Film covering device of digital printer

By introducing a hydraulic system for the conveyor, dust removal roller, and smoothing roller into the digital printer laminating unit, the problem of impurities on the paper surface affecting laminating quality is solved, achieving lamination firmness and flatness, improving the product's aesthetics and quality, and facilitating equipment maintenance.

CN223686206UActive Publication Date: 2025-12-19GUANGZHOU YUANZHONG PRINTING EQUIP CO LTD
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Patent Information

Application Number
CN202520028787.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2025-12-19
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

The existing digital printer lamination equipment lacks effective dust removal methods, which makes it easy for dust, debris and other impurities on the paper surface to mix between the film and the paper, affecting the lamination quality, resulting in poor lamination, easy delamination, poor smoothing effect and uneven film surface.

Method used

The structure includes a conveyor frame, dust removal roller, smoothing roller and hydraulic system. The height of the dust removal roller is adjusted by the hydraulic cylinder to accurately fit the paper surface to remove impurities, and the smoothing roller is pushed by the hydraulic cylinder to adjust the pressure in time to eliminate film wrinkles and air bubbles.

Benefits of technology

It effectively prevents impurities from getting trapped, ensures the firmness and clarity of the coating, eliminates wrinkles and bubbles on the film surface, improves the aesthetics and quality of the coated product, and is easy to operate, optimizing the user and maintenance experience of the equipment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223686206U_ABST
    Figure CN223686206U_ABST
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Abstract

The utility model provides a laminating device of digital printer relates to laminating device technical field, including box body, transmission rack and dedusting roller, transmission shaft is rotatingly connected in the transmission rack, the surface of transmission shaft is equipped with conveyor belt, the side face of transmission rack is fixedly equipped with motor A. The hydraulic cylinder A on the support C is matched with the sliding rod and the moving block, so that the height position of the dust removal roller can be flexibly adjusted, the dust removal roller can be accurately attached to the surface of paper, dust, chippings and other impurities on the paper are effectively removed, the impurities are prevented from being mixed between a film and the paper in the film covering process, the film covering quality is prevented from being affected, the firmness and definition of film covering are guaranteed, and the film covering efficiency is improved. And the hydraulic cylinder B pushes the mounting plate, so that the flattening roller A and the flattening roller B can adjust the downward pressing degree in time according to the film covering requirement, then film surface wrinkles and bubbles can be eliminated, it is ensured that the film material is tightly and flatly attached to paper, and the attractiveness and quality of a film covering finished product are greatly improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a film laminating device of digital printer. BACKGROUND

[0002] The film laminating device is a kind of equipment widely used in printing, packaging, advertising and other fields, and the main purpose is to cover a layer of protective film or decorative film on the surface of paper, plastic film, fabric and other materials to improve the wear resistance, water resistance, gloss and aesthetic performance of products.In the field of digital printer, the film laminating device can cover a layer of transparent or colored film on the printed image or text, so that the printed product has better visual effect and protection performance.

[0003] In the prior art, for example, the "film laminating device of digital printer" with Chinese patent number CN215204134U includes a winding rack, side plates, pressure rollers, deflection rollers, supporting members, cooperating rollers, limiting rollers and limiting plates.Two groups of side plates are sequentially arranged with pressure rollers, supporting members, cooperating rollers and limiting rollers.The pressure roller is arranged above the deflection roller, and the deflection roller is arranged on the winding rack, and the pressure roller is provided with a rubber sleeve for tightly pressing the film on the label.The two ends of the pressure roller are provided with rotating shafts connected in the side plates, and the side plates are provided with adjusting grooves, and the adjusting grooves are provided with elastic pressing members for pressing the rotating shafts at the bottom of the adjusting grooves.The supporting member is arranged on the inner side of the side plate and is used to support the rotating shaft to overcome the elastic force of the elastic pressing member.The cooperating roller is used to support the film roll with the pressure roller, and the limiting roller is provided with two groups of limiting plates for limiting the film roll at both ends.The utility model has the advantages of simple structure, cooperation with the winding equipment of digital printer, and relatively time-saving and convenient film laminating operation of printed labels.

[0004] Although the film laminating device of digital printer can cooperate with the winding equipment of digital printer to complete the film laminating operation of printed labels relatively time-saving and conveniently, but in the paper conveying process, due to the lack of effective dust removal means, dust, debris and other impurities on the surface of paper are easily mixed between the film material and the paper, which affects the film laminating quality, causes the film laminating to be not firm, and easily causes the film to be separated, and at the same time, the smoothing effect of some equipment is not good in the film laminating process, which cannot fully eliminate the wrinkles and bubbles on the film surface, so that the surface of the film laminating product is not flat enough, which affects the appearance and quality of the product, and needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems of lack of effective dust removal means in the prior art, dust, debris and other impurities on the surface of paper are easily mixed between the film material and the paper, which affects the film laminating quality, causes the film laminating to be not firm, and easily causes the film to be separated, and proposes a film laminating device of digital printer.

[0006] In order to achieve the above object, the utility model discloses the following technical scheme: A laminating device of digital printer, including box, conveying frame and dust roller, the inside rotation of conveying frame is connected with transmission shaft, the surface of transmission shaft is equipped with conveyer belt, the side of conveying frame is fixedly installed with motor A, the surface of conveying frame is fixed in support A, the inside of support A is equipped with laminating roller, the surface of conveying frame is fixedly installed with support B, the inside of support B is equipped with conveying roller, the side of support B is fixedly installed with motor B, the surface of conveying frame is fixedly installed with support C, the surface of support C is fixedly installed with hydraulic cylinder A, the inside sliding of support C is connected with moving block, the side of moving block is fixedly installed with connecting sleeve, the inside of support C is fixedly installed with slide, both ends of dust roller are fixedly connected with connecting block, the surface of conveying frame is fixedly installed with support D, the surface of support D is fixedly installed with hydraulic cylinder B, the inside sliding of support D is connected with mounting plate, the inside of mounting plate is equipped with smoothing roller A, the inside of support D is equipped with smoothing roller B, the side of mounting plate is fixedly connected with sliding block.

[0007] Preferably, the output end of motor A is slidingly connected with the transmission shaft, and the output end of motor B is fixedly connected with one end of the conveying roller.

[0008] Preferably, the output end of hydraulic cylinder A is fixedly connected with the surface of the moving block, and the moving block is slidingly connected with the slide.

[0009] Preferably, the connecting block is slidingly connected with the connecting sleeve.

[0010] Preferably, the output end of hydraulic cylinder B is fixedly connected with the surface of the mounting plate, and the sliding block is slidingly connected with the support D.

[0011] Preferably, the surface of the connecting sleeve is fixedly installed with an L plate, the inside of the L plate is slidingly connected with a limiting rod, the surface of the limiting rod is fixedly installed with a limiting disc, the side of the L plate is fixedly connected with a tension spring, and the surface of the connecting block is provided with a limiting hole.

[0012] Preferably, one end of the tension spring is fixedly connected with the side of the limiting disc, and the limiting rod is slidingly connected with the limiting hole.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1. The utility model discloses a height position of dust removal roller can be adjusted flexibly through the cooperation of hydraulic cylinder A on support C and sliding rod and moving block, makes it accurate to fit paper surface, effectively removes dust, chippings and other impurities on paper, prevents the impurities from being mixed in the film and paper during the laminating process, influences laminating quality, guarantees the firmness and definition of laminating, and the installation plate is pushed by hydraulic cylinder B, so that smoothing roller A and smoothing roller B can adjust the degree of depression in time according to the laminating demand, and then can eliminate film surface wrinkle, bubble, ensure that the film material is closely and flatly attached to paper, greatly improve the appearance and quality of laminating finished product.

[0015] 2. The utility model discloses through pulling the limiting rod, make the limiting rod from the limiting hole that the surface of connecting block set out slides, simultaneously the tension spring will be compressed, at this time, the limiting of dust removal roller is released, pulls the dust removal roller and makes the side fixed connection's connecting block from the inside of the connecting sleeve slide, namely realizes the disassembly of dust removal roller, after replacing well, make the connecting block insert the inside of the connecting sleeve, then loosen the limiting rod and make it slide out the inside of the limiting hole under the action of tension spring, thereby realizes the fixing of dust removal roller, convenient operation has optimized the use and maintenance experience of equipment whole. DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the laminating device of the digital printer is provided for the utility model;

[0017] Figure 2 A sectional view of the laminating device of the digital printer is provided for the utility model;

[0018] Figure 3 An installation plate and hydraulic cylinder B explosion view of the laminating device of the digital printer are provided for the utility model;

[0019] Figure 4 A dust removal roller, moving block, connecting sleeve and L plate local structure schematic diagram of the laminating device of the digital printer is provided for the utility model.

[0020] Legend: 1, box body, 2, conveying frame, 3, dust removal roller, 4, conveying shaft, 5, conveying belt, 6, motor A, 7, support A, 8, laminating roller, 9, support B, 10, conveying roller, 11, motor B, 12, support C, 13, hydraulic cylinder A, 14, moving block, 15, connecting sleeve, 16, sliding rod, 17, connecting block, 18, support D, 19, hydraulic cylinder B, 20, installation plate, 21, smoothing roller A, 22, smoothing roller B, 23, sliding block, 24, L plate, 25, limiting rod, 26, limiting disc, 27, tension spring, 28, limiting hole. DETAILED DESCRIPTION

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1: As Figures 1-4 As shown, this utility model provides a technical solution: a laminating device for a digital printer, including a housing 1, a conveyor frame 2, and a dust removal roller 3. A conveyor shaft 4 is rotatably connected inside the conveyor frame 2, and a conveyor belt 5 is provided on the surface of the conveyor shaft 4. A motor A6 is fixedly installed on the side of the conveyor frame 2. A bracket A7 is fixedly mounted on the surface of the conveyor frame 2, and a laminating roller 8 is provided on the inner side of the bracket A7. A bracket B9 is fixedly mounted on the surface of the conveyor frame 2, and a conveyor roller 10 is provided on the inner side of the bracket B9. A motor B11 is fixedly mounted on the side of the bracket B9. A bracket C12 is fixedly mounted on the surface of the conveyor frame 2, and a hydraulic cylinder A13 is fixedly mounted on the surface of the bracket C12. A moving block 14 is slidably connected inside the bracket C12, and a connecting sleeve 15 is fixedly mounted on the side of the moving block 14. A sliding rod 16 is fixedly mounted inside the bracket C12. Connecting blocks 17 are fixedly connected to both ends of roller 3. A bracket D18 is fixedly installed on the surface of conveyor frame 2. A hydraulic cylinder B19 is fixedly installed on the surface of bracket D18. A mounting plate 20 is slidably connected to the inner side of bracket D18. A smoothing roller A21 is provided on the inner side of mounting plate 20. A smoothing roller B22 is provided on the inner side of bracket D18. A sliding block 23 is fixedly connected to the side of mounting plate 20. The output end of motor A6 is slidably connected to conveyor shaft 4. The output end of motor B11 is fixedly connected to one end of conveyor roller 10. The output end of hydraulic cylinder A13 is fixedly connected to the surface of moving block 14. Moving block 14 is slidably connected to slide rod 16. Connecting block 17 is slidably connected to connecting sleeve 15. The output end of hydraulic cylinder B19 is fixedly connected to the surface of mounting plate 20. Sliding block 23 is slidably connected to bracket D18.

[0024] In this embodiment, the height position of the dust removal roller 3 can be flexibly adjusted by the cooperation of the hydraulic cylinder A13 on the support C12 and the slide rod 16 and the moving block 14, so that the dust removal roller 3 can accurately fit the surface of the paper, effectively remove dust, debris and other impurities on the paper, prevent impurities from being mixed between the film and the paper during the film coating process, affect the film coating quality, ensure the firmness and clarity of the film coating, and the hydraulic cylinder B19 pushes the mounting plate 20, so that the smoothing roller A21 and the smoothing roller B22 can adjust the degree of depression in time according to the film coating demand, thereby eliminating the wrinkles and bubbles on the film surface, ensuring that the film material is tightly and smoothly attached to the paper, greatly improving the appearance and quality of the film product.

[0025] Embodiment 2: As shown in Figures 1-4 The surface of the connecting sleeve 15 is fixedly installed with an L-shaped plate 24, the inside of the L-shaped plate 24 is slidably connected with a limiting rod 25, the surface of the limiting rod 25 is fixedly installed with a limiting disc 26, the side surface of the L-shaped plate 24 is fixedly connected with a tension spring 27, the surface of the connecting block 17 is provided with a limiting hole 28, one end of the tension spring 27 is fixedly connected with the side surface of the limiting disc 26, and the limiting rod 25 is slidably connected with the limiting hole 28.

[0026] In this embodiment, by pulling the limiting rod 25, the limiting rod 25 slides out of the limiting hole 28 on the surface of the connecting block 17, and at the same time the tension spring 27 is compressed, at this time the limiting of the dust removal roller 3 is released, the dust removal roller 3 is pulled to make the side surface fixedly connected connecting block 17 slide out of the inside of the connecting sleeve 15, that is, the disassembly of the dust removal roller 3 is realized, after replacement, the connecting block 17 is inserted into the inside of the connecting sleeve 15, then the limiting rod 25 is loosened to make it automatically slide out of the inside of the limiting hole 28 under the action of the tension spring 27, thereby realizing the fixation of the dust removal roller 3, the operation is convenient, and the use and maintenance experience of the whole equipment is optimized.

[0027] The working principle of the embodiment is as follows: in use, first, the paper to be laminated is placed on the surface of the conveying belt 5, then the transmission motor A6 is started to drive the conveying shaft 4 to rotate, thereby driving the conveying belt 5 to run stably and conveying the paper forward, at the same time, the motor B11 fixedly installed on the side of the support B9 is started, the output end of the motor B11 is fixedly connected with one end of the conveying roller 10, the conveying roller 10 is driven to rotate, and the paper is continuously and stably conveyed to the laminating area in cooperation with the conveying belt 5, before the paper enters the laminating process, the hydraulic cylinder A13 on the surface of the support C12 starts to work, the output end of the hydraulic cylinder A13 pushes the moving block 14 to slide along the slide rod 16 fixedly installed in the support C12, the connecting sleeve 15 fixedly installed on the side of the moving block 14 moves, the connecting sleeve 15 is slidably connected with the connecting block 17 fixedly connected with both ends of the dust removal roller 3, so that the height position of the dust removal roller 3 can be flexibly adjusted to accurately fit the surface of the paper and remove dust, debris and other impurities on the paper, after the dust removal treatment, the paper continues to move to the lower side of the laminating roller 8 to perform the laminating operation on the paper, after the lamination is completed, the hydraulic cylinder B19 on the surface of the support D18 is started, the output end of the hydraulic cylinder B19 pushes the mounting plate 20, thereby driving the smoothing roller A21 and the smoothing roller B22 inside the mounting plate 20 to adjust the pressing degree in time according to the laminating requirement, repeatedly smoothing the laminated paper to eliminate wrinkles and bubbles on the film surface and ensure that the film material is closely and smoothly attached to the paper, when it is necessary to replace the dust removal roller 3, an operator manually pulls the limiting rod 25, the tension spring 27 is compressed during the pulling process, until the limiting rod 25 slides out of the limiting hole 28 formed in the surface of the connecting block 17, the limiting of the dust removal roller 3 is released, then the dust removal roller 3 is pulled out, the connecting block 17 slides out of the connecting sleeve 15, the dust removal roller 3 is disassembled, after the new dust removal roller 3 is replaced, the connecting block 17 is inserted into the connecting sleeve 15, and then the limiting rod 25 is released, the limiting rod 25 automatically slides into the limiting hole 28 under the action of the tension spring 27, the dust removal roller 3 is fixed, and then the laminating operation can be continued.

[0028] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application shall fall within the protection scope of the technical scheme of the present application.

Claims

1. A film laminating device of a digital printer, comprising a box (1), a conveying frame (2) and a dust removing roller (3), characterized in that: The inner rotating connection of the conveying frame (2) is provided with a conveying shaft (4), the surface of the conveying shaft (4) is provided with a conveying belt (5), the side surface of the conveying frame (2) is fixedly provided with a motor A (6), the surface of the conveying frame (2) is fixedly provided with a support A (7), the inner side of the support A (7) is provided with a film roller (8), the surface of the conveying frame (2) is fixedly provided with a support B (9), the inner side of the support B (9) is provided with a conveying roller (10), the side surface of the support B (9) is fixedly provided with a motor B (11), the surface of the conveying frame (2) is fixedly provided with a support C (12), the surface of the support C (12) is fixedly provided with a hydraulic cylinder A (13), the inner sliding connection of the support C (12) is provided with a moving block (14), the side surface of the moving block (14) is fixedly provided with a connecting sleeve (15), the inner fixed installation of the support C (12) is provided with a sliding rod (16), both ends of the dust removal roller (3) are fixedly connected with a connecting block (17), the surface of the conveying frame (2) is fixedly provided with a support D (18), the surface of the support D (18) is fixedly provided with a hydraulic cylinder B (19), the inner side of the support D (18) is slidingly connected with a mounting plate (20), the inner side of the mounting plate (20) is provided with a smoothing roller A (21), the inner side of the support D (18) is provided with a smoothing roller B (22), and the side surface of the mounting plate (20) is fixedly connected with a sliding block (23).

2. The film laminating device for a digital printer according to claim 1, characterized by: The output end of the motor A (6) is slidingly connected with the conveying shaft (4), and the output end of the motor B (11) is fixedly connected with one end of the conveying roller (10).

3. The film laminating device for a digital printer according to claim 1, characterized by: The output end of the hydraulic cylinder A (13) is fixedly connected with the surface of the moving block (14), and the moving block (14) is slidingly connected with the sliding rod (16).

4. The film laminating device for a digital printer according to claim 1, characterized by: The connecting block (17) is slidingly connected with the connecting sleeve (15).

5. The film laminating apparatus of the digital printer according to claim 1, wherein: The output end of the hydraulic cylinder B (19) is fixedly connected with the surface of the mounting plate (20), and the sliding block (23) is slidingly connected with the support D (18).

6. The film laminating apparatus of the digital printer according to claim 1, wherein: The surface of the connecting sleeve (15) is fixedly provided with an L plate (24), the inner sliding connection of the L plate (24) is provided with a limiting rod (25), the surface of the limiting rod (25) is fixedly provided with a limiting disc (26), the side surface of the L plate (24) is fixedly connected with a tension spring (27), and the surface of the connecting block (17) is provided with a limiting hole (28).

7. The film laminating apparatus for a digital printer according to claim 6, wherein: One end of the tension spring (27) is fixedly connected with the side surface of the limiting disc (26), and the limiting rod (25) is slidingly connected with the limiting hole (28).