Folding mark detection mechanism for printing

By using infrared photoelectric equipment and an automatic adjustment mechanism, the problem of online inspection of label creases during film winding has been solved, enabling rapid detection and automatic adjustment, reducing downtime and improving production efficiency.

CN223597518UActive Publication Date: 2025-11-25NANJING DINGZHENG PACKAGING MATERIALS CO LTD
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Patent Information

Application Number
CN202423099698.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-25
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

In existing technologies, the film is wound up at a high speed, making it difficult for operators to distinguish label creases during online inspection, which requires machine downtime for adjustment, wasting time and effort.

Method used

Using infrared photoelectric equipment in conjunction with a threaded rod and adjustment detection components, the label position deviation is detected in real time. The controller controls the winding mechanism and electromagnet to automatically adjust the creases and uses an elastic telescopic rod to flatten the creases.

Benefits of technology

It enables rapid online detection of label creases, reducing downtime for adjustments and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223597518U_ABST
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Abstract

The utility model discloses a crease detection mechanism for printing, which relates to the technical field of label printing and comprises a base, a winding mechanism is arranged at the top of the base, a controller is mounted at the top of the base, a first supporting plate is arranged at the top of the base, and a supporting roller is rotatably connected to the outer wall of the first supporting plate. A first supporting plate is arranged on the base, a supporting roller is arranged on the first supporting plate, a second supporting plate is arranged on the top of the base, an adjusting and detecting assembly is arranged on the outer wall of the second supporting plate, and a leveling assembly is arranged on the portion, located above the supporting roller, of the outer wall of the first supporting plate. When the crease appears, the position of the infrared light mark deviates, online inspection by operators is facilitated, distinguishing is easy, and the position where the crease appears can be adjusted conveniently.
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Description

TECHNICAL FIELD

[0001] The utility model relates to label printing technical field, concretely is a crease detection mechanism for printing. BACKGROUND

[0002] The wide application of labels and the continuous development of label varieties naturally promote the development of label printing technology. Label printing covers all printing methods such as flat, convex, concave, and net, and the application situations in various countries are not the same. However, from the development trend of global labels in recent years, it can be seen that flexographic printing, narrow web rotary printing, and digital printing have become the highlights of label printing in European and American countries, and are also the development trend of label printing. At the end of the printing equipment, the labels are wound through a winding mechanism. During the winding process, the work personnel need to observe whether there are creases on the labels.

[0003] In the prior art, the work personnel need to check online. Since the film is wound at a high speed, it is difficult to distinguish through online observation. When there are creases, the machine needs to be stopped for adjustment, which is time-consuming and laborious. UTILITY MODEL CONTENT

[0004] The technical solution of the utility model provides a solution significantly different from the prior art to solve the problem that the prior art solution is too single. Specifically, the purpose of the utility model is to provide a crease detection mechanism for printing to solve the problem that the work personnel need to check online, since the film is wound at a high speed, it is difficult to distinguish through online observation, and the machine needs to be stopped for adjustment when there are creases, which is time-consuming and laborious.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a crease detection mechanism for printing, comprising a base, a winding mechanism is arranged on the top of the base, a controller is installed on the top of the base, a first support plate is arranged on the top of the base, a support roller is rotatably connected to the outer wall of the first support plate, a second support plate is arranged on the top of the base, an adjusting and detecting assembly is arranged on the outer wall of the second support plate, and a leveling assembly is arranged above the support roller on the outer wall of the first support plate.

[0006] Preferably, the adjusting and detecting assembly comprises a threaded rod rotatably connected to the second support plate, a moving seat is arranged on the outer wall of the threaded rod in threaded cooperation with the threaded rod, and an infrared photoelectric device is installed on the outer wall of the moving seat.

[0007] Preferably, a limiting rod is arranged on the bottom of the moving seat, and a limiting groove is arranged on the outer wall of the second support plate in sliding cooperation with the outer wall of the limiting rod.

[0008] Preferably, the leveling assembly comprises a fixed plate arranged on the outer wall of the upper end of the first supporting plate, the bottom of the fixed plate is symmetrically provided with sliding columns, the bottom of each sliding column is connected with a connecting block, the bottom of the fixed plate is provided with an electromagnet, the outer wall of the sliding column is provided with a sliding plate in sliding fit with the sliding column, the inner portion of the sliding plate is provided with an iron block corresponding to the electromagnet, the bottom of the sliding plate is provided with a touch switch corresponding to the top of the connecting block, the outer wall of the first supporting plate is provided with a fixed rod, the outer wall of the fixed rod is provided with a moving ring in sliding fit with the fixed rod, a connecting rod is hinged between the iron block and the moving ring, and the bottom of the moving ring is provided with a flattening structure.

[0009] Preferably, the bottom of the iron block is provided with a gravity ball.

[0010] Preferably, the flattening structure comprises an elastic telescopic rod arranged at the bottom of the moving ring, and the bottom of the elastic telescopic rod is connected with a compression roller located at the top of the supporting roller.

[0011] Compared with the prior art, the leveling assembly has the advantages that:

[0012] The utility model discloses a label position is according to, rotates the threaded rod, and the threaded rod drives mobile seat to move, and mobile seat is limited in the sliding of the limiting slot through the limiting rod of bottom, makes the infrared photoelectric equipment of mobile seat outer wall aligns the label position, and the infrared light mark of infrared photoelectric equipment emission is irradiated on the label, and the position deviation of label pattern and infrared light mark only needs to be observed when winding, and the position deviation of infrared light mark will occur when crease appears, and convenient for the on-line inspection of operating personnel, and easy to distinguish.

[0013] If the crease is found when the on-line inspection, the operating personnel controls the winding mechanism to stop winding through the controller, controls the electromagnet to cut off electricity simultaneously, the electromagnet loses magnetism under the cut-off electricity, and the iron block falls under the action of gravity ball and the magnetism of itself and drives the sliding plate to slide downward on the outer wall of the sliding column, and the iron block pushes the moving ring to slide to one side on the outer wall of the fixed rod through the connecting rod, and the moving ring drives the elastic telescopic rod to make the compression roller roll on the surface of the supporting roller to the right side, and the supporting roller can flatten the crease when rolling on the surface of the film, and the effect of the elastic telescopic rod can be adjusted automatically according to the film thickness, and after the touch switch of the bottom of the sliding plate moves and contacts the connecting block, the electromagnet can be controlled to continue to be electrified, so that the iron block resets under the action of magnetism, and the compression roller resets, thereby facilitating the adjustment of the position of the crease. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the utility model;

[0015] Figure 2 It is the A place enlarged view in the utility model; Figure 1

[0016] ​Figure 3 It is the overhead structure schematic view of the adjusting and detecting assembly of the utility model;

[0017] Figure 4 It is the B place enlarged view in the utility model Figure 2 ;

[0018] Figure 5 It is the side structure schematic view of the leveling assembly of the utility model.

[0019] In the drawing: 1, base; 2, winding mechanism; 3, controller; 4, first support plate; 5, support roller; 6, second support plate; 7, threaded rod; 8, moving seat; 9, infrared photoelectric device; 10, limiting rod; 11, limiting groove; 12, fixed plate; 13, sliding column; 14, connecting block; 15, electromagnet; 16, sliding plate; 17, iron block; 18, touch switch; 19, gravity ball; 20, fixed rod; 21, moving ring; 22, connecting rod; 23, elastic telescopic rod; 24, compression roller. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0021] Please refer to Figures 1-5 , the utility model provides a kind of technical scheme: a crease detection mechanism for printing, including base 1, the top of base 1 is provided with winding mechanism 2, the top of base 1 is installed with controller 3, the top of base 1 is provided with first support plate 4, the outer wall of first support plate 4 is rotatably connected with support roller 5, the top of base 1 is provided with second support plate 6, the outer wall of second support plate 6 is provided with adjusting and detecting assembly, the outer wall of first support plate 4 is provided with leveling assembly above support roller 5.

[0022] Adjusting and detecting assembly includes the threaded rod 7 rotatably connected with second support plate 6, the outer wall of threaded rod 7 is provided with moving seat 8 with screw thread cooperation, the outer wall of moving seat 8 is installed with infrared photoelectric device 9.

[0023] The bottom of moving seat 8 is provided with limiting rod 10, the outer wall of second support plate 6 is provided with limiting groove 11 with sliding cooperation with the outer wall of limiting rod 10.

[0024] The leveling assembly comprises a fixed plate 12 arranged on the outer wall of the upper end of the first supporting plate 4, symmetrically arranged on the bottom of the fixed plate 12 are sliding columns 13, the bottom of each of the sliding columns 13 is connected with a connecting block 14, the bottom of the fixed plate 12 is provided with an electromagnet 15, the outer wall of the sliding column 13 is provided with a sliding plate 16 in sliding cooperation with the sliding column 13, the inner part of the sliding plate 16 is provided with an iron block 17 corresponding to the electromagnet 15, the bottom of the sliding plate 16 is provided with a touch switch 18 corresponding to the top of the connecting block 14, the outer wall of the first supporting plate 4 is provided with a fixed rod 20, the outer wall of the fixed rod 20 is provided with a moving ring 21 in sliding cooperation with the fixed rod 20, a connecting rod 22 is hinged between the iron block 17 and the moving ring 21, and the bottom of the moving ring 21 is provided with a flattening structure.

[0025] The bottom of the iron block 17 is provided with a gravity ball 19.

[0026] The bottom of the iron block 17 is provided with a gravity ball 19.

[0027] Working principle: when the crease detection mechanism for printing is used, firstly, the film of the printed label is wound through the winding mechanism 2 by passing through the supporting roller 5, according to the position of the label, the threaded rod 7 is rotated to drive the moving seat 8 to move, the moving seat 8 is limited in the limiting groove 11 by the bottom limiting rod 10 to slide, the infrared photoelectric device 9 on the outer wall of the moving seat 8 is aligned with the label position, the infrared light mark emitted by the infrared photoelectric device 9 is irradiated on the label, and only the position deviation of the label pattern and the infrared light mark needs to be observed when the film is wound, the position of the infrared light mark will be deviated when the crease appears, so that the on-line inspection of the operator is facilitated and the identification is easy;

[0028] The controller 3 is electrically connected with the power equipment in the winding mechanism 2 and the electromagnet 15 respectively, and the electromagnet 15 is electrically connected with the touch switch 18;

[0029] Then, when on-line inspection is conducted, if the crease is found, the operator controls the winding mechanism 2 to stop winding through the controller 3, controls the electromagnet 15 to be powered off at the same time, the electromagnet 15 loses magnetism after being powered off, the iron block 17 falls under the action of the gravity ball 19 and the magnetic force of itself, and drives the sliding plate 16 to slide downwards on the outer wall of the sliding column 13, the iron block 17 drives the moving ring 21 to slide to one side on the outer wall of the fixed rod 20 through the connecting rod 22, the moving ring 21 drives the elastic telescopic rod 23 to make the compression roller 24 roll on the surface of the supporting roller 5 to the right side, the supporting roller 5 can flatten the crease while rolling on the surface of the film, the elastic telescopic rod 23 can be automatically adjusted according to the film thickness, and after the touch switch 18 on the bottom of the sliding plate 16 moves to contact the connecting block 14, the electromagnet 15 can be controlled to continue to be powered on, then the iron block 17 is reset under the action of the magnetic force, the compression roller 24 is also reset, and the operator can control the winding mechanism 2 to continue winding through the controller 3, so that the on-line detection of the crease can be continued.

[0030] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A crease detection mechanism for printing comprising a base (1) characterised in that: The top of the base (1) is provided with a winding mechanism (2), the top of the base (1) is provided with a controller (3), the top of the base (1) is provided with a first support plate (4), the outer wall of the first support plate (4) is rotatably connected with a supporting roller (5), the top of the base (1) is provided with a second support plate (6), the outer wall of the second support plate (6) is provided with an adjusting and detecting assembly, and the outer wall of the first support plate (4) is provided with a leveling assembly above the supporting roller (5).

2. The crease detection mechanism for printing according to claim 1, wherein: The adjusting and detecting assembly comprises a threaded rod (7) rotatably connected with the second support plate (6), the outer wall of the threaded rod (7) is provided with a moving seat (8) threadedly matched with the threaded rod (7), and the outer wall of the moving seat (8) is provided with an infrared photoelectric device (9).

3. The crease detection mechanism for printing according to claim 2, wherein: The bottom of the moving seat (8) is provided with a limiting rod (10), and the outer wall of the second support plate (6) is provided with a limiting groove (11) slidably matched with the outer wall of the limiting rod (10).

4. The crease detection mechanism for printing according to claim 1, wherein: The leveling assembly comprises a fixed plate (12) arranged on the outer wall of the upper end of the first support plate (4), the bottom of the fixed plate (12) is symmetrically provided with a sliding column (13), the bottom of the sliding column (13) is connected with a connecting block (14), the bottom of the fixed plate (12) is provided with an electromagnet (15), the outer wall of the sliding column (13) is provided with a sliding plate (16) slidably matched with the sliding column (13), the inside of the sliding plate (16) is provided with an iron block (17) corresponding to the electromagnet (15), the bottom of the sliding plate (16) is provided with a touch switch (18) corresponding to the top of the connecting block (14), the outer wall of the first support plate (4) is provided with a fixed rod (20), the outer wall of the fixed rod (20) is provided with a moving ring (21) slidably matched with the fixed rod (20), the iron block (17) and the moving ring (21) are hingedly connected with a connecting rod (22), and the bottom of the moving ring (21) is provided with a pushing structure.

5. The crease detection mechanism for printing according to claim 4, wherein: The bottom of the iron block (17) is provided with a gravity ball (19).

6. The crease detection mechanism for printing according to claim 4, wherein: The pushing structure comprises an elastic telescopic rod (23) arranged at the bottom of the moving ring (21), and the bottom of the elastic telescopic rod (23) is connected with a compression roller (24) located at the top of the supporting roller (5).