CN213707233U

CN213707233U - Digital printing machine with crease-resist structure

Info

Publication number: CN213707233U
Application number: CN202022677932.3U
Authority: CN
Inventors: 顾锦源
Original assignee: Wuxi Haiboyuan Packaging Technology Co ltd
Current assignee: Wuxi Haiboyuan Packaging Technology Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-16
Anticipated expiration: 2030-11-18

Abstract

The utility model belongs to the technical field of printing machine and specifically relates to a digital printing machine with crease-resistance structure is related to, it includes the printing machine body, fixedly connected with mounting panel on the printing machine body, the installation is located paper feed inlet department, be provided with the crease-resistance subassembly on the mounting panel, the crease-resistance subassembly includes that a plurality of groups rotate the crease-resistance roller set of connection on the mounting panel, rotate the crease-resistance pole of connecting on the mounting panel, set up and be used for driving crease-resistance roller set and crease-resistance pole pivoted drive arrangement on the mounting panel, the crease-resistance roller set includes two parallel arrangement's crease-resistance roller, two crease-resistance roller mutually opposite directions in the same group crease-resistance roller set rotate, the rotation direction mutually perpendicular of crease-resistance roller and crease. This application has the crease-resistance wheel and rotates outwards, and to the outside frictional force of both sides for the paper, levels the paper area, reduces the possibility of paper fold when getting into the printing machine, improves the printing quality's of printing machine effect.

Description

Digital printing machine with crease-resist structure

Technical Field

The application relates to the field of printing machines, in particular to a digital printing machine with a crease-resist structure.

Background

The digital printer breaks through the technical bottleneck of digital printing, and realizes printing one by one in real sense without plate making and full-color image completion at one time. Compared with the traditional printing system, the printing system has the advantages of extremely low printing cost and high printing quality, is economical and convenient, has extremely less system investment, digital operation mode and limited space occupation, has larger market prospect, and is a replacement product of the traditional printing machine.

Chinese patent with publication number CN108466484A discloses a digital printer, which comprises a frame, a printing cart arranged on the frame, a working platform and a conveying mechanism, wherein the frame comprises a first side plate, a second side plate opposite to the first side plate, a first lower side plate and a second lower side plate opposite to the first lower side plate, the first side plate and the second side plate jointly enclose to form an accommodating space, the working platform is located above the accommodating space, the conveying mechanism is used for conveying paper, the conveying mechanism comprises a paper feeding roller, a transition roller, a first tensioning roller, a first guide roller, a tension roller, a rubber roller, a first expanding roller, a second tensioning roller, a second guide roller and a paper collecting roller, the paper feeding roller, the transition roller, the first tensioning roller, the first guide roller, the tension roller, the rubber roller, the first expanding roller, the second tensioning roller and the second guide roller are accommodated in the accommodating space.

In view of the above-mentioned related art, the inventor believes that when the digital printer tensions the paper, wrinkles occurring in the width direction of the paper, and the wrinkles are partially transferred into the printer, which may affect the printing quality of the paper.

SUMMERY OF THE UTILITY MODEL

In order to improve the defect that digital printing machine can't effectively reduce the fold of paper along paper width direction, this application provides a digital printing machine with crease-resist structure.

The application provides a digital printing machine with crease-resist structure adopts following technical scheme:

the utility model provides a digital printing machine with crease-resist structure, includes the printing machine body, fixedly connected with mounting panel on the printing machine body, the mounting panel is located paper feed inlet department, be provided with the crease-resist subassembly on the mounting panel, the crease-resist subassembly includes that a plurality of groups rotate the crease-resist roller set of connection on the mounting panel, rotate the crease-resist pole of connecting on the mounting panel, set up and be used for driving crease-resist roller set and crease-resist pole pivoted drive arrangement on the mounting panel, every group the crease-resist roller set includes two crease-resist rollers about printing machine body width direction parallel arrangement, two crease-resist roller mutually opposite directions in the same group crease-resist roller set, the width direction setting of crease-resist pole along the printing body, the rotation direction mutually perpendicular of crease-resist roller and crease-resist pole, the shaft and.

Through adopting above-mentioned technical scheme, set up the crease-resistance subassembly on the mounting panel, carry out the crease-resistance to the paper of process through crease-resistance pole and crease-resistance roller on the crease-resistance subassembly, two mutually supported pivoted crease-resistance rollers are contradicted with the paper bottom surface, and the crease-resistance pole drives the crease-resistance roller in the pivoted and rotates, and to the outside frictional force of both sides for the paper, with paper area level and smooth, reduce the possibility of paper fold when getting into the printing machine, improve the printing effect of printing machine.

Optionally, drive arrangement is including rotating the worm, rotate and connect on the mounting panel and rotate worm wheel, the fixed connection who meshes with the worm on the mounting panel and be used for driving worm pivoted driving motor on the mounting panel, worm wheel fixed connection is on crease-resist roller, the worm sets up along the direction that is on a parallel with the crease-resist pole, the coaxial fixed connection with the crease-resist pole of worm.

Through adopting above-mentioned technical scheme, the motor drive worm rotates, and the worm rotates and drives worm wheel rotation with worm meshing simultaneously, and the worm wheel rotates and drives the crease-resistance roller and rotates, carries out crease-resistance to the paper of process and handles, worm and crease-resistance pole parallel arrangement and with crease-resistance pole fixed connection, when the worm rotates, crease-resistance pole and the coaxial fixed rotation of worm make paper transportation and crease-resistance go on simultaneously, have improved crease-resistance efficiency.

Optionally, spiral strips are arranged on the crease-resistant rod, the spiral strips are symmetrically arranged about the center of the rotating block, and the spiral strips rotate towards two ends of the crease-resistant rod when the rotating block rotates.

Through adopting above-mentioned technical scheme, set up the spiral strip of symmetry on crease-resistance pole, can rotate when transporting the paper at crease-resistance pole, through the friction of spiral strip and paper, make the paper become level and smooth to the outside tension of paper, improve the effect of crease-resistance subassembly to the paper crease-resistance.

Optionally, one end, far away from the anti-wrinkling rod, of the spiral strip is provided with a cambered surface.

Through adopting above-mentioned technical scheme, set up the cambered surface on the helical strip, can conflict the paper at the helical strip, through cambered surface contact paper, cause the possibility of harm to the paper when reducing the friction.

Optionally, two the mounting panel is close to relative one side and has seted up the swivelling chute, two swivelling chute on the mounting panel sets up relatively, the rotatory piece of spread groove internal rotation connection, fixedly connected with connecting rod on the rotatory piece, rotate on the connecting rod and connect first tensioning roller, rotate on the mounting panel and connect second tensioning roller, second tensioning roller is located first tensioning roller is close to printing machine body one side.

Through adopting above-mentioned technical scheme, the connecting rod rotates to be connected in the swivelling chute, rotates at connecting rod one end and connects first tensioning roller, can adjust the position of first tensioning roller through rotating the connecting rod to adjust the tensioning degree of the paper that gets into the printing machine body, improve the printing effect of paper.

Optionally, the mounting panel is located spread groove and has seted up the perforation all around, wear to establish the bolt in the perforation, the bolt cooperation of pegging graft is in the connecting rod.

Through adopting above-mentioned technical scheme, set up the perforation all around at the swivelling chute, the bolt is worn to establish in the perforation, and the bolt cooperation of pegging graft can spacing connecting rod in the connecting rod, makes the connecting rod spacing after first tensioning roller tensioning, improves the efficiency of first tensioning roller tensioning.

Optionally, the mounting panel is close to first tensioning roller one end and has been seted up the elasticity groove, sliding connection sliding block in the elasticity groove, rotate on the sliding block and connect the leveling roller, sliding block one side fixed connection spring, the spring is kept away from sliding block one side and elasticity groove lateral wall fixed connection, the mounting panel lateral wall rotates and is connected with the squeeze roll, the leveling roller with the squeeze roll extrusion is contradicted.

Through adopting above-mentioned technical scheme, set up the elastic slot at the mounting panel lateral wall, sliding connection sliding block in the elastic slot through spring coupling sliding block and elastic slot, makes the squeeze roll conflict elastic roller, flattens the processing to the paper that passes through, improves the roughness of paper, reduces the possibility that the unevenness appears after the paper gets into the printing machine, improves the printing quality of printing machine.

Optionally, the mounting plate is far away from one side of the printing machine body and is rotatably connected with a guide roller for limiting paper.

Through adopting above-mentioned technical scheme, keep away from paper import one side at the crease-resistant board and rotate and connect the guide roll, can get into the crease-resistant subassembly at the paper and carry out crease-resistance before handling, lead to and spacing to the paper, reduce the possibility that the paper dislocation got into the crease-resistant subassembly, improve the crease-resistant subassembly and handle the effect to the crease-resistance of paper.

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

1. the anti-crease assembly is arranged on the mounting plate, anti-crease rods and anti-crease rollers on the anti-crease assembly are used for preventing the passing paper from creasing, the two anti-crease rollers rotating oppositely are abutted against the ground of the paper, the anti-crease rods drive the anti-crease rollers to rotate while rotating, the paper is leveled by the outward friction force of the paper to two sides, the possibility of creasing of the paper when entering the printing machine is reduced, and the printing effect of the printing machine is improved;

2. set up the spiral strip of symmetry on crease-resistance pole, can rotate when transporting the paper at crease-resistance pole, through the friction of spiral strip and paper, make the paper become level and smooth to the outside tension of paper, improve the effect of crease-resistance subassembly to the paper crease-resistance.

Drawings

Fig. 1 is a schematic view of a digital printer with a wrinkle preventing structure according to an embodiment of the present application.

Fig. 2 is a schematic front structure diagram of a crease-resistant panel in the embodiment of the present application.

Fig. 3 is a cross-sectional view of a blank holder assembly in an embodiment of the present application.

Fig. 4 is a schematic side view of a blank holder in an embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 4.

Description of reference numerals: 1. a printer body; 2. anti-wrinkling boards; 3. mounting a plate; 5. a crease-resist roller; 50. mounting blocks; 51. a rotating tank; 61. a drive motor; 62. a worm gear; 7. a wrinkle-resistant bar; 8. a worm; 9. a helical strip; 10. a connecting rod; 100. connecting grooves; 101. perforating; 103. a bolt; 104. rotating the block; 11. a first tension roller; 12. a second tension roller; 13. an elastic groove; 14. a slider; 15. a spring; 16. a leveling roller; 17. a squeeze roll; 18. and a guide roller.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses a digital printing machine with a crease-resist structure. Referring to fig. 1, a digital printing machine of crease-resist structure includes printing machine body 1, two mounting panels 3 of 1 one side fixedly connected with of printing machine body, and two mounting panels 3 set up about 1 width direction symmetry of printing machine body, are provided with the crease-resist subassembly that is used for the crease-resist to handle the paper between two mounting panels 3.

Referring to fig. 1, the mounting panel 3 is the setting of cuboid, and the relative one side of printing machine body 1 one end is kept away from to mounting panel 3 rotates and is connected with guide roll 18, and guide roll 18 leads and spacing the paper that gets into in the mounting panel 3, reduces the possibility of paper dislocation.

Referring to fig. 2 and 3, fixedly connected with crease-resistant board 2 between two mounting panels 3, crease-resistant board 2 is the cuboid setting, and the crease-resistant subassembly is located in crease-resistant board 2 top, and the crease-resistant subassembly is including setting up the crease-resistant roller group on mounting panel 3, rotating crease-resistant pole 7 of connection on mounting panel 3 and being used for driving crease-resistant roller 5 and crease-resistant pole 7 pivoted drive arrangement.

Referring to fig. 2 and 3, the crease-resist roller set includes two crease-resist rollers 5 along paper width direction parallel arrangement, and crease-resist roller 5 is cylindrical, and two crease-resist rollers 5 in the same group rotate mutually in opposite directions, and the relative one side fixedly connected with installation piece 50 of mounting panel 3 has seted up the swivelling chute 51 on the installation piece 50, and crease-resist roller 5 rotates and connects in the swivelling chute 51.

Referring to fig. 2 and 3, the driving device includes a worm 8 rotatably connected to the mounting plate 3, a worm wheel 62 rotatably connected to the mounting plate 3 and engaged with the worm 8, and a driving motor 61 fixedly connected to the mounting plate 3 for driving the worm 8 to rotate. The worm wheel 62 is fixedly connected to the crease-resist roller 5 and rotates coaxially with the crease-resist roller 5, and the diameter of the worm wheel 62 is smaller than that of the crease-resist roller 5.

Referring to fig. 3, one side of the worm wheel 62 close to the bottom of the rotating groove 51 is meshed with the worm 8, the worm 8 is arranged along the width direction of the anti-wrinkling plate 2, the worm 8 is arranged in the mounting block 50 in a penetrating mode, one end of the worm 8 is connected to the mounting plate 3 in a rotating mode, the worm 8 is fixedly connected with the anti-wrinkling rod 7, and the worm 8 and the anti-wrinkling rod 7 are arranged in parallel.

Referring to fig. 2 and 3, when the paper passes through the wrinkle preventing rod 7, the driving motor 61 drives the worm 8 to rotate, the worm 8 drives the worm wheel 62 to rotate, so that the wrinkle preventing roller 5 rotates, the side of the wrinkle preventing roller 5 far away from the wrinkle preventing plate 2 is abutted against the paper, the friction force for the paper outward along the paper feeding direction is applied to the paper, and the wrinkle preventing roller 5 simultaneously rotates outward, so that the paper is tensioned in a direction perpendicular to the axis direction, and the possibility of the paper being wrinkled is reduced.

Referring to fig. 2 and 3, the wrinkle-resistant lever 7 is provided with a spiral strip 9, the spiral strip 9 is symmetrically arranged on the rotating roller along the central line of the paper feeding direction, the spiral strip 9 rotates towards the outer side of the paper feeding axis when the wrinkle-resistant lever 7 rotates, paper collides with the spiral strip 9 before entering the paper feeding port, and the friction force towards the paper outwards when the spiral strip 9 rotates can reduce the possibility that the paper is wrinkled. The side of the spiral strip 9, which is far away from the anti-crease rod 7, is provided with an arc surface, and the arc surface can reduce the possibility that the paper is damaged due to friction when the paper is in contact with the spiral strip 9.

Referring to fig. 2, the crease-resistant assembly is provided with two sets along the axis direction of the crease-resistant plate 2, the crease-resistant capability of the digital printing machine with the crease-resistant structure can be improved by arranging the two sets of crease-resistant assemblies, and the paper is subjected to sufficient crease-resistant treatment before entering a paper inlet, so that the possibility of paper crease is reduced.

Referring to fig. 4 and 5, the mounting plate 3 has all seted up the elastic groove 13 near crease-resistant board 2 axis one side, sliding connection sliding block 14 in the elastic groove 13, and sliding block 14 is the cuboid setting. The sliding blocks 14 and the side walls of the elastic grooves 13 far away from the crease-resistant plate 2 are fixedly connected with springs 15, the springs 15 give the sliding blocks 14 elastic force towards the crease-resistant plate 2, a leveling roller 16 is rotatably connected between the two sliding blocks 14, the leveling roller 16 abuts against an extrusion roller 17 on one side close to the crease-resistant plate 2, and the extrusion roller 17 is rotatably connected with the side walls of the mounting plate 3. The paper passes through behind the crease-resistance subassembly and gets into between flattening roller 16 and the squeeze roll 17, and flattening roller 16 and squeeze roll 17 carry out the flattening to the paper, improve the paper and get into the roughness before the paper feed mouth.

Referring to fig. 4 and 5, a connecting groove 100 is formed in the side wall of the mounting plate 3, the connecting groove 100 is cylindrical, a rotating block 104 is rotatably connected in the connecting groove 100, one side of the rotating block 104, far away from the bottom of the connecting groove 100, is fixedly connected with a connecting rod 10, and one side of the connecting rod 10, far away from the rotating block 104, is rotatably connected with a first tensioning roller 11.

Referring to fig. 4, the mounting plate 3 has been seted up a plurality of perforation 101 around the rotating groove 51, and a plurality of perforation 101 are arranged into the circle that uses the connecting groove 100 center as the centre of a circle, and perforation 101 is cylindrical, has seted up the slot on the connecting rod 10, and the slot is cylindrical setting, wears to establish bolt 103 in the perforation 101, and bolt 103 is cylindrical setting, and the cooperation of pegging graft of bolt 103 one end is spacing with connecting rod 10 in the slot.

Referring to fig. 4 and 5, the crease-resistant plate 2 is rotatably connected with a second tensioning roller 12 on one side of a first tensioning roller 11, the second tensioning roller 12 is located below a paper feed opening plane, paper is attached to one side, away from the crease-resistant plate 2, of the first tensioning roller 11 and enters one side, close to the crease-resistant plate 2, of the second tensioning roller 12, and then enters the paper feed opening to be printed after passing through the first tensioning roller 11 and the second tensioning roller 12, so that the tensioning degree of the paper before entering the printing machine body 1 is improved, and the possibility of poor printing quality caused by the collapse of the paper is reduced.

The implementation principle of the digital printing machine with the crease-resist structure in the embodiment of the application is as follows: set up mounting panel 3 before the paper feed mouth, through guide roll 18 on the mounting panel 3, the crease-resistance subassembly, first tensioning roller 11 and second tensioning roller 12, carry out crease-resistance to the paper that gets into before the paper feed mouth, two mutually opposite pivoted crease-resistance rollers 5 contradict with the paper bottom surface, crease-resistance pole 7 drives crease-resistance roller 5 in the pivoted and rotates, to the outside frictional force of both sides for the paper, level and smooth the paper area, reduce the possibility of paper fold when getting into the printing machine, improve the printing effect of printing machine.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a digital printing machine with crease-resist structure, includes printing machine body (1), its characterized in that: fixedly connected with mounting panel (3) on printing machine body (1), mounting panel (3) are located paper feed opening department, be provided with crease-resistance subassembly on mounting panel (3), crease-resistance subassembly includes that a plurality of groups rotate crease-resistance roller set, rotation connect crease-resistance pole (7) on mounting panel (3) on, set up and be used for driving crease-resistance roller set and crease-resistance pole (7) pivoted drive arrangement (6) on mounting panel (3), every group crease-resistance roller (5) group includes two crease-resistance rollers (5) about printing machine body (1) width direction parallel arrangement, and two crease-resistance rollers (5) in the same group crease-resistance roller (5) group rotate mutually oppositely, crease-resistance pole (7) set up along the width direction of printing body, the direction of rotation mutually perpendicular of crease-resistance roller (5) and crease-resistance pole (7), the shaft and the paper bottom surface conflict of crease-resistance roller (5), the body of the crease-resistant rod (7) is abutted against the bottom surface of the paper.

2. The digital printer with wrinkle-resistant structure as claimed in claim 1, wherein: drive arrangement is including rotating to connect worm (8), rotation on mounting panel (3) and rotate worm wheel (62), the fixed connection that meshes with worm (8) rotation on mounting panel (3) and be used for driving worm (8) pivoted driving motor (61) on mounting panel (3), worm wheel (62) fixed connection is on crease-resistance roller (5), worm (8) set up along the length direction who is on a parallel with crease-resistance pole (7), worm (8) and crease-resistance pole (7) coaxial fixed connection.

3. The digital printer with wrinkle-resistant structure as claimed in claim 1, wherein: be equipped with spiral strip (9) on crease-resistant pole (7), spiral strip (9) set up about crease-resistant pole (7) central symmetry, spiral strip (9) are rotatory towards crease-resistant pole (7) both ends when the turning block rotates.

4. The digital printer with wrinkle-resistant structure as in claim 3, wherein: and one end of the spiral strip (9) far away from the anti-wrinkling rod (7) is provided with an arc surface.

5. The digital printer with wrinkle-resistant structure as claimed in claim 1, wherein: two spread groove (100) have all been seted up to one side relatively of mounting panel (3), two spread groove (100) on mounting panel (3) set up relatively, rotatory piece (104) is connected in spread groove (100) internal rotation, fixedly connected with connecting rod (10) are gone up in rotatory piece (104), rotate on connecting rod (10) and connect first tensioning roller (11), rotate on mounting panel (3) and connect second tensioning roller (12), second tensioning roller (12) are located first tensioning roller (11) are close to printing machine body (1) one side.

6. The digital printer with wrinkle-resistant structure as claimed in claim 5, wherein: the mounting plate (3) is located and has seted up perforation (101) all around connecting groove (100), wear to establish bolt (103) in perforation (101), bolt (103) are pegged graft and are cooperated in connecting rod (10).

7. The digital printer with wrinkle-resistant structure as claimed in claim 6, wherein: mounting panel (3) are close to first tensioning roller (11) one end and have seted up elasticity groove (13), sliding connection sliding block (14) in elasticity groove (13), rotate on sliding block (14) and connect leveling roller (16), sliding block (14) one side fixed connection spring (15), spring (15) are kept away from sliding block (14) one side and elasticity groove (13) lateral wall fixed connection, mounting panel (3) lateral wall rotates and is connected with extrusion roller (17), leveling roller (16) with extrusion roller (17) extrusion is contradicted.

8. The digital printer with wrinkle-resistant structure as claimed in claim 1, wherein: the mounting plate (3) is far away from one side of the printing machine body (1) and is rotatably connected with a guide roller (18) used for limiting paper.