A printing machine automatic online detection system with clamping structure

By using components such as guide frames and push cylinders, the printed materials are stably centered and clamped, solving the problem of positional deviation during transport. This enables accurate positioning and detection of printed materials and rapid separation of defective products, improving detection efficiency and accuracy.

CN116728956BActive Publication Date: 2026-02-10KUNSHAN DONGFANG TONGCHUANG AUTOMATION EQUIP CO LTD
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Patent Information

Application Number
CN202310697540.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-06-13
Publication Date
2026-02-10
Estimated Expiration
2043-06-13

AI Technical Summary

Technical Problem

In existing automatic online inspection systems for printing presses, the position of printed materials shifts during transport, leading to inaccurate inspection results and the inability to separate defective products in a timely manner.

Method used

An automatic online inspection system for printing presses with a clamping structure is adopted. Through components such as guide frames, moving guide rollers and push cylinders, the printed matter is stably centered and clamped for alignment. Defective products are quickly separated by push plates and push frames.

Benefits of technology

It enables accurate positioning and detection of printed materials and rapid separation of defective products, adapting to the detection needs of different printed materials and improving detection efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a printing machine automatic online detection system with a clamping structure, which comprises a conveying seat, two groups of supporting columns are fixedly installed on the top of the conveying seat, sorting frames are connected to the horizontal ends of the two groups of supporting columns, a meter counter is fixedly installed on the vertical end of one group of the supporting columns, a transfer frame is fixedly installed between the two groups of sorting frames, a guide frame is fixedly installed on the outer wall of one group of the sorting frames, fixed guide rollers are hinged to the bottom of the guide frame and the transfer frame, the two groups of sorting frames each comprise a fixed plate and a moving plate, and a connecting assembly is arranged between the moving plate and the fixed plate. In the application, the guide frame, the transfer frame and the two groups of sorting frames are sequentially distributed, the fixed guide rollers and the movable guide rollers are cooperated, the detection requirements of the printed matter are met, the printed matter is clamped and aligned, and the defective products can be quickly separated from the conveying seat through the cooperation of the pushing frame and the connecting seat.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printed matter quality detection, and particularly relates to a printing machine automatic online detection system with a clamping structure. BACKGROUND

[0002] Inevitably, various errors occur in the printing process of printed matter, thereby causing the unqualified printed matter. At this time, the printed matter printed by the printing machine needs to be detected. However, due to the large number of printed matter, the low efficiency of manual detection, the large time lag of detection, and the influence of visual detection on the experience, psychology and physiology of the observer, the prior art proposes a printing machine automatic online detection system.

[0003] Chinese patent publication No. CN212979569U, published on April 16, 2021, discloses a printing machine automatic online detection system with a clamping structure, which comprises a meter counter, a detector, a first support column and a conveying belt. Paperboard is placed above the conveying belt, and fixed plates are installed on both sides of the conveying belt. The first support column is fixed to the upper end of the fixed plate. The meter counter is installed on one side of the fixed plate, and the detector is installed in the middle of the first support column.

[0004] The above-mentioned existing automatic online detection system detects the size and printing quality of the printed matter through an image pickup assembly, a vertical detector, a vertical detector and a meter counter. In the specific implementation process, the relative position of the printed matter is easy to deviate during the pushing process by the conveying seat, which causes the detection effect of each detection component to deviate. At the same time, the defective products at the detection position cannot be separated from the conveying seat immediately, so it is urgent to propose a printing machine automatic online detection system with a clamping structure to solve the above-mentioned problems. SUMMARY

[0005] The present application relates to the technical field of printed matter quality detection, and particularly relates to a printing machine automatic online detection system with a clamping structure.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0007] The utility model provides a kind of printing machine automatic online detection system with clamping structure, including conveying seat, two groups of support columns are fixedly installed on the top of conveying seat, and the outer side of horizontal end of two groups of support columns is connected with sorting frame, and one group of vertical end of two groups of support columns is fixedly installed with metering device, transfer frame is fixedly installed between two groups of sorting frame, and the outer surface wall of one group of sorting frame is fixedly installed with guide frame, and the bottom of transfer frame is hinged with fixed guide roller, and two groups of sorting frame include fixed plate and moving plate, connecting assembly is arranged between moving plate and fixed plate, the inner surface wall of moving plate is provided with multiple connecting rods, the bottom of multiple connecting rods is hinged with dynamic guide roller, and the top of multiple connecting rods is fixedly installed with cross bar, and the elastic cooperation between cross bar and moving plate is connected with connecting seat, the outer surface wall of conveying seat is fixedly installed with push cylinder, and the output end of push cylinder is provided with linkage assembly for pushing connecting seat to go up.

[0008] Preferably, the connecting seat includes a first part and a second part, the first part and the second part are fixedly connected with two groups of cross bars respectively, and a sliding assembly for vertical linkage of the first part and the second part is arranged between the first part and the second part.

[0009] Preferably, springs are fixedly installed between the bottom of the cross bar and the moving plate, and the inner surface wall of the spring is matched with the outer surface wall of the connecting rod.

[0010] Preferably, the sliding assembly includes a plug rod, the plug rod is fixedly connected with the first part, and the outer surface wall of the plug rod is slidingly connected with the inner surface wall of the second part.

[0011] Preferably, the connecting assembly includes a plug plate and a locking rod, the outer surface wall of the plug plate is fixedly connected with the fixed plate, and the plug plate is slidingly matched with the moving plate, the locking rod is arranged on the top of the moving plate, and the locking rod is screw-coupled with the plug plate through screw holes, and multiple screw holes are horizontally distributed.

[0012] Preferably, the linkage assembly includes a push frame fixedly installed on the output end of the push cylinder and a push plate, the inclined edge two is arranged on the inclined end of the push frame, the inclined edge one is arranged on one side of the second part, and the inclined edge one is matched with the inclined edge two.

[0013] Preferably, the outer surface wall of the horizontal end of two groups of support columns is fixedly connected with connecting columns through screws, and the top of two groups of connecting columns is fixedly connected with two groups of fixed plates respectively.

[0014] As the above technical scheme is adopted, the utility model has the following beneficial effects:

[0015] 1、In this application, after the printed matter enters the conveying seat, the printed matter is stably centered by the guide seat, and the image pickup assembly on the first group of support columns detects the overall phase on the printed matter as the printed matter moves. The printed matter that has completed detection enters the first group of sorting shelves. The moving guide roller continues to clamp and limit the printed matter. At this time, if the overall phase of the printed matter is unqualified, the output end of the push cylinder will drive the push plate and the push frame to move. The push frame first contacts the connecting seat, the bevel one and the bevel two are in sliding fit, the connecting seat is linked to the multiple connecting rods upward and stretches the spring, then the push frame slides against the bottom of the connecting seat, the push plate pushes the defective product away from the conveying seat, the push cylinder drives the push frame and the push plate to reset, and the moving guide roller and the connecting rod are reset under the action of the spring. The printed matter with qualified overall phase is guided between the two groups of transfer shelves. At this time, the meter, the vertical detector and the vertical detector on the second group of support columns can detect the printing position of the printed matter and the horizontal size of the paperboard. After the detection is completed, the printed matter enters the second group of sorting shelves. In the same way, the qualified printed matter continues to transfer, and the unqualified printed matter is separated under the action of the push plate. Through the sequential distribution of the guide frame, the transfer shelf and the two groups of sorting shelves, combined with the fixed guide roller and the moving guide roller, the detection requirements of the printed matter are met while the printed matter is clamped and aligned. At the same time, the defective product can be quickly separated from the conveying seat through the cooperation of the push frame and the connecting seat.

[0016] 2、In this application, the rotating locking rod is separated from the screw hole in the initial position, then the moving plate can be pulled until the screw hole at the specified position of the moving plate corresponds to the locking rod, the rotating locking rod is screwed with the screw hole at this position, and then the fixing plate and the moving plate are fixed at this position. In this way, the width of the sorting shelf as a whole can adapt to the detection requirements of different printed matters. At the same time, during the adjustment of the position of the moving plate, the insertion rod will slide with the inner surface wall of the second part, so as to meet the adjustment requirements of the moving plate, while still being able to link multiple connecting rods and moving guide rollers for vertical movement. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 An overall structure schematic diagram provided by an embodiment of the application is shown;

[0018] Figure 2 A spring structure schematic diagram provided by an embodiment of the application is shown;

[0019] Figure 3 A transfer shelf structure schematic diagram provided by an embodiment of the application is shown;

[0020] Figure 4 A connecting seat structure schematic diagram provided by an embodiment of the application is shown;

[0021] Figure 5 A sorting shelf structure schematic diagram provided by an embodiment of the application is shown.

[0022] Legend:

[0023] 1, delivery seat; 2, support column; 3, meter; 4, push cylinder; 5, push frame; 6, guide frame; 7, transfer frame; 8, sorting frame; 801, fixed plate; 802, moving plate; 9, connecting seat; 901, split one; 902, split two; 10, screw hole; 11, fixed guide roller; 12, push plate; 13, moving guide roller; 14, connecting rod; 15, spring; 16, cross bar; 17, locking rod; 18, bevel one; 19, bevel two; 20, insertion rod; 21, insertion plate. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0025] Please refer to Figures 1-5 The present application provides a technical solution:

[0026] An automatic online detection system of a printing machine with a clamping structure, comprising a delivery seat 1, two groups of support columns 2 are fixedly installed on the top of the delivery seat 1, the horizontal ends of the two groups of support columns 2 are connected with sorting frames 8, one group of the vertical ends of the two groups of support columns 2 is fixedly installed with a meter 3, a transfer frame 7 is fixedly installed between the two groups of sorting frames 8, and the outer wall of one of the sorting frames 8 is fixedly installed with a guide frame 6, the guide frame 6 and the bottom of the transfer frame 7 are hinged with fixed guide rollers 11, the two groups of sorting frames 8 each comprise a fixed plate 801 and a moving plate 802, a connecting assembly is arranged between the moving plate 802 and the fixed plate 801, a plurality of connecting rods 14 are arranged in the inner wall of the moving plate 802, the bottom of the plurality of connecting rods 14 is hinged with moving guide rollers 13, the top of the plurality of connecting rods 14 is fixedly installed with cross bars 16, the cross bars 16 and the moving plate 802 are elastically matched, and the outer wall of the cross bars 16 is connected with a connecting seat 9, a push cylinder 4 is fixedly installed on the outer wall of the delivery seat 1, and a linkage assembly for pushing the connecting seat 9 upwards is arranged between the output end of the push cylinder 4 and the cross bars 16;

[0027] After the printed matter enters the conveying seat 1, the printed matter is stably centered through the guide frame 6, and the image pickup assembly on the first group of support columns 2 detects the overall version on the printed matter as the printed matter moves, and the printed matter after detection enters the first group of sorting frames 8. The pinch roller 13 continues to clamp and position the printed matter. At this time, if the overall version of the printed matter is unqualified, the output end of the push cylinder 4 will drive the push plate 12 and the push frame 5 to move. The push frame 5 first contacts the connecting seat 9, the bevel edge one 18 and the bevel edge two 19 are in sliding fit, the connecting seat 9 is linked to the plurality of connecting rods 14 and the pinch roller 13 upwardly and stretches the spring 15, then the push frame 5 slides against the bottom of the connecting seat 9, the push plate 12 pushes the defective product away from the conveying seat 1, the push cylinder 4 drives the push frame 5 and the push plate 12 to reset, and the pinch roller 13 and the connecting rod 14 are reset under the action of the spring 15. The printed matter with qualified overall version is guided between the two groups of transfer frames 7. At this time, the meter 3, the vertical detector and the vertical detector on the second group of support columns 2 can detect the printing position of the printed matter and the horizontal size of the paperboard. After detection is completed, the printed matter enters the second group of sorting frames 8. Similarly, the qualified printed matter continues to transfer, and the unqualified printed matter is separated under the action of the push plate 12. Through the sequential distribution of the guide frame 6, the transfer frame 7 and the two groups of sorting frames 8, combined with the fixed guide roller 11 and the pinch roller 13, the detection requirements of the printed matter are met while the printed matter is clamped and positioned. At the same time, the defective product can be quickly separated from the conveying seat 1 through the cooperation of the push frame 5 and the connecting seat 9.

[0028] It should be noted that the two groups of support columns 2 are longitudinally distributed, the first group of support columns 2 is fixed with the image pickup assembly, and the second group of support columns 2 is fixed with the horizontal detector and the vertical detector.

[0029] Specifically, as shown in Figure 2 and Figure 4 , the connecting seat 9 includes a first part 901 and a second part 902, the first part 901 and the second part 902 are fixedly connected with the two groups of horizontal rods 16 respectively, and a sliding assembly for vertical linkage of the first part 901 and the second part 902 is arranged between the first part 901 and the second part 902. In this way, the sliding assembly includes a plug rod 20, the plug rod 20 is fixedly connected with the first part 901, and the outer wall of the plug rod 20 is slidingly connected with the inner wall of the second part 902. In this way, the vertical linkage of the plurality of connecting rods 14 can meet the position adjustment requirements of the moving plate 802.

[0030] Specifically, as shown in Figure 2 and Figure 3As shown, the bottom of the crossbar 16 and the moving plate 802 are fixedly provided with the spring 15, and the spring 15 is used to reset the connecting rod 14 and the dynamic guide roller 13 through the elastic force of the spring 15. The inner wall of the spring 15 is attached to the outer wall of the connecting rod 14, so as to limit the horizontal deviation of the spring 15. The connecting assembly includes the plug plate 21 and the locking rod 17. The outer wall of the plug plate 21 is fixedly connected with the fixed plate 801, and the plug plate 21 is slidingly connected with the moving plate 802. The locking rod 17 is arranged on the top of the moving plate 802 and is rotatably connected with the plug plate 21 through the screw hole 10. A plurality of screw holes 10 are horizontally arranged. The locking rod 17 is separated from the screw hole 10 in the initial position, and then the moving plate 802 can be pulled until the screw hole 10 in the specified position of the moving plate 802 corresponds to the locking rod 17. The locking rod 17 is rotatably connected with the screw hole 10 in the position, and the fixing plate 801 and the moving plate 802 are fixed again. In this way, the width of the sorting frame 8 can adapt to the detection requirements of different printed matters. During the position adjustment of the moving plate 802, the plug rod 20 is slidingly connected with the inner wall of the split body 902, so as to meet the adjustment requirements of the moving plate 802, and the plug rod 20 can still be connected with a plurality of connecting rods 14 and dynamic guide rollers 13 to move vertically.

[0031] Specifically, as shown in Figure 1 With Figure 2 As shown, the linkage assembly includes the push frame 5 fixedly arranged on the output end of the push cylinder 4 and the push plate 12. The inclined end of the push frame 5 is provided with the bevel 19, and the split body 902 is provided with the bevel 18. The bevel 18 and the bevel 19 are matched. The output end of the push cylinder 4 drives the push plate 12 and the push frame 5 to move. The push frame 5 first contacts the connecting seat 9. The bevel 18 and the bevel 19 are slidingly connected. The connecting seat 9 drives a plurality of connecting rods 14 and dynamic guide rollers 13 to move upward and stretch the spring 15. Then the push frame 5 slides along the bottom of the connecting seat 9. The push plate 12 pushes the defective products away from the conveying seat 1. The outer wall of the horizontal end of the two supporting columns 2 is fixedly connected with the connecting column through the screw. The top of the two connecting columns is fixedly connected with the two fixed plates 801, so as to facilitate the disassembly and assembly of the overall clamping mechanism.

[0032] Working principle: after the printed matter enters the conveying seat 1, the printed matter is stably centered through the guide frame 6, and with the movement of the printed matter, the image pickup assembly on the first group of support columns 2 detects the overall version on the printed matter, and the printed matter after detection enters the first group of sorting frames 8, the dynamic guide roller 13 continues to clamp and position the printed matter, at this time, if the overall version of the printed matter is unqualified, the output end of the push cylinder 4 will drive the push plate 12 and the push frame 5 to move, the push frame 5 first contacts the connecting seat 9, the bevel edge one 18 and the bevel edge two 19 are in sliding fit, the connecting seat 9 is linked to multiple connecting rods 14 and dynamic guide rollers 13 upward and stretches the spring 15, then the push frame 5 slides against the bottom of the connecting seat 9, the push plate 12 pushes the defective product away from the conveying seat 1, the push cylinder 4 drives the push frame 5 and the push plate 12 to reset, and the dynamic guide roller 13 and the connecting rod 14 are reset under the action of the spring 15, the qualified printed matter is guided into the two groups of transfer frames 7, at this time, the meter 3, the vertical detector and the vertical detector on the second group of support columns 2 can detect the printing position and the horizontal size of the paperboard, after detection is completed, the printed matter enters the second group of sorting frames 8, similarly, the qualified printed matter continues to transfer, and the unqualified one is separated under the action of the push plate 12, through the sequential distribution of the guide frame 6, the transfer frame 7 and the two groups of sorting frames 8, combined with the fixed guide roller 11 and the dynamic guide roller 13, the detection requirements of the printed matter are met while the printed matter is clamped and positioned, and through the cooperation of the push frame 5 and the connecting seat 9, the defective product can be quickly separated from the conveying seat 1, the locking rod 17 is rotated to separate from the screw hole 10 in the initial position, then the moving plate 802 can be pulled, until the screw hole 10 in the specified position of the moving plate 802 corresponds to the locking rod 17, the locking rod 17 is rotated and screwed with the screw hole 10 in the position, and then the fixing of the fixed plate 801 and the moving plate 802 is completed again, so that the width of the sorting frame 8 can adapt to the detection requirements of different printed matters, and in the process of adjusting the position of the moving plate 802, the plug rod 20 will slide with the inner wall of the second part 902, so as to meet the adjustment requirements of the moving plate 802, while still ensuring that it can link multiple connecting rods 14 and dynamic guide rollers 13 to move vertically.

[0033] The above description of the embodiments enables one skilled in the art to make or use the application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic online inspection system for a printing press with a clamping structure, comprising a conveyor (1), characterized in that, Two sets of support columns (2) are fixedly installed on the top of the conveyor seat (1). A sorting frame (8) is connected to the outer side of the horizontal end of each set of support columns (2). A meter counter (3) is fixedly installed on the vertical end of one set of support columns (2). A transfer frame (7) is fixedly installed between the two sets of sorting frames (8). A guide frame (6) is fixedly installed on the outer wall of one set of sorting frames (8). Fixed guide rollers (11) are hinged to the bottom of both the guide frame (6) and the transfer frame (7). Both sets of sorting frames (8) include a fixed plate (801) and a movable plate (802). A connecting component is provided between the movable plate (802) and the fixed plate (801). Multiple sets of connecting rods (14) pass through the inner wall of the movable plate (802). Moving guide rollers (13) are hinged to the bottom of the multiple sets of connecting rods (14). A crossbar (16) is fixedly installed on the top of each set of connecting rods (14). The crossbar (16) and the moving plate (802) are elastically connected, and the outer wall of the crossbar (16) is connected to the connecting seat (9). The connecting seat (9) includes a first part (901) and a second part (902). The outer wall of the conveying seat (1) is fixedly installed with a push cylinder (4). A linkage component for pushing the connecting seat (9) upward is provided between the output end of the push cylinder (4) and the crossbar (16). The linkage component includes a push frame (5) and a push plate (12) fixedly installed at the output end of the push cylinder (4). The inclined end of the push frame (5) is provided with a second inclined side (19). One side of the second part (902) is provided with a first inclined side (18). The first inclined side (18) matches the second inclined side (19). The outer walls of the horizontal ends of the two sets of support columns (2) are fixedly connected with connecting columns by screws. The two sets of connecting columns are fixedly connected to the top of the two sets of fixed plates (801) respectively.

2. The automatic online inspection system for a printing press with a clamping structure according to claim 1, characterized in that, The first part (901) and the second part (902) are respectively fixedly connected to two sets of crossbars (16), and a sliding component for vertical linkage between the first part (901) and the second part (902) is provided.

3. The automatic online inspection system for a printing press with a clamping structure according to claim 2, characterized in that, A spring (15) is fixedly installed between the bottom of the crossbar (16) and the moving plate (802), and the inner wall of the spring (15) is in contact with the outer wall of the connecting rod (14).

4. The automatic online inspection system for a printing press with a clamping structure according to claim 3, characterized in that, The sliding assembly includes a plug (20), which is fixedly connected to the first part (901), and the outer wall of the plug (20) is slidably connected to the inner wall of the second part (902).

5. The automatic online inspection system for a printing press with a clamping structure according to claim 4, characterized in that, The connecting assembly includes a insert plate (21) and a locking rod (17). The outer wall of the insert plate (21) is fixedly connected to the fixed plate (801), and the insert plate (21) is slidably engaged with the movable plate (802). The locking rod (17) passes through the top of the movable plate (802), and the locking rod (17) is screwed into the insert plate (21) through screw holes (10). Multiple sets of screw holes (10) are horizontally distributed.

Citation Information

Patent Citations

  • Automatic online detection system with clamping structure for printing machine

    CN212979569U

  • Paperboard feeding and positioning device

    CN213679007U