3D printing scraper cleaning structure

Abstract

The utility model belongs to the technical field of 3D printing scraper blade cleaning structures, and particularly relates to a 3D printing scraper blade cleaning structure which comprises a 3D printer body and a machining platform, the machining platform is fixedly connected in the 3D printer body, a fixing support is fixedly connected to the machining platform, two first sliding grooves are symmetrically formed in the fixing support, and the two first sliding grooves are fixedly connected to the machining platform. Two first sliding blocks are slidably connected into the two first sliding grooves correspondingly, two first threaded rods are in threaded connection into the two first sliding blocks correspondingly, and the two first threaded rods are rotationally connected with the two first sliding grooves correspondingly; the rotating assembly is located between the machining platform and the fixing support and used for driving the two first threaded rods to rotate; the problem that after the 3D printer is used, part of waste possibly remains on the working platform of the printer, due to the fact that the 3D printer is not provided with a cleaning mechanism, the part of residual waste needs to be manually cleaned by a user, and the workload of the user is increased is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of 3D printing scraper cleaning structures, and in particular relates to a 3D printing scraper cleaning structure. Background Art

[0002] 3D printer, also known as three-dimensional printer, is a kind of rapid prototyping process equipment. Its working principle is basically the same as that of traditional printers, which are composed of control components, mechanical components, print heads, consumables and media. It mainly designs a complete three-dimensional model on the computer before printing, and then constructs the object by printing layer by layer.

[0003] Specifically, 3D printing is an additive manufacturing technology that uses 3D model files as the basis, uses powdered metal or plastic and other bondable materials to construct objects by printing layer by layer. This technology is widely used in mold manufacturing, industrial design and other fields, and is gradually used for the direct manufacturing of some products.

[0004] For example, a Chinese patent with publication number CN205310840U discloses a multi-material 3D printer, which includes a shell, a base, a workbench, a nozzle, a three-dimensional motion mechanism, a feeding unit and a storage unit are arranged in the shell, the 3D printer is connected to a controller, a power supply is arranged under the base, the controller is connected to the power supply, the three-dimensional motion mechanism is driven by a servo motor, the servo motor is electrically connected to the controller, the three-dimensional motion mechanism includes an X-axis motion mechanism, a Y-axis motion mechanism and a Z-axis motion mechanism; a feeding drive device is arranged on the nozzle, and the feeding drive device is electrically connected to the controller; the feeding unit includes a plurality of guide tubes, one end of the guide tube is connected to the nozzle, and the other end is connected to the storage unit, a valve controller is arranged on the guide tube, and the valve controller is electrically connected to the controller; the workbench is located on the base.

[0005] The above patent has the following problems:

[0006] This patent has some disadvantages when used, such as: after the above 3D printer is used, some waste may remain on the working platform of the printer. Because the 3D printer does not have a cleaning mechanism, the remaining waste needs to be cleaned manually by the user, which increases the workload of the user. In view of this, we propose a 3D printing scraper cleaning structure. Utility Model Content

[0007] The purpose of the utility model is to provide a 3D printing scraper cleaning structure to solve the problems raised in the above background technology.

[0008] In view of this, the utility model provides a 3D printing scraper cleaning structure, comprising:

[0009] A 3D printer body and a processing platform, wherein the processing platform is fixedly connected to the 3D printer body, a fixed bracket is fixedly connected to the processing platform, two first slide grooves are symmetrically provided in the fixed bracket, two first sliders are slidably connected in the two first slide grooves, two first threaded rods are threadedly connected in the two first sliders, and the two first threaded rods are rotatably connected to the two first slide grooves respectively;

[0010] A rotating assembly, the rotating assembly is located between the processing platform and the fixed bracket, and is used to drive the two first threaded rods to rotate;

[0011] A slide plate, the slide plate is fixedly connected between the two first slide blocks and is located on the top surface of the processing platform, a second slide groove is provided on one side of the slide plate, a second slide block is slidably connected in the second slide groove, a scraper is fixedly connected to one end of the second slide block, and the bottom surface of the scraper is in contact with the top surface of the processing platform;

[0012] A driving assembly is located in the slide plate and is used to drive the second slide block to move.

[0013] Based on the above structure, by setting the first slide groove and the first slider, it is ensured that the first slider can slide in the first slide groove, and by setting the rotating component and the first threaded rod, it is ensured that the user can drive the two first threaded rods to rotate through the rotating component, and the two first sliders are respectively moved by the action of the threads of the two first threaded rods, and by setting the second slide groove and the second slider, it is ensured that the second slider can slide in the second slide groove, and by setting the driving component, it is ensured that the user can drive the second slider to move in the second slide groove through the driving component, and by setting the scraper, it is ensured that when the second slider moves, the second slider can drive the scraper to stick to the top surface of the processing platform, and that when the slide plate moves, the slide plate will drive the scraper to remove the waste remaining on the processing platform.

[0014] In the above technical solution, further, the rotating assembly includes:

[0015] A first movable groove, wherein the first movable groove is provided in the fixed bracket and communicates with the two first slide grooves, wherein two first sprockets are rotatably connected in the first movable groove, and one end of the two first sprockets respectively extends into the two first slide grooves and is respectively fixed to one end of the two first threaded rods, and a first chain is meshed between the two first sprockets;

[0016] A second movable groove, wherein the second movable groove is provided in the fixed bracket, a second sprocket is rotatably connected in the second movable groove, and one end of the second sprocket extends into the first movable groove and is fixed to one of the first sprockets;

[0017] A third sliding groove, the third sliding groove is provided in the processing platform and communicated with the second movable groove, a third sprocket is rotatably connected in the third sliding groove, and a second chain is meshed between the third sprocket and the second sprocket;

[0018] A motor slot is provided in the processing platform and communicated with the third sliding slot. A motor is fixedly connected in the motor slot, and an output shaft of the motor extends into the third sliding slot and is fixed to the third sprocket.

[0019] In this technical solution, it is ensured that after the user finishes printing the model, the scraper can scrape away the waste remaining on the processing platform.

[0020] In the above technical solution, further, one end of the first sprocket is rotatably connected to the first sliding groove.

[0021] In this technical solution, it is ensured that one end of the first sprocket can rotate normally in the first sliding groove.

[0022] In the above technical solution, further, one end of the second sprocket is rotatably connected to the first movable groove.

[0023] In this technical solution, it is ensured that one end of the second sprocket can rotate normally in the first movable groove.

[0024] In the above technical solution, further, the output shaft of the motor is rotationally connected to the third sliding groove.

[0025] In this technical solution, it is ensured that the output shaft of the motor can rotate normally in the third sliding groove.

[0026] In the above technical solution, further, the driving component includes:

[0027] The second threaded rod is threadedly connected in the second sliding block and is rotatably connected to the second sliding groove. The top end of the second threaded rod is fixedly connected to a rotating rod, and the top end of the rotating rod passes through the second sliding groove and extends to the outside to be rotatably connected to the sliding plate.

[0028] In this technical solution, it is ensured that when the scraper is worn and cannot contact with the processing platform, the user can control the scraper to move downward so that the scraper can contact with the top surface of the processing platform again.

[0029] In the above technical solution, further, it also includes:

[0030] A through groove is provided on the top surface of the processing platform, and a slot communicating with the outside is provided on the inner wall of the through groove, and a waste box is inserted in the slot.

[0031] In this technical solution, it is ensured that when waste enters the through slot, the waste will enter the waste box along the through slot and be collected by the waste box.

[0032] In the above technical solution, further, one side of the scraper is arranged at an angle.

[0033] In the technical solution, it is ensured that one side of the scraper can scrape away the waste.

[0034] The beneficial effects of the utility model are:

[0035] The 3D printing scraper cleaning structure ensures that the first slide block can slide in the first slide block by providing a first slide groove and a first slider, ensures that a user can drive the two first threaded rods to rotate by providing a rotating assembly and a first threaded rod, and the two first slide blocks are respectively moved by the action of the threads of the two first threaded rods, ensures that the second slide block can slide in the second slide groove by providing a second slide groove, ensures that a user can drive the second slide block to move in the second slide groove by providing a driving assembly, ensures that a scraper can be provided by providing a second slide block when the second slide block moves, and ensures that the scraper can be driven to contact the top surface of the processing platform when the second slide block moves, and ensures that the scraper can drive the scraper to remove the waste remaining on the processing platform when the slide block moves, thereby solving the problem that some waste may remain on the working platform of the printer after the 3D printer is used, and because the 3D printer does not have a cleaning mechanism, the remaining waste needs to be manually cleaned by the user, which increases the workload of the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0037] Figure 2 It is a schematic diagram of the internal structure of the fixing bracket of the utility model;

[0038] Figure 3 It is a schematic diagram of the regional structure of the second movable groove of the utility model;

[0039] Figure 4 It is a schematic diagram of the internal structure of the motor slot of the utility model;

[0040] Figure 5 It is a schematic diagram of the internal structure of the skateboard of the utility model.

[0041] The symbols in the figure are:

[0042] 1. 3D printer body; 2. processing platform; 3. fixed bracket; 4. first slide groove; 5. first slider; 6. first threaded rod; 7. slide plate; 8. second slide groove; 9. second slider; 10. scraper; 11. first movable groove; 12. first sprocket; 13. first chain; 14. second movable groove; 15. second sprocket; 16. third slide groove; 17. third sprocket; 18. second chain; 19. motor groove; 20. motor; 21. second threaded rod; 22. rotating rod; 23. through groove; 24. slot; 25. waste box. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0044] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0045] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0046] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words 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 cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0047] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0048] Embodiment 1:

[0049] See also Figure 1 - Figure 5 As shown, this embodiment provides a 3D printing scraper cleaning structure, including:

[0050] A 3D printer body 1 and a processing platform 2, wherein the processing platform 2 is fixedly connected to the 3D printer body 1, and a fixed bracket 3 is fixedly connected to the processing platform 2, wherein two first slide grooves 4 are symmetrically provided in the fixed bracket 3, and two first sliders 5 are respectively slidably connected in the two first slide grooves 4, and two first threaded rods 6 are respectively threadedly connected in the two first sliders 5, and the two first threaded rods 6 are respectively rotatably connected to the two first slide grooves 4;

[0051] A rotating assembly, which is located between the processing platform 2 and the fixed bracket 3 and is used to drive the two first threaded rods 6 to rotate;

[0052] A slide plate 7, which is fixedly connected between the two first slide blocks 5 and is located on the top surface of the processing platform 2. A second slide groove 8 is provided on one side of the slide plate 7. A second slide block 9 is slidably connected in the second slide groove 8. A scraper 10 is fixedly connected to one end of the second slide block 9, and the bottom surface of the scraper 10 is in contact with the top surface of the processing platform 2.

[0053] The driving assembly is located in the slide plate 7 and is used to drive the second slide block 9 to move.

[0054] Embodiment 2:

[0055] This embodiment provides a 3D printing scraper cleaning structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the rotating assembly includes:

[0056] A first movable groove 11, which is provided in the fixed bracket 3 and communicates with the two first slide grooves 4. Two first sprocket wheels 12 are rotatably connected in the first movable groove 11, and one end of the two first sprocket wheels 12 extends into the two first slide grooves 4 and is fixed to one end of the two first threaded rods 6 respectively. A first chain 13 is meshed between the two first sprocket wheels 12;

[0057] A second movable groove 14, which is provided in the fixed bracket 3, in which a second sprocket 15 is rotatably connected, and one end of the second sprocket 15 extends into the first movable groove 11 and is fixed to one of the first sprockets 12;

[0058] A third sliding groove 16, which is provided in the processing platform 2 and communicates with the second movable groove 14, a third sprocket 17 is rotatably connected in the third sliding groove 16, and a second chain 18 is meshed between the third sprocket 17 and the second sprocket 15;

[0059] The motor slot 19 is provided in the processing platform 2 and communicated with the third sliding slot 16 . A motor 20 is fixedly connected in the motor slot 19 , and an output shaft of the motor 20 extends into the third sliding slot 16 and is fixed to the third sprocket 17 .

[0060] When the 3D printer body 1 prints the model, the user starts the motor 20, and the output shaft of the motor 20 drives the third sprocket 17 to rotate in the third sliding groove 16, so that the third sprocket 17 drives the second sprocket 15 to rotate in the second movable groove 14 through the second chain 18. When the second sprocket 15 rotates, the second sprocket 15 drives one of the first sprockets 12 to rotate in the first movable groove 11, and one of the first sprockets 12 drives the other first sprocket 12 to rotate through the first chain 13. When the two first sprockets 12 rotate, the two first sprockets 12 will respectively rotate. The two first threaded rods 6 are driven to rotate in the two first slide grooves 4. When the two first threaded rods 6 rotate, the two first sliders 5 will be respectively affected by the threads of the two first threaded rods 6 to move along the two first slide grooves 4. When the two first sliders 5 move, the two first sliders 5 will drive the slide plate 7 to move on the top surface of the processing platform 2. When the slide plate 7 moves, the slide plate 7 will drive the scraper 10 to move on the top surface of the processing platform 2, so that the scraper 10 can scrape off the waste remaining on the processing platform 2, ensuring that when the user finishes printing the model, the scraper 10 can scrape off the waste remaining on the processing platform 2.

[0061] Embodiment 3:

[0062] This embodiment provides a 3D printing scraper cleaning structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features: one end of the first sprocket 12 is rotatably connected to the first slide groove 4.

[0063] Here, it is ensured that one end of the first sprocket 12 can rotate normally in the first sliding groove 4.

[0064] Embodiment 4:

[0065] This embodiment provides a 3D printing scraper cleaning structure. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the second sprocket 15 is rotatably connected to the first movable groove 11.

[0066] Here, it is ensured that one end of the second sprocket 15 can rotate normally in the first movable groove 11 .

[0067] Embodiment 5:

[0068] This embodiment provides a 3D printing scraper cleaning structure. In addition to the technical solutions of the above embodiments, it also has the following technical features: the output shaft of the motor 20 is rotatably connected to the third sliding groove 16.

[0069] Herein, it is ensured that the output shaft of the motor 20 can rotate normally in the third sliding groove 16 .

[0070] Embodiment 6:

[0071] This embodiment provides a 3D printing scraper cleaning structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the driving component includes:

[0072] The second threaded rod 21 is threadedly connected in the second sliding block 9 and is rotatably connected to the second sliding groove 8. The top of the second threaded rod 21 is fixedly connected with a rotating rod 22, and the top of the rotating rod 22 passes through the second sliding groove 8 and extends to the outside to be rotatably connected to the sliding plate 7.

[0073] Among them, when the scraper 10 is used for a long time and the bottom surface is worn, the user turns the rotating rod 22 by hand, allowing the rotating rod 22 to drive the second threaded rod 21 to rotate in the second slide groove 8, so that the second slider 9 is driven by the thread of the second threaded rod 21 to move the scraper 10 downward. When the scraper 10 moves to a suitable position, the bottom surface of the scraper 10 will be in contact with the top surface of the processing platform 2, ensuring that when the scraper 10 is worn and cannot contact the processing platform 2, the user can control the scraper 10 to move downward so that the scraper 10 is in contact with the top surface of the processing platform 2 again.

[0074] Embodiment 7:

[0075] This embodiment provides a 3D printing scraper cleaning structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features, including:

[0076] The through groove 23 is provided on the top surface of the processing platform 2 , and a slot 24 communicating with the outside is provided on the inner wall of the through groove 23 , and a waste box 25 is inserted into the slot 24 .

[0077] Among them, when the slide plate 7 moves, the slide plate 7 will drive the scraper 10 to move on the top surface of the processing platform 2, allowing the scraper 10 to scrape off the waste remaining on the processing platform 2 and push it into the through groove 23, ensuring that when the waste enters the through groove 23, the waste will enter the waste box 25 along the through groove 23 and be collected by the waste box 25.

[0078] Embodiment 8:

[0079] This embodiment provides a 3D printing scraper cleaning structure, which, in addition to the technical solutions of the above embodiments, also has the following technical features: one side of the scraper 10 is inclined.

[0080] Here, it is ensured that one side of the scraper 10 can scrape away the waste.

[0081] When the 3D printer body 1 finishes printing the model, the user starts the motor 20, and the output shaft of the motor 20 drives the third sprocket 17 to rotate in the third sliding groove 16, so that the third sprocket 17 drives the second sprocket 15 to rotate in the second movable groove 14 through the second chain 18. When the second sprocket 15 rotates, the second sprocket 15 drives one of the first sprockets 12 to rotate in the first movable groove 11, and one of the first sprockets 12 drives the other first sprocket 12 to rotate through the first chain 13. When the two first sprockets 12 rotate, the two first sprockets 12 will respectively drive the two first threaded rods 6 to rotate in the two first sliding grooves 4. When the two first threaded rods 6 rotate, the two first sliding blocks 5 will be respectively affected by the threads of the two first threaded rods 6 to move along the two first sliding grooves 4. When the two first sliding blocks 5 move, the two first sliding blocks 5 will drive the slide plate 7 to move on the top surface of the processing platform 2. When the slide plate 7 moves, The slide plate 7 will drive the scraper 10 to move on the top surface of the processing platform 2, allowing the scraper 10 to scrape off the waste remaining on the processing platform 2 and push it into the through groove 23. When the waste enters the through groove 23, the waste will enter the waste box 25 along the through groove 23 and be collected by the waste box 25, ensuring that when the user finishes printing the model, the scraper 10 can scrape off the waste remaining on the processing platform 2. When the scraper 10 is used for a long time and the bottom surface is worn, the user manually rotates the rotating rod 22 to allow the rotating rod 22 to drive the second threaded rod 21 to rotate in the second slide groove 8, so that the second slider 9 is driven by the thread of the second threaded rod 21 to move the scraper 10 downward. When the scraper 10 moves to a suitable position, the bottom surface of the scraper 10 will be in contact with the top surface of the processing platform 2, ensuring that when the scraper 10 is worn and cannot contact the processing platform 2, the user can control the scraper 10 to move downward so that the scraper 10 is in contact with the top surface of the processing platform 2 again.

[0082] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A 3D printing scraper cleaning structure, characterized in that: include: A 3D printer body (1) and a processing platform (2), wherein the processing platform (2) is fixedly connected to the 3D printer body (1), and a fixed bracket (3) is fixedly connected to the processing platform (2), and two first slide grooves (4) are symmetrically provided in the fixed bracket (3), and two first sliders (5) are respectively slidably connected in the two first slide grooves (4), and two first threaded rods (6) are respectively threadedly connected in the two first sliders (5), and the two first threaded rods (6) are respectively rotatably connected to the two first slide grooves (4); A rotating assembly, the rotating assembly is located between the processing platform (2) and the fixed bracket (3), and is used to drive the two first threaded rods (6) to rotate; A slide plate (7), the slide plate (7) is fixedly connected between the two first slide blocks (5) and is located in contact with the top surface of the processing platform (2); a second slide groove (8) is provided on one side of the slide plate (7); a second slide block (9) is slidably connected in the second slide groove (8); a scraper (10) is fixedly connected to one end of the second slide block (9), and the bottom surface of the scraper (10) is in contact with the top surface of the processing platform (2); A driving assembly is located in the slide plate (7) and is used to drive the second slide block (9) to move.

2. A 3D printing scraper cleaning structure according to claim 1, characterized in that: The rotating assembly comprises: A first movable groove (11), the first movable groove (11) is arranged in the fixed bracket (3) and is connected to the two first slide grooves (4), two first sprocket wheels (12) are rotatably connected in the first movable groove (11), and one end of the two first sprocket wheels (12) respectively extends into the two first slide grooves (4) and is respectively fixed to one end of the two first threaded rods (6), and a first chain (13) is meshed between the two first sprocket wheels (12); A second movable groove (14), the second movable groove (14) is provided in the fixed bracket (3), a second sprocket (15) is rotatably connected in the second movable groove (14), and one end of the second sprocket (15) extends into the first movable groove (11) and is fixed to one of the first sprockets (12); a third sliding groove (16), the third sliding groove (16) being arranged in the processing platform (2) and being connected to the second movable groove (14), a third sprocket (17) being rotatably connected in the third sliding groove (16), and a second chain (18) being meshed between the third sprocket (17) and the second sprocket (15); A motor slot (19), wherein the motor slot (19) is provided in the processing platform (2) and is connected to the third sliding slot (16), a motor (20) is fixedly connected in the motor slot (19), and an output shaft of the motor (20) extends into the third sliding slot (16) and is fixed to the third sprocket (17).

3. A 3D printing scraper cleaning structure according to claim 2, characterized in that: One end of the first sprocket (12) is rotatably connected to the first sliding groove (4).

4. A 3D printing scraper cleaning structure according to claim 2, characterized in that: One end of the second sprocket (15) is rotatably connected to the first movable groove (11).

5. A 3D printing scraper cleaning structure according to claim 2, characterized in that: The output shaft of the motor (20) is rotationally connected to the third sliding groove (16).

6. A 3D printing scraper cleaning structure according to claim 1, characterized in that: The drive assembly comprises: A second threaded rod (21), the second threaded rod (21) is threadedly connected in the second sliding block (9) and is rotatably connected to the second sliding groove (8), the top end of the second threaded rod (21) is fixedly connected to a rotating rod (22), and the top end of the rotating rod (22) passes through the second sliding groove (8) and extends to the outside to be rotatably connected to the sliding plate (7).

7. A 3D printing scraper cleaning structure according to claim 1, characterized in that: Also includes: A through groove (23) is provided on the top surface of the processing platform (2); a slot (24) communicating with the outside is provided on the inner wall of the through groove (23); a waste box (25) is inserted into the slot (24).

8. A 3D printing scraper cleaning structure according to claim 1, characterized in that: One side of the scraper (10) is arranged in an inclined manner.

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