Printing cylinder capable of detecting defects of gilded paper and giving alarm

Abstract

The utility model discloses a printing cylinder capable of detecting defects of gilded paper and giving an alarm, and belongs to the field of cylinders. The printing device mainly comprises a printing assembly, the printing assembly comprises two sets of side plates, a plurality of sets of bearing seats are fixedly installed on the two sets of side plates, a printing roller is arranged between the bearing seats, paper makes contact with the printing roller, and a cleaning assembly used for cleaning the paper conveyed on the printing roller in advance is fixedly installed on one side of the printing assembly. According to the printing cylinder capable of detecting the defects of the gilding paper and giving the alarm, through the combination of the roller and the air pipe, before the paper is detected, the surface of the paper can be cleaned, meanwhile, under the driving of the roller and the air pipe, the defects of the gilding paper can be detected, and the defects of the gilding paper can be detected. Dust, paper scraps and other sundries attached to the surface of the paper can be effectively removed, interference factors on the surface of the paper are reduced in the cleaning process, and then the misjudgment frequency of paper defect detection is remarkably reduced.

Description

Technical Field

[0001] This application relates to the field of roller technology, specifically to a printing roller capable of detecting and alarming defects in hot stamping paper. Background Technology

[0002] Hot stamping paper is a special type of paper that has metal foil (such as gold, silver, laser, etc.) coated on its surface through hot or cold pressing processes to enhance its appearance and texture. It is also a printing cylinder that can detect defects in hot stamping paper and trigger an alarm. It is a key component of printing equipment that integrates defect detection sensors and intelligent alarm systems. It is mainly used to monitor the surface defects of hot stamping paper in real time during the printing process and trigger an alarm when an abnormality is detected, so as to improve the efficiency of printing quality control.

[0003] Traditional printing cylinders often directly print on hot stamping paper during operation. However, the surface of hot stamping paper may contain tiny particles such as dust and debris. These particles not only affect the clarity and color uniformity of the print, but also interfere with subsequent detection of paper defects. When using technologies such as machine vision to detect paper defects, these dust and debris are easily misjudged as defects in the paper itself, leading to an increase in the frequency of defect detection, reduced production efficiency, and an increase in the workload of manual re-inspection.

[0004] Therefore, it is necessary to provide printing rollers that can detect and alarm on defects in hot stamping paper to solve the above problems. Utility Model Content

[0005] Based on the aforementioned problems in the existing technology, the problem to be solved by this application is to provide a printing roller that can detect and alarm on hot stamping paper defects, thereby achieving the effect of surface cleaning of the paper before detection.

[0006] The technical solution adopted by this application to solve its technical problem is: a printing roller that can detect and alarm for defects in hot stamping paper, including a printing assembly, the printing assembly including two sets of side plates, and several sets of printing rollers rotatably mounted between the two sets of side plates through bearing seats, the printing rollers contacting paper, and a cleaning assembly for pre-cleaning the paper conveyed on the printing rollers fixedly installed on one side of the printing assembly.

[0007] Furthermore, the cleaning assembly includes a support base fixedly installed at the end of the side plate, a roller is mounted between the support bases by bearings, and an air duct is fixedly installed on the roller, with the air duct located on one side of the side plate.

[0008] Furthermore, a fixing rod is fixedly installed on the side plate, and a storage box is fixedly installed on the fixing rod. The storage box can be located at the bottom of the air duct.

[0009] Furthermore, a drive component is provided between the printing component and the cleaning component, the drive component being used to transmit power from the printing component to the cleaning component.

[0010] Furthermore, the drive assembly includes two sets of pulleys, one set of which is fixedly connected to the printing roller near the air duct, and the other set of which is fixedly connected to the roller. A belt strip is sleeved between the two sets of pulleys.

[0011] Furthermore, two sets of support bars are fixedly installed on the side plate. The support bars can be located on the upper and lower outer sides of the belt strip. The end of the support bar is fixedly installed with a locking block. A groove that matches the thickness of the belt strip can be formed between the support bar and the locking block.

[0012] Furthermore, rollers are rotatably connected to the adjacent surfaces of the support bar and the locking block, and the two sets of rollers can contact the upper and lower surfaces of the belt strip.

[0013] The beneficial effects of this application are:

[0014] The printing roller provided in this application, capable of detecting and alarming defects in hot stamping paper, can perform rolling cleaning on the paper surface before the paper is detected by a combination of roller and air duct. At the same time, driven by the roller and air duct, it can effectively remove dust, paper scraps and other debris attached to the paper surface. This cleaning process reduces interference factors on the paper surface, thereby significantly reducing the false judgment frequency of paper defect detection. Furthermore, while the air duct is continuously cleaning the paper, the dust and impurities remaining after the air duct cleans the paper can be effectively collected in the storage box. Attached Figure Description

[0015] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings:

[0016] Figure 1 This is an overall schematic diagram of the printing cylinder in this application that can detect and alarm for defects in hot stamping paper;

[0017] Figure 2 This is a diagram illustrating the cleanup components;

[0018] Figure 3 This is a schematic diagram of the driving components;

[0019] Figure 4 This is a schematic diagram of the rollers in the drive assembly;

[0020] The following are the labeling elements in the figure:

[0021] 10. Printing assembly; 11. Side plate; 12. Printing roller; 13. Bearing housing;

[0022] 20. Cleaning assembly; 21. Support base; 22. Roller; 23. Air duct; 24. Fixing rod; 25. Storage box; 26. Inclined plate;

[0023] 30. Drive assembly; 31. Support bar; 32. Pulley; 33. Belt strip; 34. Roller; 35. Clamping block. Detailed Implementation

[0024] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0026] like Figures 1-4 As shown, this application provides a printing cylinder capable of detecting and alarming defects in hot stamping paper, including a printing assembly 10 and a cleaning assembly 20 fixedly installed on one side of the printing assembly 10. A drive assembly 30 is also fixedly installed between the printing assembly 10 and the cleaning assembly 20. The printing assembly 10 integrates a defect detection sensor and a key component of an intelligent alarm system for printing equipment. It is mainly used to monitor paper surface defects in real time during the printing process and trigger an alarm when an abnormality is detected, thereby improving the efficiency of printing quality control. The cleaning assembly 20 is used for pre-processing the paper before it enters the defect detection stage, so that the detection device on the printing assembly 10 can more accurately identify the real defects of the paper itself, rather than false defects caused by impurities. Finally, the drive assembly 30 is used to transmit the drive from the printing assembly 10 to the cleaning assembly 20, thereby eliminating the need to configure a separate power source for the cleaning assembly 20. By sharing power with the printing assembly 10, the number of power equipment such as motors is reduced, thus reducing equipment costs and energy consumption.

[0027] The printing assembly 10 includes two sets of side plates 11, on which several sets of bearing seats 13 are fixedly installed. The bearing seats 13 can provide a stable and reliable support structure for the printing roller 12. At the same time, the side plates 11 can be made of high-strength metal material, which has good rigidity and stability and can effectively resist mechanical stress during the printing process. The printing roller 12 is arranged between the bearing seats 13, and the printing roller 12 contacts the paper. In the paper defect detection stage, the stable rotation of the printing roller 12 can drive the paper to pass smoothly through the detection area, providing a continuous and stable detection surface for the detection device.

[0028] The cleaning assembly 20 includes a support base 21 fixedly installed at the end of the side plate 11. The support base 21 is secured by bolts or welding. A roller 22 is mounted on the support base 21 with bearings. An air duct 23 is fixedly installed on the roller 22. The air duct 23 can access external air through the roller 22. A rotary joint (not shown) can be provided between the air duct 23 and the roller 22. When the roller 22 rotates, the rotating end of the rotary joint rotates synchronously, while the fixed end remains stationary to prevent leakage. Thus, the air duct 23 can blow air towards one side of the printing roller 12, thereby blowing the paper on the printing roller 12 without damaging the paper.

[0029] The air duct 23 uses airflow to clean the paper, avoiding direct contact between the structure and the paper, eliminating the risk of paper damage that may result from contact. Furthermore, the air duct 23 rotates with the roller 22, allowing the airflow to act on the paper surface from multiple angles and in all directions, improving the uniformity and comprehensiveness of the cleaning. During the rotation, the dynamic impact effect of the airflow further enhances the ability to remove stubborn impurities.

[0030] A fixing rod 24 is fixedly installed on the side panel 11, and a storage box 25 is fixedly installed on the fixing rod 24. The storage box 25 can be located at the bottom of the air duct 23, so that the dust, impurities and other residues left after cleaning the air duct 23 can be effectively stored in the storage box 25.

[0031] When the printing roller 12 rotates and moves the paper, an external air source delivers compressed air into the roller 22. The air enters each air duct 23 through the internal channel of the roller 22 and is blown onto the paper surface through the air duct 23. At this time, dust and debris on the paper surface are detached from the paper under the action of the airflow and fall into the collection box 25 below with the direction of the airflow. The rotation of the roller 22 ensures that the airflow can continuously and evenly act on all parts of the paper, achieving efficient cleaning.

[0032] Meanwhile, a ramp 26 is fixedly installed on the storage box 25. The ramp 26 can block and guide the airflow above the storage box 25. When the air duct 23 blows out dust and impurities, the impurities are pushed by the airflow and hit the ramp 26. Then, under the action of gravity, they slide down the flow surface of the ramp 26 to the bottom of the storage box 25, thereby preventing the dust and impurities from being easily scattered after being collected by the storage box 25.

[0033] The drive assembly 30 includes two sets of pulleys 32. One set of pulleys 32 is fixedly connected to the printing roller 12 near the air duct 23, while the other set of pulleys 32 is fixedly connected to the roller 22. A belt strip 33 is sleeved between the two sets of pulleys 32. The belt strip 33 can be made of high-strength, wear-resistant, and highly elastic rubber. Through precise tension adjustment, it is made to fit tightly against the pulleys 32. When the printing roller 12 is driven to rotate by an external motor, the pulleys 32 fixedly connected to the printing roller 12 rotate accordingly, thereby driving the belt strip 33 to rotate, which in turn drives the other set of pulleys 32 connected to the roller 22 to rotate. Ultimately, the roller 22 drives the air duct 23 to rotate synchronously, realizing the rolling cleaning of the paper. At the same time, no additional independent power source is required, simplifying the equipment structure and reducing equipment costs and energy consumption.

[0034] Two sets of support bars 31 are fixedly installed on the side plate 11. The support bars 31 can be located on the upper and lower outer sides of the belt bar 33. The end of the support bar 31 is fixedly installed with a locking block 35, so that a groove that matches the thickness of the belt bar 33 can be formed between the support bar 31 and the locking block 35. When the belt bar 33 moves under the drive of the pulley 32, the groove structure can constrain the upper and lower sides of the belt bar 33, thereby effectively suppressing the lateral swing and jumping that the belt bar 33 may produce during operation, and thus improving the stability of the belt bar 33.

[0035] The support bar 31 and the locking block 35 are rotatably connected to rollers 34 on their respective close surfaces. The two sets of rollers 34 can contact the upper and lower surfaces of the belt bar 33. The rollers 34 can be made of high-strength wear-resistant material, and their outer circumferential surfaces are polished to reduce the coefficient of friction with the belt bar 33. When the belt bar 33 moves under the drive of the pulley 32, the rollers 34 roll accordingly, thereby ensuring that the support bar 31 suppresses the swing of the belt bar 33 without causing transmission interference.

[0036] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A printing cylinder capable of detecting and alarming defects in hot stamping paper, characterized in that: The printing assembly (10) includes two sets of side plates (11), and several sets of printing rollers (12) are rotatably mounted between the two sets of side plates (11) via bearing seats (13). Hot stamping paper is in contact with the printing rollers (12). A cleaning assembly (20) for pre-cleaning the paper conveyed on the printing rollers (12) is fixedly installed on one side of the printing assembly (10).

2. The printing cylinder capable of detecting and alarming defects in hot stamping paper according to claim 1, characterized in that: The cleaning assembly (20) includes a support base (21) fixedly installed at the end of the side plate (11), a roller (22) is mounted between the support bases (21) and a duct (23) located on one side of the side plate (11) is fixedly installed on the roller (22).

3. The printing cylinder capable of detecting and alarming defects in hot stamping paper according to claim 2, characterized in that: A fixing rod (24) is fixedly installed on the side plate (11), and a storage box (25) is fixedly installed on the fixing rod (24). The storage box (25) is located below the air duct (23).

4. The printing cylinder capable of detecting and alarming defects in hot stamping paper according to claim 1, characterized in that: A drive assembly (30) is provided between the printing assembly (10) and the cleaning assembly (20), the drive assembly (30) being used to transmit power from the printing assembly (10) to the cleaning assembly (20).

5. The printing cylinder capable of detecting and alarming defects in hot stamping paper according to claim 4, characterized in that: The drive assembly (30) includes two sets of pulleys (32), one set of pulleys (32) is fixedly connected to the end of the printing roller (12) near the air duct (23), and the other set of pulleys (32) is fixedly connected to the end of the roller (22). Meanwhile, a belt strip (33) is sleeved between the two sets of pulleys (32).

6. The printing cylinder capable of detecting and alarming defects in hot stamping paper according to claim 5, characterized in that: Two sets of support bars (31) are fixedly installed on the side plate (11). The support bars (31) can be located on the upper and lower outer sides of the belt strip (33). The end of the support bar (31) is fixedly installed with a locking block (35). A groove that matches the thickness of the belt strip (33) can be formed between the support bar (31) and the locking block (35).

7. The printing cylinder capable of detecting and alarming defects in hot stamping paper according to claim 6, characterized in that: The support bar (31) and the card block (35) are rotatably connected to rollers (34) on their respective close surfaces, and the two sets of rollers (34) can contact the upper and lower surfaces of the belt strip (33).

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