3D printing equipment

Abstract

The utility model discloses 3D printing equipment. The 3D printing equipment comprises a shell, a printing platform, a monitoring device and a progress bar lamp strip. A processing space is formed in the shell. The printing platform is arranged in the processing space. The monitoring device is used for monitoring printed pieces of the printing platform. The progress bar lamp strip is installed on the side, facing the monitoring device, of the printing platform, and the area of the light-emitting area of the progress bar lamp strip and the operation duration of the printing platform are in positive correlation. The device comprises a printing platform, a shell, a monitoring device and a progress bar lamp strip, the progress bar lamp strip is installed on the side, facing the monitoring device, of the printing platform, and the area of a light-emitting area of the progress bar lamp strip is in positive correlation with the operation duration of the printing platform. Thus, the progress bar lamp strip can display the progress of the printing work in real time in the printing process, the monitoring device can monitor the progress of the printing work through the progress bar lamp strip, and therefore a user can conveniently determine the progress of the printing work according to the monitoring device.

Description

Technical Field

[0001] This application relates to the field of 3D printing technology, and more specifically, to a 3D printing device. Background Technology

[0002] 3D printing equipment can print 3D parts based on printing tasks. 3D printing equipment is usually equipped with monitoring devices so that users can check the printing progress of the part being printed. Therefore, ensuring that users can easily determine the printing progress, thereby improving the user experience, is a problem that urgently needs to be solved. Utility Model Content

[0003] This application provides a 3D printing device.

[0004] The 3D printing equipment provided in this application includes a housing, a printing platform, a monitoring device, and a progress bar light strip. The housing forms a processing space. The printing platform is disposed in the processing space. The monitoring device is used to monitor the printed part on the printing platform. The progress bar light strip is installed on the side of the printing platform facing the monitoring device, and the area of ​​the light-emitting area of ​​the progress bar light strip is positively correlated with the running time of the printing platform.

[0005] In some implementations, the ratio of the luminous area of ​​the progress bar light strip to the total luminous area of ​​the progress bar light strip is positively correlated with the ratio of the running time of the printing platform to the total running time.

[0006] In some embodiments, the printing platform includes a bearing surface for supporting the printed workpiece, and the progress bar light strip is mounted on a side of the printing platform opposite to the bearing surface, facing the monitoring device.

[0007] In some embodiments, the progress bar light strip includes a light-emitting element and a housing assembly. The housing assembly is connected to the side of the printing platform facing the monitoring device. The housing assembly has a light-transmitting surface. The light-emitting element is installed inside the housing assembly and faces the light-emitting surface, so that the light emitted by the light-emitting element exits from the light-emitting surface.

[0008] In some embodiments, the housing assembly includes a housing and a light-transmitting cover, with a light-guiding cavity formed inside the housing. The light-emitting element and the cover are respectively mounted at both ends of the housing. The housing is connected to the side of the printing platform facing the monitoring device, and the light-emitting surface is located in the cover.

[0009] In some embodiments, the cover includes a body portion and a mounting portion, the outer shell includes a groove, the mounting portion is connected to the groove, and the light-emitting surface is located on the body portion.

[0010] In some embodiments, the cover forms a light-emitting cavity that is connected to the light-guiding cavity, and at least one of the inner and outer wall surfaces of the cover is a diffuse reflective surface.

[0011] In some embodiments, the outer wall surface of the cover is a transparent surface.

[0012] In some embodiments, the top of the housing is provided with a connector, and the side of the printing platform facing the monitoring device is provided with a mating part, the connector being connected to the mating part.

[0013] In some embodiments, the light-emitting element includes a plurality of first light-emitting units, and the interior of the housing is provided with reinforcing ribs, which are correspondingly disposed with the first light-emitting units and are located outside the light-emitting field of view of the first light-emitting units.

[0014] In some embodiments, the first light-emitting unit has corresponding reinforcing ribs on both sides. The thickness of the reinforcing ribs along the direction of the light-emitting element toward the cover is less than the sum of the product of the tangent of the relative angle corresponding to the first light-emitting unit and the distance between the first light-emitting unit and the reinforcing rib and the length of the first light-emitting unit extending into the light guide cavity. The relative angle is half of the supplementary angle of the light diffusion angle of the first light-emitting unit.

[0015] In some embodiments, the progress bar light strip further includes a light-diffusing element installed inside the housing, located on the side of the light-emitting element facing the cover.

[0016] In some embodiments, the 3D printing equipment further includes a motion device comprising at least two movable members mounted on the side of the printing platform away from the bearing surface and facing the monitoring device, with the progress bar light strip mounted between the two movable members.

[0017] In some embodiments, the 3D printing equipment further includes a lighting device disposed on the surface of the housing opposite the printing platform, at least a portion of which is located on the same side of the processing space as the monitoring device.

[0018] In some embodiments, the housing includes a column, and the lighting device is disposed on the surface of the column opposite to the printing platform.

[0019] In some embodiments, the housing includes a bottom plate, side plates, and a top plate, the bottom plate, the side plates, and the top plate together forming the processing space, and the lighting device is disposed on the surface of the side plate opposite to the printing platform.

[0020] In some embodiments, the lighting device includes at least two, which are symmetrically arranged with respect to the monitoring device, and / or the at least two lighting devices are symmetrically arranged with respect to the printing platform.

[0021] In some embodiments, the 3D printing equipment includes a motion device connected to the printing platform and used to drive the printing platform, and the lighting device is arranged along the direction of motion of the motion device.

[0022] In some embodiments, the motion device includes a guide rail, the lighting device is disposed along the extension direction of the guide rail, and the guide rail is located within the luminous field of view of the lighting device.

[0023] In some embodiments, the motion device includes a guide rail, the lighting device is disposed along the extension direction of the guide rail, and the projection range of the guide rail does not exceed the projection range of the lighting device in the extension direction of the guide rail.

[0024] In some embodiments, the printing platform includes a support surface for supporting printed parts; the lighting device includes a first region and a second region, the first region facing the support surface and the second region facing away from the support surface, the first region being illuminated.

[0025] In some implementations, the second region is not illuminated.

[0026] In some embodiments, the first region and the second region are divided based on the height of the bearing surface. The 3D printing equipment includes a motion device connected to the printing platform. The motion device includes a motor for driving the printing platform to move. The height of the bearing surface is determined based on the number of teeth of the motor and the direction of rotation of the motor.

[0027] In some implementations, the lighting device illuminates or flashes when the 3D printing equipment has finished printing.

[0028] In some implementations, the lighting device illuminates or flashes in the event of an malfunction in the 3D printing equipment.

[0029] In some embodiments, the lighting device includes a plurality of second light-emitting units, which are arranged in a straight line or a zigzag pattern.

[0030] In some embodiments, the monitoring device includes a viewing window located on the housing and / or an imaging component disposed in the processing space.

[0031] In some embodiments, the monitoring device includes the viewing window and the imaging component, the imaging component being located on the same side of the processing space as the viewing window.

[0032] The 3D printing equipment of this application includes a printing platform, a housing, a monitoring device, and a progress bar light strip. The progress bar light strip is installed on the side of the printing platform facing the monitoring device, and the area of ​​the light-emitting region of the progress bar light strip is positively correlated with the running time of the printing platform. Thus, the progress bar light strip can display the printing progress in real time during the printing process, and the monitoring device can monitor the printing progress through the progress bar light strip, allowing the user to easily determine the printing progress based on the monitoring device.

[0033] Additional aspects and advantages of embodiments of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of embodiments of this application. Attached Figure Description

[0034] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, wherein:

[0035] Figure 1 This is a three-dimensional structural diagram of a 3D printing device according to certain embodiments of this application;

[0036] Figure 2 yes Figure 1 A plan view of part of the structure of the 3D printing equipment shown;

[0037] Figure 3 yes Figure 1 A three-dimensional schematic diagram of part of the structure of the 3D printing equipment shown;

[0038] Figure 4 yes Figure 1 A three-dimensional schematic diagram of part of the structure of the 3D printing equipment shown;

[0039] Figure 5 yes Figure 1 An exploded view of the progress bar light strip of the 3D printing equipment shown;

[0040] Figure 6 yes Figure 5 A cross-sectional schematic diagram of the progress bar light strip shown;

[0041] Figure 7 yes Figure 5 A three-dimensional schematic diagram of the casing of the progress bar light strip shown;

[0042] Figure 8 yes Figure 1 A three-dimensional schematic diagram of part of the structure of the progress bar light strip shown;

[0043] Figure 9 yes Figure 1 The diagram shown illustrates the structure of the progress bar light strip.

[0044] Figure 10 yes Figure 1 A plan view of part of the structure of the 3D printing equipment shown.

[0045] Explanation of key component symbols:

[0046] 100. 3D printing equipment;

[0047] 10. Shell; 11. Machining space; 12. Column; 13. Base plate; 14. Side plate; 15. Top plate;

[0048] 20. Printing platform; 21. Bearing surface;

[0049] 30. Monitoring device; 31. Viewing window; 32. Imaging assembly;

[0050] 40. Progress bar light strip; 41. Light-emitting component; 411. First light-emitting unit; 42. Housing assembly; 421. Housing; 4211. Light guide cavity; 4212. Connector; 4213. Groove; 4214. Reinforcing rib; 422. Cover; 4221. Main body; 4222. Mounting part; 4223. Light emission cavity; 4224. Inner wall surface; 4225. Outer wall surface; 43. Light diffuser;

[0051] 50. Motion device; 51. Moving part; 52. Guide rail; 53. Motor;

[0052] 60. Lighting device; 61. Second light-emitting unit. Detailed Implementation

[0053] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the embodiments of this application, and should not be construed as limiting the embodiments of this application.

[0054] In the description of this application, it should be understood that the terms "thickness," "upper," "top," "bottom," "inner," "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0055] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "connection" and "linkage" should be interpreted broadly. In one example, they can be a fixed connection, a detachable connection, or an integral connection; they can be a mechanical connection, an electrical connection, or a connection that allows communication between them; they can be a direct connection or an indirect connection through an intermediate medium; they can be the internal connection of two elements or the interaction between two elements.

[0056] In embodiments of this application, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0057] Please see Figures 1 to 3 The 3D printing equipment 100 provided in this application includes a housing 10, a printing platform 20, a monitoring device 30, and a progress bar light strip 40. The housing 10 forms a processing space 11. The printing platform 20 is disposed in the processing space 11. The monitoring device 30 is used to monitor the printed parts of the printing platform 20. The progress bar light strip 40 is installed on the side of the printing platform 20 facing the monitoring device 30, and the area of ​​the light-emitting area of ​​the progress bar light strip 40 is positively correlated with the running time of the printing platform 20.

[0058] Specifically, a 3D printing device 100, also known as a three-dimensional printer, is a manufacturing device that uses a layer-by-layer deposition method to build up materials to form a three-dimensional solid. Its working principle can be simply described as follows: using special materials, through precisely controlled nozzles or other methods, the materials are deposited layer by layer according to preset three-dimensional model data, ultimately constructing a three-dimensional solid prototype of the object.

[0059] The 3D printing equipment 100 includes a housing 10, a tool head, a printing platform 20, a motion device 50, a monitoring device 30, and a progress bar light strip 40.

[0060] The housing 10 is a structure with a cavity (i.e., processing space 11) to accommodate other components. Other structures of the 3D printing equipment 100 (such as the printing platform 20) can be housed within the processing space 11. The housing 10 protects these other structures from easy damage by external forces and ensures they are not easily disturbed by external factors during operation, thus improving printing quality. The specific structure of the housing 10 is not limited; it can be a frame-type housing 10 or a complete box-type housing 10. A frame-type housing 10 is mainly composed of a frame of beams, columns, and other components, with an internal grid structure. This structural form allows the housing 10 to maintain a certain strength and rigidity while possessing a lighter weight and higher flexibility. The frame-type housing 10 typically connects its components together using welding, bolting, or riveting to form a unified structure. A box-type housing 10, on the other hand, has a relatively closed structure, typically composed of multiple walls forming a complete enclosed space. This structural form gives the housing 10 superior performance in accommodating and protecting internal components. The box-type shell 10 is usually manufactured by casting, welding or stamping, and has high strength and rigidity.

[0061] The tool head is used to output printing material based on the target image to generate the print.

[0062] The printing platform 20 is a supporting component of the 3D printing equipment 100. It provides a stable, robust, and level platform for the printed parts produced by the tool head to adhere stably. The printing platform 20 may include a heated bed, and may further include at least one of a printing panel located on the heated bed and a heated bed support for supporting the heated bed. The heated bed support can either elastically or permanently support the heated bed. The printing platform 20 generally has a heating function to improve material adhesion and prevent deformation. A motion device 50 is connected to the printing platform 20 and can move the printing platform 20. For example, the motion device 50 includes a motor 53 and a lead screw with a slider mounted on it. The printing platform 20 is connected to the slider, and the motor 53 is connected to the lead screw and can drive the lead screw to rotate. The motor 53 can drive the lead screw to rotate, causing the slider to move vertically, thereby raising or lowering the printing platform 20. The number of lead screws can be one, two, three, or more; regarding the number of drive motors, one drive motor can drive one lead screw to rotate, or one drive motor can drive multiple lead screws to rotate via a synchronous belt.

[0063] The monitoring device 30 is a device that allows users to monitor the printed parts on the printing platform 20. For example, the monitoring device 30 is a light-transmitting viewing window 31 provided on the housing 10, through which users can observe the printing status of the printed parts.

[0064] The progress bar light strip 40 is used to display the progress of the printing process. The progress bar light strip 40 is installed on the side of the printing platform 20 facing the monitoring device 30, that is, the monitoring device 30 and the progress bar light strip 40 are installed on the same side of the processing space 11, so that the light-emitting area of ​​the progress bar light strip 40 faces the monitoring device 30. The monitoring device 30 can monitor the progress bar light strip 40, so that the user can easily determine the light-emitting area of ​​the progress bar light strip 40 through the monitoring device 30 to understand the progress of the printing process.

[0065] The progress bar light strip 40 has multiple LED beads, each of which can be controlled independently. The number of LED beads can be one, thirty, or fifty, and there is no limitation on this. The light emitted by the LED beads can be white, yellow, or green, and there is no limitation on this either.

[0066] The area of ​​the luminous region of the progress bar light strip 40 is positively correlated with the running time of the printing platform 20; that is, the longer the running time, the larger the area of ​​the luminous region. The 3D printing equipment 100 may include a control module, which is configured to acquire the current running time and the total printing time of the 3D printing equipment 100 in real time. The control module can calculate the ratio of the current running time to the total printing time and generate a drive signal that matches the time ratio, so that the ratio of the luminous area of ​​the progress bar light strip 40 to its total luminous area is positively correlated with the time ratio in real time. In other words, the ratio of the luminous area of ​​the progress bar light strip 40 to the total luminous area of ​​the progress bar light strip 40 is positively correlated with the ratio of the running time of the printing platform 20 to the total running time.

[0067] In one embodiment, the duration ratio can be determined based on the current running time of the printing platform 20 and the total printing time, and then the area of ​​the light-emitting region can be determined based on the duration ratio, wherein the area of ​​the light-emitting region as a percentage of the total light-emitting area of ​​the lighting device 60 is the same as the duration ratio. In another embodiment, the duration ratio can be determined based on the current running time of the printing platform 20 and the total printing time, and then the number of light-emitting LEDs can be determined based on the product of the duration ratio and the total number of LEDs.

[0068] In this way, users can determine the progress of the printing work based on the illuminated area of ​​the progress bar light strip 40, thereby improving the user experience.

[0069] The 3D printing equipment 100 of this embodiment includes a printing platform 20, a housing 10, a monitoring device 30, and a progress bar light strip 40. The progress bar light strip 40 is installed on the side of the printing platform 20 facing the monitoring device 30, and the area of ​​the light-emitting region of the progress bar light strip 40 is positively correlated with the operating time of the printing platform 20. Thus, the progress bar light strip 40 can display the printing progress in real time during the printing process, and the monitoring device 30 can monitor the printing progress through the progress bar light strip 40, thereby facilitating the user to determine the printing progress based on the monitoring device 30.

[0070] Please see Figure 2 and Figure 3 In some embodiments, the printing platform 20 includes a bearing surface 21 for carrying the printed parts, and a progress bar light strip 40 is installed on the side of the printing platform 20 facing away from the bearing surface 21 and toward the monitoring device 30.

[0071] Specifically, along the height of the processing space 11, the printing platform 20 includes two opposing sides. The side facing the tool head is the bearing surface 21 that carries the printed part. The progress bar light strip 40 is installed on the side of the printing platform 20 away from the bearing surface 21, and the progress bar light strip 40 is installed on the side of this surface facing the monitoring device 30. Thus, the progress bar light strip 40 is located outside the bearing surface 21, ensuring that the progress bar light strip 40 is installed without affecting the lighting and shadow of the printed part. At the same time, installing the progress bar light strip 40 on the side of the printed part away from the bearing surface 21 creates a certain distance between the progress bar light strip 40 and the bearing surface 21, thereby reducing the impact of the light emitted by the progress bar light strip 40 on the lighting and shadow of the printed part on the bearing surface 21, and reducing the impact of the light emitted by the progress bar light strip 40 on the monitoring device 30, thus ensuring a better display effect of the printed part observed from the monitoring device 30.

[0072] Please see Figure 2 and Figure 3 In some embodiments, the 3D printing equipment 100 further includes a motion device 50, which includes at least two movable members 51 mounted on the side of the printing platform 20 away from the bearing surface 21 and facing the monitoring device 30, with a progress bar light strip 40 mounted between the two movable members 51.

[0073] Specifically, the 3D printing equipment 100 includes a motion device 50 for moving the printing platform 20 to facilitate printing. The motion device 50 includes at least two movable members 51 mounted on the side of the printing platform 20 facing away from the bearing surface 21 and towards the monitoring device 30. The movable members 51 support and move the printing platform 20. For example, the movable member 51 may be a slider. The motion device 50 also includes a lead screw and a motor 53. The slider and lead screw are connected, and the motor 53 can drive the slider to move via the lead screw, thereby moving the printing platform 20.

[0074] At this time, the progress bar light strip 40 is installed between the two moving parts 51. It can be understood that in the direction from one moving part 51 to the other moving part 51, the maximum length of the progress bar light strip 40 is the length of the side of the printing platform 20 connected to the progress bar light strip 40 minus the length of the groove where the slider coincides with the printing platform 20.

[0075] In this way, the progress bar light strip 40 can be set without affecting the movement of the motion device 50, thereby ensuring that the printing work can be performed normally and that the progress bar light strip 40 can display the progress of the printing work.

[0076] Please see Figure 1 , Figure 3 and Figure 5In some embodiments, the progress bar light strip 40 includes a light-emitting element 41 and a housing assembly 42. The housing assembly 42 is connected to the side of the printing platform 20 facing the monitoring device 30. The housing assembly 42 has a light-transmitting surface. The light-emitting element 41 is installed inside the housing assembly 42 and faces the light-emitting surface, so that the light emitted by the light-emitting element 41 is emitted from the light-emitting surface.

[0077] Specifically, the progress bar light strip 40 may include a light-emitting element 41 and a housing assembly 42. The light-emitting element 41 is a component that emits light when powered on. The housing assembly 42 has an internal mounting cavity, and the light-emitting element 41 is installed in the mounting cavity inside the housing assembly 42 to protect the light-emitting element 41. Simultaneously, the housing assembly 42 is connected to the side of the printing platform 20 facing the monitoring device 30. For example, the top of the housing assembly 42 can be connected to the side of the printing platform 20 facing the monitoring device 30 to achieve the connection between the progress bar light strip 40 and the printing platform 20. The connection method can be a detachable connection or a non-detachable connection. Detachable connection methods include threaded connections, snap-fit ​​connections, and hinge connections, while non-detachable connection methods include folded connections, riveted connections, adhesive connections, and welded connections.

[0078] The housing assembly 42 has a light-emitting surface that is transparent to light. The light-emitting element 41 is installed inside the housing assembly 42 and faces the light-emitting surface, so that the light-emitting surface corresponds to the light-emitting surface of the light-emitting element 41. For example, the light-emitting surface is installed on the side of the housing assembly 42 that is away from the light-emitting element 41, so as to ensure that the light emitted by the light-emitting element 41 can be emitted from the light-emitting surface.

[0079] In this way, while ensuring that the light-emitting element 41 is protected, the light emitted by the light-emitting element 41 can be emitted to the outside of the housing assembly 42, and the light-emitting element 41 can be stably connected to the printing platform 20.

[0080] Please see Figure 5 and Figure 6 In some embodiments, the housing assembly 42 includes a housing 421 and a cover 422. A light guide cavity 4211 is formed inside the housing 421. The light-emitting element 41 and the cover 422 are respectively installed at both ends of the housing 421. The housing 421 is connected to the side of the printing platform 20 facing the monitoring device 30, and the light-emitting surface is located on the side of the cover 422 away from the housing 421.

[0081] Specifically, the housing assembly 42 may include a housing 421 and a cover 422. The housing 421 has a hollow structure and forms a light guide cavity 4211. The housing 421 is connected to the side of the printing platform 20 facing the monitoring device 30. For example, a connector 4212 is provided on the top of the housing 421, and a mating part is provided on the side of the printing platform 20 facing the monitoring device 30. The connector 4212 is connected to the mating part to realize the connection between the printing platform 20 and the housing 421. The connection method between the connector 4212 and the mating part can be snap-fit, magnetic, or adhesive.

[0082] The light-emitting element 41 and the cover 422 are respectively installed at both ends of the outer shell 421. The connection method can be a detachable connection method or a non-detachable connection method. The detachable connection method includes threaded connection, snap-fit ​​connection and hinge connection, while the non-detachable connection method includes folded connection, riveting connection, adhesive connection and welding connection, etc.

[0083] The cover 422 is a light-transmitting component, which can be understood as the light-emitting surface being located on the cover 422. At least one of the multiple surfaces of the cover 422 is a light-emitting surface, so as to seal the end of the light guide cavity 4211 away from the light-emitting component 41 on the one hand, and ensure that the light emitted by the light-emitting component 41 can be emitted from the cover 422 on the other hand.

[0084] In this way, the housing 422 can be used to ensure that the light emitted by the light-emitting element 41 can be emitted to the outside of the housing assembly 42, while the housing 421 can be used to assemble the housing assembly 42 and connect the housing assembly 42 to the printing platform 20.

[0085] In some other embodiments, the housing assembly 42 may consist only of the housing 421, and the housing 421 includes two opposing ends, the first end of which is provided with a light-emitting surface that is transparent to light, and the other end is connected to the light-emitting element 41. In this way, the housing 421 can also be used to protect the light-emitting element 41.

[0086] Please see Figure 5 and Figure 6 In some embodiments, the cover 422 includes a body portion 4221 and a mounting portion 4222. The outer shell 421 includes a groove 4213, and the mounting portion 4222 is connected to the groove 4213. The light-emitting surface is located on the body portion 4221. The groove 4213 is disposed at one end of the outer shell 421 facing the cover 422, and the size and shape of the groove 4213 match those of the mounting portion 4222, so that the groove 4213 and the mounting portion 4222 can be stably connected. At least a portion of the body portion 4221 is a light-transmitting area to form the light-emitting surface. In this way, it can be ensured that the cover 422 can be stably connected to the outer shell 421 by means of the mounting portion 4222, while ensuring that the light emitted by the light-emitting element 41 can exit the cover 422.

[0087] Correspondingly, in some embodiments, the other end of the housing 421 may also be provided with a recess, in which the light-emitting element 41 can be embedded to ensure that the light emitted by the light-emitting element 41 is located inside the light guide cavity 4211, thereby ensuring that the light emitted by the light-emitting element 41 will eventually enter the cover 422. Alternatively, the other end of the housing 421 may be press-fitted with the light-emitting element 41 to ensure that the light-emitting element 41 can be stably installed inside the housing 421.

[0088] Please see Figure 5 and Figure 6 In some embodiments, the cover 422 forms a light-emitting cavity 4223, which is connected to the light-guiding cavity 4211, and at least one of the inner wall surface 4224 and the outer wall surface 4225 of the cover 422 is a diffuse reflection surface.

[0089] Specifically, the cover 422 includes a top wall and multiple side walls, which are connected to each other to form a side wall assembly. One end of the side wall assembly is connected to the top wall to form a light emission cavity 4223. The other end of the side wall assembly is connected to the mounting portion 4222 to realize the connection between the cover 422 and the mounting portion 4222.

[0090] The inner wall surface 4224 is the wall surface of the cover 422 facing the light emission cavity 4223, and the outer wall surface 4225 is the wall surface of the cover 422 away from the light emission cavity 4223. In some embodiments, the cover 422 includes a body portion 4221, in which case the body portion 4221 forms the light emission cavity 4223, and the inner wall surface 4224 and outer wall surface 4225 of the cover 422 actually refer to the inner wall surface and outer wall surface of the body portion 4221.

[0091] At least one of the inner wall surface 4224 and the outer wall surface 4225 of the cover 422 is a diffuse reflective surface. Specifically, only the inner wall surface 4224 of the cover 422 may be a diffuse reflective surface, only the outer wall surface 4225 of the cover 422 may be a diffuse reflective surface, or both the inner wall surface 4224 and the outer wall surface 4225 of the cover 422 may be diffuse reflective surfaces. A diffuse reflective surface refers to a surface where, when parallel incident light rays encounter it, the reflected light rays no longer remain parallel but scatter in all directions. Diffuse reflection can be achieved on any rough or irregular plane, such as paper, rough walls, most fabrics such as cotton and linen, and unpolished metal or stone surfaces. Preferably, the wall surface of the cover 422 that is a diffuse reflective surface is a frosted surface.

[0092] When the light emitted by the light-emitting element 41 shines on the diffuse reflective surface, the light is scattered in various directions due to the uneven texture of the surface. This scattering effect makes the light more evenly distributed in space, reducing the phenomenon of light concentration. Therefore, the diffuse reflective surface reduces the light intensity, making the edges of the light blurry, thereby improving the aesthetic effect of the progress bar light strip 40. At the same time, the reduced light intensity also ensures that the light emitted by the progress bar light strip 40 is not too strong, and the light will not affect the light and shadow of the printed material, thus ensuring the presentation effect of the printed material.

[0093] Thus, the light intensity can be reduced by providing diffuse reflective surfaces in the inner wall surface 4224 and outer wall surface 4225 of the cover 422, ensuring that the emitted light does not affect the light and shadow effects of the printed parts. At the same time, the diffuse reflective surfaces can also be used to prevent users from seeing the internal structure of the outer shell 421 through the cover 422, thereby improving the aesthetics of the progress bar light strip 40.

[0094] Please see Figure 5 and Figure 6 In some embodiments, the outer wall surface 4225 of the cover 422 is a transparent surface.

[0095] Specifically, the outer wall surface 4225 of the cover 422 that forms the light-emitting cavity 4223 is a transparent surface, that is, the outer surfaces of the top wall and side wall of the cover 422 are both transparent surfaces, to ensure that light can be smoothly emitted from the cover 422 to the outside of the progress bar light strip 40. The inner wall surface 4224 of the cover 422 is a diffuse reflection surface, that is, the inner surfaces of the top wall and side wall of the cover 422 are both diffuse reflection surfaces.

[0096] The light emitted by the light-emitting element 41 passes sequentially through the light guide cavity 4211 and the light emission cavity 4223, and then sequentially through the inner wall surface 4224 and the outer wall surface 4225 of the cover 422. When the light passes through the inner wall surface 4224 of the cover 422, the uniformity of the light increases and the light intensity decreases. The light emitted from the inner wall surface 4224 of the cover 422 enters the outer wall surface 4225 of the cover 422. Since the outer wall surface 4225 of the cover 422 is transparent, the light can directly pass through the outer wall surface 4225 of the cover 422 and exit.

[0097] Thus, the inner wall surface 4224 of the cover 422 is a diffuse reflective surface, while the outer wall surface 4225 is a transparent surface. This ensures that light can pass through smoothly while reducing the light intensity, so that the emitted light does not affect the light and shadow effects of the printed parts. At the same time, the diffuse reflective nature of the inner wall surface 4224 of the cover 422 can also prevent the user from seeing the internal structure of the outer shell 421 through the cover 422, thereby improving the aesthetics of the progress bar light strip 40.

[0098] Please see Figures 5 to 8In some embodiments, the light-emitting element 41 includes a plurality of first light-emitting units 411, and the interior of the outer shell 421 is provided with reinforcing ribs 4214, which are correspondingly arranged with the first light-emitting units 411, and the reinforcing ribs 4214 are located outside the light-emitting field of view of the first light-emitting units 411.

[0099] Specifically, a reinforcing rib 4214 may be provided inside the outer casing 421. The reinforcing rib 4214 can be used to strengthen the strength of the outer casing 421, ensuring that the outer casing 421 will not deform, thereby facilitating the maintenance of the stability and shape integrity of the outer casing 421 and extending the service life of the progress bar light strip 40.

[0100] The outer casing 421 typically has multiple reinforcing ribs 4214 located at multiple positions to enhance its strength. The first light-emitting unit 411 has a certain thickness, and after the light-emitting element 41 is connected to the outer casing 421, the first light-emitting unit 411 extends into the light guide cavity 4211. Therefore, the reinforcing ribs 4214 need to be correspondingly positioned to the first light-emitting units 411. Each first light-emitting unit 411 has a corresponding reinforcing rib 4214 nearby, and the reinforcing ribs 4214 are located outside the light-emitting field of view of the first light-emitting unit 411. The light-emitting field of view refers to the maximum range that the light beam emitted by the first light-emitting unit 411 can cover, thus ensuring that the light emitted by the first light-emitting unit 411 is not blocked by the reinforcing ribs 4214, thereby ensuring the lighting effect of the progress bar light strip 40.

[0101] Please see Figures 5 to 8 In some embodiments, the first light-emitting unit 411 is provided with corresponding reinforcing ribs 4214 on both sides. The thickness of the reinforcing ribs 4214 along the direction of the light-emitting element 41 toward the cover 422 is less than the sum of the tangent of the relative angle corresponding to the first light-emitting unit 411, the product of the distance between the first light-emitting unit 411 and the reinforcing rib 4214, and the length of the first light-emitting unit 411 extending into the light guide cavity 4211. The relative angle is half of the supplementary angle of the light diffusion angle of the first light-emitting unit 411.

[0102] Specifically, the light diffusion angle of the first light-emitting unit 411 is fixed at the factory and can be determined according to the specifications. The distance between the first light-emitting unit 411 and the reinforcing rib 4214, as well as the thickness of the reinforcing rib 4214 along the direction from the light-emitting element 41 toward the cover 422, can be determined based on the light diffusion angle of the first light-emitting unit 411. The distance between the first light-emitting unit 411 and the reinforcing rib 4214 is the distance between the center point of the first light-emitting unit 411 and the edge of the reinforcing rib 4214 closest to the first light-emitting unit 411.

[0103] Please combine Figure 9The half of the supplementary angle of the light diffusion angle α is defined as the relative angle β / 2. The product of the tangent of the relative angle and the distance between the first light-emitting unit 411 and the reinforcing rib 4214 is the closest distance d that the light emitted by the first light-emitting unit 411 can reach from the reinforcing rib 4214 in the plane containing the thickness direction of the reinforcing rib 4214. Therefore, as long as the thickness h2 of the reinforcing rib 4214 is less than the sum of this product and the length h1 of the first light-emitting unit 411 extending into the light guide cavity 4211, i.e., h2

[0104] In this way, the thickness of the reinforcing rib 4214 can be specifically set by adjusting the light diffusion angle to ensure that the light emitted by the first light-emitting unit 411 is not blocked by the reinforcing rib 4214, thereby ensuring the lighting effect of the progress bar light strip 40.

[0105] Please see Figure 5 and Figure 6 In some embodiments, the progress bar light strip 40 also includes a light diffuser 43, which is installed inside the housing 421 and is located on the side of the light-emitting element 41 facing the cover 422.

[0106] Specifically, the main function of the light diffuser 43 is to reduce light speckle and improve light uniformity. Therefore, the light diffuser 43 can also be installed inside the housing 421. The light diffuser 43 is located on the side of the light-emitting element 41 facing the cover 422, and the light diffuser 43 is arranged opposite to the light-emitting element 41. For example, the light diffuser 43 is arranged according to the shape of the housing 10, and the cross-sectional area of ​​the light diffuser 43 is the same as the cross-sectional area of ​​the light guide cavity 4211. This ensures that the light emitted by the light-emitting element 41 must pass through the light diffuser 43 after entering the light guide cavity 4211 before entering the cover 422, thereby improving the uniformity of the light emitted from the cover 422 and thus improving the light emission effect of the progress bar light strip 40.

[0107] Please see Figure 2 In some embodiments, the 3D printing equipment 100 further includes a lighting device 60 disposed on the surface of the housing 10 opposite to the printing platform 20, and at least a portion of the lighting device 60 is located on the same side of the processing space 11 as the monitoring device 30.

[0108] ​Specifically, the lighting device 60 includes multiple second light-emitting units 61, which are typically made of semiconductor materials such as silicon and gallium arsenide. Each second light-emitting unit 61 emits light when powered on. The color of the light emitted by the second light-emitting unit 61 is not limited; for example, it can be white light or yellow light. The number of second light-emitting units 61 can also be determined according to actual needs, for example, ten, twenty, or thirty-five. Each second light-emitting unit 61 can communicate independently, and the lighting device 60 can control the light emission of each second light-emitting unit 61 individually; the operation of each second light-emitting unit 61 does not affect the others.

[0109] The lighting device 60 is disposed on the surface of the housing 10 opposite to the printing platform 20. This can also be understood as the lighting device 60 being disposed on the surface of the housing 10 facing the printing platform 20, so that the lighting device 60 can provide supplementary lighting to the printing platform 20, resulting in better display of the printed parts on the printing platform 20 and facilitating heat dissipation for the lighting device 60. Simultaneously, at least a portion of the lighting device 60 and the monitoring device 30 are located on the same side of the processing space 11, meaning at least a portion of the lighting device 60 and the monitoring device 30 are on the same side relative to the center point of the processing space 11. For example, the housing 10 includes multiple side plates 14, and both the lighting device 60 and the monitoring device 30 are disposed close to one of these side plates 14. Therefore, the lighting device 60 can provide supplementary lighting to the area of ​​the printed part observable by the monitoring device 30, reducing the visual appearance of layer textures in the printed part, thereby improving the display effect of the printed part and enhancing the user experience.

[0110] Furthermore, the operating voltage of the second light-emitting unit 61 is generally 12V or less. If the input voltage of the lighting device 60 is greater than the operating voltage, an additional voltage divider resistor needs to be installed on the lighting device 60 to ensure that the voltage input to the second light-emitting unit 61 matches its operating voltage. The voltage divider resistor generates heat during voltage division, causing the lighting device 60 to overheat, which is detrimental to the stability of the lighting device 60's lifespan. Meanwhile, the DC power supply voltage of the 3D printing equipment 100 is typically greater than 12V (default 24V). Therefore, the 3D printing equipment 100 can also be equipped with a buck step-down converter (BUCK). The buck-type switching power supply converter can be a DC-to-DC converter. The buck-type switching power supply converter is set between the lighting device 60 and the DC power supply port. The buck-type switching power supply converter is used to reduce the voltage output from the DC power supply port, for example, reducing the voltage from 24V to 12V, and inputting the reduced voltage into the lighting device 60. This eliminates the need for additional voltage divider resistors in the lighting device 60, reduces the heat generated by the lighting device 60, and avoids the power limitation of the lighting device 60 in high-temperature scenarios. This helps to improve the stability of the lifespan of the lighting device 60, while also ensuring that the lighting device 60 operates in a low-power mode and meets the requirements of the high pixel value of the lighting device 60.

[0111] Thus, the lighting device 60 is disposed on the surface of the housing 10 opposite to the printing platform 20, and at least a portion of the lighting device 60 is located on the same side of the processing space 11 as the monitoring device 30. In this way, the lighting device 60 can provide lateral supplementary lighting to the printed parts during printing. Simultaneously, the fact that at least a portion of the lighting device 60 is located on the same side of the processing space 11 as the monitoring device 30 allows for better supplementary lighting to the portion of the printed parts on the printing platform 20 that can be monitored by the monitoring device 30, reducing shadows on the printed parts and weakening the visual texture of layers, thereby improving the display effect of the printed parts and significantly enhancing the user's viewing experience.

[0112] Furthermore, the operation of the lighting device 60 and the progress bar light strip 40 does not interfere with each other. Therefore, in some embodiments, the 3D printing equipment 100 may only have the lighting device 60 and not the progress bar light strip 40.

[0113] Please see Figure 1 and Figure 2 In some embodiments, the monitoring device 30 includes a viewing window 31 located on the housing 10, and / or the monitoring device 30 includes an imaging component 32 disposed in the processing space 11.

[0114] In one embodiment, the monitoring device 30 includes a viewing window 31 located on the housing 10.

[0115] Specifically, the monitoring device 30 may include a viewing window 31 located on the housing 10. The housing 10 includes at least one light-transmitting viewing window 31, for example, multiple viewing windows 31 at different positions are provided on one side plate 14 of the housing 10, or the entire side plate 14 is made of light-transmitting material, so that the entire side plate 14 is a viewing window 31. The viewing window 31 may be provided on one or more side plates 14 of the housing 10, for example, the viewing window 31 may be provided on one or three side plates 14.

[0116] In this way, the user can observe the printing process of the printed document through the viewing window 31. Furthermore, since at least a portion of the lighting device 60 is located on the same side of the processing space 11 as the viewing window 31, the visual effect of the fill light layer texture in the areas of the printed document that the user can directly see is reduced, thereby improving the user's viewing experience.

[0117] In another embodiment, the monitoring device 30 includes an imaging component 32 disposed in the processing space 11.

[0118] Specifically, the monitoring device 30 includes an imaging component 32, which is disposed in the processing space 11 and is used to photograph the printed part. For example, the 3D printing equipment 100 may also provide a time-lapse photography function. In this case, the 3D printing equipment 100 includes the imaging component 32, which takes a snapshot of the printed part after each layer is printed. After printing is completed, all the snapshots are combined into a time-lapse video, which the user can later use to watch the entire printing process.

[0119] In this way, the user can observe the printing process of the printed parts through the video of the imaging component 32. Furthermore, since at least a portion of the lighting device 60 is located on the same side of the processing space 11 as the imaging component 32, the visual texture of the supplementary lighting layer on the printed parts is reduced during time-lapse photography, thereby improving the user's viewing experience when watching the time-lapse video.

[0120] Of course, the monitoring device 30 may also include an imaging component 32 and a viewing window 31. In yet another embodiment, the monitoring device 30 includes an imaging component 32 and a viewing window 31, which are located on the same side of the processing space 11. The imaging component 32 is typically located near the viewing window 31 so that the perspective of the time-lapse video is close to the perspective of the user actually viewing through the viewing window 31, thereby improving the user experience.

[0121] Please see Figure 2 and Figure 4 In some embodiments, the housing 10 includes a column 12, and an illumination device 60 is disposed on the surface of the column 12 opposite to the printing platform 20.

[0122] Specifically, the columns 12 are arranged around the printing platform 20, for example... Figure 4 In this design, the printing platform 20 is rectangular, and four columns 12 are positioned opposite each other at the four corners of the printing platform 20. The columns 12 serve as mounting bases for the lighting device 60, which can be mounted on one or more columns 12, for example, one, two, or all four columns. The lighting device 60 can be installed on the surface of the columns 12 opposite to the printing platform 20, providing supplemental lighting to the printing platform 20, resulting in better display of printed materials and facilitating heat dissipation for the lighting device 60.

[0123] It should be noted that the column 12 can be part of the basic support frame of the 3D printing equipment 100. The side plates 14 and top plate 15 need to be installed in the column 12. It can be understood that the column 12 is an indispensable structure of the 3D printing equipment 100 itself. In this case, the lighting device 60 can be directly installed in the column 12 without the need to set up an additional column 12, thereby improving the utilization of space in the 3D printing equipment 100 and reducing the cost of the 3D printing equipment 100. The column 12 may also not be part of the basic support frame and be a separate structure, such as a pillar set separately around the printing platform 20. In this case, the column 12 is only used to install the lighting device 60. In this way, the distance between the column 12 and the printing platform 20 can be set as needed to ensure that the lighting device 60 installed on the column 12 provides sufficient supplementary lighting for the printed parts.

[0124] Please see Figure 1 and Figure 2 In some embodiments, the housing 10 includes a bottom plate 13, a side plate 14 and a top plate 15, which together form a processing space 11. The lighting device 60 is disposed on the surface of the side plate 14 opposite to the printing platform 20.

[0125] Specifically, the housing 10 includes a bottom plate 13, a top plate 15, and multiple side plates 14. The side plates 14 are connected in pairs, with the top of each side plate 14 connected to the top plate 15 and the bottom of each side plate 14 connected to the bottom plate 13, to form a processing space 11. A lighting device 60 can be installed on the surface of the side plate 14 opposite to the printing platform 20, so that the lighting device 60 can provide supplementary lighting to the printing platform 20, resulting in better display of the printed parts on the printing platform 20 and facilitating heat dissipation of the lighting device 60.

[0126] In some embodiments, the housing 10 may simultaneously include columns 12, a base plate 13, side plates 14, and a top plate 15. Multiple columns 12 are disposed on the base plate 13, and a crossbeam may be provided between the tops of the multiple columns 12. The multiple columns 12 and the base plate 13 together constitute the basic support frame of the 3D printing equipment 100. The side plates 14 and the top plate 15 are both installed in the basic support frame. The side plates 14 are disposed between two adjacent columns 12, and the top plate 15 is installed on top of the columns 12 to form the housing 10. The base plate 13, side plates 14, and top plate 15 together enclose a processing space 11, within which structures such as the tool head and printing platform 20 may be located.

[0127] For example, the printing platform 20 is rectangular, and there are four columns 12, which are respectively positioned at the four corners of the printing platform 20. A crossbeam is provided between the tops of the four columns 12. The four columns 12 and the base plate 13 together form a space that is rectangular or cubic. There are four side plates 14, which are respectively positioned between two adjacent columns 12. The top plate 15 is installed on the top of the columns 12. In this way, the overall shape of the 3D printing equipment 100 is rectangular or cubic, which is beneficial for the placement and transportation of the 3D printing equipment 100. At the same time, it can also ensure that the base plate 13, top plate 15 and side plates 14 can effectively protect the various components within the processing space 11.

[0128] When the housing 10 includes a column 12, a base plate 13, a side plate 14, and a top plate 15, the lighting device 60 can be disposed on the surface of the column 12 relative to the printing platform 20, or on the surface of the side plate 14 relative to the printing platform 20, or simultaneously on the surface of the column 12 relative to the printing platform 20 and on the surface of the side plate 14 relative to the printing platform 20, to ensure that the printed parts can obtain better supplementary lighting effect.

[0129] Please see Figure 1 and Figure 2 In some embodiments, the lighting devices 60 include at least two, such as two, four, or five. At least two lighting devices 60 are symmetrically arranged about the monitoring device 30. For example, there are two lighting devices 60, located on the left and right sides of the monitoring device 30 respectively, and the two lighting devices 60 are mirror-symmetrical with respect to the central axis of the monitoring device 30. This ensures that the area of ​​the printed material within the field of view of the monitoring device 30 receives multiple and symmetrical supplemental lights, effectively reducing the visual texture of the printed material and thus improving the display effect and user experience.

[0130] Please see Figure 1 and Figure 2In some embodiments, the lighting devices 60 include at least two, such as two, four, or five. At least two lighting devices 60 are symmetrically arranged about the printing platform 20; for example, if the printing platform 20 is rectangular, there are four lighting devices 60. The four lighting devices 60 are located near the four sides of the printing platform 20, and the two opposite lighting devices 60 are mirror-symmetrical with respect to the central axis of the monitoring device 30. This ensures that the printed material receives multiple and symmetrical supplemental lights, effectively reducing the visual texture of the printed material and improving the display effect and user experience.

[0131] Please see Figure 2 In some embodiments, the 3D printing equipment 100 includes a motion device 50, which is connected to the printing platform 20 and is used to drive the printing platform 20. The lighting device 60 is arranged along the motion direction of the motion device 50.

[0132] Specifically, the motion device 50 can drive the printing platform 20 to move along the motion direction of the motion device 50. For example, the motion direction of the motion device 50 includes the vertical direction, in which case the motion device 50 can drive the printing platform 20 to rise and fall. The lighting device 60 can be arranged along the motion direction of the motion device 50. For example, when the motion direction is vertical, the multiple second light-emitting units 61 on the lighting device 60 are also arranged along the vertical direction, so that as the printing platform 20 moves along the motion direction of the motion device 50, the lighting device 60 can always provide supplementary lighting for the printed parts in the printing platform 20, thereby improving the display effect of the printed parts.

[0133] Please see Figure 2 In some embodiments, the motion device 50 includes a guide rail 52, the lighting device 60 is disposed along the extension direction of the guide rail 52, and the guide rail 52 is located within the light-emitting field of view of the lighting device 60.

[0134] Specifically, the motion device 50 moves along the extension direction of the guide rail 52, which can be understood as the aforementioned lead screw. Therefore, the extension direction of the guide rail 52 is the direction of motion of the motion device 50, and thus the lighting device 60 is arranged along the extension direction of the guide rail 52.

[0135] The luminous field of view of each second light-emitting unit 61 can be predetermined. The luminous field of view refers to the maximum range that the light beam emitted by the second light-emitting unit 61 can cover. Then, the luminous field of view of the lighting device 60 is determined based on the luminous field of view of each second light-emitting unit 61. It can be understood that the luminous field of view of the lighting device 60 is the range that the light beam emitted by the lighting device 60 can illuminate. At the same time, the length of the luminous field of view of the lighting device 60 on the guide rail 52 in the height direction is greater than or equal to the length of the guide rail 52 in the height direction, so that all areas of the guide rail 52 are within the luminous field of view of the lighting device 60.

[0136] The guide rail 52 is located within the light-emitting field of view of the lighting device 60, meaning that the entire area of ​​the guide rail 52 is within the light-emitting field of view of the lighting device 60. This ensures that regardless of the position of the moving device 50, the lighting device 60 can provide supplementary lighting to the printed materials. This guarantees that the entire printing platform 20 is illuminated by the light beam emitted by the lighting device 60 during the printing process, thus ensuring that the printed materials on the printing platform 20 always receive optimal supplementary lighting, which is beneficial for improving the display effect of the printed materials.

[0137] Alternatively, the tool head may only print on the side of the printing platform 20 facing the tool head, which is the bearing surface 21 of the printing platform 20, and the printed part is located on the bearing surface 21. In this case, it is only necessary to ensure that the bearing surface 21 is within the light-emitting field of view of the lighting device 60. The motion device 50 can drive the bearing surface 21 of the printing platform 20 to rise and fall within the light-emitting field of view of the lighting device 60, so as to ensure that the bearing surface 21 can be illuminated by the light beam emitted by the lighting device 60 during the rising and falling of the printing platform 20, thereby ensuring that the printed part on the printing platform 20 can always receive a better supplementary lighting effect, which is conducive to improving the display effect of the printed part.

[0138] Please see Figure 2 and Figure 4 In some embodiments, the motion device 50 includes a guide rail 52, and the lighting device 60 is arranged along the extension direction of the guide rail 52, and the projection range of the guide rail 52 does not exceed the projection range of the lighting device 60 in the extension direction of the guide rail 52.

[0139] Specifically, the projection range of the lighting device 60 in the extension direction of the guide rail 52 can be determined based on the mounting area of ​​the lighting device 60 on the housing 10. This can be understood as the projection range of the lighting device 60 being the area that the lighting device 60 can absolutely illuminate. Simultaneously, after projecting the guide rail 52 and the lighting device 60 onto the same area, in the extension direction of the guide rail 52, the projection range of the guide rail 52 does not exceed the projection range of the lighting device 60. The actual projection range of the guide rail 52 corresponds to the size and position of the mounting area of ​​the guide rail 52. Please refer to... Figure 10The area between the two dotted lines represents the projection range of the lighting device 60 onto the guide rail 52 in the extending direction of the guide rail 52. The projection range of the guide rail 52 in the extending direction does not exceed the projection range of the lighting device 60, meaning the guide rail 52 is installed within the area between the two dotted lines. This ensures that all areas of the guide rail 52 are illuminated by the lighting device 60, allowing the lighting device 60 to illuminate the printed parts on the printing platform 20 whenever the printing platform 20 is moved to any position. This ensures that the printed parts on the printing platform 20 always receive optimal supplementary lighting, which is beneficial for improving the display effect of the printed parts.

[0140] Please see Figure 2 and Figure 4 In some embodiments, the printing platform 20 includes a bearing surface 21 for bearing printed parts; the lighting device 60 includes a first region and a second region, the first region facing the bearing surface 21 and the second region facing away from the bearing surface 21, and the first region is lit.

[0141] Specifically, the supporting surface 21 can divide the lighting device 60 into two areas, where the first area faces the supporting surface 21 and the second area faces away from the supporting surface 21. It can be understood that in the lighting device 60, the area above the supporting surface 21 is the first area, and the area below the supporting surface 21 is the second area.

[0142] During the lifting and lowering of the printing platform 20, the controller of the 3D printing equipment 100 can obtain the current height of the support surface 21, and the controller can communicate with the lighting device 60. For example, the controller and the lighting device 60 can communicate via the Serial Peripheral Interface (SPI) protocol. The SPI protocol is a general serial communication protocol used to control the lighting device 60 to indicate different heights of the printing platform 20. The MOSI signal line is used for main communication, using square waves to control the lighting device 60 to achieve stepped on / off and flowing flashing states.

[0143] Therefore, during the lifting and lowering of the printing platform 20, the controller of the 3D printing equipment 100 can divide the first and second regions in real time according to the current height of the support surface 21 and the height of different areas of the lighting device 60, and illuminate the first region. For example, the controller of the 3D printing equipment 100 can obtain the height of each second light-emitting unit 61 of the light-emitting device, determine the second light-emitting unit 61 whose height is above the height of the printing platform 20 as the target second light-emitting unit 61, and illuminate the target second light-emitting unit 61, thus dividing and illuminating the first region. Alternatively, the lighting device 60 can also have its own controller, which can communicate with the controller of the 3D printing equipment 100 and obtain the current height of the support surface 21. Then, the controller of the lighting device 60 can divide the first and second regions in real time according to the current height of the support surface 21 and illuminate the first region.

[0144] In this way, the first area can be used to provide lateral supplemental lighting for the printed parts, ensuring that the printed parts on the printing platform 20 always receive a better supplemental lighting effect during the printing process, thereby reducing the shadows on the printed parts and weakening the visual texture of the layers, thus making the display effect of the printed parts better and greatly improving the user's viewing experience of the printed parts.

[0145] Please see Figure 2 In some implementations, the second region is not illuminated.

[0146] Specifically, during the operation of the printing platform 20, the second area is not lit. This can be considered as the second light-emitting unit 61 whose height is below the height of the printing platform 20 being off, i.e., the second light-emitting unit 61 that cannot provide supplementary lighting for the printed parts is off. The second light-emitting unit 61 in the first area, i.e., the second light-emitting unit 61 whose height is above the height range of the printing platform 20, is lit. The second light-emitting unit 61 whose height is equal to the height of the printing platform 20 can be off or lit, depending on the actual needs, and is not restricted here.

[0147] In this way, by illuminating the second light-emitting unit 61 in the first area, the lighting device 60 can effectively supplement the light for the printed parts on the printing platform 20, and at the same time, the lighting device 60 can also be used to display the current position status of the printing platform 20. On the other hand, unnecessary energy consumption can be reduced by turning off the second light-emitting unit 61 in the second area.

[0148] In other embodiments, the second area may also be illuminated to maximize the brightness of the lighting device 60, so that the lighting device 60 can illuminate the entire processing space 11, thereby allowing the user to see more clearly the working status of the internal structure of the 3D printing equipment 100.

[0149] Please see Figure 2 and Figure 4In some embodiments, the first region and the second region are divided based on the height of the bearing surface 21. The 3D printing equipment 100 includes a motion device 50, which is connected to the printing platform 20. The motion device 50 includes a motor 53, which is used to drive the printing platform 20 to move. The height of the bearing surface 21 is determined based on the number of teeth of the motor 53 and the rotation direction of the motor 53.

[0150] Specifically, motor 53 can drive the printing platform 20 to move. For example, the motion device 50 also includes a lead screw and a slider. Motor 53 can drive the lead screw to move, thereby causing the slider to rise and fall, and thus causing the printing platform 20 to rise and fall. The distance the printing platform 20 moves is fixed for each rotation of the output shaft of motor 53, so the distance the printing platform 20 moves for each rotation of the output shaft of motor 53 can be predetermined. Furthermore, the direction of movement of the printing platform 20 can be different when the rotation direction of motor 53 is different. For example, when motor 53 rotates forward, the printing platform 20 rises; when motor 53 rotates in reverse, the printing platform 20 falls.

[0151] During the printing process, the printing platform 20 rises or falls. The direction of movement of the printing platform 20 is determined by the rotation direction of the motor 53, and the distance it moves is determined by the number of teeth on the motor 53. Then, the current position of the printing platform 20 is determined by combining the previous position, direction of movement, and distance traveled. Specifically, during the startup of the 3D printing equipment 100, an initial position can be preset, and the printing platform 20 will move to this initial position each time the machine starts. This facilitates the subsequent determination of the current height of the bearing surface 21 by combining the initial position, the number of teeth on the motor 53, and the rotation direction of the motor 53. Alternatively, the current position of the printing platform 20 can be identified during startup, and the current height of the bearing surface 21 can be determined later based on the current position during startup, the number of teeth on the motor 53, and the rotation direction of the motor 53.

[0152] In this way, the current height of the bearing surface 21 can be accurately determined according to the number of teeth of the motor 53 and the rotation direction of the motor 53, so that the 3D printing equipment 100 can accurately control the second light-emitting unit 61, which is located above the current height of the bearing surface 21, to emit light, ensuring that the printed part can obtain a better supplementary lighting effect.

[0153] Please see Figure 2In some embodiments, the lighting device 60 can also serve as a reminder, providing a dedicated lighting effect for specific operating states of the 3D printing equipment 100 (e.g., when the 3D printing equipment 100 has completed printing or when an abnormality occurs). This lighting effect can include either the lighting device 60 being on or flashing, allowing the user to immediately understand the current status of the 3D printing equipment 100 upon observing the lighting effect. Specifically, when the lighting device 60 is on, some or all of the second light-emitting units 61 may be illuminated.

[0154] In one embodiment, when the 3D printing equipment 100 completes printing, the lighting device 60 illuminates or flashes to alert the user that the 3D printing equipment 100 has completed printing. In another embodiment, when the 3D printing equipment 100 malfunctions, the lighting device 60 illuminates or flashes to alert the user that the malfunction has occurred. It should be noted that if alert functions are provided for both when the 3D printing equipment 100 completes printing and when malfunctions occur, the lighting effects for these two scenarios will be different.

[0155] For example, when the 3D printing equipment 100 has completed printing, the lighting device 60 may either be turned on or flashing; if an abnormality occurs in the 3D printing equipment 100, the lighting device 60 may either be turned on or flashing. For instance, when the 3D printing equipment 100 has completed printing, the lighting device 60 may be turned on; if an abnormality occurs, the lighting device 60 may flash. The second light-emitting unit 61 can flash at a high frequency or a low frequency, depending on the design requirements. Furthermore, the flashing frequency can vary depending on the abnormality. For example, if the 3D printing equipment 100 lacks printing material, the second light-emitting unit 61 may flash at a high frequency; if the 3D printing equipment 100 is overheating, the second light-emitting unit 61 may flash at a low frequency. Alternatively, the lighting device 60 may flash when the 3D printing equipment 100 has completed printing, and be turned on when an abnormality occurs. The emission color can vary depending on the abnormal situation. For example, if the 3D printing equipment 100 lacks printing material, the second emission unit 61 emits orange light; if the 3D printing equipment 100 is overheated, the second emission unit 61 emits red light. In this way, users can quickly determine the current working status of the 3D printing equipment 100 after seeing the emission effect of the lighting device 60.

[0156] For example, the lighting device 60 illuminates both when the 3D printing equipment 100 has completed printing and when an abnormality occurs, but the color of the light emitted differs between the two situations. For instance, the second light-emitting unit 61 emits green light when the 3D printing equipment 100 has completed printing, and emits red light when an abnormality occurs. This ensures that the user can quickly determine the current operating status of the 3D printing equipment 100 by observing the color of the light emitted by the lighting device 60, and also maximizes the brightness of the 3D printing equipment 100, ensuring that the user can quickly perceive that the lighting device 60 is fully illuminated.

[0157] For example, the lighting device 60 flashes when the 3D printing equipment 100 has completed printing and when an abnormality occurs in the 3D printing equipment 100, but the flashing frequency is different in the two cases. For instance, when the 3D printing equipment 100 has completed printing, the second light-emitting unit 61 flashes at a low frequency, and when an abnormality occurs in the 3D printing equipment 100, the second light-emitting unit 61 flashes at a high frequency. In this way, the user can quickly determine the current working status of the 3D printing equipment 100 after seeing the flashing frequency of the lighting device 60.

[0158] In this way, the 3D printing equipment 100 can use the special light-emitting effect of the lighting device 60 to give corresponding reminders to the user, ensuring that the user can quickly determine the current working status of the 3D printing equipment 100 through the light-emitting effect of the lighting device 60.

[0159] Please see Figure 2 In some embodiments, the lighting device 60 includes a plurality of second light-emitting units 61, which are arranged in a straight line or in a zigzag pattern.

[0160] Specifically, the multiple second light-emitting units 61 are arranged in a straight line, forming a continuous linear light source, which makes the lighting effect of the lighting device 60 more uniform. In another embodiment, the multiple second light-emitting units 61 are arranged in a Z-shape, meaning that the multiple second light-emitting units 61 are arranged in a Z-shape from top to bottom and from left to right along a certain direction, such as the direction of movement of the motion device 50. The Z-shape arrangement allows for more flexible arrangement of LED beads in a limited space, improving space utilization. At the same time, by adjusting the angle and density of the Z-shape arrangement, the lighting effect can be optimized, making the light more uniform and reducing dark areas and shadows.

[0161] Please see Figure 2 In some embodiments, the lighting device 60 further includes a substrate and a second light-emitting unit 61, with the chips of the plurality of second light-emitting units 61 all packaged on the same substrate.

[0162] Specifically, the chip of the second light-emitting unit 61 is used to emit light. For example, the lighting device 60 is a light-emitting diode (LED) lighting device 60. The core component of the LED lighting device 60 is the LED chip, which is made of semiconductor material. When current passes through the chip, electrons and holes combine to release photons, thereby generating light. The lighting device 60 may also include a substrate, with the chips of multiple second light-emitting units 61 all packaged on the same substrate. In this case, the lighting device 60 is a COB lighting device 60. This helps to improve the luminous efficiency of the lighting device 60 and reduce its thermal resistance, thereby improving its heat dissipation performance. At the same time, because the chips of multiple second light-emitting units 61 are arranged very closely, the spacing between the second light-emitting units 61 is small, which makes the light output of the lighting device 60 more uniform, without obvious light spots and shadows, thus improving the light uniformity of the lighting device 60.

[0163] In the description of this specification, the references to "certain embodiments," "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples" indicate that a specific feature, structure, material, or characteristic described in connection with an embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0164] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the stated features. In the description of this application, "multiple" means at least two, such as two or three, unless otherwise explicitly specified.

[0165] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A 3D printing device, characterized by The application relates to a 3D printing device, comprising: a shell, which is formed with a processing space; a printing platform, which is arranged in the processing space; a monitoring device, which is used for monitoring a printing piece of the printing platform; and a progress bar light strip, which is arranged on a side of the printing platform facing the monitoring device, and the area of a light-emitting region of the progress bar light strip is in a positive correlation with the running time of the printing platform. The ratio of the area of the light-emitting region of the progress bar light strip to the total light-emitting area of the progress bar light strip is in a positive correlation with the ratio of the running time of the printing platform to the total running time. The printing platform comprises a bearing surface for bearing the printing piece, and the progress bar light strip is arranged on a side of the printing platform away from the bearing surface and facing the monitoring device. The 3D printing device further comprises a moving device, which comprises at least two moving parts arranged on a side of the printing platform away from the bearing surface and facing the monitoring device, and the progress bar light strip is arranged between the two moving parts. The progress bar light strip comprises a light-emitting part and a shell assembly, the shell assembly is connected to the side of the printing platform facing the monitoring device, the shell assembly is provided with a light-transmitting light-emitting surface, the light-emitting part is arranged inside the shell assembly and faces the light-emitting surface, and light emitted by the light-emitting part is emitted from the light-emitting surface.

2. The 3D printing device of claim 1, wherein, The shell assembly comprises a shell and a light-transmitting cover body, a light guide cavity is formed inside the shell, the light-emitting part and the cover body are arranged at two ends of the shell respectively, the shell is connected to the side of the printing platform facing the monitoring device, and the light-emitting surface is located on the cover body.

3. The 3D printing device of claim 1, wherein, The cover body comprises a body part and a mounting part, the shell comprises a groove, the mounting part is connected to the groove, and the light-emitting surface is located on the body part.

4. The 3D printing device of claim 3, wherein, The cover body forms a light-emitting cavity, the light-emitting cavity communicates with the light guide cavity, and at least one of the inner wall surface of the cover body and the cover body is a diffuse reflection surface.

5. The 3D printing device of claim 1, wherein, The outer wall surface of the cover body is a transparent surface.

6. The 3D printing device of claim 5, wherein, The top of the shell is provided with a connecting part, the side of the printing platform facing the monitoring device is provided with a matching part, and the connecting part is connected to the matching part.

7. The 3D printing device of claim 6, wherein, The light-emitting part comprises a plurality of first light-emitting units, the inside of the shell is provided with reinforcing ribs, the reinforcing ribs are arranged correspondingly to the first light-emitting units, and the reinforcing ribs are located outside the light-emitting field range of the first light-emitting units.

8. The 3D printing device of claim 6, wherein, Corresponding reinforcing ribs are arranged on both sides of the first light-emitting units, the thickness of the reinforcing ribs along the direction of the light-emitting part facing the cover body is smaller than the product of the tangent value of one-half of the supplementary angle of the light diffusion angle of the first light-emitting unit and the distance between the first light-emitting unit and the reinforcing rib, and the length of the first light-emitting unit extending into the light guide cavity.

9. The 3D printing device of claim 8, wherein, The progress bar light strip further comprises a light-uniformizing part, which is arranged inside the shell and located on the side of the light-emitting part facing the cover body.

10. The 3D printing device of claim 6, wherein, ​ 11. The 3D printing device of claim 6, wherein, ​ 12. The 3D printing device of claim 11, wherein, ​ 13. The 3D printing device of claim 6, wherein, ​ 14. The 3D printing device of claim 1, wherein, The 3D printing device further comprises an illuminating device, which is arranged on a surface of the housing opposite to the printing platform, and at least part of the illuminating device is located on the same side of the processing space as the monitoring device.

15. The 3D printing device of claim 14, wherein, The housing comprises a column, and the illuminating device is arranged on a surface of the column opposite to the printing platform.

16. The 3D printing device of claim 14, wherein, The housing comprises a bottom plate, a side plate and a top plate, which collectively enclose the processing space, and the illuminating device is arranged on a surface of the side plate opposite to the printing platform.

17. The 3D printing device of claim 14, wherein, The illuminating device comprises at least two illuminating devices, which are symmetrically arranged with respect to the monitoring device, and / or the at least two illuminating devices are symmetrically arranged with respect to the printing platform.

18. The 3D printing device of claim 14, wherein, The 3D printing device comprises a moving device connected to the printing platform and configured to drive the printing platform, and the illuminating device is arranged along a moving direction of the moving device.

19. The 3D printing device of claim 18, wherein, The moving device comprises a guide rail, the illuminating device is arranged along an extension direction of the guide rail, and the guide rail is located within a light-emitting field of view range of the illuminating device.

20. The 3D printing device of claim 18, wherein, The moving device comprises a guide rail, the illuminating device is arranged along an extension direction of the guide rail, and in the extension direction of the guide rail, a projection range of the guide rail does not exceed a projection range of the illuminating device.

21. The 3D printing device according to any one of claims 14-20, characterized by, The printing platform comprises a bearing surface configured to bear a printed object. The illuminating device comprises a first region and a second region, the first region is directed towards the bearing surface, the second region is directed away from the bearing surface, and the first region is lighted.

22. The 3D printing device of claim 21, wherein, The second region is not lighted.

23. The 3D printing device of claim 21, wherein, The first region and the second region are divided based on a height of the bearing surface, the 3D printing device comprises a moving device connected to the printing platform, the moving device comprises a motor configured to drive the printing platform to move, the height of the bearing surface is determined based on a number of rotation teeth of the motor and a rotation direction of the motor.

24. The 3D printing device of claim 14, wherein, In a case where the 3D printing device completes printing, the illuminating device is lighted or flashes.

25. The 3D printing device of claim 14, wherein, In a case where the 3D printing device encounters an abnormal situation, the illuminating device is lighted or flashes.

26. The 3D printing device of claim 14, wherein, The illuminating device comprises a plurality of second light-emitting units, and the plurality of second light-emitting units are arranged in a linear or Z-shaped manner.

27. The 3D printing device of claim 1, wherein, The monitoring device comprises a visual window located on the housing, and / or the monitoring device comprises an imaging assembly arranged in the processing space.

28. The 3D printing device of claim 27, wherein, The monitoring device comprises the visual window and the imaging assembly, and the imaging assembly is located on the same side of the processing space as the visual window.

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