driving friction roller 71 and the driven friction roller 72 during the friction process. The paper passes below the driving friction roller 71 in the transmission process, and at the moment, the driving friction roller 71 adsorbs dust on the upper surface of the paper through electrostatic adsorption force, so that the electrostatic dust removal effect on the paper is achieved.

Referring to fig. 6, an installation frame 6 is fixedly arranged on the outer side of the case 1 above the discharge end 13, a fan 61 is arranged on one side of the installation frame 6 facing the outlet end, and a blowing port of the fan 61 is arranged facing the upper surface of the paper. When the paper is conveyed out from the outlet end, the fan 61 blows air to the paper, so that the paper is cooled, the hardness of the paper is favorably improved, and the paper is favorably shaped.

The implementation principle of the non-stop paper caching system for the digital printing production line in the embodiment of the application is as follows:

after being printed, the paper enters the machine box 1 through the feeding end 12 and sequentially winds around the outer sides of the first driven rotating roller 21 and the second driven rotating roller 22 and winds around the outer side of the driving rotating roller 11. The driving roller 11 rotates and drives paper to be transmitted between the first driven roller 21 and the second driven roller 22, meanwhile, the output end of the air cylinder 24 retracts, so that the position of the second driven roller 22 descends, the distance between the first driven roller 21 and the second driven roller 22 is increased, the length of the paper which can be wound between the first driven roller 21 and the second driven roller 22 is increased, the paper is temporarily stored, the possibility of paper jam in the process of entering a cutting procedure is reduced, and smooth processing is facilitated; the end of the paper remote from the infeed end 12 is then conveyed out of the outfeed end 13 and is air-cooled by a fan 61.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims

1. The utility model provides a paper buffer memory system that does not shut down is used to digital printing production line which characterized in that: including quick-witted case (1) and set up caching mechanism (2), the initiative in quick-witted case (1) and change roller (11), caching mechanism (2) are including rotating a plurality of first driven roller (21) and a plurality of second driven roller (22) that change that set up in quick-witted case (1), and are a plurality of first driven roller (21) that change is located the top of a plurality of second driven roller (22) that change, be equipped with the lifting unit who is used for driving second driven roller (22) and goes up and down in quick-witted case (1), the one end of quick-witted case (1) is established into feed end (12), the other end of quick-witted case (1) is established into discharge end (13), initiative roller (11) are rotated and are set up in quick-witted case (1) and are close to the position of discharge end (13).

2. The non-stop paper buffering system for digital printing production line according to claim 1, wherein: it is a plurality of first driven roller (21) of changeing is located same level, and is a plurality of second driven roller (22) of changeing is connected with connecting plate (23) along axial one end jointly, second driven roller (22) of changeing all rotates and connects on connecting plate (23), lifting unit includes cylinder (24), cylinder (24) link to each other with connecting plate (23) for drive a plurality of second driven roller (22) of changeing remove along vertical direction, cylinder (24) set up in the below of connecting plate (23) and link to each other with quick-witted case (1) inner wall.

3. The non-stop paper buffering system for digital printing production line according to claim 1, wherein: the feeding end (12) of the case (1) is rotatably provided with two guide rollers (3), and the two guide rollers (3) are arranged at the feeding end (12) of the case (1) at intervals along the vertical direction.

4. The non-stop paper buffering system for digital printing production line according to claim 3, wherein: the outside of guide roll (3) is equipped with and is used for restricting the compressing tightly subassembly (4) in the guide roll (3) outside with the paper, compress tightly subassembly (4) including link, bracing piece (43) and rotate pinch roller (46) of connection in bracing piece (43) one end, back shaft fixed connection in link and guide roll (3), the one end fixedly connected with sleeve (44) of pinch roller (46) are kept away from in bracing piece (43), the outside of link is established to sleeve (44) cover, just torsional spring (45) have set firmly between sleeve (44) and the link, the outside of pinch roller (46) is laminated mutually with one side that the paper deviates from guide roll (3).

5. The non-stop paper buffering system for digital printing production line according to claim 1, wherein: the outside of quick-witted case (1) is equipped with spacing subassembly (5) in feed end (12), spacing subassembly (5) include two spacing rollers (51) and two connecting block (52), connecting block (52) link to each other with the outside of quick-witted case (1), one spacing roller (51) correspond to rotate to be connected on connecting block (52), two spacing roller (51) are laminated with paper along width direction's both sides respectively mutually.

6. The non-stop paper buffering system for digital printing production line according to claim 5, wherein: waist-shaped groove (521) is formed in the connecting block (52) along the length direction, a bolt (53) penetrates through the waist-shaped groove (521), and one end, penetrating through the waist-shaped groove (521), of the bolt (53) is connected to the outer side of the case (1) through threads.

7. The non-stop paper buffering system for digital printing production line according to claim 1, wherein: a fan (61) is arranged at the discharge end (13) of the outer side of the case (1), and a blowing port of the fan (61) faces the upper surface of the paper.

8. The non-stop paper buffering system for digital printing production line according to claim 1, wherein: be equipped with dust removal mechanism (7) in quick-witted case (1), dust removal mechanism (7) are including initiative friction roller (71) and driven friction roller (72), initiative friction roller (71) and driven friction roller (72) are all rotated and are set up in quick-witted case (1), initiative friction roller (71) are located the below of driven friction roller (72) and are contradicted the friction with driven friction roller (72), just initiative friction roller (71) are located the top of first driven commentaries on classics roller (21), it has the clearance to reserve between initiative friction roller (71) and first driven commentaries on classics roller (21).