Mobile imaging device, imaging system, imaging assembly and imaging method for imaging a cutting edge
By moving the imaging device on the workpiece to create an image, and using a plastic substrate and cutting edge stop to maintain a constant distance between the imaging unit and the cutting edge, the problem of poor image recording in the evaluation of laser-cut workpiece cutting quality is solved, and efficient cutting edge imaging and parameter optimization are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TRUMPF WERKZEUGMASCHINEN GMBH & CO KG
- Filing Date
- 2024-11-13
- Publication Date
- 2026-06-12
AI Technical Summary
Existing technologies suffer from poor image recording quality when evaluating the cutting quality of laser-cut workpieces, especially when the workpiece is large in size and weight, making imaging difficult and requiring additional steps, which affects production efficiency and product quality.
A mobile imaging device is adopted, which consists of a plastic substrate, a cutting edge stop, an imaging unit, and a light source. It can move on the workpiece to form an image, and the cutting edge stop maintains a constant distance between the imaging unit and the cutting edge, ensuring the generation of high-quality images.
It enables high-quality, repeatable cutting edge imaging under different workpieces and conditions, simplifies cutting quality assessment and parameter optimization, and improves production efficiency.
Smart Images
Figure CN122206531A_ABST
Abstract
Description
Background Technology
[0001] Cutting quality is typically captured and evaluated using image-based computer methods, such as machine learning, when producing workpieces using laser cutting. Based on the detected cutting quality, method and machine parameters can be adjusted or corrected to maintain and / or optimize cutting quality during production.
[0002] However, the quality of the results produced by such computer methods depends to a considerable extent on the quality of the image being evaluated. Changes in conditions, particularly changes in the shooting position and / or shooting angle, can significantly impair the quality of the record.
[0003] An apparatus for analyzing the cut edge of a workpiece is known from WO 2022 / 157310 A1. The workpiece is held in a workpiece holder at a predetermined illumination angle in order to achieve a high-quality image of the cut edge.
[0004] However, the known devices can only insufficiently meet the requirements for image recording quality.
[0005] For example, with conventional equipment, the workpiece must typically be positioned within an imaging device, requiring additional steps to determine cut quality. The workload usually increases with the size and weight of the workpiece. Furthermore, in such bulky workpieces, imaging the cut edges is often significantly hindered or impossible, for example, due to the limited imaging space available. To monitor cut quality, test pieces must typically be produced; however, this reduces production capacity and leads to defects. Summary of the Invention
[0006] Therefore, the object of the present invention is to disclose an apparatus and a method by which simple images with cut edges can be generated with reproducible high image quality.
[0007] According to the invention, this objective is achieved by a mobile imaging device having the features of claim 1. This objective is also achieved by an imaging system having the features of claim 10. This objective is also achieved by an imaging assembly having the features of claim 12. This objective is also achieved by an imaging method having the features of claim 14. The dependent claims propose further preferred improvements to the invention.
[0008] According to the present invention, a mobile imaging device is provided. This mobile imaging device is configured for mobile use. In other words, the mobile imaging device can be used in a location-independent manner. This allows the imaging device to be used, for example, inside and / or near a machine tool. In this way, cutting edges can be imaged particularly easily at the location where the cutting edge is formed.
[0009] A mobile imaging device is configured to generate at least one image of a cut edge of a workpiece. Typically, a mobile imaging device is configured to image multiple cut edges on various workpieces.
[0010] Mobile imaging devices have a substrate. The substrate is typically made of plastic. This allows the imaging device to be constructed to be robust yet lightweight, thus simplifying operation.
[0011] The substrate has a cutting edge stop. The cutting edge stop can be disposed on or constructed on the substrate. Typically, the cutting edge stop is integrally formed with the substrate or formed on the substrate. Alternatively or additionally, the cutting edge stop can be disposed on the substrate by means of known fastening means. Furthermore, it is conceivable that the cutting edge stop is constructed of multiple parts, wherein a first part of the cutting edge stop is formed on the substrate, and a second part is fastened to the substrate, particularly to the first part of the cutting edge stop.
[0012] The cutting edge stop is configured to hold the substrate against a workpiece having a cutting edge to be imaged. In other words, when the imaging device is positioned on the workpiece, the cutting edge stop forms a contact section between the workpiece and the imaging device.
[0013] The imaging device has at least one imaging unit. Preferably, the imaging device has exactly one imaging unit. An imaging unit should be understood as a sub-device configured to generate a graphic image with cut edges. Typically, the imaging unit has at least one camera or is configured as a camera. For example, the imaging unit can be configured as a smartphone.
[0014] The camera preferably has a resolution of at least 0.5 megapixels, and particularly preferably at least 1.0 megapixels. More preferably, the camera has a resolution of no more than 5.0 megapixels, and particularly preferably no more than 2.0 megapixels. The inventors have recognized that cameras with the above-mentioned resolutions are particularly suitable for imaging cut edges in terms of resolution accuracy, imaging speed, storage requirements, and evaluation workload.
[0015] The imaging unit can be arranged or positioned within or in a substrate. In other words, the substrate can enclose the imaging unit, wherein the substrate has at least one imaging aperture for imaging the cut edge. Alternatively, the imaging unit can be arranged on the substrate. In other words, the imaging unit can be fastened to the outer side of the substrate.
[0016] The imaging unit can be permanently secured to the substrate, for example, by a non-destructive, non-removable component, or detachably secured to the substrate by a clamping component or a threaded connection component. For example, the latter allows a smartphone serving as the imaging unit to be temporarily positioned on the substrate. This allows for the provision of imaging devices at a particularly cost-effective level.
[0017] According to the present invention, the cutting edge stop is formed along the optical imaging axis of the imaging unit at a predetermined edge distance from the imaging unit. This edge distance is preferably aligned with the focal position of the imaging unit. This allows for particularly simple imaging of the cutting edge in the imaging plane of the imaging unit.
[0018] When the imaging device is placed on the workpiece, a predetermined edge distance ensures a constant imaging distance between the imaging device and the cutting edge. In other words, for different workpieces and different imaging processes, the distance between the imaging unit and the cutting edge of the workpiece to be imaged can remain the same. This achieves consistently high image quality while using a simple imaging method.
[0019] In summary, this invention provides a mobile imaging device that, by means of a cutting edge stop, allows the imaging device to be repeatedly applied to different workpieces with cutting edges to be imaged. The distance between the imaging device and the cutting edge can be kept constant in a particularly simple manner, enabling the generation of consistent, high-quality images. This further simplifies the evaluation of the cutting quality of the machine tool and the subsequent modification or optimization of the machine parameters and / or manufacturing process parameters used to cut the workpiece.
[0020] In a preferred embodiment, the mobile imaging device has a handle disposed or constructed on a substrate. In other words, the substrate has a handle. The handle is configured for one-handed operation of the mobile imaging device. Preferably, the handle is ergonomically shaped to further improve operation. The handle is particularly preferably configured in a "pistol shape," which allows for particularly safe operation of the handle.
[0021] In a preferred embodiment, the mobile imaging device also includes a trigger disposed on a handle. The trigger is configured to generate an image of the cut edge when the imaging device is placed against the workpiece. In other words, the trigger activates the imaging unit, thereby generating an image of the cut edge. This further simplifies the operation of the imaging device. The trigger can preferably be configured to be activated by the index finger of a human hand.
[0022] The movable imaging device is preferably configured such that a cutting edge stop is adjustable along the optical imaging axis. The cutting edge stop is preferably configured to be movable and fixed along the optical imaging axis. Particularly preferably, the cutting edge stop is configured as at least two parts, wherein one part of the cutting edge stop is configured to deflect relative to a second part of the cutting edge stop. After the movable part is deflected, it can preferably be fixed relative to the second part of the cutting edge stop. This allows the imaging distance to be adjusted for changes in the focal position of the imaging unit or changes in the image size, thereby improving the imaging flexibility of the imaging device.
[0023] In a preferred embodiment of the mobile imaging device, the mobile imaging device has a cover disposed or constructed on a substrate. The cover is configured to protect the imaging unit from interference caused by external light. This can improve the image accuracy, especially the image sharpness.
[0024] The movable imaging device is preferably configured such that the substrate has alignment stops disposed or constructed thereon. When the imaging device is positioned on the workpiece, the alignment stops ensure perpendicular alignment of the optical imaging axis with the cutting edge. In other words, the alignment stops typically have a predetermined stopping angle relative to the cutting edge stops. This stopping angle is preferably configured to adapt to the contour of the workpiece.
[0025] In a preferred embodiment, the movable imaging device has a light source disposed on or within a substrate. When the imaging device is positioned against the workpiece, the light source is oriented towards the cut edge. In other words, the light source is configured to illuminate the cut edge during image generation. The light source may have one or more bulbs. Preferably, the light source is configured as a so-called dome lamp, which ensures particularly uniform illumination of the cut edge. This can further improve image quality.
[0026] The mobile imaging device is more preferably configured such that the imaging unit is constructed within the substrate. In other words, the imaging unit is integrally arranged and constructed within the substrate. This provides a particularly high level of protection for the imaging unit against damage.
[0027] In a preferred embodiment, the mobile imaging device, particularly the imaging unit, has a communication module for exchanging data. For example, a data cable can be used to exchange data. Preferably, the communication module is configured for wireless data exchange, particularly via Bluetooth. This can further improve the operation of the imaging device.
[0028] This fundamental objective is also achieved by an imaging system adapted and configured to generate images of cut edges on a workpiece. Typically, the imaging system is configured to store the images. Preferably, the imaging system is configured for further processing or evaluation of the images.
[0029] The imaging system includes at least one movable imaging device as described above and below. Preferably, the imaging system has at least two or more imaging devices as described above and below. This allows the imaging system to be configured to be particularly efficient and capable of simultaneously imaging multiple cut edges.
[0030] The imaging system includes an evaluation unit for storing images generated by the imaging device. Typically, the evaluation unit is configured to communicate with a communication module of the mobile imaging device. Communication between the evaluation unit and the mobile imaging device enables data exchange, particularly the exchange of generated images.
[0031] Data exchange can be conducted via cable or wired connection. Preferably, data exchange is conducted wirelessly, and particularly preferably via Bluetooth.
[0032] In a preferred embodiment, the imaging system includes a machine tool. The machine tool is configured to form cutting edges on a workpiece, particularly to cut out cutting edges. Preferably, the machine tool is configured as a laser processing machine, wherein the processing of the workpiece or the formation of the cutting edge is performed by means of a processing laser. An evaluation unit can be integrated into the machine tool, particularly its control system. This allows for particularly rapid evaluation of the image in conjunction with rapid evaluation.
[0033] This fundamental objective is also achieved through an imaging component. This imaging component is adapted and configured to generate images of the cut edges on the workpiece.
[0034] The imaging assembly includes the imaging system described above and below, which has at least one imaging device described above and below. Preferably, the imaging assembly includes two or more imaging devices as described above and below.
[0035] In addition, the imaging assembly includes a workpiece with a cut edge to be imaged.
[0036] The mobile imaging device is configured to be placed against the workpiece to image the cut edges. In a special configuration, the mobile imaging device is placed directly on the workpiece.
[0037] In a particular embodiment of the imaging assembly, the cutting edge stop and the alignment stop are configured to complement the contour segment of the workpiece. In other words, the cutting edge stop and the alignment stop abut against different sides of the workpiece. Preferably, by abutting the cutting edge stop and the alignment stop against the workpiece, the optical imaging axis of the imaging unit is configured perpendicular to the cutting edge.
[0038] This fundamental objective is also achieved through an imaging method. This imaging method is configured to generate an image of the cut edge on the workpiece using the imaging components described previously.
[0039] The imaging method includes at least the following steps: In the first step of the imaging method, a movable imaging device is positioned on the workpiece. The workpiece typically has at least one cut edge to be imaged. The movable imaging device is positioned by placing a cut edge stop of the movable imaging device on the workpiece. This allows a predetermined distance to be maintained between the imaging unit and the cut edge.
[0040] In another step of the imaging method, imaging of the cut edge is completed by triggering the imaging unit. Preferably, the triggering is performed by means of a trigger on the imaging device. The trigger is particularly preferably arranged on the handle of the imaging device.
[0041] In a preferred embodiment of the imaging method, the movable imaging device is additionally positioned on the workpiece by placing alignment stops on the workpiece. In other words, it is positioned against the workpiece by means of cutting edge stops and alignment stops. This ensures that, in addition to a predetermined imaging distance, a predetermined imaging angle is also guaranteed. This achieves further improvement and reproducibility in imaging the cutting edge.
[0042] In another preferred embodiment, the imaging method includes an additional method step of transmitting an image to an evaluation unit of the imaging system.
[0043] Other advantages of the invention will be apparent from the description and drawings. Similarly, the features mentioned above and those yet to be described can each be used individually or in any desired combination according to the invention. The embodiments shown and described are not to be construed as an exhaustive enumeration, but rather as having exemplary characteristics for describing the invention. Attached Figure Description
[0044] Figure 1 The mobile imaging device is shown in a stereoscopic view.
[0045] Figure 2 An imaging assembly with an imaging system is illustrated schematically, the imaging assembly having data from... Figure 1 Imaging devices and workpieces.
[0046] Figure 3 An imaging method for generating images of cut edges on a workpiece is illustrated schematically. Detailed Implementation
[0047] Figure 1 A first embodiment of the mobile imaging device 10 according to the present invention is shown.
[0048] Imaging device 10 is configured to generate workpiece 16 in a position-independent manner (see Figure 2 The cut edge 14 (see) Figure 2 At least one image 12 (see) Figure 2 ).
[0049] As shown in the figure, the imaging device 10 includes a substrate 18 and a cutting edge stop 20 disposed on the substrate 18.
[0050] The cutting edge stop 20 is configured to abut against the workpiece 16 having the cutting edge 14 to be imaged. By placing the cutting edge stop 20 against the workpiece 16, the substrate 18 can be ensured to be positioned at a predetermined edge distance 22 (see [link to documentation]). Figure 2 ).
[0051] The imaging device 10 also includes an imaging unit 24. As illustrated, the imaging unit 24 is disposed within and substantially enclosed by the substrate 16 (indicated by the dashed reference line). The imaging unit 24 is preferably configured as a camera. The imaging unit 24 is configured to image the cut edge 14. The imaging unit 24 is preferably disposed or secured to the substrate 18 in a non-removable manner.
[0052] The substrate 18 and / or the cutting edge stop 20 preferably have an imaging recess 26 through which the imaging unit 24 generates an image 12 of the cutting edge 14. In other words, the optical imaging axis 28 of the imaging unit 24 is guided through the imaging recess 26.
[0053] Therefore, when the imaging device 10 is arranged on the workpiece 16, the cutting edge stop 20 forms a predetermined edge distance 22 with the imaging unit 24 along the optical imaging axis 28 of the imaging unit 24. This ensures a constant imaging distance between the imaging device 24 and the cutting edge 14.
[0054] The cutting edge stop 20 can be detachably fastened to the base 18 to facilitate easy replacement of the cutting edge stop 20. If image 12 needs to be formed under changed conditions, the cutting edge stop 20 can be replaced.
[0055] Alternatively or additionally, the cutting edge stop 20 is configured to be adjustable along the optical imaging axis 28. This makes it particularly easy to adapt the imaging distance to changes in focal position or image size.
[0056] As illustrated, the mobile imaging device 10 may have a handle 30 disposed or constructed on the base 18. The handle 30 is preferably configured for one-handed operation of the mobile imaging device 10 by an operator (not shown). Typically, the handle 30 is configured in the shape of a pistol, as shown.
[0057] As shown, the mobile imaging device 10 may further include a trigger 32 disposed on the handle 30 for generating an image 12 of the cut edge 14 when the imaging device 10 is positioned against the workpiece 16. The trigger 32 is typically configured to trigger the imaging unit 24. Preferably, the trigger 32 is configured to be triggered by the index finger of an operator's hand.
[0058] The mobile imaging device 10 may also have a cover 34 disposed or constructed on the substrate 18. As shown, the cover 34 is integrally constructed on the cut edge stop 20. The cover 34 reliably protects the imaging unit 24 from interference caused by external light, thereby further improving image quality.
[0059] Furthermore, as illustrated, the movable imaging device 10 includes an alignment stop 36. As shown, the alignment stop 36 is integrally formed on the cutting edge stop 20. When the imaging device 10 is positioned on the workpiece 16, the alignment stop 36 preferably aligns the optical imaging axis 28 perpendicular to the cutting edge 14. Therefore, the imaging device 10 can be positioned at a constant imaging angle in addition to a constant edge distance 22. This allows for even more precise positioning of the imaging device 10, thereby further improving image quality.
[0060] Furthermore, the mobile imaging device 10 or imaging unit 24 may include a communication module 38. The communication module 38 is configured to exchange data, particularly wirelessly. Typically, the communication module 38 is configured to transmit the image 12 generated by the imaging unit 24 at the cut edge 14. The communication module 38 is typically disposed within the substrate 18, indicated by the dashed reference line.
[0061] Figure 2 An imaging assembly 40 with an imaging system 42 and a workpiece 16 is shown.
[0062] The imaging system 42 is configured to generate an image 12 of the cut edge 14 of the workpiece 16. Typically, the imaging system 42 is configured to generate multiple images 12 of different cut edges 14.
[0063] As illustrated, the imaging system 42 includes, for example, Figure 1 The mobile imaging device 10 shown is illustrated. The imaging system 42 preferably has two or more mobile imaging devices 10. This facilitates the parallel generation of images 12.
[0064] The imaging system 42 also includes an evaluation unit 44 for storing the image 12 generated by the imaging device 10. Preferably, the evaluation unit 44 is configured to evaluate the image 12. This allows for particularly rapid and easy execution of subsequent processes. The evaluation unit 44 is particularly preferably arranged in a machine tool (not shown) and / or integrated into the machine tool's machining control system. This allows the evaluation of the image 12 to be directly used to optimize manufacturing parameters.
[0065] Evaluation unit 44 is typically connected to imaging unit 10 for exchanging data, here for exchanging images 12. A data cable can be used to establish the data connection. Preferably, the data connection is wireless, particularly between evaluation unit 44 and communication module 38, which allows for the use of the mobile imaging unit 10 in a particularly flexible manner.
[0066] As shown, the imaging component 40 is adapted and configured to generate one or more images 12 with cut edges 14.
[0067] The movable imaging unit 10 is configured to be placed on the workpiece 16. According to the illustrated imaging assembly 40, the imaging device 10 is positioned against the workpiece 16. A cutting edge stop 20 rests against the cutting edge 14 to be imaged, and spacees the base 18 of the imaging device 10 at an edge distance 22. This allows the imaging unit 24 to be positioned at a predetermined distance from the cutting edge 14, particularly at the focal point, thereby improving image quality.
[0068] Furthermore, as illustrated, the alignment stop 36 is positioned abutting against the upper surface 48 of the workpiece 16. This allows the alignment of the substrate 18 with the cutting edge 14, or the imaging angle of the imaging unit 24, to be set in a repeatable manner. In other words, the image 12 can be generated at the same edge distance 22 and the same imaging angle relative to the cutting edge 14. Preferably, the imaging angle or optical axis 28 of the imaging unit 24 (see...) Figure 1 ) is constructed to be perpendicular to the cut edge 14.
[0069] As illustrated, the cutting edge stop 20 and the alignment stop 36 are configured to complement the contour segment of the workpiece 16. This makes repeatable positioning of the imaging device 10 particularly easy and fast.
[0070] Figure 3 An imaging method 50 is shown, which is used to utilize the imaging assembly 40 (see...). Figure 2 ) Generate workpiece 16 (see Figure 2 Cut edge 14 on ) (see Figure 2 Image 12 (see) Figure 2 ).
[0071] Imaging component 40 is preferably from Figure 2 Imaging component 40.
[0072] Imaging method 50 has at least the following method steps: In step 52 of the imaging method, a movable imaging device 10 is positioned on a workpiece 16. The workpiece 16 typically has at least one cut edge 14 to be imaged.
[0073] Typically, this is achieved by using the cutting edge stop 20 of the mobile imaging device 10 (see...) Figure 1 and Figure 2 The imaging device 10 is positioned against the workpiece 16 or the cutting edge 14. This positions the imaging device 10 or imaging unit 24 at a predetermined distance from the cutting edge 14.
[0074] Another method step 54 of imaging method 50 involves forming an image 12 of the cut edge 14 by triggering imaging unit 24. Preferably, this is done by actuating trigger 32 (see...). Figure 1The trigger 32 is used to trigger the imaging unit 24. The trigger 32 is usually arranged or constructed on the imaging device 10, especially on the handle 30 of the imaging device.
[0075] The additional method step 56 of imaging method 50 can be set to additionally improve the alignment stop 36 (see...) Figure 1 and Figure 2 The movable imaging device 10 is additionally arranged on the workpiece 16 by placing it against the workpiece 16. This allows the imaging unit 24 to be positioned in a repeatable manner at a predetermined imaging distance and a predetermined imaging angle.
[0076] Another method step 58 of imaging method 50 can be configured to transmit image 12 to evaluation unit 44 of imaging system 42 (see [link]). Figure 2 This facilitates rapid further processing of the generated image 12.
[0077] List of reference numerals 10. Mobile imaging device 12 images 14. Cut the edge 16 workpieces 18 Matrix 20 Cutting edge stop 22 Edge Distance 24 imaging units 26 Imaging concave portion 28 Optical Imaging Axis 30 handles 32 triggers 34 Cover parts 36 Align with the stop piece 38 Communication Module 40 Imaging Components 42 Imaging System 44 Evaluation Units 48 upper surface 50 Imaging methods 52 Methods and Steps 54 Methods and Steps 56 Methods and Steps 58 Methods and Steps
Claims
1. A mobile imaging device (10) for generating at least one image (12) of a cut edge (14) of a workpiece (16) in a position-independent manner, the mobile imaging device having: - A substrate (18) having a cutting edge stop (20) arranged or constructed on the substrate for placing the substrate (18) against the workpiece (16) having the cutting edge (14) to be imaged. - Imaging unit (24), the imaging unit is arranged in or on the substrate (18) and is used to image the cut edge (14); in, The cutting edge stop (20) forms a predetermined edge distance (22) with the imaging unit (24) along the optical imaging axis (28) of the imaging unit (24). In the state where the imaging device (24) is placed against the workpiece (16), the predetermined edge distance (22) makes the imaging distance between the imaging unit (24) and the cutting edge (14) constant.
2. The mobile imaging device (10) according to claim 1, further comprising a handle (30) disposed or constructed on the substrate (18), wherein, The handle (30) is configured for one-handed operation of the mobile imaging device (10).
3. The mobile imaging device (10) according to claim 2, the mobile imaging device further having a trigger (32) arranged on the handle (30) for generating the image (12) of the cutting edge (14) in a position where the imaging device (10) is placed against the workpiece (16).
4. The mobile imaging device (10) according to any one of the preceding claims, wherein, The cutting edge stop (20) is configured to be adjustable along the optical imaging axis (28).
5. The mobile imaging device (10) according to any one of the preceding claims, the mobile imaging device further comprising a cover (34) disposed or constructed on the substrate (18), wherein, The cover (34) protects the imaging unit (24) from interference caused by external light.
6. The mobile imaging device (10) according to any one of the preceding claims, wherein, The substrate (18) has an alignment stop (36) arranged or formed on the substrate, wherein, when the imaging device (10) is arranged on the workpiece (16), the alignment stop (36) aligns the optical imaging axis (28) perpendicularly with the cutting edge (14).
7. The mobile imaging device (10) according to any one of the preceding claims, the mobile imaging device further comprising a light source arranged on or in the substrate (18) for illuminating the cut edge (14) during the generation of the image (12).
8. The mobile imaging device (10) according to any one of the preceding claims, wherein, The imaging unit (24) is constructed within the substrate (18).
9. The mobile imaging device (10) according to any one of the preceding claims, wherein, The imaging unit (24) has a communication module (38) for exchanging data, particularly wirelessly.
10. An imaging system (42) for generating an image (12) of a cut edge (14) on a workpiece (16), the imaging system having a movable imaging device (10) according to any one of the preceding claims and an evaluation unit (44) for storing the image (12) generated by the imaging device (10), wherein, The mobile imaging device (10) has a communication module (38), wherein the evaluation unit (44) is connected to the imaging device (10), particularly the imaging unit (24), for exchanging data.
11. The imaging system (42) according to claim 10, further comprising a machine tool for constructing, in particular cutting, a cutting edge (14) on a workpiece (16), wherein, The evaluation unit (44) is integrated into the machine tool.
12. An imaging assembly (40) for generating an image (12) of a cut edge (14) on a workpiece (16), the imaging assembly having an imaging system (42) according to claim 10 or 11 and a workpiece (16) with the cut edge (14) to be imaged, wherein, The mobile imaging device (10) can be placed against the workpiece (16) to image the cut edge (14).
13. The imaging assembly (40) according to claim 12, wherein the imaging assembly is combined with the mobile imaging device (10) according to claim 6, wherein, The cutting edge stop (20) and the alignment stop (34) are configured to complement the contour segment of the workpiece (16).
14. An imaging method (50) for generating an image (12) of a cut edge (14) on a workpiece (16) using an imaging assembly (40) according to claim 12 or 13, the imaging method comprising the following steps: - The mobile imaging device (10) is positioned (52) on the workpiece (16) having the cut edge (14) to be imaged by placing the cut edge stop (20) of the mobile imaging device (10) against the workpiece (16). - The image (12) of the cut edge (14) is formed (54) by triggering the imaging unit (24).
15. The imaging method (50) according to claim 14, wherein the imaging method is combined with the imaging device (10) according to claim 6, wherein, The movable imaging device (10) is arranged (52) on the workpiece by placing the alignment stop (36) against the workpiece (16).
16. The imaging method (50) according to claim 14 or 15, further comprising the following method steps: - The image (12) is transmitted (56) to the evaluation unit (44) of the imaging system (42).