Flattening device for carton digital printing

Abstract

The utility model is suitable for the technical field of carton processing, and provides a flattening device for carton digital printing, which comprises a base, the conveying roller is rotationally mounted on the base and is used for conveying carton paperboard raw materials; the top cover is arranged at the top of the base, and extension plates are fixed on the top cover and the base; the electric telescopic rod is mounted between the extension plates and is used for adjusting the flattening distance; the sliding block is installed at the bottom of the top cover in a sliding mode, and a spring used for buffering pressure is fixed to the bottom of the sliding block; and the limiting roller is rotationally mounted at the bottom of the spring through a mounting block and is used for flattening the carton paperboard raw material. According to the scheme, the flattening device for digital printing of the carton is high in flexibility, carton paperboard raw materials of different widths and thicknesses can be flattened and conveyed, and the subsequent printing definition is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to carton processing technical field, especially, relate to a kind of for carton digital printing flattening device. BACKGROUND

[0002] Carton digital printing is a kind of plateless printing technology for carton processing, with the characteristics of no need to make plate, no need to adjust color and simple operation, when carton digital printing, usually using transmission device to transport paperboard, directly make paperboard from the nozzle below digital printing machine to complete printing, printing is simple and efficient.

[0003] In the existing carton digital printing process, the paperboard used for printing is prone to warping due to the absorption of moisture in the air, which will cause the printing pattern to deviate. INVENTION CONTENTS

[0004] The utility model provides a kind of for carton digital printing flattening device, to solve the problem that the paperboard used for printing is prone to warping due to the absorption of moisture in the air, which will affect the printing quality.

[0005] To solve the above problems, the utility model is realized as follows: a kind of for carton digital printing flattening device, comprising: base;Rotary installation on the base for conveying carton paperboard raw material conveying roller;Top cover is arranged on the top of the base, the top cover and the base are all fixed with extension plate;Electric telescopic rod is installed between the extension plate for adjusting flattening distance;Sliding block is slidingly installed on the bottom of the top cover, the bottom of the sliding block is fixed with spring for buffering pressure;Limiting roller is rotatably installed on the bottom of the spring through mounting block, and the limiting roller is used to flatten carton paperboard raw material.

[0006] Preferably, the bottom of the top cover is provided with an electric guide rail for adjusting the distance between the limiting rollers, the sliding block is connected to the electric guide rail, and the number of limiting rollers is not less than three and is arranged in pairs.

[0007] Preferably, a servo motor is installed on the base for driving the rotation of the conveying roller, the output shaft of the servo motor is connected to the conveying roller, and the side of the base away from the servo motor is provided with a transmission structure for synchronizing the rotation of the conveying roller, and the transmission structure is provided with a protective shell for isolating the transmission environment.

[0008] Preferably, the transmission structure is composed of a connecting shaft fixed on the conveying roller, a sprocket installed on the connecting shaft and a chain sleeved outside the sprocket for transmission, and the chain is engaged with the sprocket.

[0009] Preferably, the electric guide rail is composed of a motor box fixed at the bottom of the top cover for providing power, a rail frame installed at the bottom of the top cover, a threaded rod rotatably installed in the rail frame and a moving piece threaded on the threaded rod, the moving piece being connected with the sliding block, and a reciprocating motor being arranged in the motor box, and an output shaft of the reciprocating motor being connected with the threaded rod.

[0010] Preferably, the bottom of the top cover is provided with a limiting groove, and a limiting block connected with the sliding block is slidably installed in the limiting groove, and the limiting groove cooperates with the limiting block to stabilize the sliding block.

[0011] Preferably, the spring is provided with a limiting telescopic rod for guiding the telescopic direction of the spring, the limiting telescopic rod being fixed between the sliding block and the mounting block, and the conveying roller and the limiting roller are each sleeved with an antiskid sleeve.

[0012] Compared with the related art, the flattening device for carton digital printing has the following beneficial effects:

[0013] Compared with the prior art, the flattening device for carton digital printing provided by the scheme realizes flexible adaptation to paperboard raw materials of different thicknesses and widths through the electric adjustment function of the electric telescopic rod and the electric guide rail, ensures the consistency of flattening effect and the accuracy of printed patterns, at the same time, the design of the spring and the limiting telescopic rod effectively absorbs the impact force during flattening, protects the paperboard from being damaged, and the antiskid sleeve and the limiting notch further enhance the stability and reliability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a front view structural schematic diagram of the flattening device for carton digital printing provided by the utility model;

[0015] Figure 2 is Figure 1 is an enlarged structural schematic diagram of part A shown in the figure;

[0016] Figure 3 is an assembly structural schematic diagram of the transmission structure in the utility model;

[0017] Figure 4 is a three-dimensional structural schematic diagram of the limiting roller 10 in the utility model;

[0018] Figure 5 is a bottom view structural schematic diagram of the electric guide rail in the utility model.

[0019] Mark No. : 1, base; 2, conveying roller; 3, top cover; 4, extension plate; 5, electric telescopic rod; 6, electric guide rail; 7, sliding block; 8, spring; 9, mounting block; 10, limiting roller; 11, limiting telescopic rod; 12, servo motor; 13, protective shell; 14, connecting shaft; 15, chain wheel; 16, chain; 17, limiting notch; 18, motor box; 19, rail frame; 20, threaded rod; 21, moving piece. DETAILED DESCRIPTION

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the present application will be described with reference to the drawings described above and the specification below and is understood that terms used herein are intended to describe particular embodiments and are not intended to limit the present application; the terms "include" and "have" and their any variations used herein are intended to cover the non-exclusive inclusion; the terms "first", "second", etc. in the specification and claims of the present application and the above description are used to distinguish different objects and are not intended to describe a particular sequence; the terms "inner", "outer", "left", "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings and are only used for the convenience of describing the present application and simplifying the description and are not intended to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0021] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive or alternative embodiments. It is explicitly and implicitly understood that the embodiments described herein can be combined with each other.

[0022] The utility model discloses an embodiment provides a kind of for carton digital printing flattening device, as shown in Figures 1-5 The flattening device for carton digital printing includes: a base 1; a conveying roller 2 is rotatably mounted on the base 1 for conveying carton paperboard raw materials; a top cover 3 is provided on the top of the base 1, the top cover 3 and the base 1 are both fixed with an extension plate 4; an electric telescopic rod 5 is installed between the extension plates 4 for adjusting the flattening distance; a sliding block 7 is slidingly installed on the bottom of the top cover 3, the bottom of the sliding block 7 is fixed with a spring 8 for buffering pressure; a limiting roller 10 is rotatably installed on the bottom of the spring 8 through a mounting block 9, and the limiting roller 10 is used for flattening carton paperboard raw materials.

[0023] In this embodiment, the base 1 serves as the basic support structure of the entire flattening device, used to mount and fix other components, the conveying roller 2 is used to convey carton paperboard raw materials, through its rotating function, it can continuously and smoothly feed the paperboard raw materials into the printing area, ensuring the continuity and efficiency of the printing process, the top cover 3 and the base 1 jointly constitute the main structure of the flattening device, the design of the top cover 3 provides space for the installation and adjustment of the flattening assembly, the extension plate 4 is used to connect and support the electric telescopic rod 5, the design of the extension plate 4 enables the electric telescopic rod 5 to stably adjust the flattening distance in the vertical direction, the electric telescopic rod 5 can accurately adjust the distance between the limiting roller 10 and the carton paperboard raw materials through electric control, so as to adapt to paperboards of different thicknesses and materials, and ensure the flattening effect, the sliding block 7 is used to connect and support the spring 8 and the limiting roller 10, the sliding design of the sliding block 7 enables the limiting roller 10 to adjust the position within a certain range, so as to adapt to the width change of the paperboard, the elastic action of the spring 8 can absorb the impact force generated during the flattening of the paperboard, protect the paperboard from being damaged, and at the same time ensure the uniformity of the flattening effect, the design of the mounting block 9 enables the limiting roller 10 to stably and flexibly rotate, so as to adapt to the slight deviation in the paperboard conveying process, and the rolling flattening action of the limiting roller 10 can effectively eliminate the warping phenomenon of the paperboard due to water absorption, and ensure the accuracy and clarity of the printed pattern.

[0024] In further preferred embodiments of the utility model, the bottom of the top cover 3 is provided with an electric guide rail 6 for adjusting the distance between the limiting rollers 10, the sliding block 7 is connected with the electric guide rail 6, and the number of limiting rollers 10 is not less than three and each two limiting rollers 10 are arranged in groups, and each of the two limiting rollers 10 is provided with a limiting notch 17 for stabilizing the carton paperboard raw materials.

[0025] In this embodiment, the electric guide rail 6 is used to adjust the distance between the sliding block 7 and the limiting roller 10 connected therewith, and the introduction of the electric guide rail 6 enables the distance between the limiting rollers 10 to be electrically adjusted, further improving the adaptability and flexibility of the device, and more accurately meeting the flattening needs of carton paperboard raw materials of different widths, the sliding block 7 can slide in the horizontal direction, thereby adjusting the position of the limiting roller 10, this design enables the limiting roller 10 to flexibly adapt to paperboards of different widths, ensuring the consistency of the flattening effect, and each group of limiting rollers 10 can independently adapt to the width change of the paperboard through the adjustment of the sliding block 7 and the electric guide rail 6, this design of multiple groups of limiting rollers 10 not only improves the flattening effect, but also enhances the stability and reliability of the device, and the design of the limiting notch 17 can further limit the movement of the paperboard, preventing the paperboard from deviating or deforming during the flattening process, thereby improving the accuracy and clarity of the printed pattern.

[0026] The further preferred embodiment of the utility model discloses a base 1 is equipped with the servo motor 12 for driving the conveying roller 2 rotation, the output shaft of servo motor 12 is connected with conveying roller 2, the base 1 is equipped with the transmission structure for synchronizing the conveying roller 2 rotation on the side away from servo motor 12, the transmission structure outer cover is equipped with the protective housing 13 for isolating transmission environment.

[0027] In the embodiment, servo motor 12 is used to drive the conveying roller 2 rotation, servo motor 12 has the characteristics of high precision, high stability, can ensure that the conveying roller 2 is with constant speed and steady rotation mode paper box paperboard raw material is transported, to improve the continuity and accuracy of printing process, through the output shaft, the power of servo motor 12 can be transmitted to the conveying roller 2, drive its rotation, the conveying roller 2 is driven by servo motor 12 rotation. The rotation of conveying roller 2 is used for continuously, steadily conveying paper box paperboard raw material, ensure the smooth progress of printing process, transmission structure is used for synchronizing the rotation of conveying roller 2, transmission structure can ensure that when servo motor 12 drives one conveying roller 2 rotation, other conveying roller 2 can also rotate synchronously, so that the continuous conveying of paper box paperboard raw material is realized, the design of protective housing 13 can prevent external impurities from entering the transmission structure inside, cause damage or affect transmission effect, at the same time, protective housing 13 can also play the role of safety protection, prevent the operator from being hurt by mistake transmission structure.

[0028] The further preferred embodiment of the utility model discloses transmission structure is by fixed on the conveying roller 2 on the connecting shaft 14, install on the connecting shaft 14 on the sprocket 15 and set in the sprocket 15 outside for transmission chain 16 is composed, chain 16 is engaged with sprocket 15.

[0029] In the embodiment, the design of connecting shaft 14 makes conveying roller 2 and sprocket 15 can be firmly connected together, ensure the stability and reliability of power transmission, the design of sprocket 15 makes power can be transmitted to other conveying roller 2 on the sprocket 15 through chain 16, so as to realize the synchronous rotation of multiple conveying roller 2, chain 16 as transmission medium, the power of servo motor 12 can be transmitted to other conveying roller 2 on the sprocket 15 from the sprocket 15 on one conveying roller 2, ensure that all conveying roller 2 can rotate synchronously and stably, chain transmission mode has the advantages of simple structure, high transmission efficiency, convenient maintenance etc.

[0030] The electric guide rail 6 is composed of a motor box 18 fixed at the bottom of the top cover 3 for providing power, a rail frame 19 installed at the bottom of the top cover 3, a threaded rod 20 rotatably installed in the rail frame 19 and a moving piece 21 threaded on the threaded rod 20, the moving piece 21 is connected with the sliding block 7, and a reciprocating motor is arranged in the motor box 18.

[0031] In the embodiment, the motor box 18 is provided with a reciprocating motor, the reciprocating motor is a key component for realizing power transmission of the electric guide rail 6 and movement of the sliding block 7, the rail frame 19 serves as a mounting base of the threaded rod 20 and the moving piece 21, and ensures stable rotation of the threaded rod 20 and stable movement of the moving piece 21, rotation of the threaded rod 20 converts rotary power of the reciprocating motor into linear movement power of the moving piece 21, when the threaded rod 20 rotates, the moving piece 21 moves along the axial direction of the threaded rod 20, thereby driving the sliding block 7 and the limiting roller 10 to move together, so as to realize adjustment of the interval, and the reciprocating motor can accurately control the moving direction and speed of the sliding block 7 and the limiting roller 10 by controlling the forward and reverse rotation and the rotating speed.

[0032] In the further preferred embodiment of the utility model, the bottom of the top cover 3 is provided with a limiting groove, a limiting block connected with the sliding block 7 is slidably installed in the limiting groove, and the limiting groove cooperates with the limiting block to stabilize the sliding block 7.

[0033] In the embodiment, the limiting groove is a groove for accommodating and limiting movement of the limiting block, the design of the limiting groove ensures the stability and accuracy of the sliding block 7 during movement, prevents deviation or shaking of the sliding block 7, and the design of the limiting block enables the sliding block 7 to move stably along the track of the limiting groove, while limiting the movement range of the sliding block 7, so as to ensure that the sliding block 7 will not exceed the predetermined position.

[0034] In the further preferred embodiment of the utility model, the spring 8 is provided with a limiting telescopic rod 11 for guiding the extension direction of the spring 8, the limiting telescopic rod 11 is fixed between the sliding block 7 and the mounting block 9, and anti-skid sleeves are sleeved on the conveying roller 2 and the limiting roller 10.

[0035] In the embodiment, the limiting telescopic rod 11 is used for guiding the extension direction of the spring 8, the design of the limiting telescopic rod 11 ensures that the spring 8 can maintain a stable form and direction during extension, prevents the spring 8 from being twisted or deviated, thereby improving the durability and stability of the spring 8, the anti-skid sleeve is used for increasing the friction force between the rollers and the carton paperboard raw materials, the design of the anti-skid sleeve can prevent the carton paperboard from sliding or deviating during conveying and flattening, thereby ensuring that the carton paperboard can pass through the flattening device stably and accurately, and improving the accuracy and clarity of the printed pattern.

[0036] In summary, compared with the related art, the device realizes flexible adaptation to paper box paperboard raw materials of different thickness and width through the electric adjustment function of the electric telescopic rod 5 and the electric guide rail 6, ensures the consistency of the flattening effect and the accuracy of the printed pattern, at the same time, the design of the spring 8 and the limiting telescopic rod 11 effectively absorbs the impact force during flattening, protects the paperboard from damage, and the anti-skid sleeve and the limiting notch 17 further enhance the stability and reliability of the device.

[0037] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways.

[0038] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of protection of the present application.

Claims

1. A flattening device for digital printing of cartons, characterized in that, The utility model relates to a paper box paperboard stock flattening device, including: Base; Rotary installation is used for conveying paper box paperboard stock conveying roller on the base; Top cover is arranged on the top of base, and the top cover and the base are all fixed with extension plate; Electric telescopic rod is installed between the extension plate and is used for adjusting the flattening interval; The slider is slidably installed at the bottom of the top cover, and the bottom of the slider is fixed with a spring for buffering pressure; The limiting roller is rotatably installed at the bottom of the spring through the mounting block, and the limiting roller is used for flattening the paper box paperboard stock.

2. The flattening device for digital printing of cartons of claim 1, wherein, The bottom of the top cover is provided with an electric guide rail for adjusting the spacing of the limiting rollers, and the slider is connected with the electric guide rail, the number of limiting rollers is not less than three, and two limiting rollers are arranged in groups, and the side of any two limiting rollers close to each other is provided with a limiting notch for stabilizing the paper box paperboard stock.

3. The flattening device for digital printing of cartons of claim 1, wherein, The base is provided with a servo motor for driving the rotary motion of the conveying roller, the output shaft of the servo motor is connected with the conveying roller, and the side of the base away from the servo motor is provided with a transmission structure for synchronizing the rotary motion of the conveying roller, and the transmission structure is provided with a protective shell for isolating the transmission environment.

4. The flattening device for digital printing of cartons of claim 3, wherein, The transmission structure is composed of a connecting shaft fixed on the conveying roller, a sprocket installed on the connecting shaft and a chain sleeved outside the sprocket for transmission, and the chain is engaged with the sprocket.

5. The flattening device for digital printing of cartons of claim 2, wherein, The electric guide rail is composed of a motor box fixed at the bottom of the top cover for providing power, a rail frame installed at the bottom of the top cover, a threaded rod rotatably installed in the rail frame and a moving piece threaded on the threaded rod, the moving piece is connected with the slider, and the motor box is provided with a reciprocating motor, and the output shaft of the reciprocating motor is connected with the threaded rod.

6. The flattening device for digital printing of cartons of claim 1, wherein, The bottom of the top cover is provided with a limiting groove, the limiting groove is slidably installed with a limiting block connected with the slider, and the limiting groove cooperates with the limiting block to stabilize the slider.

7. The flattening device for digital printing of cartons of claim 1, wherein, The spring is provided with a limiting telescopic rod for guiding the telescopic direction of the spring, the limiting telescopic rod is fixed between the slider and the mounting block, and the conveying roller and the limiting roller are both sleeved with an antiskid sleeve.

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