Mould pressing glove damage detection device and method based on vision

Abstract

The invention relates to a mold pressing glove damage detection device and method based on vision. A detection box comprises six non-transparent outer walls, and the internal space is in a dark state; the hand-shaped lamp is arranged in the detection box and is in a hand shape, the mould pressing glove is arranged on the hand-shaped lamp in a sleeving manner, and the hand-shaped lamp is a luminous body; the inflation assembly is mounted at the bottom of the detection box, is arranged at the lower end of the hand-shaped lamp, is located in the mold pressing glove and inflates the mold pressing glove; the camera shooting assembly is installed in the detection box, located on the outer wall of the detection box and used for shooting a state picture at the mold closing line of the mold pressing glove. The processor is connected with the camera shooting assembly and used for receiving the state picture at the mold closing line of the mold pressing glove, judging the light leakage state of the mold pressing glove according to the state picture and determining the damage state of the mold pressing glove. The mold pressing glove is expanded, the light source is placed in the mold pressing glove, the light transmission of the mold closing line of the glove is observed through the multiple cameras, then the damage condition is judged, and the detection precision and the detection efficiency can be greatly improved.

Description

Technical Field

[0001] This invention relates to the field of glove inspection technology, and in particular to a vision-based device and method for detecting damage to molded gloves. Background Technology

[0002] In scientific research and industrial production, there are numerous chemical experiments, material handling, and performance testing tasks that require manual operation and cannot be carried out in ambient air. To ensure the scientific rigor of the research and the safety of the operators, these operations are often conducted in glove boxes with environmental isolation features. Gloves are an indispensable and crucial component of the glove box. When workers perform operations inside the glove box, they are directly exposed to substances leaking through the gloves, making their integrity paramount.

[0003] Currently, there are various methods to directly or indirectly detect glove damage. For example, airtightness testing indirectly reflects glove damage by observing changes in air pressure inside the rubber glove; watertightness testing directly determines if the glove is damaged by observing the water permeability outside after filling the inside of the glove with water; the bubble method involves immersing the inflated glove in water and observing the formation of bubbles to identify the location and extent of damage; and industrial cameras can capture images of the same glove from multiple angles on the production line, using the presence of background color within the glove's outline to determine tear defects. However, among the aforementioned technologies, for airtightness testing, the permeability and creep of the glove material make it difficult to distinguish minute tears, and the airtightness requirements for the testing device are very high. For watertightness testing and bubble testing, although they can directly reflect the location and extent of glove damage, the drying process after glove testing needs to be considered, making them unsuitable for batch testing. Existing machine vision-based glove tear detection methods require running multiple image recognition and processing algorithms, resulting in low detection efficiency, and there is a possibility that minute tears may be difficult to distinguish.

[0004] The above problems urgently need to be addressed. Summary of the Invention

[0005] This invention discloses a vision-based device and method for detecting damage to molded gloves, aiming to solve the technical problems existing in the prior art.

[0006] The present invention adopts the following technical solution: On one hand, the present invention provides a vision-based molded glove damage detection device, comprising: a detection box including six opaque outer walls, the interior space being dark; a hand-shaped light disposed inside the detection box, the molded glove being fitted onto the hand-shaped light, the hand-shaped light being a light emitter; an inflation assembly installed at the bottom of the detection box and disposed below the hand-shaped light, located inside the molded glove, for inflating the molded glove; a camera assembly installed inside the detection box and located on the outer wall of the detection box, for capturing a state image of the molded glove's parting line inside the detection box; and a processor connected to the camera assembly, for receiving the state image of the molded glove's parting line, determining the light leakage state of the molded glove based on the state image of the molded glove's parting line, and determining the damage state of the molded glove.

[0007] Optionally, it further includes: a mounting base, disposed inside the testing box and fixedly installed at the bottom of the testing box; the hand-shaped light is mounted on the mounting base, and the mounting base is used to fix the hand-shaped light vertically; the mounting base is frustum-shaped, with the larger diameter end of the frustum contacting the bottom of the testing box; the upper end of the molded glove is supported by the hand-shaped light; and the bottom of the molded glove is fitted onto the mounting base.

[0008] Optionally, it also includes: a semi-circular groove, disposed on the mounting base and located on the side wall of the frustum-shaped structure, forming a semi-circular groove structure extending from the side wall of the frustum towards the central axis of the frustum; the bottom end of the molded glove includes a rolled edge, which is inserted into the semi-circular groove.

[0009] Optionally, it also includes: a fixing ring, which, when the molded glove is fitted over the outside of the mounting base, is fitted over the outside of the molded glove, and the diameter of the fixing ring is between the maximum and minimum diameters of the frustum; and a clamping block, integrally connected to the fixing ring and parallel to the bottom surface of the testing box, wherein the clamping block is provided with a hole for a wing bolt to pass through, and the wing bolt connects the clamping block to the bottom surface of the testing box.

[0010] Optionally, the inflation assembly includes: a through hole penetrating the mounting base, one end of the through hole being located at the bottom of the mounting base, the other end of the through hole being located at the top of the mounting base, and communicating with the inside of the molded glove; and a first quick connector fixedly installed on the side of the through hole facing the testing box, the first quick connector being used to connect compressed air.

[0011] Optionally, the inflation assembly further includes a second quick connector that passes through the mounting base and connects to the inside of the molded glove for connecting a pressure gauge.

[0012] Optionally, the testing box includes: a box body with a rectangular parallelepiped structure, including three side walls, a bottom surface, and a top surface; and a door installed on the side of the box body without side walls to close the box body.

[0013] Optionally, the camera assembly includes: a first camera mounted on the side wall of the housing for observing the mold line on the side of the molded glove; a second camera mounted on the top surface of the housing; a third camera mounted on the top surface of the housing for synchronously observing the mold line of the finger area of ​​the molded glove with the second camera; and a fourth camera mounted on the side wall of the housing and on the opposite side of the first camera for observing the mold line of the molded glove on the opposite side of the first camera.

[0014] Optionally, it also includes: a power interface connected to the hand-shaped light circuit for connecting a power source to supply power to the hand-shaped light; and an indicator light installed on the outside of the detection box and connected to the processor circuit, wherein the processor controls the color of the indicator light based on the damaged state of the molded glove.

[0015] According to another aspect of the present invention, a vision-based method for detecting damage to molded gloves is also provided, comprising: placing a molded glove on a mounting base via a hand-shaped light, and fitting a fixing ring on the lower end of the molded glove, and tightening a wing bolt; inflating the molded glove with air via a first quick connector, and energizing the hand-shaped light via a power interface; sealing a detection box; acquiring a state image of the molded glove's parting line within the detection box using a camera assembly; performing grayscale processing on the state image of the molded glove's parting line; determining that the molded glove is damaged if there is a pixel value greater than or equal to 100 in the state image of the molded glove's parting line, and controlling the indicator light to turn red; otherwise, determining that the molded glove is not damaged, and controlling the indicator light to turn green.

[0016] The technical solution adopted in this invention can achieve at least one of the following beneficial effects: In this embodiment of the invention, by inflating the molded glove and placing a light source inside, multiple cameras are used to observe the light transmittance at the glove's parting line to determine the damage condition, which greatly improves the detection accuracy and efficiency. This achieves the effect of rapid detection of molded glove damage, without the need for drying, and allows for batch testing. Furthermore, even minor damage on the molded glove will allow light to pass through, significantly improving detection accuracy. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below, forming part of the present invention. The illustrative embodiments of the present invention and their descriptions explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings: Figure 1 This is an overall structural diagram of a vision-based molded glove damage detection device according to Embodiment 1 of the present invention; Figure 2 This is a structural diagram of a molded glove according to Embodiment 1 of the present invention, which describes a vision-based molded glove damage detection device. Figure 3 This is a structural diagram of the hand-shaped lamp of a vision-based molded glove damage detection device according to Embodiment 1 of the present invention; Figure 4 This is a structural diagram of the mounting base of a vision-based molded glove damage detection device according to Embodiment 1 of the present invention; Figure 5 This is a diagram of the fixed ring structure of a vision-based molded glove damage detection device according to Embodiment 1 of the present invention; Figure 6 This is a structural diagram of the inflation component of a vision-based molded glove damage detection device according to Embodiment 1 of the present invention; Figure 7 This is a diagram showing the installation position of the camera component in a vision-based molded glove damage detection device according to Embodiment 1 of the present invention. Figure 8 This is a flowchart of a vision-based method for detecting damage to molded gloves, as described in Embodiment 2 of the present invention.

[0018] Explanation of reference numerals in the attached figures: 010. Testing box; 011. Box body; 012. Box door; 020, Indicator Light; 030. Molded gloves; 031. Hemmed edges; 032. Parting line; 041. First camera; 042. Second camera; 043. Third camera; 044. Fourth camera; 051. Hand-shaped light; 052. Power interface; 061. Mounting base; 062. First quick connector; 063. Second quick connector; 071. Fixing ring; 072. Wing bolt; 081. Semicircular groove. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of this invention will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. In the description of this invention, it should be noted that the term "or" is generally used to include the meaning of "and / or," unless otherwise expressly indicated.

[0020] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or a magnetic connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. Furthermore, in the description of this application, the terms "first," "second," etc., are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance. In the description of this invention, "a plurality of" means at least two, such as two, three, or more, unless otherwise explicitly specified.

[0021] Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0022] First, to facilitate understanding of the embodiments of the present invention, some terms or nouns involved in the present invention will be explained below: Molded gloves are protective gloves specifically designed for glove boxes, manufactured using a molding process. Their defects mainly occur along the mold-closing line.

[0023] To address the problems existing in related technologies, this application provides a vision-based device and method for detecting damage to molded gloves.

[0024] Example 1 This embodiment provides a vision-based device for detecting damage to molded gloves, such as... Figure 1 , Figure 1 This is an overall structural diagram of a vision-based molded glove damage detection device according to Embodiment 1 of the present invention; the device includes: The inspection box 010 includes six opaque outer walls, with the interior space being dark. A hand-shaped light 051, located inside the inspection box 010, is fitted onto the hand-shaped light 051, which is a light source. The molded glove 030 has a vertical parting line 032. An inflation assembly, installed at the bottom of the inspection box 010 and below the hand-shaped light 051, is located inside the molded glove 030 and is used to inflate the molded glove 030. A camera assembly, installed inside the inspection box 010 and located on its outer wall, is used to capture images of the molded glove's parting line 032 within the inspection box 010. A processor, connected to the camera assembly, receives the images of the molded glove's parting line 032, detects light leakage in the molded glove 030 based on these images, and determines the damage status of the molded glove 030.

[0025] Optionally, molded glove 030 is specifically a molded glove box glove, whose appearance and structure are as follows: Figure 2 As shown, Figure 2 This is a structural diagram of a molded glove 030 according to Embodiment 1 of the present invention, which is a vision-based molded glove damage detection device. Due to the process characteristics, there is an unavoidable continuous parting line 032 at the joint between the forefoot and back of the molded glove 030. During the production process, errors in the placement of the rubber material and errors in manual trimming may cause the molded glove 030 to have varying degrees of damage at the parting line 032.

[0026] Optionally, a hand-shaped light 051 is placed inside the testing box 010. The hand-shaped light 051 is a light-emitting body. The molded glove 030 is placed on the hand-shaped light 051. After the testing box 010 is closed, the inside of the testing box 010 is in a completely dark state. Since the molded glove 030 is opaque, if there is light inside the testing box 010, it means that the molded glove 030 is damaged, causing the light inside the hand-shaped light 051 to leak through the damaged part into the testing box 010.

[0027] Optionally, to ensure that the molded glove 030 without wrinkles conceals the damaged area, the molded glove 030 is inflated using an inflation component, fully supporting it and inflating it. At this point, the light emitted by the hand-shaped light 051 inside the molded glove 030 can illuminate the entire area inside the glove 030, allowing light to leak through even if there is a tear inside. Even minor tears will allow light to pass through to the detection chamber 010 due to light refraction, effectively improving detection accuracy.

[0028] Optionally, a hand-shaped light 051 is designed inside the molded glove 030, and its appearance structure is as follows: Figure 3 As shown, Figure 3This is a structural diagram of a hand-shaped light 051 in a vision-based molded glove damage detection device according to Embodiment 1 of the present invention. The hand-shaped light 051 has the same shape as the molded glove 030. After being powered on, the light can cover all the mold parting lines 032 of the molded glove 030. If there is damage at the mold parting line 032, light leakage will occur, which can be detected by the camera component at the corresponding position.

[0029] Using light leaks in the dark to make judgments can avoid problems caused by small angles or small damage points that prevent detection, resulting in higher detection accuracy.

[0030] In some preferred embodiments, the device further includes: a mounting base 061, disposed inside the testing box 010 and fixedly mounted on the bottom of the testing box 010; a hand-shaped light 051 mounted on the mounting base 061; the mounting base 061 is used to fix the hand-shaped light 051 vertically; the mounting base 061 is frustum-shaped, with the larger diameter end of the frustum contacting the bottom of the testing box 010; the upper end of the molded glove 030 is supported by the hand-shaped light 051; and the bottom of the molded glove 030 is fitted onto the mounting base 061. Figure 4 As shown, Figure 4 This is a structural diagram of the mounting base 061 of a vision-based molded glove damage detection device according to Embodiment 1 of the present invention.

[0031] Optionally, the mounting base 061 is used to support and fix the hand-shaped light 051 and the inflation assembly. The mounting base 061 is fixedly installed on the bottom surface of the testing box 010, ensuring the hand-shaped light 051 is placed vertically on it. This prevents the hand-shaped light 051 from tipping over, thus preventing any part of the molded glove 030 fitted over the hand-shaped light from contacting the outer wall of the testing box 010 and preventing light from leaking out. Therefore, the mounting base 061 is needed to fully support the hand-shaped light 051. The hand-shaped light 051 is a sheet-like structure, but it can also be used as a three-dimensional hand-shaped structure. To accommodate molded gloves 030 of different sizes, the mounting base 061 is designed in the shape of a frustum. The sidewalls of the frustum can accommodate the lower ends of molded gloves 030 of different sizes, allowing the lower ends to be opened and fixed to the mounting base 061, facilitating inflation of the molded gloves 030.

[0032] Optionally, the hand-shaped light 051 is positioned on the upper part of the mounting base 061, and the molded glove 030 can cover the entire hand-shaped light 051 after installation.

[0033] In some preferred embodiments, such as Figure 4 As shown, the device also includes: a semi-circular groove 081, which is disposed on the mounting base 061 and located on the side wall of the frustum-shaped structure, forming a semi-circular groove structure from the side wall of the frustum towards the central axis of the frustum; the bottom end of the molded glove 030 includes a rolled edge 031, which is inserted into the semi-circular groove 081.

[0034] Optionally, a semi-circular groove 081 is designed on the mounting base 061. When installing the molded glove 030, the rolled edge 031 of the molded glove 030 is fitted inside the semi-circular groove 081 to fix the molded glove 030. This prevents the molded glove 030 from being pushed up by air pressure during inflation, causing it to detach from the mounting base 061 and resulting in light leakage at the lower cuff of the molded glove 030. Fixing the molded glove 030 by fitting the rolled edge 031 inside the semi-circular groove 081 effectively ensures the detection accuracy.

[0035] In some preferred embodiments, the device further includes: a fixing ring 071, which is fitted over the outside of the molded glove 030 when the molded glove 030 is fitted over the outside of the mounting base 061, and the diameter of the fixing ring 071 is between the maximum and minimum diameters of the frustum; and a clamping block, integrally connected to the fixing ring 071 and parallel to the bottom surface of the testing box 010, the clamping block having a hole for a wing bolt 072 to pass through, the wing bolt 072 connecting the clamping block to the bottom surface of the testing box 010. Figure 5 As shown, Figure 5 This is a structural diagram of the fixed ring 071 of a vision-based molded glove damage detection device in Embodiment 1 of the present invention.

[0036] Optionally, to more securely fix the lower end of the molded glove 030, a fixing ring 071 is provided on the outside of the molded glove 030. The diameter of the fixing ring 071 is between the maximum and minimum diameters of the mounting base 061. After the molded glove 030 is placed on the mounting base 061 through the hand-shaped light 051, the fixing ring 071 is slipped down from the top of the molded glove 030 until it reaches the connection position between the molded glove 030 and the mounting base 061. At this point, the fixing ring 071 is continued downward until the molded glove 030 is completely pressed against the mounting base 061, effectively pressing the lower end of the molded glove 030 firmly onto the mounting base 061, preventing the molded glove 030 from detaching from the mounting base 061 during the inflation process.

[0037] Optionally, after the fixed ring 071 reaches the clamping position, it is fixed to the bottom surface of the test box 010 using a wing bolt 072. A fixing post can be installed on the bottom surface of the test box 010, with a threaded hole inside the post for the wing bolt 072. A clamping block is provided on the fixed ring 071, and the wing bolt 072 passes through the clamping block and is tightened into the threaded hole of the fixing post, thereby fixing the fixed ring 071 and clamping the molded glove 030. When the fixed ring 071 is pressed downwards using the wing bolt 072, the molded glove 030 is clamped and sealed.

[0038] Optionally, the fixing method using the combination of the conical surface of the frustum structure and the ring can adapt to different thicknesses of molded gloves 030, while achieving good airtightness.

[0039] In some preferred embodiments, the inflation assembly includes: a through hole penetrating the mounting base 061, one end of the through hole being disposed at the bottom of the mounting base 061, the other end of the through hole being disposed at the top of the mounting base 061, and communicating with the molded glove 030; and a first quick connector 062, fixedly installed on the side of the through hole facing the detection box 010, the first quick connector 062 being used to connect compressed air.

[0040] Optionally, to improve the accuracy of the detection, an air-inflating structure for the gloves was added, the structure of which is as follows: Figure 6 As shown, Figure 6 This is a structural diagram of the inflation component of a vision-based molded glove damage detection device according to Embodiment 1 of the present invention. Two through holes are provided on the mounting base 061. A first quick connector 062 and a second quick connector 063 are connected to the outside of the through holes. The first quick connector 062 is connected to a compressed air source, and the second quick connector 063 is connected to a pressure gauge. Together, they can inflate the molded glove 030 with air at a certain pressure. This makes the mold line 032 easier to observe after the molded glove 030 inflates. Furthermore, the pressure can open up the damaged parts of the molded glove 030, allowing light to pass through even minor tears.

[0041] In some preferred embodiments, the inflation assembly further includes: a second quick connector 063, which passes through the mounting base 061 and connects to the molded glove 030 for connecting a pressure gauge.

[0042] Optionally, a pressure gauge is installed on the second quick connector 063. The pressure gauge is wirelessly connected to the compressed air source. If the pressure gauge reading exceeds the threshold, the air source stops inflating the molded glove 030 to prevent over-inflation that could cause the molded glove 030 to break.

[0043] In some preferred embodiments, such as Figure 1 As shown, the testing box 010 includes: a box body 011, which has a rectangular structure and includes three side walls, a bottom surface and a top surface; and a box door 012, which is installed on the side of the box body 011 without side walls and closes the box body 011.

[0044] Optionally, the testing box 010 includes a box body 011 and a door 012, wherein both the box body 011 and the door 012 are made of non-transparent material, and the interior of the testing box 010 is completely dark when the door 012 is closed. By setting the door 012, the testing box 010 can be opened and closed, thereby enabling the replacement of the molded gloves 030.

[0045] In some preferred embodiments, the camera assembly includes: a first camera 041, mounted on the side wall of the housing 011, for observing the parting line 032 on the side of the molded glove 030; a second camera 042, mounted on the top surface of the housing 011; a third camera 043, mounted on the top surface of the housing 011, for synchronously observing the parting line 032 on the finger part of the molded glove 030 with the second camera 042; and a fourth camera 044, mounted on the side wall of the housing 011 and on the opposite side of the first camera 041, for observing the parting line 032 of the molded glove 030 on the opposite side of the first camera 041.

[0046] Optionally, the camera assembly includes four detection cameras, wherein the four detection cameras are arranged inside the detection box 010 as follows: Figure 7 As shown, Figure 7 This is an installation diagram of the camera components of a vision-based molded glove damage detection device according to Embodiment 1 of the present invention. The first camera 041 and the fourth camera 044 are respectively arranged on both sides, which can observe the mold parting line 032 on the side of the glove; the second camera 042 and the third camera 043 are arranged on the top of the detection box 010, which can observe the mold parting line 032 on the finger part of the molded glove 030. Since the structure of the finger part is relatively complex, the combination of two cameras can effectively prevent the mold parting line 032 from being blocked.

[0047] Specifically, a hand-shaped light 051 is designed inside the molded glove 030. The hand-shaped light 051 is identical in shape to the molded glove 030. When powered on, the light can cover all the mold parting lines 032 of the molded glove 030. If there is any damage at the mold parting line 032, light leakage will occur, which can be detected by the camera component at the corresponding position.

[0048] In some preferred embodiments, the device further includes: a power interface 052, connected to the hand-shaped light 051 circuit, for connecting a power source to supply power to the hand-shaped light 051; and an indicator light 020, installed on the outside of the detection box 010 and connected to the processor circuit, wherein the processor controls the color of the indicator light 020 based on the damage status of the molded glove 030.

[0049] Optionally, indicator light 020 is used to visually display the test results; a green light indicates a pass and a red light indicates damage.

[0050] Example 2 According to embodiments of the present invention, a vision-based method for detecting damage to molded gloves is also provided, such as... Figure 8 As shown, Figure 8 This is a flowchart of a vision-based method for detecting damage to molded gloves according to Embodiment 2 of the present invention. The method includes: Step S1: Place the molded glove 030 onto the mounting base 061 via the hand-shaped light 051, and place the fixing ring 071 onto the lower end of the molded glove 030, and tighten the wing bolt 072. Step S2: Inflate the molded glove 030 with air via the first quick connector 062, and power on the hand-shaped light 051 via the power interface 052; Step S3, seal the test box 010; Step S4: The camera component acquires a status image of the molded glove parting line 032 inside the detection box 010; Step S5: Perform grayscale processing on the state image at the mold parting line 032 of the molded glove; Step S6: If there is a pixel value greater than or equal to 100 in the status image at the mold parting line 032 of the molded glove, it is determined that the molded glove 030 is damaged, and the indicator light 020 is turned red; otherwise, it is determined that the molded glove 030 is not damaged, and the indicator light 020 is turned green.

[0051] Optionally, the damage detection method is applicable to opaque gloves, and the detection process is as follows: Figure 8 As shown. First, after installing and fixing the molded glove 030, inflate the inside of the molded glove 030 and turn on the hand-shaped light 051; then, close the chamber door 012 to make the inside of the test chamber dark, and use the camera components (first camera 041, second camera 042, third camera 043, and fourth camera 044) to acquire state images of the molded glove parting line 032 at the corresponding positions; finally, convert the acquired state images of the molded glove parting line 032 into grayscale images, and use the pixel values ​​of the grayscale images to determine whether there are bright spots, i.e., light leaks, in the images. When one or more of the four grayscale images have areas with pixel values ​​≥100, it indicates the presence of a light leak, and the indicator light will be red; otherwise, the indicator light will be green. The pixel value judgment threshold is set to 100, mainly considering that when the light leak in the image is relatively small, due to the influence of camera performance, the pixel value at the corresponding position in the grayscale image will be relatively small, thus improving the reliability of the detection.

[0052] The vision-based glove damage detection method described above can simultaneously acquire images of the molded glove at the necessary 0-30 angle, avoiding the inefficiency caused by multiple shots from multiple angles; it eliminates the need for procedures such as glove contour extraction and image cropping, requiring only simple grayscale conversion, which greatly improves the judgment efficiency.

[0053] The above are merely preferred embodiments of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. A vision-based molded glove damage detection device, characterized in that, include: The detection box (010) consists of six opaque outer walls, and the interior space is dark. A hand-shaped light (051) is installed inside the detection box (010) and is shaped like a hand. A molded glove (030) is fitted on the hand-shaped light (051). The hand-shaped light (051) is a light-emitting body. The molded glove (030) has a vertical mold line (032). An inflation assembly is installed at the bottom of the testing box (010) and located at the lower end of the hand-shaped light (051), inside the molded glove (030), for inflating the molded glove (030); A camera assembly is installed inside the testing box (010) and located on the outer wall of the testing box (010) for taking pictures of the state of the molded glove mold line (032) inside the testing box (010); The processor, connected to the camera assembly, is used to receive a status image at the molded glove mold line (032), determine the light leakage status of the molded glove (030) based on the status image at the molded glove mold line (032), and determine the damage status of the molded glove (030).

2. The vision-based molded glove damage detection device according to claim 1, characterized in that, Also includes: The mounting base (061) is disposed inside the detection box (010) and fixedly installed at the bottom of the detection box (010). The hand-shaped light (051) is mounted on the mounting base (061), and the mounting base (061) is used to fix the hand-shaped light (051) vertically. The mounting base (061) is frustum-shaped, with the larger diameter end of the frustum contacting the bottom of the testing box (010). The upper end of the molded glove (030) is supported by the hand-shaped lamp (051), and the bottom of the molded glove (030) is fitted onto the mounting base (061).

3. The vision-based molded glove damage detection device according to claim 2, characterized in that, Also includes: A semi-circular groove (081) is provided on the mounting base (061) and located on the side wall of the frustum-shaped structure, forming a semi-circular groove structure from the side wall of the frustum towards the central axis of the frustum; The bottom end of the molded glove (030) includes a rolled edge (031) that engages with the semi-circular groove (081).

4. The vision-based molded glove damage detection device according to claim 2, characterized in that, Also includes: A fixing ring (071) is fitted around the outside of the molded glove (030) when the molded glove (030) is fitted around the outside of the mounting base (061). The diameter of the fixing ring (071) is between the maximum diameter and the minimum diameter of the frustum. The clamping block is integrally connected to the fixed ring (071) and parallel to the bottom surface of the detection box (010). The clamping block is provided with a hole for the butterfly bolt (072) to pass through. The butterfly bolt (072) connects the clamping block to the bottom surface of the detection box (010).

5. The vision-based molded glove damage detection device according to claim 2, characterized in that, The inflation assembly includes: A through hole extends through the mounting base (061), with one end of the through hole located at the bottom of the mounting base (061) and the other end located at the top of the mounting base (061), and communicating with the molded glove (030). The first quick connector (062) is fixedly installed on the side of the through hole facing the detection box (010), and the first quick connector (062) is used to connect compressed air.

6. The vision-based molded glove damage detection device according to claim 5, characterized in that, The inflation assembly also includes: The second quick connector (063) passes through the mounting base (061) and connects to the molded glove (030) for connecting a pressure gauge.

7. The vision-based molded glove damage detection device according to claim 1, characterized in that, The detection box (010) includes: The box (011) has a rectangular structure, including three side walls, a bottom surface, and a top surface; A door (012) is installed on the side of the box (011) without side walls to close the box (011).

8. The vision-based molded glove damage detection device according to claim 7, characterized in that, The camera component includes: The first camera (041) is installed on the side wall of the housing (011) for observing the mold line (032) on the side of the molded glove (030). The second camera (042) is installed on the top surface of the housing (011); The third camera (043) is installed on the top surface of the housing (011) and is used to observe the parting line (032) of the finger part of the molded glove (030) synchronously with the second camera (042). The fourth camera (044) is installed on the side wall of the housing (011) and on the opposite side of the first camera (041) for observing the mold line (032) of the molded glove (030) on the opposite side of the first camera (041).

9. The vision-based molded glove damage detection device according to claim 1, characterized in that, Also includes: The power interface (052) is connected to the circuit of the hand-shaped lamp (051) and is used to connect the power supply to the hand-shaped lamp (051); An indicator light (020) is installed on the outside of the detection box (010) and connected to the processor circuit. The processor controls the color of the indicator light (020) based on the damage status of the molded glove (030).

10. A vision-based method for detecting damage to molded gloves, applied to the vision-based device for detecting damage to molded gloves according to any one of claims 1 to 9, characterized in that, include: The molded glove (030) is placed on the mounting base (061) through the hand-shaped light (051), and the fixing ring (071) is placed on the lower end of the molded glove (030) and the wing bolt (072) is tightened. Inflate the molded glove (030) using the first quick connector (062) and power on the hand-shaped light (051) using the power interface (052); Sealed testing box (010); The camera component acquires a status image of the molded glove at the mold-closing line (032) inside the detection box (010); The state image at the mold parting line (032) of the molded glove is processed into grayscale; If there is a pixel value greater than or equal to one hundred in the status image at the molded glove parting line (032), the molded glove (030) is determined to be damaged, and the indicator light (020) is turned red; otherwise, the molded glove (030) is determined to be undamaged, and the indicator light (020) is turned green.

Images