Cleaning component, heated bed device and 3D printer

Abstract

Cleaning component, characterized in that the cleaning component comprises the following: several sets of bristle groups distributed along a first direction, each set of bristle groups comprising several bristle segments distributed along the second direction, the bristle segments of two adjacent sets of bristle groups being offset from each other along the first direction, the first direction being orthogonal to the second direction.

Description

TECHNICAL AREA

[0001] The present application relates to the field of 3D printing technology and specifically to a cleaning component, a heated bed device and a 3D printer. STATE OF THE ART

[0002] After the nozzle has completed the printing process, it generally cleans any remaining material from the nozzle surface by moving relative to the cleaning structure. However, some existing cleaning structures are insufficiently effective at cleaning residual material. CONTENT OF THE PRESENT APPLICATION

[0003] The present application offers a cleaning component, a heated bed device and a 3D printer to solve the technical problem that some existing cleaning structures have a poor cleaning effect on residual material.

[0004] The present application provides a cleaning component comprising several sets of bristle groups, wherein the several sets of bristle groups are distributed along a first direction, wherein each set of bristle groups comprises several bristle segments distributed along the second direction, wherein the bristle segments of two adjacent sets of bristle groups are offset from each other along the first direction, wherein the first direction is orthogonal to the second direction.

[0005] According to the cleaning component of the present application, after the nozzle has touched the multiple sets of bristle groups, the offset bristle sections can touch the surface of the nozzle in different directions and thus wipe the surface of the nozzle from different directions, thereby improving the wiping efficiency of the surface of the nozzle and, compared to the regularly arranged bristle groups in the known technology, further increasing the cleaning intensity and improving the cleaning quality.

[0006] In one possible embodiment, the cleaning component further comprises a base section, and the multiple sets of bristle groups are arranged on one side of the base section along the third direction, wherein the third direction is orthogonal to the first direction and the third direction is orthogonal to the second direction. The bristle section has a first inclined surface and a second inclined surface, wherein the first inclined surface is located on one side of the second inclined surface along the first direction, and wherein, in a direction away from the base section, the distance between the first inclined surface and the second inclined surface gradually decreases along the first direction.

[0007] In one possible embodiment, the bristle section further comprises a first ceiling surface and a second ceiling surface, wherein the first ceiling surface is connected to the first inclined surface and extends in a direction near the second inclined surface, wherein the second ceiling surface is connected to the second inclined surface and extends in a direction near the first inclined surface, wherein the first ceiling surface is of a flat, concave or convex surface, and wherein the second ceiling surface is of a flat, concave or convex surface.

[0008] In one possible embodiment, the angle formed between the first inclined surface and the second inclined surface is in a range between 90 degrees and 135 degrees.

[0009] In one possible embodiment, the bristle section comprises a first brush section and / or a second brush section, wherein there is a first gap between the first brush section and the second brush section, and wherein there is a second gap between two adjacent sets of bristle groups.

[0010] In one possible embodiment, the cleaning component is used on a 3D printer, wherein the 3D printer has a nozzle, and wherein the cleaning component further comprises a sealing section, the sealing section being located on one side of the multiple sets of bristle groups, and the sealing section having a closing surface, the closing surface being configured to close the extrusion opening of the nozzle.

[0011] In one possible embodiment, the closing surface is a flat surface, wherein the height of the closing surface in the third direction is less than the height of the ceiling surface of the bristle section in the third direction; or wherein the height of the closing surface in the third direction corresponds to the height of the ceiling surface of the bristle section in the third direction.

[0012] In one possible embodiment, the cleaning component further comprises a base section, wherein the base section has a mounting surface and several sets of bristle groups are arranged on the mounting surface, wherein the sealing section is provided on the mounting surface, wherein the sealing surface is spaced away from the mounting surface, wherein the sealing section further comprises a connecting surface, wherein the connecting surface is inclined relative to the mounting surface, and wherein the connecting surface is connected between the mounting surface and the sealing surface.

[0013] The present application also relates to a heated bed device comprising a build plate and the aforementioned cleaning component. The build plate is configured to support a printed model. The cleaning component is located at the edge of the build plate.

[0014] The present application also relates to a 3D printer comprising a nozzle, the aforementioned cleaning component and / or the aforementioned heated bed device, wherein the cleaning component is configured to clean the nozzle. BRIEF DESCRIPTION OF THE DRAWING

[0015] To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in these embodiments are briefly presented below. It is understood that the following drawings only show certain embodiments of the present application and should therefore not be considered as limiting the scope. A person skilled in the art in this field can draw further related drawings based on these drawings without requiring any creative effort. Fig. Figure 1 is a schematic structural representation of a 3D printer according to an embodiment of the present application. Fig. Figure 2 is a schematic structural representation of a heated bed device according to an embodiment of the present application. Fig. Figure 3 is a schematic structural representation of a cleaning component according to an embodiment of the present application. Fig. Figure 4 is a schematic structural representation of a bristle group according to an embodiment of the present application. Fig. Figure 5 is a schematic structural representation of a first brush section and a second brush section according to an embodiment of the present application. Fig. Figure 6 is a schematic structural representation of a cleaning component according to another embodiment of the present application. Fig. Figure 7 is a schematic structural representation of a cleaning component according to another embodiment of the present application. Fig. Figure 8 is a schematic structural representation of a heated bed device according to another embodiment of the present application. Fig. Figure 9 is a schematic structural representation of a cleaning component according to another embodiment of the present application. Fig. Figure 10 is a schematic structural representation of a cleaning component and a printhead according to an embodiment of the present application. Fig. Figure 11 is another schematic structural representation of a cleaning component and a printhead according to an embodiment of the present application. Fig. Figure 12 is a schematic structural representation of a cleaning component according to another embodiment of the present application. List of reference symbols for the main elements: 100 cleaning components 10 Bristle group 20 bristle sections 21 First brush section 22 Second brush section 30 Basic section 40 Sealing section 51 First elastic element 52 Second elastic element P1 First inclined surface P2 Second inclined surface P3 First ceiling area P4 Second ceiling area P5 Sealing surface P6 Connection surface P7 mounting surface Q1 First gap Q2 Second gap Q3 Third Split K Extrusion opening 200 heated bed device 201 Building plate 202 Heated bed plate 300 3D printers 301 frames 302 Base 303 X-axis drive component 304 Y-axis drive component 305 Z-axis drive component 306 Printhead 307 Nozzle M1 First direction M2 Second Direction M3 Third Direction

[0016] The following specific implementations will further illustrate the present application in conjunction with the drawings mentioned above. DETAILED DESCRIPTION

[0017] The technical solutions of the embodiments of the present application are described clearly and completely below in conjunction with the accompanying drawings shown in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of this application, not all embodiments.

[0018] It should be noted that when an element is described as "attached" to another element, it may be located directly on top of the other element, or there may be an intervening element. When an element is described as "connected" to another element, it may be directly attached to the other element, or there may be an intervening element. When an element is described as "arranged" on another element, it may be arranged directly on top of the other element, or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used here are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as they would be generally understood by a person skilled in the art in the field of the present application. The terminology used herein in the description of the present application serves only to describe specific embodiments and is not intended to limit the present application. As used herein, the term "or / and" includes any combination and all combinations of one or more of the related listed elements.

[0020] Several embodiments of the present application are described in detail. The described embodiments and features within those embodiments can be combined without conflict.

[0021] With reference to Fig. 1 The present application provides a 3D printer 300, for example a 3D printer 300 based on FDM technology.

[0022] The 3D printer 300 includes a base 302, a frame 301, a print head 306, a heated bed device 200, an X-axis drive component 303, a Y-axis drive component 304 or a Z-axis drive component 305.

[0023] The frame 301 is rigidly connected to the base 302. The Z-axis drive component 305 is connected to the frame 301, the X-axis drive component 303 is connected to the Z-axis drive component 305, the print head 306 is connected to the X-axis drive component 303, the Y-axis drive component 304 is connected to the base 302, the Y-axis drive component 304 is drive-connected to the heated bed device 200, and the heated bed device 200 is connected to the side of the Y-axis drive component 304 facing away from the base 302. In this way, relative displacements between the print head 306 and the heated bed device 200 can occur in the X, Y and Z directions, so that the print head 306 can extrude the consumable material on the heated bed device 200 and print a three-dimensional printed part.

[0024] In other embodiments, the directions of movement of the heated bed device 200 and the print head 306 can also have other forms, which are not limited here. For example, the Z-axis drive component 305 can be arranged on the base 302 and connected to the heated bed device 200. The print head 306 is connected to the frame 301 via a bidirectional drive structure in the first direction M1 and the second direction M2, which consists of an X-axis drive component 303 and a Y-axis drive component 304.

[0025] In some embodiments, it is with reference to Fig. 1 and Fig. Figure 2 provides that the heated bed device 200 comprises a build plate 201 and a cleaning component 100. The build plate 201 is configured to support a printed model. The cleaning component 100 is configured to clean the nozzle 307. The cleaning component 100 is located at an edge of the build plate 201. After the printing process is complete, the relative movement between the print head 306 and the heated bed device 200 causes the nozzle 307 and the cleaning component 100 to move relative to each other, thereby cleaning the consumable on the surface of the nozzle 307 before it hardens, thus further improving the cleaning efficiency of the nozzle 307's surface. In other embodiments, the heated bed device 200 also includes other elements, such as a heated bed plate 202.

[0026] In other embodiments, the cleaning component 100 can be arranged independently of the heated bed device 200 and on the frame 301. Thus, after completion of the printing process, the print head 306 moves relative to the cleaning component 100, driven by the X-axis drive component 303 and the Z-axis drive component 305, thereby achieving surface cleaning of the nozzle 307 of the print head 306. Therefore, the mounting position of the cleaning component 100 in the present embodiment can be adapted to the actual requirements and is not specifically limited here.

[0027] As in Fig. As shown in Figure 3, the cleaning component 100 comprises several sets of bristle groups 10, and the several sets of bristle groups 10 are distributed along a first direction M1, with each bristle group 10 comprising several bristle segments 20 distributed along the second direction M2, the bristle segments 20 of two adjacent sets of bristle groups 10 being offset from each other along the first direction M1. The first direction M1 is orthogonal to the second direction M2.

[0028] According to the cleaning component 100 of the present application, the offset bristle sections 20, after the nozzle 307 has touched the multiple sets of bristle groups 10, can touch the surface of the nozzle 307 in different directions and thus wipe the surface of the nozzle 307 from different directions, thereby improving the wiping efficiency of the surface of the nozzle 307 and, compared to the regularly arranged bristle groups in the known technology, further increasing the cleaning intensity and improving the cleaning quality.

[0029] The bristle segments 20 of two adjacent sets of bristle groups 10 are offset along the first direction M1, meaning that each set of bristle groups 10 is offset from the other set of bristle groups 10 by a certain distance along the first direction M1 and the second direction M2, and the projections of the two sets of bristle groups 10 along the first direction M1 do not overlap. For example, each bristle segment 20 for one set of bristle groups 10 corresponds to a part of a bristle segment 20 for the other set of bristle groups 10 in the first direction M1, or corresponds to a gap between two adjacent bristle segments 20 for the other set of bristle groups 10, thus ensuring that the bristle segments 20 of two adjacent sets of bristle groups 10 are offset from each other along the first direction M1.

[0030] In some embodiments, it is with reference to Fig. 3 provides that the cleaning component 100 also comprises a base section 30. The multiple sets of bristle groups 10 are arranged on one side of the base section 30 along the third direction M3. The base section 30 serves for connection to the heated bed plate 202 or the frame 301. The bristle section 20 has a first inclined surface P1 and a second inclined surface P2, wherein the first inclined surface P1 is provided on one side of the second inclined surface P2 along the first direction M1, and wherein, in a direction away from the base section 30, the distance between the first inclined surface P1 and the second inclined surface P2 gradually decreases along the first direction M1.

[0031] In this way, the first inclined surface P1 and the second inclined surface P2 can clean the surfaces on both sides of the nozzle 307 when the nozzle 307 moves back and forth in different directions relative to the cleaning component 100.

[0032] In the present embodiment, the third direction M3 is orthogonal to the first direction M1, and the third direction M3 is orthogonal to the second direction M2. For example, the third direction M3 can be configured as a vertical direction, with the first direction M1 and the second direction M2 each being configured as two mutually perpendicular directions on a horizontal plane.

[0033] In some embodiments, the angle formed between the first inclined surface P1 and the second inclined surface P2 is provided to be in a range between 90 degrees and 135 degrees. For example, the angle can be set to a value of 90 degrees, 95 degrees, 100 degrees, 105 degrees, 110 degrees, 115 degrees, 120 degrees, 125 degrees, 130 degrees, and 135 degrees. If the angle is less than 90 degrees, the bristle section 20 is designed as a structure extending outwards away from the base section 30, and the cleaning effect on the nozzle 307 is low. However, if the angle is greater than 135°, the bristle section 20 is relatively flat and cannot achieve a good cleaning effect. By adjusting the angle between 90 degrees At 135 degrees, the cleaning effect at nozzle 307 can be improved even further.

[0034] In some embodiments, it is with reference to Fig. Figure 3 provides that the base section 30 has a mounting surface P7 and that the multiple sets of bristle groups 10 are arranged on the mounting surface P7. The base section 30 is configured so that it can be firmly mounted on the 3D printer 300, for example on the frame 301 or the build plate 201 of the 3D printer 300.

[0035] In some embodiments, it refers to Fig. 3 provided that the bristle section 20 further comprises a first cover surface P3 and a second cover surface P4, wherein the first cover surface P3 is connected to the first inclined surface P1 and extends in a direction near the second inclined surface P2, wherein the second cover surface P4 is connected to the second inclined surface P2 and extends in a direction near the first inclined surface P1, wherein the first cover surface P3 is of a flat, concave or convex surface. The second cover surface P4 is of a flat, concave or convex surface.

[0036] In this way, after the nozzle 307 has moved along the first inclined surface P1 or the second inclined surface P2 to the first ceiling surface P3 or the second ceiling surface P4, the first ceiling surface P3 or the second ceiling surface P4 can clean the bottom surface of the nozzle 307, thereby improving the overall cleaning effect of the cleaning component 100 on the nozzle 307.

[0037] In some embodiments, it is with reference to Fig. 3 provides that the bristle section 20 comprises a first brush section 21 and / or a second brush section 22, wherein a first gap Q1 exists between the first brush section 21 and the second brush section 22, and a second gap Q2 exists between two adjacent sets of bristle groups 10. The first gap Q1 is configured to cause deformation of the first brush section 21 and / or the second brush section 22 after contact with the nozzle 307. In this way, the first brush section 21 and the second brush section 22 can clean the nozzle 307 without damaging its surface when the nozzle 307 moves relative to the cleaning component 100. Furthermore, the second gap Q2 allows the bristle sections 20 of two adjacent sets of bristle groups 10 to be configured to deform relative to each other after contact with the nozzle 307.Thus, the second gap Q2 during the relative movement between the nozzle 307 and the bristle group 10 can further increase the deformation of each bristle section 20, thereby increasing the contact area between the bristle group 10 and the surface of the nozzle 307 and improving the cleaning effect.

[0038] In this embodiment, the top surface of the first brush section 21 is designed as the first top surface P3, and the side surface of the first brush section 21 facing away from the second brush section 22 along the second direction M2 is designed as the first inclined surface P1. The top surface of the second brush section 22 is designed as the second top surface P4, and the side surface of the second brush section 22 facing away from the first brush section 21 along the second direction M2 is designed as the second inclined surface P2.

[0039] In this embodiment, it is with reference to Fig. 3 provided that the bristle sections 20 for a set of bristle groups 10 each comprise a first brush section 21 and a second brush section 22, and the bristle sections 20 at one of the two ends of the other set of bristle groups 10 comprise only the first brush section 21 and the bristle sections 20 at the other end comprise only the second brush section 22, thereby achieving that the multiple sets of bristle groups 10 are offset from each other.

[0040] In some embodiments, the first gap Q1 is formed by the ceiling surface of the bristle section 20 and extends through the mounting surface P7. In some other embodiments, with reference to Fig. 4. It is provided that the first gap Q1 has a slit bottom surface and that the slit bottom surface is spaced away from the mounting surface P7. Therefore, the depth of the first gap Q1 can be adjusted according to the deformation requirements of the bristle section 20 and is not specifically limited in this embodiment.

[0041] In some embodiments, with reference to Fig. 5, both sides of each first brush section 21 along the first direction M1 are provided with a second brush section 22. In this way, the projection of the first inclined surface P1 of the first brush section 21 along the first direction M1 intersects with the projection of the second inclined surface P2 of the second brush section 22 along the first direction M1.

[0042] In this embodiment, the first brush section 21 and the second brush section 22 can be completely identical along the first direction M1 or offset by a certain distance in the second direction M2.

[0043] In some embodiments, it is with reference to Fig. 3. It is provided that in each set of bristle groups 10, a third gap Q3 exists between two adjacent bristle sections 20, such that two adjacent bristle sections 20 are formed to generate a deformation with the nozzle 307. In this way, the third gap Q3 can further enhance the deformation of each bristle section 20 during the relative movement between the nozzle 307 and the bristle group 10, thereby increasing the contact area between the bristle group 10 and the surface of the nozzle 307 and improving the cleaning effect.

[0044] In some embodiments, it refers to Fig. 6 provided that the bristle section 20 is designed as an integral structure, wherein the first ceiling surface P3 is connected to the second ceiling surface P4 and forms a surface of the bristle section 20 M3 facing away from the base section 30 along the third direction, wherein the first inclined surface P1 and the second inclined surface P2 are surfaces of the bristle section 20 facing away from each other along the second direction M2.

[0045] In the Fig. In the embodiment shown in section 6, the first inclined surface P1 and the second inclined surface P2 are each connected to the mounting surface P7 via a vertical surface. Furthermore, both the first inclined surface P1 and the second inclined surface P2 are flat surfaces.

[0046] In the Fig. In the embodiment shown in Figure 7, it is provided that the first inclined surface P1 and the second inclined surface P2 are both curved surfaces and the first ceiling surface P3 and the second ceiling surface P4 are also curved surfaces, wherein the first inclined surface P1, the first ceiling surface P3, the second ceiling surface P4 and the second inclined surface P2 smoothly merge into one another and are connected one after the other.

[0047] In some embodiments, it is with reference to Fig. 8 and Fig. Figure 9 provides that the cleaning component 100 further comprises a first elastic element 51. The first elastic element 51 is elastically mounted between a side of the base section 30 facing away from the bristle group 10 and the 3D printer 300. The first elastic element 51 can be designed as an elastic element, for example a spring, a tension spring or an elastic column.

[0048] In this way, the first elastic element 51 can move the bristle group 10 closer to or further away from the 3D printer 300. When the nozzle 307 touches the bristle group 10, the first elastic element 51 exerts an elastic force on the bristle group 10, allowing the bristle group 10 to be pressed against the surface of the nozzle 307 to improve the cleaning effect of the bristle group 10 on the surface of the nozzle 307. Furthermore, the first elastic element 51 can also provide a certain buffering effect to prevent potential interference and damage between the nozzle and the bristle group 10, enabling the bristle group 10 to adapt better to the movement of the nozzle, simplifying the motion control logic of the nozzle, and further reducing the assembly accuracy requirements of the cleaning component 100, thereby improving the application range of the cleaning component 100.

[0049] In some embodiments, it refers to Fig. Figure 8 provides that the first elastic element 51 is connected between the base section 30 and an edge of the building plate 201. In other embodiments, the cleaning component 100 is mounted on the frame 301, with the first elastic element 51 being connected between the frame 301 and the base section 30.

[0050] In some embodiments, it is with reference to Fig. 10 and Fig. Figure 11 provides that the cleaning component 100 further comprises a sealing section 40, wherein the sealing section 40 is located on one side of the multiple sets of bristle groups 10, and the sealing section 40 has a closing surface P5 configured to close the extrusion opening K of the nozzle 307. In this way, after the nozzle 307 and the multiple sets of bristle groups 10 have moved relative to each other and the residual material on the surface of the nozzle 307 has been cleaned, the X-axis drive component 303 and the Z-axis drive component 305 can drive the nozzle 307 so that it moves and rests against the closing surface P5, thereby closing the extrusion opening K of the nozzle 307.

[0051] In some embodiments, the closing surface P5 is a flat surface, and the height of the closing surface P5 in the third direction M3 is less than the height of the top surface of the bristle section 20 (such as the first top surface P3 or the second top surface P4) in the third direction M3; alternatively, the height of the closing surface P5 in the third direction M3 is equal to the height of the top surface of the bristle section 20 (such as the first top surface P3 or the second top surface P4) in the third direction M3. This ensures that the closing surface P5 provides a good closure for the extrusion opening K of the nozzle 307 when the nozzle 307 moves onto the closing surface P5, thereby reducing the possibility of a gap forming between the extrusion opening K and the closing surface P5.

[0052] In some embodiments, it refers to Fig. Figure 10 provides that the sealing section 40 is located on the mounting surface P7, and the closing surface P5 is spaced from the mounting surface P7. The sealing section 40 further comprises a connecting surface P6 that is connected between the mounting surface P7 and the closing surface P5. The connecting surface P6 is configured to guide the nozzle 307 from the position of the bristle group 10 to the closing surface P5, thereby preventing the nozzle 307 from being restricted during its movement through the sealing section 40 and from entering the space above the closing surface P5. This allows the nozzle 307 to move under the drive of the X-axis drive component 303 and to bear against the closing surface P5, thus simplifying the motion control logic of the nozzle 307.

[0053] In this embodiment, the connecting surface P6 can be configured as a flat surface, convex or concave arc surface, and its specific shape can be determined according to the actual requirements.

[0054] In some embodiments, with reference to Fig. 12, the cleaning component 100 also includes a second elastic element 52. The second elastic element 52 is connected between the sealing section 40 and the base section 30. When the nozzle 307 moves towards the sealing section 40 and contacts the closing surface P5, the second elastic element 52 can thus exert an elastic force on the sealing section 40, so that the closing surface P5 continuously seals the extrusion opening K of the nozzle 307 to ensure that the consumable does not escape from the nozzle 307.

[0055] The second elastic element 52 can be designed as an elastic element, for example a spring, a tension spring or an elastic column.

[0056] The above embodiments serve only to illustrate the technical solutions of the present application and are not intended to limit them. Although the present application has been described in detail with reference to the above preferred embodiments, it is understood by those skilled in the art that modifications or equivalent replacements of the technical solutions of the present application must not deviate from the meaning and scope of the technical solutions of the present application.

Claims

[1] Cleaning component, characterized by , that the cleaning component includes the following: several sets of bristle groups distributed along a first direction, each set of bristle groups comprising several bristle segments distributed along the second direction, the bristle segments of two adjacent sets of bristle groups being offset from each other along the first direction, the first direction being orthogonal to the second direction. [2] Cleaning component according to claim 1, characterized bythat the cleaning component further comprises a base section and the multiple sets of bristle groups are arranged on one side of the base section along the third direction, wherein the third direction is orthogonal to the first direction and the third direction is orthogonal to the second direction; wherein the bristle section has a first inclined surface and a second inclined surface, wherein the first inclined surface is provided on one side of the second inclined surface along the first direction, wherein in a direction away from the base section the distance between the first inclined surface and the second inclined surface gradually decreases along the first direction. [3] Cleaning component according to claim 2, characterized by, that the bristle section further comprises a first ceiling surface and a second ceiling surface, wherein the first ceiling surface is connected to the first inclined surface and extends in a direction near the second inclined surface, wherein the second ceiling surface is connected to the second inclined surface and extends in a direction near the first inclined surface, wherein the first ceiling surface is of a flat, concave or convex surface, and wherein the second ceiling surface is of a flat, concave or convex surface. [4] Cleaning component according to claim 2, characterized by , that the angle formed between the first inclined surface and the second inclined surface lies in a range between 90 degrees and 135 degrees. [5] Cleaning component according to claim 1, characterized by, that the bristle section comprises a first brush section and a second brush section, wherein there is a first gap between the first brush section and the second brush section, and wherein there is a second gap between two adjacent sets of bristle groups. [6] Cleaning component according to claim 1, characterized by that the cleaning component is used on a 3D printer, wherein the 3D printer has a nozzle, wherein the cleaning component further comprises a sealing section, wherein the sealing section is located on one side of the multiple sets of bristle groups, wherein the sealing section has a closing surface, wherein the closing surface is configured to close the extrusion opening of the nozzle. [7] Cleaning component according to claim 6, characterized bythat the closing surface is a flat surface, wherein the height of the closing surface in the third direction is less than the height of the ceiling surface of the bristle section in the third direction; or wherein the height of the closing surface in the third direction is equal to the height of the ceiling surface of the bristle section in the third direction. [8] Cleaning component according to claim 6, characterized bythat the cleaning component further comprises a base section, wherein the base section has a mounting surface and several sets of bristle groups are arranged on the mounting surface, wherein the sealing section is provided on the mounting surface, wherein the sealing surface is spaced away from the mounting surface, wherein the sealing section further comprises a connecting surface, wherein the connecting surface is inclined relative to the mounting surface, and wherein the connecting surface is connected between the mounting surface and the sealing surface. [9] Heated bed device, characterized by , that the heated bed device includes the following: a build plate configured to support a printed model; a cleaning component according to any one of claims 1 to 8, wherein the cleaning component is arranged at an edge of the building plate. [10] 3D printers, characterized bythat the 3D printer comprises a nozzle, a cleaning component according to one of claims 1 to 8 and / or a heated bed device according to claim 9, wherein the cleaning component is configured to clean the nozzle.

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