A fully automatic die-cutting detection machine and detection method

Through the design of a fully automatic die-cutting detection machine, the drum mechanism and image acquisition device are used to realize continuous detection of die-cutting products and bad product marking, which solves the problem that existing equipment cannot meet high-speed flexible detection and achieves high precision and high speed detection capability.

CN112147152BActive Publication Date: 2025-01-10YISHI ZHITONG TECH SHENZHEN CO LTD
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Patent Information

Application Number
CN202011140283.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-10-22
Publication Date
2025-01-10
Estimated Expiration
2040-10-22

AI Technical Summary

Technical Problem

The existing semi-automatic die-cutting inspection equipment cannot achieve continuous inspection, and lacks the marking of poor die-cutting products. The inspection products are single and cannot meet the needs of high-speed flexibility.

Method used

A fully automatic die-cutting detection machine is designed, including a material discharge device, a roller mechanism, a material coil motor, a detection and processing device, an image acquisition device and a coder device, which can detect the image to be detected in real time, continuously collect images, and Mark bad die-cut products to achieve high-speed flexible inspection.

Benefits of technology

It realizes high-precision inspection of various products, with high compatibility, fast detection speed and high accuracy. It can continuously detect products until the same roll is die-cut and test products are completed, and bad products are marked to meet the needs of high-speed flexibility. .

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Patent Text Reader

Abstract

The present invention discloses a fully automatic die-cutting inspection machine and inspection method, including: a material discharge device for holding the die-cutting product to be inspected, wherein the die-cutting product to be inspected is formed by rolling up the film to be inspected; a roller mechanism for loosening and pressing the film to be inspected; a material coiling motor for driving the roller mechanism to operate through a belt to drive the film to be inspected forward; a material receiving device for holding the die-cutting product after inspection; a detection and processing device for real-time feedback of the line frequency to the image acquisition device; an image acquisition device for continuously collecting and generating the image of the film to be inspected according to the line frequency connection; the detection and processing device is also used for real-time detection of the image of the film to be inspected, real-time detection and marking of bad die-cutting products, and notifying the coding device of the detection results of the bad die-cutting products; the coding device is used to code and label the bad die-cutting products according to the detection results of the bad die-cutting products. Through the embodiments of the present invention, continuous and non-stop product inspection can be achieved, and bad die-cutting products can be marked to meet the high-speed flexibility requirements.
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Description

Technical Field

[0001] The invention relates to the field of die-cutting product detection, and in particular to a full-automatic die-cutting detection machine and a detection method. Background Art

[0002] Die-cut product inspection is a critical link in the manufacturing of die-cut products. In electronics, electrical appliances, copiers, digital cameras, laptops, mobile phones, automobiles, instruments and meters, and other electronic communication digital products, die-cut products are needed for insulation, fixation, dust prevention, shock absorption, sealing, etc. With the development of production towards automation, intelligence, precision, high speed, and flexibility, higher requirements are put forward for the dimensional accuracy, lack of glue, insufficient glue, and hole blocking of die-cut products. The diversification of die-cut product shapes, colors, and materials also leads to increasing difficulty in inspection.

[0003] The existing traditional semi-automatic die-cutting inspection equipment can only detect single materials, colors, and shapes. The inspection product material and color are single, the compatibility is poor, the speed is slow, the accuracy is low, and it cannot perform full product inspection and mark defective products, resulting in high costs and low production capacity. It has limitations on the inspectable products and cannot meet the needs of flexible and high-speed inspection of die-cutting production lines. Summary of the invention

[0004] In view of this, an embodiment of the present invention provides a fully automatic die-cutting inspection machine and inspection method, which can realize continuous and uninterrupted inspection of products until the inspection of the same roll of products to be die-cut is completed, and can mark defective die-cut products, and can inspect a variety of products, with high compatibility, fast inspection speed and high precision, and can meet the needs of high speed and flexibility.

[0005] The technical solution adopted by the present invention to solve the above technical problems is as follows:

[0006] According to one aspect of an embodiment of the present invention, a fully automatic die-cutting inspection machine is provided, comprising: a material unloading device, a roller mechanism, a material receiving device, a coiling motor, a detection and processing device, an image acquisition device, and a coding device; wherein:

[0007] The material discharge device is used to hold the die-cut product to be inspected, and the die-cut product to be inspected is formed by rolling up the film to be inspected;

[0008] The roller mechanism is used to loosen and press the film to be inspected;

[0009] The coil motor is used to drive the roller mechanism to operate through a belt, thereby driving the film to be inspected to move forward;

[0010] The material receiving device is used to hold the die-cut products that have been inspected;

[0011] The detection and processing device is used to feed back the line frequency to the image acquisition device in real time;

[0012] The image acquisition device is arranged above the roller mechanism in the advancing direction of the film to be inspected, and is used to continuously acquire and generate the image of the film to be inspected according to the line frequency feedback from the detection processing device in real time;

[0013] The detection and processing device is also used to detect the image of the film to be inspected in real time, detect and mark defective die-cut products in real time, and notify the coding device of the detection result of the defective die-cut products;

[0014] The coding device is used to code and label the defective die-cut products according to the detection results of the defective die-cut products.

[0015] In a possible design, the detection machine also includes: a shell and a fixed beam, the roller mechanism, the coil motor, the detection and processing device, the image acquisition device, and the inkjet device are arranged inside the shell, and the discharge device and the receiving device are arranged outside the shell; the fixed beam runs through one side of the shell.

[0016] In a possible design, the inspection machine further includes: a material belt position adjustment mechanism for adjusting the front and rear offset position of the film to be inspected.

[0017] In a possible design, the discharge device includes: a front discharge shaft, a front discharge tray, a front discharge motor, a front magnetic powder brake, and a vacuum adsorption motor; wherein:

[0018] The front unloading shaft is transversely arranged at one end of the fixed beam;

[0019] The front magnetic powder brake is arranged on the front unwinding shaft;

[0020] The front unloading motor drives the front unloading shaft to operate through the front magnetic powder brake, and the unloading speed is adjusted by adjusting the tension of the front magnetic powder brake;

[0021] The front unloading tray is used to hold the die-cut products to be inspected, and is fixed on the front unloading shaft together with the die-cut products to be inspected during operation;

[0022] The vacuum adsorption motor is used to generate vacuum suction to adsorb the film to be inspected onto the material belt position adjustment mechanism to prevent the film to be inspected from being displaced.

[0023] In a possible design, the roller mechanism includes: a front roller mechanism, a middle roller mechanism, and a rear roller mechanism; wherein:

[0024] The front roller mechanism is arranged behind the material belt position adjustment mechanism, and the middle roller mechanism is arranged between the front roller mechanism and the rear roller mechanism. The front roller mechanism, the middle roller mechanism and the rear roller mechanism are all used to loosen and press the film to be inspected to drive the film to be inspected forward.

[0025] In a possible design, the image acquisition device includes: a line array camera and a lens, wherein the lens is installed below the line array camera;

[0026] The linear array camera is arranged above the middle position of the forward direction of the film to be inspected between the front roller mechanism and the middle roller mechanism, and is matched with the lens to continuously collect and generate images of the film to be inspected passing between the front roller mechanism and the middle roller mechanism according to the line frequency connection fed back in real time by the detection processing device.

[0027] In a possible design, the detection machine also includes: a coaxial line light source, the coaxial line light source includes: an upper three-color line light source and a lower three-color line light source, the upper three-color line light source and the lower three-color line light source are installed under the lens, the film to be inspected moves between the upper three-color light source and the lower three-color light source, and the upper three-color line light source and the lower three-color line light source are used to illuminate the film to be inspected passing through the roller mechanism.

[0028] In a possible design, the detection and processing device is arranged to be pressed against the intermediate roller mechanism and operates together with the intermediate roller mechanism during operation;

[0029] The detection and processing device feeds back the speed change of the coil motor in real time, feeds back the line frequency to the image acquisition device in real time, and detects the image of the film to be inspected fed back by the image acquisition device in real time, detects and marks the defective die-cut products in real time, and tracks and locates the defective die-cut products in real time, determines the inkjet marking position of the defective die-cut products, and notifies the inkjet device of the inkjet marking position of the defective die-cut products.

[0030] In a possible design, the inkjet printer device includes: an inkjet printer head and an inkjet printer controller;

[0031] The inkjet printer nozzle is installed on the rear roller mechanism, and the inkjet printer position is aligned with the middle position of the film to be inspected;

[0032] The inkjet printer controller is used to control the inkjet printer nozzle to spray code and label the defective die-cut product at the marking position according to the defective die-cut product detection result of the detection and processing device.

[0033] In a possible design, the material receiving device includes: a rear material receiving shaft, a rear material receiving plate, a rear material receiving motor, and a rear magnetic powder brake; wherein:

[0034] The rear material receiving shaft is transversely arranged at the other end of the fixed beam;

[0035] The rear magnetic powder brake is arranged on the rear material receiving shaft;

[0036] The rear material collection motor drives the rear material collection shaft to operate through the rear magnetic powder brake, and the material collection speed is adjusted by adjusting the tension of the rear magnetic powder brake;

[0037] The rear receiving tray holds the die-cut products that have been inspected, and is fixed on the rear receiving motor shaft together with the die-cut products that have been inspected during operation.

[0038] According to another aspect of an embodiment of the present invention, a fully automatic die-cutting detection method is provided. The detection method is a fully automatic die-cutting detection machine according to any embodiment of the present invention, and the detection method comprises:

[0039] S1. Place the die-cut product to be inspected into the front unloading device, and pass the die-cut product to be inspected through the roller mechanism and fix it in the rear receiving device;

[0040] S2, the coil motor drives the roller mechanism to drive the film to be inspected forward;

[0041] S3, the detection and processing device feeds back the line frequency to the image acquisition device in real time;

[0042] S4, the image acquisition device continuously acquires and generates an image of the film to be inspected passing through the roller mechanism according to the line frequency fed back in real time by the detection processing device;

[0043] S5, the detection and processing device detects the image of the film to be inspected in real time, detects and marks defective die-cut products in real time, and notifies the coding device of the detection result of the defective die-cut products;

[0044] S6. The coding device codes and labels the defective die-cut products according to the detection result of the defective die-cut products.

[0045] In a possible design, after step S1, the method further includes: adjusting the tension between the front unloading device and the rear receiving device to straighten and tighten the film to be tested.

[0046] In a possible design, before step S2, the method further includes: adjusting the upper three-color line light source and the lower three-color line light source to achieve an optimal lighting effect.

[0047] In a possible design, the roller mechanism includes: a front roller mechanism, a middle roller mechanism, and a rear roller mechanism; in step S1, allowing the die-cut product to be inspected to pass through the roller mechanism includes: allowing the die-cut product to be inspected to pass through the front roller mechanism, the middle roller mechanism, and the rear roller mechanism;

[0048] In the step S2, the coil motor drives the roller mechanism to drive the film to be inspected forward, including: the coil motor drives the front roller mechanism, the middle roller mechanism, and the rear roller mechanism to operate through a belt to drive the film to be inspected forward.

[0049] In a possible design, the image acquisition device includes: a linear array camera and a lens; the step S4 specifically includes:

[0050] The linear array camera is matched with the lens and continuously collects and generates an image of the film to be inspected passing between the front roller mechanism and the middle roller mechanism according to the line frequency connection fed back in real time by the detection processing device.

[0051] In a possible design, the step S5 specifically includes:

[0052] The detection and processing device detects the image of the film to be inspected fed back by the image acquisition device in real time, detects and marks the defective die-cut products in real time, tracks and locates the defective die-cut products in real time, determines the inkjet marking position of the defective die-cut products, and notifies the inkjet device of the inkjet marking position of the defective die-cut products.

[0053] In a possible design, the inkjet printer device includes: an inkjet printer head and an inkjet printer controller; the step S6 specifically includes:

[0054] The inkjet printer controller controls the inkjet printer nozzle to inkjet a label at a marking position of the defective die-cut product according to the defective die-cut product detection result of the detection and processing device.

[0055] Compared with the related art, the embodiment of the present invention provides a fully automatic die-cutting inspection machine and inspection method, the fully automatic die-cutting inspection machine includes: a feeding device, a roller mechanism, a receiving device, a coiling motor, a detection and processing device, an image acquisition device, and a coding device; wherein: the feeding device is used to hold the die-cutting product to be inspected, and the die-cutting product to be inspected is formed by rolling up the film to be inspected; the roller mechanism is used to loosen and press the film to be inspected; the coiling motor is used to drive the roller mechanism to operate through a belt to drive the film to be inspected forward; the receiving device is used to hold the die-cutting product to be inspected after inspection. products; the detection and processing device is used to feed back the line frequency to the image acquisition device in real time; the image acquisition device is arranged above the forward direction of the film to be inspected of the roller mechanism, and is used to continuously collect and generate the image of the film to be inspected according to the line frequency fed back by the detection and processing device in real time; the detection and processing device is also used to detect the image of the film to be inspected in real time, detect and mark the defective die-cut products in real time, and notify the coding device of the detection results of the defective die-cut products; the coding device is used to code and label the defective die-cut products according to the detection results of the defective die-cut products. Through the embodiment of the present invention, a high-precision coil motor drives the roller mechanism and the film to be inspected to move forward, and the detection and processing device matches the image acquisition device in real time to continuously and unceasingly acquire the image of the film to be inspected, and detects the image of the film to be inspected in real time, detects and marks defective (NG) die-cut products in real time, and sprays codes and labels on the marking positions of the defective die-cut products, so that continuous and unceasing product detection can be achieved until the detection of the same roll of products to be die-cut is completed, and the defective die-cut products can be marked, and multiple products can be detected, with high compatibility, fast detection speed, and high precision, which can meet the needs of high-speed flexibility, thereby solving the problems that the existing semi-automatic die-cutting detection equipment cannot detect continuously and unceasingly, lacks marking of defective die-cut products, and the detected products are single and cannot meet the needs of high-speed flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 A schematic structural diagram of a fully automatic die-cutting inspection machine provided in an embodiment of the present invention.

[0057] Figure 2 A schematic structural diagram of a fully automatic die-cutting inspection machine provided in an embodiment of the present invention.

[0058] Figure 3 A schematic structural diagram of a fully automatic die-cutting inspection machine provided in an embodiment of the present invention.

[0059] Figure 4 A schematic structural diagram of a fully automatic die-cutting inspection machine provided in an embodiment of the present invention.

[0060] Figure 5 A schematic structural diagram of a fully automatic die-cutting inspection machine provided in an embodiment of the present invention.

[0061] Figure 6 A schematic flow chart of a fully automatic die-cutting detection method provided in an embodiment of the present invention.

[0062] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0063] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer and more understandable, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.

[0064] In the subsequent description, the suffixes such as "module", "component" or "unit" used to represent elements are only used to facilitate the description of the present invention, and have no specific meanings. Therefore, "module", "component" or "unit" can be used in a mixed manner.

[0065] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0066] In one embodiment, Figure 1 As shown, the present invention provides a fully automatic die-cutting inspection machine, which includes an axially arranged material discharge device 10, a roller mechanism 20, a material collection device 30, a coil motor 40, a detection and processing device 50, an image acquisition device 60, and a coding device 70; wherein:

[0067] The material discharge device 10 is used to hold the die-cut product to be inspected, and the die-cut product to be inspected is formed by rolling up the film 18 to be inspected.

[0068] The roller mechanism 20 is used to loosen and press the film to be inspected 18 .

[0069] The coil motor 40 is used to drive the roller mechanism 20 to operate through a belt, thereby driving the film to be inspected 18 to move forward.

[0070] The receiving device 30 is used to hold the die-cut products that have been inspected. After the film 18 to be inspected passes smoothly through the roller mechanism 20, it is fixed on the receiving device 30. The tension between the discharge device 10 and the receiving device 30 is adjusted to straighten and tighten the film 18 to be inspected.

[0071] The detection and processing device 50 is used to provide real-time feedback of the speed change of the coil motor 40 and real-time feedback of the line frequency to the image acquisition device 60 .

[0072] The image acquisition device 60 is disposed above the roller mechanism 20 in the advancing direction of the film to be inspected 18 , and is used to continuously acquire and generate images of the film to be inspected passing through the roller mechanism 20 according to the line frequency fed back in real time by the detection processing device 50 .

[0073] The detection processing device 50 is also used to detect the image of the film to be inspected in real time, detect and mark bad (NG) die-cut products in real time, and notify the coding device 70 of the detection results of bad die-cut products.

[0074] The coding device 70 is used to code and label the defective die-cut products according to the defective die-cut product detection result of the detection and processing device 50.

[0075] In this embodiment, a high-precision coil motor drives the roller mechanism and the film to be inspected to advance, and the detection and processing device matches the image acquisition device in real time to continuously and unceasingly acquire the image of the film to be inspected, and detects the image of the film to be inspected in real time, detects and marks defective (NG) die-cut products in real time, and sprays codes and labels on the marking positions of the defective die-cut products. This enables continuous and unceasing product detection until the detection of the same roll of products to be die-cut is completed, and the defective die-cut products can be marked, and multiple products can be detected, with high compatibility, fast detection speed, and high precision, which can meet the needs of high-speed flexibility, thereby solving the problems of the existing semi-automatic die-cutting detection equipment that cannot detect continuously and unceasingly, lacks marking of defective die-cut products, and has a single detection product, and cannot meet the needs of high-speed flexibility.

[0076] In one embodiment, Figure 2 and Figure 5 As shown, the detection machine also includes: a shell 80, the roller mechanism 20, the coil motor 40, the detection processing device 50, the image acquisition device 60, and the inkjet device 70 are arranged inside the shell 80, and the discharge device 10 and the receiving device 30 are arranged outside the shell 80.

[0077] In one embodiment, Figure 2 and Figure 3 As shown, the detection machine further includes: a fixed beam 90 , and the fixed beam 90 passes through one side of the shell 80 .

[0078] In one embodiment, Figure 2 As shown, the inspection machine further includes: a material belt position adjustment mechanism 81 for adjusting the front and rear offset position of the film to be inspected 18 .

[0079] In one embodiment, Figure 2 As shown, the discharge device 10 includes: a front discharge shaft 11, a front discharge tray 12, a front discharge motor 13, a front magnetic powder brake 14, and a vacuum adsorption motor 15. Among them:

[0080] The front unloading shaft 11 is transversely arranged at one end of the fixed beam 90 .

[0081] The front magnetic powder brake 14 is arranged on the front unloading shaft 11 .

[0082] The front unloading motor 13 drives the front unloading shaft 11 to operate through the front magnetic powder brake 14 , and the unloading speed is adjusted by adjusting the tension of the front magnetic powder brake 14 .

[0083] The front unloading tray 12 is used to hold the die-cut products to be inspected, and is fixed on the front unloading shaft 11 together with the die-cut products to be inspected during operation.

[0084] The vacuum adsorption motor 15 is arranged behind the front unloading motor 13 and is used to generate vacuum suction to adsorb the film to be inspected on the material belt position adjustment mechanism to prevent the film to be inspected 18 from being displaced.

[0085] In one embodiment, Figure 4 As shown, the roller mechanism 20 includes: a front roller mechanism 21 and a rear roller mechanism 23. Wherein:

[0086] The front roller mechanism 21 is disposed behind the material belt position adjustment mechanism 81 and is used to loosen and press the film to be inspected 18 to drive the film to be inspected 18 forward.

[0087] The rear roller mechanism 23 is disposed behind the front roller mechanism 21 and is used to open and press the film to be inspected 18 to drive the film to be inspected 18 forward.

[0088] Preferably, the roller mechanism 20 further includes: a middle roller mechanism 22, which is disposed between the front roller mechanism 21 and the rear roller mechanism 23 and is used for loosening and pressing the film to be inspected 18 to drive the film to be inspected 18 forward.

[0089] Preferably, the front roller mechanism 21, the middle roller mechanism 22, and the rear roller mechanism 23 are three identical groups of mechanisms, which can loosen and press the film to be inspected 18. When working, the front roller mechanism 21, the middle roller mechanism 22, and the rear roller mechanism 23 are driven by the coil motor 40 through the belt, thereby driving the film to be inspected 18 forward.

[0090] In this embodiment, the high-precision servo transmission of the two roller mechanisms of the front roller mechanism and the rear roller mechanism can tension the product to be die-cut and inspected, thereby reducing shaking of the product to be die-cut and inspected during movement.

[0091] In one embodiment, Figure 4 As shown, the image acquisition device 60 includes: a line array camera 61 and a lens 62. The lens 62 is installed below the line array camera 61.

[0092] The line array camera 61 is arranged above the middle position of the forward direction of the film to be inspected 18 between the front roller mechanism 21 and the rear roller mechanism 23, and is matched with the lens 62 to continuously collect and generate images of the film to be inspected passing between the front roller mechanism 21 and the rear roller mechanism 23 according to the line frequency connection fed back in real time by the detection processing device 50.

[0093] Preferably, the linear array camera 61 is arranged above the middle position of the forward direction of the film to be inspected 18 between the front roller mechanism 21 and the middle roller mechanism 22, and is matched with the lens 62 to continuously collect and generate images of the film to be inspected passing between the front roller mechanism 21 and the middle roller mechanism 22 according to the line frequency connection of real-time feedback from the detection processing device 50.

[0094] In one embodiment, Figure 4 As shown, the inspection machine further includes: a coaxial light source, which is disposed under the lens 62 and is used to illuminate the film to be inspected 18 passing through the roller mechanism 20 to achieve the best lighting effect.

[0095] Preferably, the coaxial line light source includes: an upper three-color line light source 54 and a lower three-color line light source 55, the upper three-color line light source 54 and the lower three-color line light source 55 are installed under the lens 62, the film to be inspected 18 moves forward between the upper three-color light source 54 and the lower three-color light source 55, and the upper three-color line light source 54 and the lower three-color line light source 55 are used to illuminate the film to be inspected 18 passing through the roller mechanism 20 to achieve the best lighting effect.

[0096] In this embodiment, by providing two coaxial three-color line lights of the upper three-color line light source and the lower three-color line light source, it can be compatible with the lighting of die-cut products of various materials and colors. At the same time, by adjusting the upper and lower two coaxial three-color line lights, the best lighting effect can be achieved.

[0097] In one embodiment, Figure 4 As shown, the detection and processing device 50 is arranged to be pressed against the intermediate roller mechanism 23 and operates together with the intermediate roller mechanism 23 during operation.

[0098] The detection and processing device 50 feeds back the speed change of the coil motor 40 in real time, and feeds back the line frequency to the image acquisition device 60 in real time; and detects the image of the film to be inspected fed back by the image acquisition device 60 in real time, detects and marks the defective (NG) die-cut products in real time, and tracks and locates the defective die-cut products in real time, determines the inkjet marking position of the defective die-cut products, and notifies the inkjet device 70 of the inkjet marking position of the defective die-cut products.

[0099] In one embodiment, Figure 4As shown, the inkjet printer device 70 includes: an inkjet printer head 71 and an inkjet printer controller 72 .

[0100] The inkjet printer head 71 is installed on the rear roller mechanism 23, and the inkjet printer position is aligned with the middle position of the film 18 to be inspected.

[0101] The inkjet printer controller 72 is used to control the inkjet printer head to inkjet a label at a marking position of the defective die-cut product according to the defective die-cut product detection result of the detection and processing device 50.

[0102] In this embodiment, the inkjet printer controller can control the inkjet printer nozzle to mark defective die-cut products online, the marking shape and text size can be edited arbitrarily, and there is no damage to the surface of the die-cut product.

[0103] In one embodiment, the coil motor 40 is disposed on the side of the rear roller mechanism 23 to drive the front roller mechanism 21 , the middle roller mechanism 22 , and the rear roller mechanism 23 to operate via a belt, thereby driving the film to be inspected 18 forward.

[0104] In one embodiment, Figure 3 and Figure 4 As shown, the material receiving device 30 includes: a rear material receiving shaft 31, a rear material receiving tray 32, a rear material receiving motor 33, and a rear magnetic powder brake 34. Among them:

[0105] The rear material receiving shaft 31 is transversely arranged at the other end of the fixed beam 90 .

[0106] The rear magnetic powder brake 34 is arranged on the rear receiving shaft 31 .

[0107] The rear material collection motor 33 drives the rear material collection shaft 31 to operate through the rear magnetic powder brake 34 , and the material collection speed is adjusted by adjusting the tension of the rear magnetic powder brake 34 .

[0108] The rear receiving tray 32 holds the die-cut products that have been inspected, and is fixed on the rear receiving motor shaft 31 together with the die-cut products that have been inspected during operation.

[0109] In this embodiment, the front and rear two roller mechanisms and the film to be inspected are driven forward by a high-precision coil motor, and the upper and lower coaxial three-color line lights can adapt to the lighting requirements of various materials and colors. At the same time, the detection and processing device matches the image acquisition device in real time to continuously and uninterruptedly acquire the image of the film to be inspected, and detects the image of the film to be inspected in real time, detects and marks defective (NG) die-cut products in real time, and sprays codes and labels on the marking positions of the defective die-cut products, so that continuous and uninterrupted product detection can be achieved, and defective die-cut products can be marked. Moreover, a variety of products can be detected, and the requirements of high-speed flexibility can be met, thereby solving the problems that the existing semi-automatic die-cutting detection equipment cannot detect continuously and uninterruptedly, lacks marking of defective die-cut products, and the detected products are single, and the requirements of high-speed flexibility cannot be met.

[0110] In one embodiment, Figure 2 and Figure 5 As shown, the detection machine further includes: a heat dissipation device 92, which is arranged on a side of the outside of the shell 80 to dissipate heat for the detection machine.

[0111] Preferably, the heat dissipation device 92 is a heat dissipation fan.

[0112] In one embodiment, Figure 2 and Figure 5 As shown, the detection machine further includes: an operation panel 93, which is arranged on one side of the outer side of the housing 80 and is an operation platform of the entire detection machine. The operation of the detection machine is controlled by the operation panel 93. The operation panel 93 is provided with buttons including start, stop, inching, and continuous.

[0113] Preferably, the operation panel 93 is arranged on the top of the outer surface of the heat dissipation device 92 .

[0114] In one embodiment, Figure 2 and Figure 5 As shown, the detection machine further includes: a display device 94, which is arranged on a side of the housing 80 and is used to display the operation process and detection results of the detection machine.

[0115] The present invention provides a fully automatic die-cutting detection machine, and its working process is as follows:

[0116] Place the rolled die-cut product to be inspected on the front unloading tray, lock the front unloading tray, and fix the front unloading tray and the die-cut product to be inspected on the front unloading shaft. The die-cut product to be inspected is a rolled film to be inspected.

[0117] Loosen the front roller mechanism, the middle roller mechanism, and the rear roller mechanism in sequence, pass the die-cut product to be inspected through the material belt position adjustment mechanism, the front roller mechanism, the middle roller mechanism, and the rear roller mechanism in sequence, and then stick the die-cut product to be inspected on the rear receiving tray with transparent glue; lock the rear receiving tray to fix it on the rear receiving shaft.

[0118] Adjust the positions of the front unloading tray and the rear receiving tray so that they are in a straight line to prevent the die-cut product to be inspected from being skewed during the winding process. Press the front roller mechanism, adjust the running direction of the front unloading motor and the tension of the front magnetic powder brake, so that the film to be inspected is in a tensioned state between the front unloading shaft and the front roller mechanism. Then, adjust the running direction of the rear receiving motor and the tension of the rear magnetic powder brake to make the film to be inspected in a tensioned state, press the middle roller mechanism and the rear roller mechanism in turn, and click the inching button on the operation panel to make the film to be inspected be stably wound in a straight line on the rear receiving shaft.

[0119] Turn on the line array camera and adjust the brightness of the upper and lower coaxial light lines of the upper three-color line light source and the lower three-color line light source to achieve the best lighting effect.

[0120] Start the fully automatic die-cutting inspection machine, and the coil motor drives the front roller mechanism, the middle roller mechanism, the rear roller mechanism and the film to be inspected to move forward.

[0121] During operation, the detection and processing device provides real-time feedback on the speed change of the coil motor, and the linear array camera continuously collects and generates images of the film to be inspected passing between the front roller mechanism and the rear roller mechanism according to the line frequency provided by the detection and processing device in real time, and generates images of the film to be inspected one by one according to the line frequency setting.

[0122] The detection and processing device performs various detection and judgment on the image of the film to be inspected, and marks the defective die-cut products on the image. The detection and processing device tracks and locates the defective die-cut products in real time, determines the inkjet marking position of the defective die-cut products, and notifies the inkjet printer nozzle of the inkjet marking position of the defective die-cut products for marking.

[0123] The inkjet printer controller controls the inkjet printer nozzle to spray code and label the marking position of the defective die-cut product according to the defective die-cut product detection result of the detection and processing device.

[0124] The fully automatic die-cutting inspection machine continuously performs image acquisition, inspection, and marking of defective die-cut products according to the settings until the inspection of a roll of die-cut products to be inspected is completed.

[0125] In one embodiment, Figure 6 As shown, the present invention provides a fully automatic die-cutting detection method, which is applied to a fully automatic die-cutting detection machine. The detection method includes:

[0126] S1. Place the die-cut product to be inspected into the front unloading device, and pass the die-cut product to be inspected through the roller mechanism and fix it in the rear receiving device.

[0127] S2, the coil motor drives the roller mechanism to drive the film to be inspected forward.

[0128] S3. The detection and processing device feeds back the speed change of the coil motor in real time, and feeds back the line frequency to the image acquisition device in real time.

[0129] S4, the image acquisition device continuously acquires and generates an image of the film to be inspected passing through the roller mechanism according to the line frequency fed back in real time by the detection processing device.

[0130] S5. The detection and processing device detects the image of the film to be inspected in real time, detects and marks defective die-cut products in real time, and notifies the coding device of the detection result of the defective die-cut products.

[0131] S6. The coding device codes and labels the defective die-cut products according to the detection result of the defective die-cut products by the detection and processing device.

[0132] In this embodiment, the roller mechanism and the film to be inspected are driven forward by the coil motor, and the detection and processing device matches the image acquisition device in real time to continuously and unceasingly acquire the image of the film to be inspected, and detects the image of the film to be inspected in real time, detects and marks the defective (NG) die-cut products in real time, and sprays the code and labels on the marking position of the defective die-cut products. This can realize continuous and unceasing detection of products until the detection of the same roll of products to be die-cut is completed, and the defective die-cut products can be marked, and multiple products can be detected, which can meet the requirements of high speed and flexibility, thereby solving the problems that the existing semi-automatic die-cutting detection equipment cannot detect continuously and unceasingly, lacks marking of defective die-cut products, detects a single product, and cannot meet the requirements of high speed and flexibility.

[0133] In one embodiment, after step S1, the method further comprises: adjusting the tension between the front unloading device and the rear receiving device to straighten and tighten the film to be tested.

[0134] In one embodiment, before step S2, the method further includes: adjusting the upper three-color line light source and the lower three-color line light source to achieve an optimal lighting effect.

[0135] In one embodiment, the roller mechanism includes: a front roller mechanism, a middle roller mechanism, and a rear roller mechanism. In step S1, allowing the die-cut product to be inspected to pass through the roller mechanism includes: allowing the die-cut product to be inspected to pass through the front roller mechanism, the middle roller mechanism, and the rear roller mechanism.

[0136] In the step S2, the coil motor drives the roller mechanism to drive the film to be inspected forward, including: the coil motor drives the front roller mechanism, the middle roller mechanism, and the rear roller mechanism to operate through a belt to drive the film to be inspected forward.

[0137] In one embodiment, the image acquisition device includes: a linear array camera and a lens. In step S4, the image acquisition device continuously acquires and generates an image of the film to be inspected passing through the roller mechanism according to the line frequency feedback from the detection processing device in real time, including:

[0138] The linear array camera is matched with the lens and continuously collects and generates an image of the film to be inspected passing between the front roller mechanism and the middle roller mechanism according to the line frequency connection fed back in real time by the detection processing device.

[0139] In one embodiment, in step S5, the detection and processing device detects the image of the film to be inspected in real time, detects and marks defective die-cut products in real time, and notifies the coding device of the detection result of the defective die-cut products; including:

[0140] The detection and processing device detects the image of the film to be inspected fed back by the image acquisition device in real time, detects and marks the defective die-cut products in real time, tracks and locates the defective die-cut products in real time, determines the inkjet marking position of the defective die-cut products, and notifies the inkjet device of the inkjet marking position of the defective die-cut products.

[0141] In one embodiment, the inkjet printer comprises: an inkjet printer head and an inkjet printer controller. In step S6, the inkjet printer labels the defective die-cut products according to the defective die-cut product detection result of the detection and processing device; including:

[0142] The inkjet printer controller controls the inkjet printer nozzle to inkjet a label at a marking position of the defective die-cut product according to the defective die-cut product detection result of the detection and processing device.

[0143] It should be noted that the above-mentioned method embodiment and the detection machine embodiment belong to the same concept, and the specific implementation process is detailed in the detection machine embodiment, and the technical features in the detection machine embodiment are correspondingly applicable in the method embodiment, which will not be repeated here.

[0144] It should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0145] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0146] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation modes, which are merely illustrative rather than restrictive. Under the guidance of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, all of which are within the protection of the present invention.

Claims

1. A fully automatic die-cutting inspection machine, characterized in that: The detection machine includes: a material unloading device, a roller mechanism, a material receiving device, a coiling motor, a detection and processing device, an image acquisition device, and a coding device; wherein: The material discharge device is used to hold the die-cut product to be inspected, and the die-cut product to be inspected is formed by rolling up the film to be inspected; The roller mechanism is used to loosen and press the film to be inspected; The coil motor is used to drive the roller mechanism to operate through a belt, thereby driving the film to be inspected to move forward; The material receiving device is used to hold the die-cut products that have been inspected; The detection and processing device is used to feed back the line frequency to the image acquisition device in real time; The image acquisition device is arranged above the roller mechanism in the advancing direction of the film to be inspected, and is used to continuously acquire and generate the image of the film to be inspected according to the line frequency feedback from the detection processing device in real time; The detection and processing device is also used to detect the image of the film to be inspected in real time, detect and mark defective die-cut products in real time, and notify the coding device of the detection result of the defective die-cut products; The coding device is used to code and label the defective die-cut products according to the detection results of the defective die-cut products; The detection machine further comprises: a housing and a fixed beam, wherein the roller mechanism, the coiling motor, the detection and processing device, the image acquisition device, and the inkjet device are arranged inside the housing, and the unloading device and the receiving device are arranged outside the housing; the fixed beam passes through one side of the housing; The inspection machine further comprises: a material belt position adjustment mechanism for adjusting the front and rear offset position of the film to be inspected; The unloading device includes: a front unloading shaft, a front unloading tray, a front unloading motor, a front magnetic powder brake, and a vacuum adsorption motor; wherein: The front unloading shaft is transversely arranged at one end of the fixed beam; The front magnetic powder brake is arranged on the front unwinding shaft; The front unloading motor drives the front unloading shaft to operate through the front magnetic powder brake, and the unloading speed is adjusted by adjusting the tension of the front magnetic powder brake; The front unloading tray is used to hold the die-cut products to be inspected, and is fixed on the front unloading shaft together with the die-cut products to be inspected during operation; The vacuum adsorption motor is used to generate vacuum suction to adsorb the film to be inspected onto the material belt position adjustment mechanism to prevent the film to be inspected from being displaced.

2. The detection machine according to claim 1, characterized in that: The roller mechanism comprises: a front roller mechanism, a middle roller mechanism, and a rear roller mechanism; wherein: The front roller mechanism is arranged behind the material belt position adjustment mechanism, and the middle roller mechanism is arranged between the front roller mechanism and the rear roller mechanism. The front roller mechanism, the middle roller mechanism and the rear roller mechanism are all used to loosen and press the film to be inspected to drive the film to be inspected forward.

3. The detection machine according to claim 2, characterized in that: The image acquisition device comprises: a linear array camera and a lens, wherein the lens is installed below the linear array camera; The linear array camera is arranged above the middle position of the forward direction of the film to be inspected between the front roller mechanism and the middle roller mechanism, and is matched with the lens to continuously collect and generate images of the film to be inspected passing between the front roller mechanism and the middle roller mechanism according to the line frequency connection fed back in real time by the detection processing device.

4. The detection machine according to claim 3, characterized in that: The detection machine also includes: a coaxial line light source, which includes: an upper three-color line light source and a lower three-color line light source, which are installed under the lens, and the film to be inspected moves between the upper three-color light source and the lower three-color light source, and the upper three-color line light source and the lower three-color line light source are used to illuminate the film to be inspected passing through the roller mechanism.

5. The detection machine according to claim 2, characterized in that: The detection and processing device is arranged to be pressed against the intermediate roller mechanism and operates together with the intermediate roller mechanism during operation; The detection and processing device feeds back the speed change of the coil motor in real time, and feeds back the line frequency to the image acquisition device in real time; The image of the film to be inspected fed back by the image acquisition device is detected in real time, defective die-cut products are detected and marked in real time, and defective die-cut products are tracked and located in real time, the coding and marking positions of the defective die-cut products are determined, and the coding and marking positions of the defective die-cut products are notified to the coding device.

6. The detection machine according to claim 2, characterized in that: The inkjet printer device comprises: an inkjet printer nozzle and an inkjet printer controller; The inkjet printer nozzle is installed on the rear roller mechanism, and the inkjet printer position is aligned with the middle position of the film to be inspected; The inkjet printer controller is used to control the inkjet printer nozzle to spray code and label the defective die-cut product at the marking position according to the defective die-cut product detection result of the detection and processing device.

7. The detection machine according to claim 1, characterized in that: The material receiving device comprises: a rear material receiving shaft, a rear material receiving plate, a rear material receiving motor, and a rear magnetic powder brake; wherein: The rear material receiving shaft is transversely arranged at the other end of the fixed beam; The rear magnetic powder brake is arranged on the rear material receiving shaft; The rear material collection motor drives the rear material collection shaft to operate through the rear magnetic powder brake, and the material collection speed is adjusted by adjusting the tension of the rear magnetic powder brake; The rear receiving tray holds the die-cut products that have been inspected, and is fixed on the rear receiving motor shaft together with the die-cut products that have been inspected during operation.

8. A fully automatic die-cutting detection method, characterized in that: The detection method is applied to a fully automatic die-cutting detection machine as claimed in any one of claims 1 to 7, and the detection method comprises: S1. Place the die-cut product to be inspected into the front unloading device, and pass the die-cut product to be inspected through the roller mechanism and fix it in the rear receiving device; S2, the coil motor drives the roller mechanism to drive the film to be inspected forward; S3, the detection and processing device feeds back the line frequency to the image acquisition device in real time; S4, the image acquisition device continuously acquires and generates an image of the film to be inspected passing through the roller mechanism according to the line frequency fed back in real time by the detection processing device; S5, the detection and processing device detects the image of the film to be inspected in real time, detects and marks defective die-cut products in real time, and notifies the coding device of the detection result of the defective die-cut products; S6. The coding device codes and labels the defective die-cut products according to the detection result of the defective die-cut products.

9. The detection method according to claim 8, characterized in that: After step S1, the method further comprises: adjusting the tension between the front unloading device and the rear receiving device to straighten and tighten the film to be tested.

10. The detection method according to claim 8, characterized in that: Before step S2, the method further includes: adjusting the upper three-color line light source and the lower three-color line light source to achieve the best lighting effect.

11. The detection method according to claim 8, characterized in that: The roller mechanism includes: a front roller mechanism, a middle roller mechanism, and a rear roller mechanism; in the step S1, allowing the die-cut product to be inspected to pass through the roller mechanism includes: allowing the die-cut product to be inspected to pass through the front roller mechanism, the middle roller mechanism, and the rear roller mechanism; In the step S2, the coil motor drives the roller mechanism to drive the film to be inspected forward, including: the coil motor drives the front roller mechanism, the middle roller mechanism, and the rear roller mechanism to operate through a belt to drive the film to be inspected forward.

12. The detection method according to claim 11, characterized in that: The image acquisition device includes: a linear array camera and a lens; the step S4 specifically includes: The linear array camera is matched with the lens and continuously collects and generates an image of the film to be inspected passing between the front roller mechanism and the middle roller mechanism according to the line frequency connection fed back in real time by the detection processing device.

13. The detection method according to claim 8, characterized in that: The step S5 specifically includes: The detection and processing device detects the image of the film to be inspected fed back by the image acquisition device in real time, detects and marks the defective die-cut products in real time, tracks and locates the defective die-cut products in real time, determines the inkjet marking position of the defective die-cut products, and notifies the inkjet device of the inkjet marking position of the defective die-cut products.

14. The detection method according to claim 8, characterized in that: The inkjet printer device includes: an inkjet printer nozzle and an inkjet printer controller; the step S6 specifically includes: The inkjet printer controller controls the inkjet printer nozzle to inkjet a label at a marking position of the defective die-cut product according to the defective die-cut product detection result of the detection and processing device.

Citation Information

Patent Citations

  • Full-automatic die-cutting detection machine

    CN213423000U