Dustproof shield for photocuring 3D printing

Abstract

The utility model belongs to the technical field of photocuring 3D printers, and particularly relates to a dust-proof shield for photocuring 3D printing, which comprises a photocuring 3D printer body and a dust-proof shield, the dust-proof shield is fixedly connected to the photocuring 3D printer body, one side of the dust-proof shield is provided with a first through groove communicated with an inner cavity of the dust-proof shield, and the other side of the dust-proof shield is provided with a second through groove communicated with the inner cavity of the dust-proof shield. An inserting groove is formed in the inner wall of the first through groove, a baffle is slidably connected into the first through groove, an inserting block is fixedly connected to the baffle, and one end of the inserting block extends into the inserting groove and is in inserting fit with the inserting groove; the fixing assembly is located in the dust shield and used for fixing the insertion block; the fixed box is fixedly connected to the other side of the dustproof shield, a second through groove communicated with the outside is formed in the fixed box, and the problems that when the photocuring first through groove D printer is used, superfine particle dust is possibly generated, and the particles are very small, can penetrate into the lung and possibly have negative effects on health are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of light-curing 3D printers, and in particular relates to a dust-proof protective cover for light-curing 3D printing. Background Art

[0002] A photocurable 3D printer is a 3D printer that uses photocuring technology to create objects. It uses special resins or photosensitive materials as printing materials, which are sensitive to ultraviolet light or other specific wavelengths of light. During the printing process, the ultraviolet light source in the printer irradiates the photosensitive resin, solidifying it layer by layer, thereby gradually building a three-dimensional object.

[0003] For example, the Chinese patent with the publication number CN218227876U discloses a light-curing 3D printer, which includes: a printing platform, a printing component, a material tank and a detection component; wherein the printing component, the material tank and the detection component are all fixed on the top of the printing platform, the outside of the material tank is fixedly connected to one side of the detection component, and the detection component is provided with a liquid level detection circuit; the printing platform is used to provide resin to the material tank; the liquid level detection circuit is used to obtain the predicted consumption volume range of the resin and the actual consumption volume of the resin, and judge whether the printing fails according to the actual consumption volume and the predicted consumption volume range. Since the utility model detects the actual consumption volume of the resin in the material tank and compares it with the predicted consumption volume range, compared with the existing method of manual suspension, the operation of the utility model to detect the quality of the printed model is relatively simple, which improves work efficiency.

[0004] The above patent has the following problems:

[0005] This patent has some disadvantages when used, such as: when the above-mentioned light-curing 3D printer is in use, it may generate ultrafine dust particles, which are very small and can penetrate deep into the lungs and may have a negative impact on health. In view of this, we propose a dust shield for light-curing 3D printing. Utility Model Content

[0006] The purpose of the utility model is to provide a dust shield for photocuring 3D printing to solve the problems raised in the above background technology.

[0007] In view of this, the utility model provides a dust shield for light-curing 3D printing, comprising:

[0008] A light-curing 3D printer body and a dust shield, wherein the dust shield is fixedly connected to the light-curing 3D printer body, a first through slot communicating with the inner cavity of the dust shield is provided on one side of the dust shield, a slot is provided on the inner wall of the first through slot, a baffle is slidably connected in the first through slot, an insert is fixedly connected to the baffle, and one end of the insert extends into the slot and is plugged into the slot;

[0009] A fixing assembly, the fixing assembly is located in the dust shield and is used to fix the plug block;

[0010] A fixing box, the fixing box is fixedly connected to the other side of the dust shield, a second through slot connected to the outside is provided in the fixing box, a collecting box is inserted in the second through slot, a collecting slot connected to the second through slot is provided in the collecting box, and a dust filter is fixedly connected to the bottom surface of the inner wall of the collecting slot;

[0011] A limiting assembly, which is located in the fixing box and is used to fix the collecting box;

[0012] An air extraction pipeline, wherein the air extraction pipeline is fixedly connected to the dust shield, and one end of the air extraction pipeline is fixedly connected to the top surface of the fixing box, and the inner cavity of the air extraction pipeline is connected to the inner cavity of the dust shield and the inner cavity of the second through groove;

[0013] A fixing plate is fixedly connected to the light-curing 3D printer body and is located below the fixing box. An exhaust fan is fixedly connected to the top surface of the fixing plate, and an exhaust port of the exhaust fan is communicated with the inner cavity of the second through groove.

[0014] Based on the above structure, by setting the dust shield, the first through slot and the baffle, it is ensured that the baffle can slide in the first through slot, and the user can observe the printing situation on the light-curing 3D printer body through the observation window on the baffle, and ensure that the dust generated when the light-curing 3D printer body prints the model can be blocked by the dust shield and the baffle in the dust shield and cannot be dispersed to the outside, by setting the slot and the plug-in block, it is ensured that the plug-in block can be inserted into the slot, by setting the fixing component, it is ensured that the user can fix the plug-in block in the slot through the fixing component and cannot move, by setting the second through slot, the collection slot, the exhaust pipe and the exhaust fan, it is ensured that when the exhaust fan is started, the exhaust fan can suck out the dust in the dust shield through the second through slot, the collection slot and the exhaust pipe, by setting the second through slot and the collection box, it is ensured that the collection box can be inserted into the second through slot, by setting the limit component, it is ensured that the user can fix the collection box in the second through slot through the limit component, and by setting the dust filter net, it is ensured that when the exhaust fan sucks dust into the collection slot, the dust in the air can be filtered by the dust filter net in the collection slot.

[0015] In the above technical solution, further, the fixing assembly includes:

[0016] A first slide groove, wherein the first slide groove is provided on the inner wall of the slot, a latch is slidably connected in the first slide groove, and one end of the latch passes through the plug block and extends into the plug block to be plugged with the plug block, and a first spring fixed to the inner wall of the first slide groove is fixedly connected to the latch pin.

[0017] In this technical solution, it is ensured that the insert block can be fixed in the slot and cannot move.

[0018] In the above technical solution, further, the latch is in an "L" shape.

[0019] In this technical solution, it is ensured that the user can drive one end of the latch to move by pulling the other end of the latch.

[0020] In the above technical solution, further, the limit assembly includes:

[0021] Two second slide grooves, the two second slide grooves are symmetrically arranged on the inner wall of the second through groove, two plug rods are slidably connected in the two second slide grooves, and one end of the two plug rods respectively penetrates the collection box and extends into the collection box to be plugged with the collection box, the plug rods are fixedly connected with a second spring fixed to the inner wall of the second slide groove, and the plug rods are provided with an extrusion groove;

[0022] The third slide groove is provided in the fixed box and communicated with the two second slide grooves. An extrusion block is slidably connected in the third slide groove, and two ends of the extrusion block extend into the two extrusion grooves respectively.

[0023] In the technical solution, it is ensured that the collection box can be fixed in the second through groove and cannot move, so as to prevent the collection box from being moved due to external influences.

[0024] In the above technical solution, further, one end of the insertion rod is arranged at an angle.

[0025] In this technical solution, it is ensured that one end of the insertion rod can be squeezed by the collection box.

[0026] In the above technical solution, further, the two ends of the extrusion block are arranged obliquely, and the two ends of the extrusion block are respectively plugged and matched with the two extrusion grooves.

[0027] In the technical solution, it is ensured that the two ends of the extrusion block can respectively extrude the two extrusion grooves and can be respectively inserted into the two extrusion grooves.

[0028] In the above technical solution, further, an observation window is provided on the baffle.

[0029] In this technical solution, it is ensured that the user can observe the printing status of the printer body through the observation window arranged on the baffle.

[0030] In the above technical solution, further, the dust filter adopts a HEPA dust filter.

[0031] In this technical solution, it is ensured that the dust filter can remove particles with a diameter of more than . microns.

[0032] The beneficial effects of the utility model are:

[0033] 1. The dust shield for photocuring 3D printing ensures that the baffle can slide in the first slot by providing the dust shield, the first slot and the baffle. At the same time, the user can observe the printing situation on the photocuring 3D printer body through the observation window on the baffle, and ensure that the dust generated when the photocuring 3D printer body prints the model can be blocked by the dust shield and the baffle in the dust shield and cannot be dispersed to the outside. The slot and the plug block are provided to ensure that the plug block can be inserted into the slot. The fixed component is provided to ensure that the user can fix the plug block in the slot through the fixed component and cannot move it, which solves the problem that the photocuring first slot 3D printer may generate ultrafine dust particles when in use. These particles are very small and can penetrate into the lungs and may have a negative impact on health.

[0034] 2. The dust shield for photocuring 3D printing ensures that when the exhaust fan is started, the exhaust fan can suck out the dust in the dust shield through the second through slot, the collecting slot and the exhaust pipe, through the second through slot and the collecting box, the collecting box can be inserted into the second through slot, and the limit assembly can be used to fix the collecting box in the second through slot, and the dust filter can be used to filter the dust in the air through the dust filter in the collecting slot when the exhaust fan sucks the dust into the collecting slot. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 It is one of the overall structural schematic diagrams of the utility model;

[0036] Figure 2 It is a schematic diagram of the internal structure of the dust-proof protective cover of the utility model;

[0037] Figure 3 for Figure 1 The enlarged structural diagram at A in the middle;

[0038] Figure 4 This is the second schematic diagram of the overall structure of the utility model;

[0039] Figure 5 This is one of the internal structure diagrams of the fixing box of the utility model;

[0040] Figure 6 This is the second schematic diagram of the internal structure of the fixing box of the utility model.

[0041] The symbols in the figure are:

[0042] 1. Light-curing 3D printer body; 2. Dust shield; 3. First through slot; 4. Slot; 5. Baffle; 6. Insert block; 7. Fixing box; 8. Second through slot; 9. Collecting box; 10. Collecting slot; 11. Dust filter; 12. Exhaust duct; 13. Fixing plate; 14. Exhaust fan; 15. First slide slot; 16. Latch; 17. First spring; 18. Second slide slot; 19. Insert rod; 20. Second spring; 21. Extrusion slot; 22. Third slide slot; 23. Extrusion block. 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 6 As shown, this embodiment provides a dust shield for photocuring 3D printing, including:

[0050] A light-curing 3D printer body 1 and a dust shield 2, wherein the dust shield 2 is fixedly connected to the light-curing 3D printer body 1, a first through groove 3 communicating with the inner cavity of the dust shield 2 is provided on one side of the dust shield 2, a slot 4 is provided on the inner wall of the first through groove 3, a baffle 5 is slidably connected in the first through groove 3, an insert block 6 is fixedly connected to the baffle 5, and one end of the insert block 6 extends into the slot 4 and is plugged and matched with the slot 4;

[0051] A fixing assembly, which is located in the dust shield 2 and is used to fix the plug 6;

[0052] A fixing box 7, the fixing box 7 is fixedly connected to the other side of the dust shield 2, a second through slot 8 connected to the outside is provided in the fixing box 7, a collecting box 9 is inserted in the second through slot 8, a collecting slot 10 connected to the second through slot 8 is provided in the collecting box 9, and a dust filter 11 is fixedly connected to the bottom surface of the inner wall of the collecting slot 10;

[0053] A limiting component, which is located in the fixing box 7 and is used to fix the collecting box 9;

[0054] The exhaust pipe 12 is fixedly connected to the dust shield 2, and one end of the exhaust pipe 12 is fixedly connected to the top surface of the fixing box 7, and the inner cavity of the exhaust pipe 12 is connected to the inner cavity of the dust shield 2 and the inner cavity of the second through groove 8;

[0055] The fixing plate 13 is fixedly connected to the light-curing 3D printer body 1 and is located below the fixing box 7 . The top surface of the fixing plate 13 is fixedly connected to the exhaust fan 14 , and the exhaust port of the exhaust fan 14 is communicated with the inner cavity of the second through groove 8 .

[0056] Embodiment 2:

[0057] This embodiment provides a dust shield for photocuring 3D printing, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the fixing component includes:

[0058] The first slide groove 15 is provided on the inner wall of the slot 4, a latch 16 is slidably connected in the first slide groove 15, and one end of the latch 16 passes through the plug block 6 and extends into the plug block 6 to be plugged with the plug block 6, a first spring 17 fixed to the inner wall of the first slide groove 15 is fixedly connected to the latch 16.

[0059] Among them, when the dust in the dust shield 2 is absorbed clean, the user pulls the latch 16 by hand, allowing one end of the latch 16 to enter the first slide groove 15 from the plug block 6, and the latch 16 compresses the first spring 17. At this time, the fixation of the plug block 6 is released, and then the user slides the baffle 5 by hand to slide the baffle 5 in the first through groove 3, so that the baffle 5 drives the plug block 6 to be pulled out from the slot 4. When the baffle 5 slides to a suitable position, the user takes out the model printed in the light-curing 3D printer body 1 by hand, and then the user slides the baffle 5 in the opposite direction by hand to drive the baffle 5 to insert the plug block 6 into the slot 4. Then the user releases the hand pulling the latch 16, allowing one end of the latch 16 to be inserted into the plug block 6 under the action of the rebound force of the first spring 17, ensuring that the plug block 6 can be fixed in the slot 4 and cannot move.

[0060] Embodiment 3:

[0061] This embodiment provides a dust shield for photocuring 3D printing, which, in addition to the technical solutions of the above embodiments, also has the following technical features: the latch 16 is in an "L" shape.

[0062] Here, it is ensured that the user can drive one end of the latch 16 to move by pulling the other end of the latch 16 .

[0063] Embodiment 4:

[0064] This embodiment provides a dust shield for photocuring 3D printing, which, in addition to the technical solutions of the above embodiments, also has the following technical features, and the limit assembly includes:

[0065] Two second slide grooves 18, the two second slide grooves 18 are symmetrically opened on the inner wall of the second through groove 8, two plug rods 19 are slidably connected in the two second slide grooves 18, and one end of the two plug rods 19 respectively penetrates the collection box 9 and extends into the collection box 9 to be plugged with the collection box 9, a second spring 20 fixed to the inner wall of the second slide groove 18 is fixedly connected to the plug rod 19, and an extrusion groove 21 is opened on the plug rod 19;

[0066] The third slide groove 22 is provided in the fixing box 7 and communicated with the two second slide grooves 18 . An extrusion block 23 is slidably connected in the third slide groove 22 , and two ends of the extrusion block 23 extend into the two extrusion grooves 21 respectively.

[0067] When the user needs to clean the dust in the collecting tank 10, the user presses the squeezing block 23 with his hand, allowing the squeezing block 23 to squeeze the two squeezing grooves 21 along the third slide groove 22, so that one end of the two insertion rods 19 enters the two second slide grooves 18 from the collecting box 9 respectively and compresses the two second springs 20 respectively. At this time, the fixation of the collecting box 9 is released, and then the user pulls the collecting box 9 out of the second through groove 8 by hand, and then the user releases the hand pressing the squeezing block 23, allowing one end of the two insertion rods 19 to enter the second through groove 8 from the two second slide grooves 18 respectively under the action of the rebound force of the two second springs 20, and then the user can collect the dust. The dust in the collecting groove 10 is cleaned. After cleaning, the user reinserts the collecting box 9 into the second through groove 8. When the collecting box 9 is inserted into the second through groove 8, the collecting box 9 will squeeze one end of the two plug rods 19, allowing the two plug rods 19 to enter the two second slide grooves 18 from the second through groove 8 respectively and compress the two second springs 20 respectively. When the collecting box 9 completely enters the second through groove 8, one end of the two plug rods 19 will be respectively affected by the rebound force of the two second springs 20 and enter the collecting box 9 from the two second slide grooves 18, ensuring that the collecting box 9 can be fixed in the second through groove 8 and cannot move, preventing the collecting box 9 from being moved by external influences.

[0068] Embodiment 5:

[0069] This embodiment provides a dust shield for photocuring 3D printing. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the insertion rod 19 is inclined.

[0070] Here, it is ensured that one end of the insertion rod 19 can be squeezed by the collection box 9 .

[0071] Embodiment 6:

[0072] The present embodiment provides a dust shield for photocuring 3D printing. In addition to the technical solutions of the above embodiments, it also has the following technical features: the two ends of the extrusion block 23 are arranged at an angle, and the two ends of the extrusion block 23 are respectively plugged into and matched with the two extrusion grooves 21.

[0073] It is ensured that both ends of the extrusion block 23 can respectively extrusion the two extrusion grooves 21 and can be respectively inserted into the two extrusion grooves 21 .

[0074] Embodiment 7:

[0075] This embodiment provides a dust shield for photocuring 3D printing. In addition to the technical solutions of the above embodiments, it also has the following technical features: an observation window is provided on the baffle 5.

[0076] The user is ensured to observe the printing status of the printer body 1 through the observation window arranged on the baffle 5 .

[0077] Embodiment 8:

[0078] This embodiment provides a dust shield for photocuring 3D printing. In addition to the technical solutions of the above embodiments, it also has the following technical features: the dust filter 11 adopts a HEPA dust filter.

[0079] The dust filter 11 is ensured to remove particles with a diameter of more than 0.3 microns.

[0080] When in use, the user starts the light-curing 3D printer body 1 and allows the light-curing 3D printer body 1 to print out the required model. After printing is completed, the user starts the exhaust fan 14 and allows the exhaust fan 14 to extract the dust generated after printing in the light-curing 3D printer body 1 through the second through slot 8, the collecting slot 10 and the exhaust pipe 12. When the dust enters the collecting slot 10, the dust entering the collecting slot 10 will be filtered by the dust filter 11, so that the dust stays in the collecting slot 10 and is collected. At the same time, the air will be discharged to the outside. When the dust in the dust shield 2 is absorbed, the user pulls the latch 16 by hand to allow one end of the latch 16 to be removed from the plug block 6. The first spring 17 is compressed by the latch 16, and the fixing of the plug 6 is released. Then, the user slides the baffle 5 by hand to slide the baffle 5 in the first through slot 3, so that the baffle 5 drives the plug 6 to be pulled out of the slot 4. When the baffle 5 slides to a suitable position, the user takes out the model printed in the light-curing 3D printer body 1 by hand, and then slides the baffle 5 in the opposite direction by hand to drive the plug 6 to be inserted into the slot 4. Then, the user releases the hand pulling the latch 16, so that one end of the latch 16 is inserted into the plug 6 by the rebound force of the first spring 17, ensuring that the plug 6 can be fixed in the slot 4 and cannot move.

[0081] When the user needs to clean the dust in the collection tank 10, the user presses the squeezing block 23 with his hand, allowing the squeezing block 23 to squeeze the two squeezing grooves 21 along the third slide groove 22, so that one end of the two insertion rods 19 enters the two second slide grooves 18 from the collection box 9 respectively and compresses the two second springs 20 respectively. At this time, the fixation of the collection box 9 is released, and then the user pulls the collection box 9 out of the second through groove 8 by hand, and then the user releases the hand pressing the squeezing block 23, allowing one end of the two insertion rods 19 to enter the second through groove 8 from the two second slide grooves 18 respectively under the action of the rebound force of the two second springs 20, and then the user can clean the collection tank. When the collecting box 9 is completely inserted into the second through slot 8, one end of the two plug rods 19 will be respectively affected by the rebound force of the two second springs 20 and enter the collecting box 9 from the two second slide grooves 18, thereby ensuring that the collecting box 9 can be fixed in the second through slot 8 and cannot move, thereby preventing the collecting box 9 from being moved by the external influence.

[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 dust shield for photocuring 3D printing, characterized in that: include: A light-curing 3D printer body (1) and a dust shield (2), wherein the dust shield (2) is fixedly connected to the light-curing 3D printer body (1), a first through slot (3) communicating with an inner cavity of the dust shield (2) is provided on one side of the dust shield (2), a slot (4) is provided on the inner wall of the first through slot (3), a baffle (5) is slidably connected in the first through slot (3), an insert block (6) is fixedly connected to the baffle (5), and one end of the insert block (6) extends into the slot (4) and is plugged into the slot (4); A fixing assembly, the fixing assembly being located in the dust shield (2) and being used to fix the plug block (6); A fixing box (7), the fixing box (7) being fixedly connected to the other side of the dust shield (2), the fixing box (7) being provided with a second through slot (8) communicating with the outside, the second through slot (8) being inserted with a collecting box (9), the collecting box (9) being provided with a collecting slot (10) communicating with the second through slot (8), the inner wall bottom surface of the collecting slot (10) being fixedly connected with a dust filter (11); A limiting assembly, the limiting assembly is located in the fixing box (7) and is used to fix the collecting box (9); An air extraction pipe (12), the air extraction pipe (12) being fixedly connected to the dust shield (2), and one end of the air extraction pipe (12) being fixedly connected to the top surface of the fixing box (7), the inner cavity of the air extraction pipe (12) being connected to the inner cavity of the dust shield (2) and the inner cavity of the second through groove (8); A fixing plate (13), the fixing plate (13) is fixedly connected to the light-curing 3D printer body (1) and is located below the fixing box (7); the top surface of the fixing plate (13) is fixedly connected to an exhaust fan (14), and the exhaust port of the exhaust fan (14) is in communication with the inner cavity of the second through groove (8).

2. The dust shield for light-curing 3D printing according to claim 1, characterized in that: The fixing assembly comprises: A first slide groove (15), wherein the first slide groove (15) is provided on the inner wall of the slot (4), a latch (16) is slidably connected in the first slide groove (15), and one end of the latch (16) passes through the plug block (6) and extends into the plug block (6) to be plugged and matched with the plug block (6), and a first spring (17) fixed to the inner wall of the first slide groove (15) is fixedly connected to the latch pin (16).

3. The dust shield for light-curing 3D printing according to claim 2, characterized in that: The latch (16) is in an "L" shape.

4. The dust shield for light-curing 3D printing according to claim 1, characterized in that: The limiting component comprises: Two second slide grooves (18), the two second slide grooves (18) are symmetrically arranged on the inner wall of the second through groove (8), two insertion rods (19) are slidably connected in the two second slide grooves (18), and one end of the two insertion rods (19) respectively penetrates the collection box (9) and extends into the collection box (9) to be plugged and matched with the collection box (9), the insertion rod (19) is fixedly connected with a second spring (20) fixed to the inner wall of the second slide groove (18), and the insertion rod (19) is provided with an extrusion groove (21); A third slide groove (22), the third slide groove (22) is arranged in the fixed box (7) and is connected to the two second slide grooves (18), an extrusion block (23) is slidably connected in the third slide groove (22), and two ends of the extrusion block (23) extend into the two extrusion grooves (21) respectively.

5. The dust shield for photocuring 3D printing according to claim 4, characterized in that: One end of the insertion rod (19) is arranged in an inclined manner.

6. The dust shield for light-curing 3D printing according to claim 4, characterized in that: The two ends of the extrusion block (23) are arranged obliquely, and the two ends of the extrusion block (23) are respectively plugged into and matched with the two extrusion grooves (21).

7. The dust shield for light-curing 3D printing according to claim 1, characterized in that: The baffle (5) is provided with an observation window.

8. The dust shield for light-curing 3D printing according to claim 1, characterized in that: The dust filter (11) is a HEPA dust filter.

Images