Rapid detection equipment for printing defects
By integrating components such as OCR visual detection mechanism and laser positioner into the printing defect rapid detection equipment, automated detection and processing are achieved, solving the problem of single and high cost of existing equipment detection, and improving production efficiency and detection efficiency.
Patent Information
- Application Number
- CN202421332614.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-06-12
AI Technical Summary
The existing rapid detection equipment for printing defects lacks the use of OCR visual detection mechanism, resulting in a single inspection, high cost, and the inspection process requires manpower participation, which is time-consuming and labor-intensive.
A rapid printing defect detection device was designed, using components such as laser positioner, OCR vision detection mechanism, cleaning fan and collection box, and machine vision OCR character detection is realized through the OCR vision detection mechanism, and using components such as laser positioner and mobile block to automatically process defective workpieces.
Real-time monitoring of product production quality, improve production efficiency, reduce labor costs, and automatically collect and handle defective workpieces, improving detection efficiency and storage quality.
Smart Images

Figure CN222872766U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printing equipment, in particular to a printing defect rapid detection device. Background Art
[0002] Printing defect rapid detection equipment is a key equipment used in the printing industry. It is mainly used to detect the quality of printed products, timely discover and correct defects in the printing process, and ensure that the quality of printed products meets the standards. This equipment is usually based on visual recognition technology and can quickly and efficiently identify defects on printed products, such as poor printing, color difference, printing position deviation and other problems.
[0003] For example, a Chinese patent with announcement number CN216284974U discloses a rapid detection device for label printing defects, which relates to the technical field of label detection. A rapid detection device for label printing defects includes a frame, a reeling roller is movably installed on one side of the top of the frame, a reeling roller is movably installed on the side of the top of the frame away from the reeling roller, a fixed frame is provided on one side of the reeling roller, a cleaning fan is fixedly installed on the outer surface of the top of the fixed frame, an electric control box is provided on one side of the cleaning fan, the fixed frame and the frame are fixedly connected, the number of the cleaning fans is two, the cleaning fans are symmetrically arranged, and the electric control box is fixedly connected to the fixed frame. The rapid detection device for label printing defects described in this application has a simple structure, is easy to use, has a cleaning function, improves the storage quality of the labels after detection, enhances connectivity, facilitates the installation and disassembly of the transparent plate, has a limiting function, and improves the use effect.
[0004] The existing technology has the following problems:
[0005] However, the problem of lack of OCR visual inspection mechanism in rapid detection equipment for printing defects has not been solved. The single-performance character icon detection requires increased investment in personnel costs and high detection costs. At the same time, when detecting defective printed workpieces, manpower is required to pick them up, which is time-consuming and labor-intensive, and difficult to collect and process in a centralized manner. Utility Model Content
[0006] The utility model provides a printing defect rapid detection device to solve the problems raised in the above background technology.
[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0008] A printing defect rapid detection device includes two laser locators, the bottoms of the two laser locators are fixedly connected with mounting components, the inner walls of the mounting components are provided with conveying mechanisms, two limit components are provided on the left and right sides of the top of the mounting components, and rejection components are fixedly connected near the top on the left and right sides of the top of the mounting components.
[0009] Preferably: the mounting assembly includes a mounting frame and an OCR visual detection mechanism, the inner wall of the mounting frame is arranged on the surface of the conveying mechanism, the top left and right sides of the mounting frame are fixedly connected to the bottom of two laser locators near the front, the top left and right sides of the mounting frame are fixedly connected to an inverted U-shaped frame near the front, and the inverted U-shaped frame is located behind the two laser locators, and cleaning fans are fixedly installed on the top left and right sides of the inverted U-shaped frame.
[0010] Preferably: installation grooves are provided on both sides of the top of the mounting frame, and the installation grooves are located behind the inverted U-shaped frame; slide grooves are provided on both sides of the top of the mounting frame, and the slide grooves are located behind the cleaning fan; two collection boxes are fixedly connected to the left and right sides of the mounting frame, and the two collection boxes are located on the side away from the slide grooves on the left and right sides.
[0011] Preferably, the left and right sides of the bottom of the OCR visual detection mechanism are fixedly connected to the bottoms of the left and right mounting grooves, and the bottom of the inner wall of the OCR visual detection mechanism is fixedly connected with lighting lamps at the front and back.
[0012] Preferably: the limit assembly includes two retractors, the bottoms of the two retractors are fixedly connected to the top of the mounting frame, the output ends of the two retractors are fixedly connected to a limit plate, and the bottom of the limit plate is slidably connected to the surface of a laser locator.
[0013] Preferably: the rejection assembly includes an inverted U-shaped frame 2 and a moving block, the left and right sides of the bottom of the inverted U-shaped frame 2 are fixedly connected to the top of the mounting frame, and the inverted U-shaped frame 2 is located at the top of the left and right slide grooves, a motor is fixedly installed on the right side of the inner wall of the inverted U-shaped frame 2, a threaded shaft is fixedly connected to the output end of the motor, the left side of the threaded shaft is rotatably connected to the left side of the inner wall of the inverted U-shaped frame 2, and two sliding rods are fixedly installed on the front and rear of the inner wall of the inverted U-shaped frame 2, and the two sliding rods are located in front and rear positions of the threaded shaft.
[0014] Preferably: a slide groove penetrating the moving block is opened on the front and back of the left and right sides of the moving block, the inner wall of the slide groove is slidably connected to the outer surface of the slide rod, a thread groove penetrating the moving block is opened in the middle of the left and right sides of the moving block, and the inner wall of the thread groove is threadedly connected to the outer surface of the threaded shaft.
[0015] Preferably: the bottom of the moving block is fixedly connected with a telescope 2, the output end of the telescope 2 is fixedly connected with a push plate, the front and rear of the bottom of the moving block are fixedly connected with a laser locator 2, and the laser locator 2 is located in front and rear positions of the telescope 2.
[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0017] 1. The utility model provides a printing defect rapid detection device, which assists the installation of an OCR visual detection mechanism through the installation slots on the left and right sides of the top of the installation frame, and then uses the OCR visual detection mechanism to perform machine vision OCR character detection in printed products. Through the on-site application of the machine vision detection system, the production enterprise can monitor the product production quality in real time, improve production efficiency, and also greatly save labor costs.
[0018] 2. The utility model provides a rapid detection device for printing defects. When a defective printed product is detected, the motor can be used to provide power to drive the rotation of the threaded shaft, thereby pushing the moving block to move left and right on the surface of the slide rod, and then the laser locator 2 at the bottom of the moving block is used to detect and locate the printed workpiece. The telescope 2 is used to extend and extend the push plate, and then the moving block moves left and right to drive the push plate to push the defective workpiece, and drain it from the landslide grooves opened on the left and right sides of the top of the mounting frame to the inner cavity of the collection box for collection and treatment. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of the utility model;
[0020] Figure 2 This is a schematic diagram of the installation assembly structure of the utility model;
[0021] Figure 3 It is an enlarged structural diagram of the OCR visual detection mechanism of the utility model;
[0022] Figure 4 This is a schematic diagram of the structure of the limit assembly of the utility model;
[0023] Figure 5 It is a schematic diagram of the structure of the rejection component of the utility model;
[0024] Figure 6 It is a schematic diagram of the enlarged structure of the moving block of the utility model.
[0025] In the figure: 1. Installation component; 11. Installation frame; 12. Inverted U-shaped frame 1; 13. Cleaning fan; 14. Installation groove; 15. Landslide groove; 16. Collection box; 17. OCR visual detection mechanism; 18. Lighting lamp; 2. Conveying mechanism; 3. Laser locator 1; 4. Limiting component; 41. Telescope 1; 42. Limiting plate; 5. Rejection component; 51. Inverted U-shaped frame 2; 52. Motor; 53. Threaded shaft; 54. Sliding rod; 55. Moving block; 56. Sliding groove; 57. Threaded groove; 58. Telescope 2; 59. Push plate; 510. Laser locator 2. DETAILED DESCRIPTION
[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0027] like Figure 1 As shown, a printing defect rapid detection device includes two laser locators 3, the bottom of the two laser locators 3 is fixedly connected with a mounting component 1, the inner wall of the mounting component 1 is provided with a conveying mechanism 2, two limit components 4 are provided on the left and right sides of the top of the mounting component 1, and the left and right sides of the top of the mounting component 1 are fixedly connected with a rejection component 5 near the top.
[0028] By installing the auxiliary laser locator 1 3, the conveying mechanism 2, the limit assembly 4 and the rejecting assembly 5, they are stably installed at the predetermined positions to play their predetermined roles.
[0029] like Figure 2 , Figure 3 As shown, the mounting assembly 1 includes a mounting frame 11 and an OCR visual detection mechanism 17. The inner wall of the mounting frame 11 is arranged on the surface of the conveying mechanism 2. The top left and right sides of the mounting frame 11 are fixedly connected to the bottom of the two laser locators 3 near the front. The top left and right sides of the mounting frame 11 are fixedly connected to an inverted U-shaped frame 12 near the front, and the inverted U-shaped frame 12 is located behind the two laser locators 3. Cleaning fans 13 are fixedly installed on the top left and right sides of the inverted U-shaped frame 12. The top left and right sides of the mounting frame 11 are provided with An installation groove 14 is provided, and the installation groove 14 is located behind the inverted U-shaped frame 12. Slide grooves 15 are provided on both sides of the top of the installation frame 11, and the slide grooves 15 are located behind the cleaning fan 13. Two collecting boxes 16 are fixedly connected to the left and right sides of the installation frame 11, and the two collecting boxes 16 are located on the side away from the slide grooves 15 on the left and right sides. The left and right sides of the bottom of the OCR visual detection mechanism 17 are fixedly connected to the bottom of the installation grooves 14 on the left and right sides, and the front and rear bottom of the inner wall of the OCR visual detection mechanism 17 are fixedly connected with lighting lamps 18.
[0030] By installing the left and right sides of the top of the frame 11 near the front and fixing the bottom of the two laser locators 3, the left and right laser locators 3 are used to locate the position of the printed workpiece to prevent it from being offset, and then the inverted U-shaped frame 12 connected to the top of the frame 11 is used to assist in the installation of the cleaning fan 13, and then the cleaning fan 13 is used to provide power, which makes it convenient to clean the surface of the printed workpiece and facilitate the quick drying of the printing ink. At the same time, the installation grooves 14 opened on the left and right sides of the top of the frame 11 are used to assist in the installation of the OCR visual detection mechanism 17, and then the OCR visual detection mechanism 17 is used for the application of machine vision OCR character detection in printed products. Through the on-site application of the machine vision detection system, the production enterprise can monitor the product production quality in real time, improve production efficiency, and also save a lot of labor costs.
[0031] like Figure 4 , Figure 6 As shown, the limit assembly 4 includes two telescopic devices 41, the bottoms of the two telescopic devices 41 are fixedly connected to the top of the mounting frame 11, the output ends of the two telescopic devices 41 are fixedly connected to the limit plate 42, the bottom of the limit plate 42 is slidably connected to the surface of the laser locator 3, and the rejection assembly 5 includes an inverted U-shaped frame 51 and a moving block 55, the left and right sides of the bottom of the inverted U-shaped frame 51 are fixedly connected to the top of the mounting frame 11, and the inverted U-shaped frame 51 is located at the top of the left and right slide grooves 15, and a motor 52 is fixedly installed on the right side of the inner wall of the inverted U-shaped frame 51, and the motor The output end of 52 is fixedly connected with a threaded shaft 53, and the left side of the threaded shaft 53 is rotatably connected to the left side of the inner wall of the inverted U-shaped frame 51. Two sliding rods 54 are fixedly installed on the front and rear inner walls of the inverted U-shaped frame 51, and the two sliding rods 54 are located at the front and rear positions of the threaded shaft 53. The left and right sides of the moving block 55 are provided with sliding grooves 56 that penetrate the moving block 55. The inner wall of the sliding groove 56 is slidably connected with the outer surface of the sliding rod 54. The middle of the left and right sides of the moving block 55 is provided with a threaded groove 57 that penetrates the moving block 55. The inner wall of the threaded groove 57 is threadedly connected with the outer surface of the threaded shaft 53.
[0032] The telescopic device 1 41 in the left and right limit assemblies 4 can provide power to drive the limit plate 42 to push the printed workpiece, move the track position of the conveying mechanism 2, adjust the appropriate detection position, improve applicability, and use the mounting frame 11 to assist the installation of the inverted U-shaped frame 2 51. When a defective printed product is detected, the motor 52 can provide power to drive the rotation of the threaded shaft 53, thereby pushing the moving block 55 to move left and right on the surface of the slide rod 54.
[0033] like Figure 6As shown, the bottom of the moving block 55 is fixedly connected with a telescope 2 58, the output end of the telescope 2 58 is fixedly connected with a push plate 59, the front and rear of the bottom of the moving block 55 are fixedly connected with a laser locator 2 510, and the laser locator 2 510 is located in front and rear positions of the telescope 2 58.
[0034] The laser locator 510 at the bottom of the movable block 55 is used to detect and locate the printed workpiece, and the telescope 58 is used to extend to drive the push plate 59 to extend, so that the movable block 55 moves left and right to drive the push plate 59 to push the defective workpiece from the slide grooves 15 opened on the left and right sides of the top of the mounting frame 11 to the inner cavity of the collection box 16 for collection and processing.
[0035] The working principle of the utility model is as follows: the printed workpiece is driven to move forward and backward by the conveying mechanism 2, and the position of the printed workpiece is positioned by two left and right laser positioning devices 3 to prevent deviation, so that the telescopic device 41 in the two left and right limit assemblies 4 can provide power to drive the limit plate 42 to push the printed workpiece to move the crawler position of the conveying mechanism 2, and adjust the appropriate detection position to improve applicability; then the inverted U-shaped frame 12 connected to the top of the mounting frame 11 is used to assist the installation of the cleaning fan 13, and then the cleaning fan 13 is used to provide power, which is convenient for cleaning the surface of the printed workpiece and the quick drying of the printing ink. At the same time, the mounting grooves 14 opened on both sides of the top of the mounting frame 11 are used to assist the installation of the OCR visual detection mechanism 17, and then the OCR visual detection is used. Mechanism 17 plays the role of applying machine vision OCR character detection in printed products. Through on-site application of machine vision detection system, production enterprises can monitor product production quality in real time, improve production efficiency, and save labor costs significantly. When defective printed products are detected, the motor 52 can be used to provide power to drive the rotation of the threaded shaft 53, thereby pushing the moving block 55 to move left and right on the surface of the slide bar 54, and then the laser positioning device 510 at the bottom of the moving block 55 is used to detect and position the printed workpiece. The telescope 58 is used to extend and extend to drive the push plate 59 to extend, so that the moving block 55 moves left and right, driving the push plate 59 to push the defective workpiece, and drain it from the slide groove 15 opened on both sides of the top of the mounting frame 11 to the inner cavity of the collection box 16 for collection and treatment.
[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A printing defect rapid detection device, comprising two laser locators (3), characterized in that: The bottoms of the two laser locators (3) are fixedly connected with a mounting assembly (1), the inner wall of the mounting assembly (1) is provided with a conveying mechanism (2), the top left and right sides of the mounting assembly (1) are provided with two limit assemblies (4), and the top left and right sides of the mounting assembly (1) are fixedly connected with a rejection assembly (5) near the top; The mounting assembly (1) comprises a mounting frame (11) and an OCR visual detection mechanism (17), the inner wall of the mounting frame (11) is arranged on the surface of the conveying mechanism (2), the top left and right sides of the mounting frame (11) are fixedly connected to the bottom of two laser locators (3) near the front, the top left and right sides of the mounting frame (11) are fixedly connected to an inverted U-shaped frame (12) near the front, and the inverted U-shaped frame (12) is located behind the two laser locators (3), and the top left and right sides of the inverted U-shaped frame (12) are fixedly connected to the bottom of two laser locators (3). A cleaning fan (13) is fixedly installed on both sides; installation grooves (14) are provided on both left and right sides of the top of the installation frame (11), and the installation grooves (14) are located behind the inverted U-shaped frame (12); slide grooves (15) are provided on both left and right sides of the top of the installation frame (11), and the slide grooves (15) are located behind the cleaning fan (13); two collection boxes (16) are fixedly connected to the left and right sides of the installation frame (11), and the two collection boxes (16) are located on the side away from the slide grooves (15) on the left and right sides.
2. The printing defect rapid detection device according to claim 1, characterized in that: The left and right sides of the bottom of the OCR visual detection mechanism (17) are fixedly connected to the bottoms of the left and right mounting grooves (14), and the front and rear sides of the inner wall bottom of the OCR visual detection mechanism (17) are fixedly connected with lighting lamps (18).
3. The printing defect rapid detection device according to claim 1, characterized in that: The limit assembly (4) comprises two telescopic devices (41), the bottoms of the two telescopic devices (41) are fixedly connected to the top of the mounting frame (11), the output ends of the two telescopic devices (41) are fixedly connected to a limit plate (42), and the bottom of the limit plate (42) is slidably connected to the surface of the laser locator (3).
4. The printing defect rapid detection device according to claim 1, characterized in that: The rejecting assembly (5) comprises an inverted U-shaped frame (51) and a moving block (55); the left and right sides of the bottom of the inverted U-shaped frame (51) are fixedly connected to the top of the mounting frame (11), and the inverted U-shaped frame (51) is located at the top of the left and right slide grooves (15); a motor (52) is fixedly installed on the right side of the inner wall of the inverted U-shaped frame (51); a threaded shaft (53) is fixedly connected to the output end of the motor (52); the left side of the threaded shaft (53) is rotatably connected to the left side of the inner wall of the inverted U-shaped frame (51); two sliding rods (54) are fixedly installed on the inner wall of the inverted U-shaped frame (51) at the front and rear, and the two sliding rods (54) are located at the front and rear positions of the threaded shaft (53).
5. The printing defect rapid detection device according to claim 4, characterized in that: The movable block (55) is provided with a slide groove (56) penetrating the movable block (55) at the front and rear of the left and right sides, the inner wall of the slide groove (56) is slidably connected to the outer surface of the slide rod (54), and the movable block (55) is provided with a thread groove (57) penetrating the movable block (55) at the middle of the left and right sides, the inner wall of the thread groove (57) is threadedly connected to the outer surface of the threaded shaft (53).
6. The printing defect rapid detection device according to claim 4, characterized in that: The bottom of the moving block (55) is fixedly connected to a second telescopic device (58), the output end of the second telescopic device (58) is fixedly connected to a push plate (59), and the front and rear of the bottom of the moving block (55) are fixedly connected to a second laser locator (510), and the second laser locator (510) is located at the front and rear positions of the second telescopic device (58).
Citation Information
Patent Citations
Rapid detection equipment for label printing defects
CN216284974U