CN211307835U

CN211307835U - Double-sided printing turnover device for thin film

Info

Publication number: CN211307835U
Application number: CN201921993161.XU
Authority: CN
Inventors: 赵玉杰; 陈锋
Original assignee: Jiangyin Chenggong Transfer Packaging Materials Co ltd
Current assignee: Jiangyin Chenggong Transfer Packaging Materials Co ltd
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-08-21
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a double-sided printing turning device for thin films, which belongs to the field of printing equipment and aims to provide a double-sided printing turning device for thin films, and the technical proposal is that the double-sided printing turning device comprises a frame, a feeding roller arranged on the frame, a guide roller arranged on the frame and vertical to the feeding roller, a discharging roller arranged on the frame and positioned on one side opposite to the feeding roller, and two turning rollers arranged on the frame, wherein the feeding roller is provided with an adjusting roller near one side of the turning roller, the adjusting roller is connected on the frame in a sliding way, one side of the adjusting roller is provided with a driving component, the driving component comprises a first chain wheel arranged on the frame, a driving motor connected on one side of the first chain wheel far away from the adjusting roller, a second chain wheel arranged on the frame and positioned below the first chain wheel, and a chain sleeved on the first chain wheel and the second chain wheel, the utility, thereby improving the stability and the flatness of the film in the process of conveying and turning.

Description

Double-sided printing turnover device for thin film

Technical Field

The utility model relates to a lithography apparatus field, in particular to double-sided printing turning device is used to film.

Background

With the continuous improvement of the external packaging quality requirements of products such as food, medicine and the like and the rapid development of composite flexible packages, increasingly higher requirements are put forward on the plastic film gravure printing technology. The quality of the packaging printed matter directly influences the dominant position in product market competition and influences the benefit and development prospect of enterprises. The plastic film gravure printing is a technology which relates to machinery, materials, chemical ink, heating and drying and the like and has strong speciality, and a plurality of problems still exist in the practical use.

Chinese patent No. CN202965491U discloses a roll-over stand device for double-sided printing of plastic films, which comprises a bracket, a plurality of guide rollers, two roll-over rollers and a high pressure fan, wherein the first guide roller and the third guide roller are respectively installed at two ends of the bracket, the second guide roller is installed at one side of the bracket, and the high pressure fan is installed at the other side of the bracket; the upper surfaces of the first overturning roller and the second overturning roller are provided with vent holes, high-pressure gas is communicated into an inner cavity of the overturning roller, and the first overturning roller and the second overturning roller are installed on the support in a crossed mode.

Above-mentioned technical scheme simple structure, and reduced equipment cost, upset roller and guide roll are not at same height, and form certain angle between upset roller and the guide roll, can constantly blow off gas in the venthole, make the film float on the upset roller under the effect of gas, but the film upset angle on the upset roller just slides on the upset roller, and the tensioning effect of film will weaken, influences the planarization of film to influence the transmission effect of film.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a two-sided printing turning device is used to film has the rate of tension of film in the adjustment turning device to improve the advantage of the stability and the planarization of film in conveying and upset in-process.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a two-sided printing turning device for film, includes the frame, sets up feed roll in the frame, sets up guide roll, the setting that sets up perpendicularly with the feed roll in the frame and the feed roll is located the relative one side of feed roll discharge roll, sets up two upset rollers in the frame, the feed roll is close to upset roller one side and is equipped with the dancer rools, dancer rools sliding connection is in the frame, dancer rools one side is equipped with drive assembly, drive assembly is including setting up sprocket one in the frame, connecting the driving motor who keeps away from dancer rools one side at sprocket one, set up sprocket two, the cover that is located sprocket one below in the frame and establish the chain on sprocket one and sprocket two, dancer rools one end is connected with the chain.

Through adopting above-mentioned technical scheme, the film enters into turning device from the feed roller in, pass through the upset roller in proper order, leave turning device from the discharge roller behind guide roll and another upset roller, accomplish the film upset, set up the dancer rools between feed roller and upset roller, the dancer rools moves along vertical direction under drive arrangement's effect, adjust the tensioning degree of film between feed roller and upset roller, when driving motor during operation, driving motor drives sprocket one and rotates, sprocket one drives sprocket two through the chain and rotates, the chain rotates between sprocket one and sprocket two, the dancer rools moves along with the chain rotates, thereby adjust the rate of tension of film in the turning device, further improve the stability and the stationarity of film at conveying and upset in-process, make the film quality better.

Furthermore, sliding connection has the mounting panel in the frame, fixedly connected with installation piece on the chain, installation piece sliding connection is on the mounting panel.

Through adopting above-mentioned technical scheme, the mounting panel slides along vertical direction in the frame, and the installation piece slides along its horizontal direction on the mounting panel, and relative slip between installation piece and the mounting panel can make the installation piece along with the chain when moving along the horizontal direction, will not influence the removal of mounting panel in the frame to make the mounting panel move along the frame vertical direction in the frame all the time.

Furthermore, a kidney-shaped groove is formed in the mounting plate, the kidney-shaped groove is arranged along the horizontal direction of the mounting plate, and the mounting block is connected in the kidney-shaped groove in a sliding mode.

Through adopting above-mentioned technical scheme, set up the kidney slot on the mounting panel, the installation piece slides in the kidney slot all the time, and the installation piece through contradict the cooperation with the kidney slot, drives the mounting panel at kidney slot place and moves along vertical direction in the frame.

Further, one side, away from the chain, of the mounting plate is provided with a fixing plate, the section of the fixing plate is in a C-shaped arrangement, and one end of the adjusting roller is rotatably connected to the fixing plate.

Through adopting above-mentioned technical scheme, the fixed plate is the setting of C shape, makes the dancer rools rotate to be connected and keeps away from mounting panel one side at the fixed plate, prevents to bump between dancer rools and the installation piece.

Further, be equipped with the leading truck in the frame, the leading truck sets up along vertical direction, the leading truck is equipped with two sets ofly about mounting panel length direction centrosymmetry, the equal sliding connection in mounting panel both sides is in the leading truck.

Through adopting above-mentioned technical scheme, the leading truck sets up in the frame, and mounting panel sliding connection is on the leading truck, and the leading truck is equipped with two sets ofly about mounting panel length direction, and two sets of leading trucks play direction and spacing effect to the mounting panel.

Further, the frame is located the regulating roller and is kept away from drive assembly one end and be equipped with the limiting plate, set up the spout in the limiting plate, the regulating roller is close to spout one end and is equipped with the slider with the spout cooperation, slider sliding connection is in the spout, regulating roller and slider normal running fit.

Through adopting above-mentioned technical scheme, the slider that the drive assembly one side is kept away from to the dancer rools slides in the spout on the limiting plate, and the spout plays the guide effect to the slider.

Further, the discharge roller is equipped with the tensioning roller near upset roller one side, it is equipped with two supporting seats to lie in the fixed of tensioning roller length direction in the frame, the tensioning roller is installed on two supporting seats, be equipped with the mount pad in the supporting seat, be equipped with the bearing on the mount pad, the tensioning roller is installed on the bearing.

Through adopting above-mentioned technical scheme, the tensioning roller is kept away from into dancer rools one side at the upset roller, and when the dancer rools was when adjusting the film tensile force, the mount pad slided in the supporting seat, and the tensioning roller that makes install on the bearing takes place to remove along with the tensioning degree of film, prevents that the film from overtightening, leads to the film to tear.

Furthermore, mount pad sliding connection is in the supporting seat, the mount pad bottom is equipped with the spring, the mount pad one end is kept away from to the spring is connected with the supporting seat.

Through adopting above-mentioned technical scheme, the spring setting is between supporting seat and mount pad, and the spring plays buffering and regulatory action, can reduce the vibrations of mount pad when removing simultaneously.

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

1. through the arrangement of the driving assembly, the effect of driving the adjusting roller to reciprocate in the vertical direction so as to adjust the tension degree of the film entering the turnover device can be achieved;

2. the guide frame arranged on the machine frame can play a role in guiding the movement of the mounting plate in the vertical direction;

3. through the setting of tensioning roller, can play the effect of adjusting the rate of tension to the film of output.

Drawings

FIG. 1 is an overall schematic view of a double-sided printing and inverting apparatus for a film according to an embodiment;

FIG. 2 is a partially enlarged schematic view of a driving assembly embodying the present embodiment;

FIG. 3 is a partial schematic view of the embodiment for embodying the position of the feed roller and the adjusting roller;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a schematic overall view of a double-sided printing and inverting apparatus for embodying a film in an embodiment;

fig. 6 is a schematic partial cross-sectional view of an embodiment embodying the mounting of the tension roller on the frame.

In the figure, 1, a frame; 11. a feed roll; 12. a guide roller; 13. a discharging roller; 14. turning over the roller; 15. an air tube; 16. an air outlet; 17. an air pump; 18. a regulating roller; 19. a tension roller; 2. a drive assembly; 201. a chain wheel I; 202. a second chain wheel; 203. a chain; 204. a drive motor; 21. mounting a plate; 211. a kidney-shaped groove; 22. mounting blocks; 23. a fixing plate; 24. a guide frame; 25. a limiting plate; 251. a chute; 252. a slider; 3. a supporting seat; 31. a mounting seat; 32. a bearing; 33. a spring.

Detailed Description

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

Example (b):

the utility model provides a two-sided printing turning device for film, as shown in figure 1, including frame 1, the feed roll 11 of setting in frame 1, the guide roll 12 of setting perpendicular setting with feed roll 11 in frame 1, the setting lies in the discharge roll 13 of feed roll 11 relative one side in frame 1, two upset rollers 14 of setting in frame 1, through trachea 15 in the upset roller 14, and seted up a plurality of ventholes 16 on the upset roller 14, trachea 15 is kept away from 14 one end of upset roller and is connected with air pump 17.

As shown in figure 1, the air pump 17 works to pump air, so that the air passes through the air pipe 15 and is discharged from the air outlet 16 on the turning roller 14, and an air wall is formed on the turning roller 14, and because the turning roller 14 is fixed on the machine frame 1, the air wall can prevent the printing surface of the film from directly contacting with the turning roller 14, and prevent the pattern printed on the film from being damaged by friction.

As shown in fig. 1 and 2, a film enters from a feeding roller 11, an adjusting roller 18 is arranged between the feeding roller 11 and an overturning roller 14, the adjusting roller 18 is connected to a frame 1 in a sliding manner, a driving assembly 2 is arranged on one side of the adjusting roller 18, the driving assembly 2 comprises a first chain wheel 201 arranged on the frame 1, a driving motor 204 connected to one side of the first chain wheel 201 far away from the adjusting roller 18, a second chain wheel 202 arranged on the frame 1 below the first chain wheel 201, and a chain 203 sleeved on the first chain wheel 201 and the second chain wheel 202.

As shown in fig. 2, a guide frame 24 is arranged on the frame 1 along the vertical direction, the guide frame 24 is slidably connected with the mounting plate 21, two guide frames 24 are symmetrically arranged about the length direction of the mounting plate 21, and two ends of the mounting plate 21 are slidably connected with the guide frame 24.

As shown in fig. 2, the mounting plate 21 is provided with a waist-shaped groove 211, the waist-shaped groove 211 is arranged along the horizontal direction of the mounting plate 21, the length direction of the waist-shaped groove 211 is perpendicular to the length direction of the guide frame 24, the chain 203 is fixedly welded with the mounting block 22, and the mounting block 22 is slidably connected in the waist-shaped groove 211.

As shown in fig. 2, a fixing plate 23 is fixedly welded on one side of the mounting plate 21 away from the chain 203, the section of the fixing plate 23 is arranged in a C shape, and one end of the adjusting roller 18 is rotatably connected to the fixing plate 23.

As shown in fig. 3 and 4, a sliding block 252 is rotatably connected to one end of the adjusting roller 18 away from the fixing plate 23, a limiting plate 25 is arranged on one end of the frame 1 away from the adjusting roller 18 away from the driving assembly 2, the limiting plate 25 is arranged along the vertical direction, a sliding groove 251 is formed in the limiting plate 25, and the sliding block 252 is slidably connected in the sliding groove 251.

As shown in fig. 3 and 4, after the film enters from the lower part of the feed roller 11, the film is wound out from the upper part of the adjusting roller 18, enters from the lower part of the first turning roller 14 and is wound on the first turning roller 14, the adjusting roller 18 moves under the action of the driving assembly 2, and the tension degree of the film between the feed roller 11 and the turning roller 14 is adjusted.

As shown in fig. 2, the driving motor 204 operates to drive the first sprocket 201 to rotate, the chain 203 rotates on the first sprocket 201 and the second sprocket 202, the mounting block 22 on the chain 203 is disposed in the kidney-shaped groove 211 on the mounting plate 21, when the chain link where the mounting block 22 is located moves in the vertical direction, the mounting block 22 is at a fixed position in the kidney-shaped groove 211, and the mounting block 22 drives the mounting plate 21 to move in the vertical direction.

As shown in fig. 2 and 4, when the mounting plate 21 moves in the vertical direction, the mounting plate 21 drives the fixing plate 23, and the adjusting roller 18 rotatably connected to the fixing plate 23 moves in the vertical direction, and the sliding block 252 connected to the other end of the adjusting roller 18 slides up and down in the sliding groove 251.

As shown in fig. 2, when the mounting block 22 is connected to the first sprocket 201 or the second sprocket 202 to rotate, the mounting block 22 slides in the kidney-shaped groove 211, and at this time, the mounting plate 21 moves in the vertical direction along with the mounting block 22, and the mounting plate 21 drives the fixing plate 23 and the adjusting roller 18 on the fixing plate 23 to move up and down.

As shown in fig. 2, the kidney-shaped slot 211 is provided to convert the horizontal movement of the mounting block 22 into the vertical movement of the mounting plate 21, so that the dancer roller 18 always moves in the vertical direction.

As shown in figure 1, after passing through a first overturning roller 14, the film enters a guide roller 12 from the lower part and then leaves from the upper part of the guide roller 12 and enters from the lower part of a second overturning roller 14, a tension roller 19 is arranged between the second overturning roller 14 and a discharge roller 13, and the tension roller 19 can prevent the film from being pulled and torn due to the fact that the force applied to the film by an adjusting roller 18 is too large.

As shown in fig. 5 and 6, two supporting seats 3 are arranged at two ends of the rack 1 in the length direction of the tension roller 19, the supporting seats 3 are fixed on the rack 1 through bolts, two ends of the tension roller 19 are installed on the two supporting seats 3, an installation seat 31 is arranged in the supporting seats 3 in a sliding manner along the height direction of the supporting seats 3, a bearing 32 is fixedly welded at the top of the installation seat 31, and the tension roller 19 is installed in the bearing 32.

As shown in fig. 5 and 6, a spring 33 is installed between the bottom of the mounting seat 31 and the supporting seat 3, and two ends of the spring 33 are respectively welded and fixed with the mounting seat 31 and the supporting seat 3.

As shown in fig. 5 and 6, after the film leaves the top of the second reversing roller 14, the film enters from the top of the tension roller 19, and after leaving the tension roller 19, the film leaves the reversing device below the discharge roller 13, when the film is tensioned, the film pushes the tension roller 19 downwards, the spring 33 is compressed, and when the tension of the film is lower, the tension of the spring 33 pushes the tension roller 19 upwards.

As shown in fig. 5 and 6, a plurality of springs 33 are provided between the mount 31 and the support base 3.

The specific implementation process comprises the following steps: the film enters from the bottom of the feed roller 11, passes over the regulating roller 18, then enters from the first reversing roller 14, then enters from below to the guide roller 12, then enters from below the second reversing roller 14, then enters from above the tension roller 19, finally enters from below to the discharge roller 13, and exits from the side of the discharge roller 13 away from the tension roller 19.

In the process, the driving motor 204 drives the first chain wheel 201 to rotate, the chain 203 between the first chain wheel 201 and the second chain wheel 202 rotates, the mounting block 22 is driven to be in the kidney-shaped groove 211, the mounting plate 21 is driven to move along the height direction of the guide frame 24, namely, the adjusting roller 18 is driven to move along the height direction of the guide frame 24, the film is continuously tensioned and loosened, the tensioning degree of the film is adjusted, the film is more stably conveyed, meanwhile, when the pulling force received on the film is large, the force generated on the film can be exerted on the mounting seat 31, the mounting seat 31 moves downwards in the supporting seat 3, the spring 33 is compressed, the tensioning force moves downwards, the tension on the film is reduced, and the film is prevented from being damaged.

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

Claims

1. The utility model provides a two-sided printing turning device for film, includes frame (1), sets up feed roll (11) in frame (1), sets up guide roll (12) that set up perpendicularly with feed roll (11) in frame (1), sets up discharge roller (13) that lie in feed roll (11) relative one side in frame (1), sets up two upset rollers (14) in frame (1), its characterized in that: feed roller (11) are close to upset roller (14) one side and are equipped with dancer roll (18), dancer roll (18) sliding connection is in frame (1), dancer roll (18) one side is equipped with drive assembly (2), drive assembly (2) are including setting up sprocket (201) in frame (1), connecting driving motor (204) of keeping away from dancer roll (18) one side in sprocket (201), setting up sprocket two (202), the cover that is located sprocket (201) below in frame (1) and establishing chain (203) on sprocket (201) and sprocket two (202), dancer roll (18) one end is connected with chain (203).

2. A double-sided printing inverting apparatus for a film as claimed in claim 1, wherein: sliding connection has mounting panel (21) on frame (1), fixedly connected with installation piece (22) on chain (203), installation piece (22) sliding connection is on mounting panel (21).

3. A double-sided printing inverting apparatus for a film as claimed in claim 2, wherein: waist shape groove (211) have been seted up on mounting panel (21), waist shape groove (211) set up along mounting panel (21) horizontal direction, installation piece (22) sliding connection is in waist shape groove (211).

4. A double-sided printing inverting apparatus for a film as claimed in claim 2, wherein: chain (203) one side is kept away from in mounting panel (21) is equipped with fixed plate (23), fixed plate (23) cross-section is the setting of C shape, adjusting roller (18) one end is rotated and is connected on fixed plate (23).

5. A double-sided printing inverting apparatus for a film as claimed in claim 2, wherein: be equipped with leading truck (24) on frame (1), leading truck (24) set up along vertical direction, leading truck (24) are equipped with two sets ofly about mounting panel (21) length direction centrosymmetry, the equal sliding connection in mounting panel (21) both sides is in leading truck (24).

6. A double-sided printing inverting apparatus for a film as claimed in claim 1, wherein: the frame (1) is located regulating roller (18) and is kept away from drive assembly (2) one end and is equipped with limiting plate (25), spout (251) have been seted up in limiting plate (25), regulating roller (18) are close to spout (251) one end and are equipped with slider (252) with spout (251) cooperation, slider (252) sliding connection is in spout (251), regulating roller (18) and slider (252) normal running fit.

7. A double-sided printing inverting apparatus for a film as claimed in claim 1, wherein: discharge roller (13) are close to upset roller (14) one side and are equipped with tensioning roller (19), it is fixed to be equipped with two supporting seats (3) to lie in tensioning roller (19) length direction in frame (1), install on two supporting seats (3) tensioning roller (19), be equipped with mount pad (31) in supporting seat (3), be equipped with bearing (32) on mount pad (31), install on bearing (32) tensioning roller (19).

8. A double-sided printing inverting apparatus for a film as claimed in claim 7, wherein: mount pad (31) sliding connection is in supporting seat (3), mount pad (31) bottom is equipped with spring (33), mount pad (31) one end is kept away from in spring (33) is connected with supporting seat (3).