Three-dimensional forming equipment

Abstract

The utility model provides three-dimensional forming equipment. The three-dimensional forming equipment comprises a machine shell, an intermediate plate is arranged in the machine shell to divide the inner space of the machine shell into a first space and a second space, a first ventilation hole and a second ventilation hole are formed in the intermediate plate, and an air outlet communicating with the second space is formed in the machine shell; the airflow purification assembly comprises a first purifier, an air duct and an airflow driving part, the first purifier is arranged in the first space or the second space and covers the first ventilation hole, and the air duct communicates with the air outlet, the first ventilation hole and the second ventilation hole; the airflow driving part is used for driving air in the first space to enter the air duct through the first purifier and the first ventilation hole; the air cover is movably connected with the machine shell so as to open or close the air outlet. Therefore, harmful gas generated by photocuring forming can be purified and filtered, the air outlet can be selectively opened or closed through the air cover so as to select different purification modes, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of printing equipment, in particular to a three-dimensional molding equipment. Background Art

[0002] Stereoscopic molding equipment is a kind of cumulative manufacturing technology and a machine of rapid prototyping technology. It is based on a digital model file and uses special wax materials, powdered metal or plastic and other adhesive materials to print multiple layers of adhesive materials in sequence to create three-dimensional objects.

[0003] Among them, the photocuring three-dimensional molding equipment adopts photocuring printing technology. Photocuring uses photosensitive resin as raw material, and focuses light of specific wavelength and intensity onto the surface of the photocuring material to solidify it from point to line, and from line to surface in sequence, completing the solidification of one layer, and then drives the molding platform to move in the vertical direction by the lifting mechanism to the height of a layer, and then solidifies another layer, and stacks them layer by layer on the molding platform to form a three-dimensional entity.

[0004] Since the temperature of the three-dimensional molding equipment is relatively high during operation, the photosensitive resin tends to emit toxic gases during the curing process, which has certain adverse effects on the health of the workers and the external environment. Utility Model Content

[0005] In view of this, the utility model provides a three-dimensional molding device, which can purify and filter the harmful gases generated by photocuring molding, reduce the pollution of the harmful gases generated by photocuring molding to the external environment and the harm to the health of users. At the same time, according to the actual application scenario, the air outlet can be selectively opened or closed using the wind cover to select different purification methods, and has a wide range of uses.

[0006] An embodiment of the utility model provides a three-dimensional forming device, comprising: a casing, an intermediate plate is arranged inside the casing to separate the internal space of the casing into a first space and a second space, the intermediate plate is provided with a first ventilation hole and a second ventilation hole, and the casing is provided with an air outlet connected to the second space; an air flow purification component, comprising a first purifier, an air duct, and an air flow driving member, the first purifier is arranged in the first space or the second space and covers the first ventilation hole, the air duct is respectively connected to the air outlet, the first ventilation hole, and the second ventilation hole, the air flow driving member is used to drive the air in the first space to flow into the air duct through the first purifier and the first ventilation hole, or to drive the air in the first space to enter the air duct through the first ventilation hole and the first purifier; an air cover, movably connected to the casing to open or close the air outlet.

[0007] Further, the first end of the air duct is connected to the air outlet, the second end of the air duct is connected to the first ventilation hole, and the third end of the air duct is connected to the second ventilation hole; or, the first end of the air duct is connected to the air outlet, and the second end of the air duct is connected to the first ventilation hole and the second ventilation hole; wherein the airflow driving member is configured to operate when the air outlet is opened, so that the airflow in the first space is discharged to the outside of the casing through the first purifier and the second ventilation hole, the air duct, and the air outlet; the airflow driving member is configured to operate when the air outlet is closed, so that the airflow in the first space is returned to the first space through the first purifier, the air duct, and the second ventilation hole.

[0008] Furthermore, the airflow purification component also includes a second purifier, which is located outside the casing and is configured to be connected to the air outlet.

[0009] Furthermore, the first purifier is arranged in the first space; the first purifier includes: a cabinet, a drawer and a replacement filter element, the cabinet is connected to the middle plate, the cabinet is provided with a first air flow channel connecting the first space and the first ventilation hole, and a first operating port connected to the first air flow channel, the drawer is movably connected to the cabinet through the first operating port so that the drawer is located in the first air flow channel or detached from the first air flow channel, and the replacement filter element can be placed in the drawer or taken out of the drawer.

[0010] Furthermore, the first air flow channel includes a first air flow inlet and an air flow outlet opened in the cabinet, the first air flow inlet is connected to the first space, and the air flow outlet is connected to the first ventilation hole; the drawer is provided with a second air flow channel that can be connected to the first air flow channel, and a delivery port connected to the second air flow channel, and the replacement filter element is placed in the second air flow channel or taken out from the second air flow channel through the delivery port.

[0011] Furthermore, a first air flow inlet is provided on the top of the cabinet, an air flow outlet is provided on the bottom of the cabinet, and a first operating port is provided on the side of the cabinet; a delivery port is provided on the top of the drawer, and a first air outlet opposite to the air flow outlet is provided on the bottom of the drawer, and the drawer between the delivery port and the first air outlet is configured as a second air flow channel.

[0012] Furthermore, a first air flow inlet is formed on the side wall of the cabinet; and / or a second air outlet is formed on the side wall of the drawer, and the drawer between the second air outlet and the first air outlet is configured as a second air flow channel.

[0013] Furthermore, the three-dimensional forming equipment also includes: an automatic feeding component, including a shell located in the first space, the shell is connected to the middle plate and covers the first ventilation hole, the cabinet is arranged in the shell, a second operating port is opened at a position opposite to the first operating port of the shell, and the shell is opened with a second air flow inlet for connecting with the first air flow inlet.

[0014] Furthermore, the automatic feeding assembly also includes: a feeder and a feed pipe, the feeder is installed inside the shell and located above the cabinet, and the feed pipe located inside the shell is connected to the feeder outside the cabinet.

[0015] Furthermore, the feed pipe includes a discharge end and a feed end. The discharge end is passed through the shell through the feed machine from the inside of the shell and extends into the first space. The feed end is passed through the middle plate from the inside of the shell, passes through the shell through the second space and extends to the outside of the shell.

[0016] Furthermore, the air cover and the feed end are located on the same side of the casing.

[0017] Furthermore, the second air flow inlet is opened on the side wall of the shell and is located below the feeder.

[0018] Furthermore, the three-dimensional forming device also includes: a sealing member, which is arranged between the wind cover and the air outlet to seal the gap between the wind cover and the air outlet when the wind cover closes the air outlet.

[0019] Furthermore, the airflow driving member is connected to the bottom of the middle plate and is opposite to the first ventilation hole; the first end of the air duct is detachably connected to the casing around the air outlet, and the second end of the air duct is detachably connected to the middle plate, and the first ventilation hole and the second ventilation hole are located inside the second end; wherein the air outlet is opened on the side wall of the casing, and the air duct is configured as a bent structure.

[0020] Furthermore, the casing includes a base and a cover body movably connected to the base, the base includes a middle plate located at the top, and a seat body which forms a second space with the middle plate, and the middle plate and the cover body form a first space.

[0021] The three-dimensional molding device provided by the embodiment of the utility model includes a housing, an airflow purification component and an air cover. A first vent hole and a second vent hole are opened on the middle plate in the housing to connect the first space and the second through hole, and an air outlet connected to the second space is opened on the housing. The first purifier of the airflow purification component is arranged in the first space and covered at the first vent hole. The air duct connects the first vent hole, the second vent hole and the air outlet. The airflow driving member is used to drive the air in the first space to flow into the air duct through the first purifier and the first vent hole. Thus, the air cover is used to reasonably control the opening or closing state of the air outlet, so that the airflow in the air duct can be discharged to the outside of the housing through the opened air outlet, or the airflow in the air duct can continue to circulate inside the housing through the closed air outlet. Thus, the harmful gas generated by the photocuring molding can be subjected to external purification operation or internal purification operation, and the adverse effects of the harmful gas generated during the photocuring process on the external environment and the health of the user can be reduced, thereby improving the safety of the three-dimensional molding device, improving the user's satisfaction, and ensuring a good purification effect.

[0022] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Various other advantages and benefits will become apparent to those skilled in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only used for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present invention. In addition, the same reference symbols are used throughout the accompanying drawings to represent the same components. Among them:

[0024] Figure 1 A partial structural schematic diagram showing a perspective of a first purifier of the three-dimensional forming device of the present invention in an open state;

[0025] Figure 2 Shows Figure 1 An exploded schematic diagram of one perspective of the illustrated embodiment;

[0026] Figure 3 Shows Figure 2 A partial enlarged schematic diagram of A in the illustrated embodiment;

[0027] Figure 4 A partial structural schematic diagram showing a perspective of a first purifier of the three-dimensional forming device of the present invention in a closed state;

[0028] Figure 5 A partial structural schematic diagram showing another perspective of the drawer of the first purifier of the three-dimensional forming device of the utility model in a closed state;

[0029] Figure 6 A cross-sectional view showing a perspective of the three-dimensional forming device of the present invention with the air flow outlet in a closed state;

[0030] Figure 7 A cross-sectional view showing a perspective of the three-dimensional forming device of the present invention with the air flow outlet in an open state;

[0031] Figure 8 A structural schematic diagram of a three-dimensional forming device of the utility model is shown from one viewing angle.

[0032] in, Figures 1 to 8 The corresponding relationship between the reference numerals and the component names is as follows:

[0033] 001 three-dimensional molding equipment, 100 housing, 110 base, 111 middle plate, 112 seat body, 120 first space, 130 second space, 140 first ventilation hole, 150 second ventilation hole, 160 air outlet, 170 cover body, 180 material pipe mouth, 200 air flow purification component, 210 first purifier, 211 cabinet, 2111 first air flow inlet, 2112 first operation port, 2113 air flow outlet, 212 drawer, 2 121 delivery port, 2122 second air outlet, 213 replacement filter element, 220 air duct, 221 first end, 222 second end, 230 air flow drive member, 240 connecting pipeline, 300 air cover, 400 automatic feeding assembly, 410 shell, 411 second operation port, 412 second air flow inlet, 420 feeding pipe, 421 feeding end, 422 discharging end, 430 feeding machine, 500 sealing member, 600 material trough, 700 guide frame. DETAILED DESCRIPTION

[0034] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0035] Refer to the following Figures 1 to 8 The three-dimensional molding device 001 provided according to some embodiments of the present invention is described, wherein the three-dimensional molding device 001 can be a light-curing three-dimensional printer.

[0036] like Figure 1 , Figure 4 and Figure 8 As shown, an embodiment of the utility model provides a three-dimensional forming device 001, comprising: a housing 100, wherein an intermediate plate 111 is arranged inside the housing 100 to separate the internal space of the housing 100 into a first space 120 and a second space 130, wherein the intermediate plate 111 is provided with a first ventilation hole 140 and a second ventilation hole 150, and the housing 100 is provided with an air outlet 160 communicating with the second space 130; an airflow purification component 200, comprising a first purifier 210, an air duct 220, and an airflow driving member 230, wherein the first purifier 210 is arranged in the first air duct 220, and an airflow driving member 230. The air duct 220 is connected to the air outlet 160, the first ventilation hole 140 and the second ventilation hole 150 respectively. The air flow driving member 230 is used to drive the air in the first space 120 to enter the air duct 220 through the first purifier 210 and the first ventilation hole 140, or to drive the air in the first space 120 to enter the air duct 220 through the first ventilation hole 140 and the first purifier 210; the air cover 300 is movably connected to the casing 100 to open or close the air outlet 160.

[0037] Among them, Figure 1 and Figure 4 As shown, the housing 100 can be understood as the entire body shell of the three-dimensional molding device 001. The three-dimensional molding device 001 also includes a material trough 600, a molding platform, a guide frame 700, etc. The material trough 600 is used to accommodate photocurable resin. The molding platform is movably connected to the guide frame 700 and can move along the guide frame 700 to approach or move away from the material trough 600. Therefore, by utilizing photocuring technology, light of a specific wavelength and intensity is focused on the resin in the material trough 600, so that the resin is solidified on the molding platform. After completing the curing of one layer, the molding platform is moved upward along the guide frame 700 to the height of a layer, and then another layer is cured, and the layers are stacked on the molding platform in sequence to form a three-dimensional entity.

[0038] Among them, Figure 1 and Figure 8 As shown, the middle plate 111 divides the internal space of the housing 100 into a first space 120 and a second space 130, and the molding platform and the material tank 600 can be located in the first space 120. In this way, during the light-curing molding process, the toxic gas emitted by the resin curing will remain in the first space 120. When the user takes out the printed model from the molding platform, the toxic gas in the first space 120 will cause damage to the user's health. At the same time, the toxic gas flowing into the external environment will cause environmental pollution. Among them, as an option, the first purifier 210 is arranged in the first space 120, and the airflow driving member 230 is used to drive the air in the first space 120 to pass through the first purifier 210 and the first ventilation hole 140 into the air duct 220, so as to facilitate the replacement of the first purifier 210.

[0039] In the present application, the first purifier 210 is covered on the first ventilation hole 140, which means that the first purifier 210 is directly or indirectly connected to the intermediate plate 111 corresponding to the first ventilation hole 140, so that air can pass through the first purifier 210 and the first ventilation hole 140 in sequence, or pass through the first ventilation hole 140 and the first purifier 210 in sequence.

[0040] In view of this, if Figure 1 Figure 2 and Figure 3As shown, the three-dimensional forming device 001 provided by the embodiment of the utility model includes a housing 100, an airflow purification component 200 and an air cover 300. A first ventilation hole 140 and a second ventilation hole 150 communicating with the first space 120 and the second space 130 are provided on the middle plate 111 inside the housing 100, so that the airflow of the first space 120 and the airflow of the second space 130 can circulate through the first ventilation hole 140 and the second ventilation hole 150. By providing an air outlet 160 communicating with the second space 130 on the housing 100, and opening or closing the air outlet 160 through the air cover 300, the airflow in the second space 130 can circulate with the external environment through the opened air outlet 160.

[0041] The airflow purification assembly 200 includes a first purifier 210, an air duct 220, and an airflow driving member 230. The first purifier 210 is arranged in the first space 120 or the second space 130 and covers the first ventilation hole 140. The air duct 220 is respectively connected to the air outlet 160, the first ventilation hole 140 and the second ventilation hole 150. The airflow driving member 230 is used to drive the air in the first space 120 to enter the air duct 220 through the first purifier 210 and the first ventilation hole 140, or to drive the air in the first space 120 to enter the air duct 220 through the first ventilation hole 140 and the first purifier 210. Thus, the airflow driving member 230 works, so that the first purifier 210 can purify the airflow flowing into the air duct 220 through the first space 120, and reduce the possibility of harmful substances in the airflow flowing through the first purifier 210 flowing into the air duct 220. Since the wind cover 300 can open or close the air outlet 160, the wind cover 300 can be used to reasonably control the opening or closing state of the air outlet 160 as needed, so that the airflow in the air duct 220 can be discharged to the outside of the casing 100 through the opened air outlet 160, or the airflow in the air duct 220 can continue to flow inside the casing 100 through the closed air outlet 160. As a result, the harmful gases generated by the photocuring molding can be purified externally or internally, and the adverse effects of the harmful gases generated during the photocuring process on the external environment and the health of users can be reduced, thereby improving the safety of the use of the three-dimensional molding equipment, improving user satisfaction, and ensuring a good purification effect.

[0042] In some examples, the first end 221 of the air duct 220 is in communication with the air outlet 160, the second end 222 of the air duct 220 is in communication with the first vent 140, and the third end of the air duct 220 is in communication with the second vent 150. In this example, the air duct 220 is a three-way structure, and the three ports of the air duct 220 are respectively in communication with the air outlet 160, the first vent 140, and the second vent 150, so that the air outlet 160, the first vent 140, and the second vent 150 can be interconnected.

[0043] In other examples, the first end 221 of the air duct 220 is connected to the air outlet 160, and the second end 222 of the air duct 220 is connected to the first ventilation hole 140 and the second ventilation hole 150. In this example, the air duct 220 is a two-way structure, and the first port of the air duct 220 is connected to the air outlet 160, and the second port is connected to the first ventilation hole 140 and the second ventilation hole 150 at the same time, so that the air outlet 160, the first ventilation hole 140, and the second ventilation hole 150 can be connected to each other. With this arrangement, the air duct 220 has a simple structure and simplifies the connection port, thereby simplifying the connection operation of the air duct, which is conducive to improving the assembly efficiency of the three-dimensional molding equipment.

[0044] In some possible implementations provided by the present utility model, such as Figure 7 As shown, when the air cover 300 opens the air outlet 160, that is, when the second space 130 is connected to the external environment through the air outlet 160, the airflow driving member 230 works, so that part of the airflow in the first space 120 flows into the air duct 220 through the first purifier 210 and the first ventilation hole 140, and part of the airflow in the first space 120 flows into the first air duct 220 through the second ventilation hole 150, and then the two parts of the airflow are discharged from the opened air outlet 160 through the air duct 220 to the outside of the casing 100. Since the first purifier 210 has a purifying and filtering effect on the airflow, it can reduce the harmful substances in the airflow flowing through the first purifier 210, so that the first purifier 210 can purify the airflow flowing into the air duct 220 through the first space 120, reduce the presence of harmful substances in the airflow discharged from the first space 120 through the air duct 220 and the air outlet 160 to the external environment, reduce pollution to the environment, and at the same time, reduce harm to the health of the user. It is understandable that this purification method can be understood as an external purification operation for the harmful gases generated by photocuring. This purification method is suitable for scenes where the space where the stereolithography equipment 001 is located is relatively spacious and the airflow in the external environment is relatively smooth. Figure 7 The direction indicated by the arrow is the direction of air flow.

[0045] It can be understood that the wind flow area of ​​the first ventilation hole 140 can be larger than the wind flow area of ​​the second ventilation hole 150, and the wind flow area of ​​the first purifier 210 can be less than or equal to the wind flow area of ​​the first ventilation hole 140, and larger than the wind flow area of ​​the second ventilation hole 150. In this way, it can be ensured that most of the airflow in the first space 120 flows into the air duct 220 through the first purifier 210 and the first ventilation hole 140, and a small part of the airflow in the first space 120 flows into the air duct 220 through the second ventilation hole 150. As a result, the purification ratio of the airflow in the first space 120 can be increased, so that a larger part of the airflow in the first space 120 flows into the external environment after being purified by the first purifier 210, so as to further reduce the pollution to the external environment and reduce the harm to the health of the user.

[0046] like Figure 6 As shown, when the air cover 300 closes the air outlet 160, that is, when the second space 130 is not connected to the external environment, the airflow driving member 230 works, so that the airflow in the first space 120 can flow into the air duct 220 through the first purifier 210 and the first ventilation hole 140, and return to the first space 120 through the second ventilation hole 150. Thus, the first purifier 210 can purify the airflow flowing into the air duct 220 through the first space 120, and the purified airflow returns to the first space 120 through the second ventilation hole 150, so that the airflow returned to the first space 120 through the air duct 220 is relatively clean and safe, and the presence of harmful substances in the airflow in the first space 120 can be greatly reduced. In this way, when the user takes out the printed model from the first space 120, the pollution to the external environment can be reduced, and the harm to the user's health can be reduced. It is understandable that this purification method can be understood as a built-in purification operation for the harmful gases generated by photocuring molding. This purification method is suitable for scenes where the space where the stereolithography equipment 001 is located is relatively small and the airflow in the external environment is not smooth. Figure 6 The direction indicated by the arrow is the direction of air flow.

[0047] The three-dimensional forming device 001 provided in this embodiment is provided with a first ventilation hole 140 and a second ventilation hole 150 connected to the first space 120 and the second space 130 on the middle plate 111 in the housing 100, and an air outlet 160 connected to the second space 130 is provided on the housing 100, and the first purifier 210 of the air flow purification component 200 is arranged in the first space 120 and covered at the first ventilation hole 140, the air duct 220 connects the first ventilation hole 140 and the second ventilation hole 150 with the air outlet 160, and the air flow driving member 230 is located in the air duct 220 and opposite to the first ventilation hole 140. Therefore, by using the wind cover 300 to open or close the air outlet 160, external purification or internal purification of the harmful gases generated by photocuring molding can be achieved when the airflow driving member 230 is working, thereby reducing the pollution of the external environment by the harmful gases generated by photocuring molding, and reducing the harm of the harmful gases generated by photocuring molding to the health of the user. At the same time, the user or the system of the three-dimensional molding equipment 001 can use the wind cover 300 to selectively open or close the air outlet 160 according to the specific situation and actual application scenario to select different purification methods. It has a wide range of uses, strong practicality, and is suitable for popularization and application.

[0048] Among them, the air cover 300 is movably connected to the casing 100, and the air cover 300 and the casing 100 can be pivotally connected, plug-in, snap-connected, mortise and tenon connected, magnetically connected, threadedly connected, etc., so as to realize the movement of the air cover 300 relative to the casing 100 to open or close the air outlet 160.

[0049] Among them, Figure 2 As shown, the airflow driving member 230 can be a fan, and the airflow driving member 230 is located at the first ventilation hole 140. For example, the airflow driving member 230 is opposite to the first ventilation hole 140, and the airflow driving member 230 is not opposite to the second ventilation hole 150. This arrangement can ensure that when the air cover 300 opens the air outlet 160, when the airflow driving member 230 is working, the airflow in the first space 120 flows into the air duct 220 through the first ventilation hole 140 and the second ventilation hole 150, that is, at this time, the second ventilation hole 150 serves as an air inlet to allow the airflow to enter the air duct 220 from the first space 120; when the air cover 300 closes the air outlet 160, when the airflow driving member 230 is working, the airflow in the first space 120 flows into the air duct 220 through the first ventilation hole 140, and returns to the first space 120 through the second ventilation hole 150, that is, at this time, the second ventilation hole 150 serves as an air outlet 160 to discharge the airflow from the air duct 220 to the first space 120. That is to say, by properly setting the position of the airflow driving member 230 , the second ventilation hole 150 has different functions when the air cover 300 is in different states of opening or closing the air outlet 160 .

[0050] like Figure 1 and Figure 8 As shown, in some possible embodiments provided by the present invention, the housing 100 includes a base 110 and a cover body 170 movably connected to the base 110, the base 110 includes a middle plate 111 located at the top, and a seat body 112 which together with the middle plate 111 encloses a second space 130, and the middle plate 111 and the cover body 170 enclose a first space 120.

[0051] It is understandable that the trough 600 can be placed on the middle plate 111 and located in the first space 120. The guide frame 700 is connected to the base 110 and extends into the first space 120. The molding platform is movably connected to the guide frame 700 and located in the first space 120 and above the trough 600. The air outlet 160 can be opened on the base body 112 of the base 110, and the air duct 220 of the airflow purification component 200 is installed in the base 110.

[0052] The cover 170 is movably connected to the base 110. Figure 8 As shown, the cover body 170 is connected to the base 110 so that the middle plate 111 and the cover body 170 enclose a closed first space 120, so that the harmful gas released during the printing process can be contained in the closed first space 120. It can be understood that when the airflow driving member 230 is working, such as Figure 6 As shown, when the air cover 300 closes the air outlet 160, the airflow driving member 230 operates to make the airflow in the first space 120 flow into the air duct 220 through the first purifier 210 and the first ventilation hole 140, and return to the first space 120 through the second ventilation hole 150. Thus, the first purifier 210 can be used to realize the built-in purification operation of the airflow in the first space 120. Figure 7 As shown, when the air cover 300 opens the air outlet 160, the airflow driving member 230 works to make part of the air in the first space 120 flow into the air duct 220 through the first purifier 210 and the first ventilation hole 140, and part of the air in the first space 120 flows into the air duct 220 through the second ventilation hole 150, and the air in the air duct 220 flows out to the external environment through the air outlet 160 on the base 110. Thus, the first purifier 210 can be used to realize the external purification operation of the airflow in the first space 120, so as to improve the cleanliness and safety of the airflow in the first space 120.

[0053] After printing is completed, the cover 170 is separated from the base 110, and the printed model can be removed from the molding platform in the first space 120. Since the airflow in the first space 120 is purified by the airflow purification component 200, harmful substances are greatly reduced, which is relatively clean and safe, thereby reducing adverse effects on users and the external environment.

[0054] like Figure 7 As shown, in some possible embodiments provided by the present invention, the airflow purification assembly 200 also includes a second purifier, the second purifier is located outside the housing 100, and the second purifier is configured to communicate with the air outlet 160.

[0055] Among them, the second purifier has the function of purifying and filtering the airflow, and can reduce the harmful substances in the airflow flowing through the second purifier. Since the second purifier is located outside the housing 100, when the air cover 300 opens the air outlet 160, the second purifier is connected to the opened air outlet 160, so that the airflow driving member 230 works, and can make part of the airflow in the first space 120 flow into the air duct 220 through the first purifier 210 and the first ventilation hole 140, and part of the airflow in the first space 120 flows into the air duct 220 through the second ventilation hole, and then the two parts of the airflow are discharged from the opened air outlet 160 to the outside of the housing 100 through the air duct 220, and are filtered and purified by the second purifier and discharged to the external environment, so as to realize the secondary purification of the airflow in the first space 120, thereby making the airflow flowing out of the housing 100 to the external environment cleaner and safer, greatly reducing the pollution to the external environment, reducing the health hazards to the user's body, and suitable for promotion and application.

[0056] It is understandable that when a second purifier is provided outside the housing 100 of the stereoscopic molding device 001, the stereoscopic molding device 001 can control the air cover 300 to open the air outlet 160 and connect the air outlet 160 to the second purifier, so as to purify and filter the harmful gases generated by light curing by means of external purification. It is understandable that the air cover 300 can also be controlled to close the air outlet 160, so as to purify and filter the harmful gases generated by light curing by means of internal purification.

[0057] Specifically, Figure 7 As shown, the three-dimensional forming device 001 also includes a connecting pipe 240. In some examples, the second purifier can be located in the connecting pipe 240, one end of the connecting pipe 240 is configured to communicate with the opened air outlet 160, and the other end of the connecting pipe 240 is connected to the external environment. Since the second purifier is located in the connecting pipe 240, the second purifier can purify the airflow discharged through the air outlet 160 again. In other examples, the first end 221 of the connecting pipe 240 can be connected to the air outlet 160, and the other end of the connecting pipe 240 can be connected to the second purifier, and the second purifier can be connected to the external environment. In this arrangement, the airflow discharged through the air outlet 160 flows to the second purifier through the connecting pipe, and is discharged to the external environment after being purified by the second purifier, so as to achieve the re-purification of the airflow discharged from the air outlet 160.

[0058] Among them, one end of the connecting pipe 240 can be connected to the housing 100 on the side of the air outlet 160, such as one end of the connecting pipe 240 can be connected to the seat body 112 on the side of the air outlet 160, so that one end of the connecting pipe 240 is connected to the air outlet 160. Specifically, one end of the connecting pipe 240 is detachably connected to the housing 100, so that when the air cover 300 opens the air outlet 160, one end of the connecting pipe 240 is connected to the housing 100 on the side of the air outlet 160, and the connecting pipe 240 is connected to the air outlet 160.

[0059] It is understandable that when the space where the stereoscopic molding device 001 is located is relatively large and a second purifier is provided, the air cover 300 can be opened to open the air outlet 160, the second purifier and the air outlet 160 can be connected, and the air flow driving member 230 can be used to perform external purification of harmful gases generated by light curing. When the space where the stereoscopic molding device 001 is located is relatively small and a second purifier is not provided, or the second purifier is not provided due to cost issues, the air cover 300 can be closed to close the air outlet, and the air flow driving member 230 can be used to perform internal purification of harmful gases generated by light curing.

[0060] The first purifier 210 and the second purifier may have different structures or the same structure.

[0061] like Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in some possible embodiments provided by the present invention, the first purifier 210 includes: a cabinet 211, a drawer 212 and a replacement filter element 213. The cabinet 211 is connected to the middle plate 111, and the cabinet 211 is provided with a first airflow channel connecting the first space 120 and the first ventilation hole 140, and a first operating port 2112 connected to the first airflow channel. The drawer 212 is movably connected to the cabinet 211 through the first operating port 2112 so that the drawer 212 is located in the first airflow channel or out of the first airflow channel, and the replacement filter element 213 can be placed in the drawer 212 or taken out from the drawer 212.

[0062] In this embodiment, if Figure 4 and Figure 5As shown, when the drawer 212 moves relative to the cabinet 211 and is located in the first air flow channel, the drawer 212 is in a closed state relative to the cabinet 211, that is, the drawer 212 closes the first operating port 2112. In this case, the air flow driving member 230 works, and the air flow in the first space 120 can pass through the first air flow channel, through the drawer 212 and into the air duct 220 from the first ventilation hole 140. The replacement filter element 213 placed in the drawer 212 can purify and filter the air flow passing through the drawer 212, so that the air flow flowing into the air duct 220 through the first space 120 is cleaner and safer, and the content of harmful substances in the air flow in the air duct 220 is reduced.

[0063] like Figure 1 , Figure 2 and Figure 3 As shown, when the cover body 170 is separated from the base 110 or the cover body 170 opens the first space 120, and the drawer 212 is moved relative to the cabinet body 211 to disengage from the first air flow channel, the drawer 212 is in an open state relative to the cabinet body 211, that is, the drawer 212 opens the first operating port 2112. At this time, the replacement filter element 213 placed in the drawer 212 can be taken out from the drawer 212, and a new replacement filter element 213 can be placed in the drawer 212, thereby realizing the replacement of the centrifugal filter, which is simple to operate and easy to use.

[0064] That is to say, in this embodiment, by setting the first purifier 210 as a drawer structure, it is convenient to replace the filter element 213 of the first purifier 210, which is simple to operate and easy to use. At the same time, it can ensure that the first purifier 210 has a good purification and filtering effect.

[0065] The replacement filter element 213 may include an adsorption material component, which is used to adsorb harmful substances in the airflow to achieve purification of the airflow.

[0066] The cabinet 211 and the middle plate 111 may be detachably connected, so that the cabinet 211 can be detached from the middle plate 111 for maintenance or replacement, which is beneficial to improving the maintenance efficiency of the cabinet 211. Specifically, the cabinet 211 can be detachably connected to the middle plate 111 by at least one of a bolt structure, a clamping structure, a mortise and tenon structure, a plug-in structure, and a magnetic structure.

[0067] like Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, in some possible embodiments provided by the present invention, the first airflow channel includes a first airflow inlet 2111 and an airflow outlet 2113 opened in the cabinet 211, the first airflow inlet 2111 is communicated with the first space 120, and the airflow outlet 2113 is communicated with the first ventilation hole 140. It can be understood that the first operation port 2112 is communicated with the first airflow inlet 2111 and the airflow outlet 2113. The drawer 212 is provided with a second airflow channel that can be communicated with the first airflow channel, and a delivery port 2121 that is communicated with the second airflow channel. The replacement filter element 213 is placed in the second airflow channel or taken out from the second airflow channel through the delivery port 2121.

[0068] Among them, the setting of the second air flow channel makes it possible for the air flow in the first space 120 to flow into the first air flow channel through the first air flow inlet 2111 when the drawer 212 is in a closed state, and then flow through the second air flow channel to flow to the first ventilation hole 140 through the air flow outlet 2113, thereby ensuring that the air flow flowing through the first air flow channel can flow through the replacement filter element 213 located in the second air flow channel, so as to achieve filtering and purification of the air flow flowing through the first air flow channel.

[0069] Among them, the setting of the delivery port 2121 makes it possible to conveniently and quickly replace the replacement filter element 213 by utilizing the delivery port 2121 when the drawer 212 is in an open state, and the operation is convenient.

[0070] like Figure 3 , Figure 4 As shown, in some possible embodiments provided by the utility model, a first air flow inlet 2111 is provided at the top of the cabinet 211, an air flow outlet 2113 is provided at the bottom of the cabinet 211, a first operating port 2112 is provided on the side wall of the cabinet 211, a delivery port 2121 is provided at the top of the drawer 212, a first air outlet opposite to the air flow outlet 2113 is provided at the bottom of the drawer 212, and the drawer 212 between the delivery port 2121 and the first air outlet is configured as a second air flow channel.

[0071] That is to say, Figure 3 , Figure 4 , Figure 5 As shown, when the drawer 212 is in a closed state, the airflow in the first space 120 flows into the cabinet 211 through the first airflow inlet 2111 at the top of the cabinet 211, flows through the replacement filter element 213 located in the drawer 212 through the delivery port 2121 at the top of the drawer 212, and flows into the air duct 220 in the second space 130 through the first air outlet at the bottom of the drawer 212 and the airflow outlet 2113 at the bottom of the cabinet 211 through the first ventilation hole 140. In this process, the airflow will flow through the replacement filter element 213 to achieve a purification operation on the airflow, which can improve the cleanliness and safety of the airflow flowing into the air duct 220.

[0072] like Figure 1 , Figure 2 and Figure 3 As shown, when the cover 170 is separated from the base 110 or the cover 170 opens the first space 120 and the drawer 212 is in the open state, the drawer 212 is separated from the first airflow channel, that is, the drawer 212 is not in the first airflow channel. If the airflow driving member 230 is working, the airflow in the first space 120 flows into the interior of the cabinet 211 through the first airflow inlet 2111 at the top of the cabinet 211, and directly flows into the air duct 220 in the second space 130 through the airflow outlet 2113 at the bottom of the cabinet 211 from the first ventilation hole 140. In this process, the airflow will not flow through the replacement filter element 213. Therefore, under normal circumstances, when the drawer 212 is in the open state, the airflow driving member 230 stops working. At this time, the replacement filter element 213 can be replaced through the delivery port 2121 of the drawer 212, which is simple to operate and convenient to use. After the replacement of the replacement filter element 213 is completed, the drawer 212 is moved to a closed state, and the airflow driving member 230 is controlled to work, so that the replacement filter element 213 can be used to purify and filter the airflow flowing from the first space 120 into the air duct 220.

[0073] In the above embodiment, if Figure 3 As shown, the side wall of the cabinet 211 is also provided with a first airflow inlet 2111, that is, the first airflow inlet 2111 is provided on the top and side wall of the cabinet 211, thereby allowing the airflow of the first space 120 to flow into the first airflow channel more fully and smoothly, which is beneficial to improving the airflow flow efficiency of the first space 120 and the air duct 220, thereby improving the airflow purification efficiency. It is understandable that the first operating port 2112 can be provided on the front side wall of the cabinet 211, and the first airflow inlet 2111 can be provided on the left side wall, and / or the right side wall, and / or the rear side wall of the cabinet 211.

[0074] In the above embodiment, if Figure 3As shown, the side wall of the drawer 212 is provided with a second air vent 2122, and the drawer 212 between the second air vent 2122 and the first air vent is configured as a second air flow channel. That is, when the drawer 212 is in a closed state, the air flow driving member 230 works, so that the air flow in the first space 120 flows into the interior of the cabinet 211 through the first air flow inlet 2111 on the cabinet 211, flows through the replacement filter element 213 located in the drawer 212 through the delivery port 2121 at the top of the drawer 212 and the second air vent 2122 on the side wall of the cabinet 211, and flows into the air duct in the second space 130 through the first air vent 212 at the bottom of the drawer 212 and the air flow outlet 2113 at the bottom of the cabinet 211 through the first ventilation hole 140. The provision of the second air vent 2122 increases the area of ​​the second air flow channel, so that the air flow can flow through the drawer 212 more fully and quickly, so as to ensure good purification efficiency.

[0075] It is understandable that the front side wall of the drawer 212 is matched with the first operation opening 2112 in the front of the cabinet 211, and the front side wall of the drawer 212 may not be provided with the second air outlet 2122. The second air outlet is provided on the left side wall, and / or the right side wall, and / or the rear side wall of the drawer 212, and further, the second air outlet may be provided opposite to the first airflow inlet 2111 located on the side wall of the cabinet 211, so as to further improve the efficiency of airflow passing through the drawer 212.

[0076] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, in some possible embodiments provided by the present invention, the stereoscopic molding device 001 further includes: an automatic feeding assembly 400. It can be understood that the automatic feeding assembly 400 is used to supply resin into the material tank 600. The automatic feeding assembly 400 includes a shell 410 located in the first space 120, the shell 410 is connected to the middle plate 111 and is covered on the first ventilation hole 140, that is, the bottom of the shell 410 can be set as an open structure, and the bottom of the shell 410 is covered on the surrounding side of the first ventilation hole 140. The cabinet 211 is arranged in the shell 410, and the shell 410 is provided with a second operation port 411 at a position opposite to the first operation port 2112, and the shell 410 is provided with a second air flow inlet 412 for communicating with the first air flow inlet 2111.

[0077] In this embodiment, since the second operation port 411 is provided at a position of the housing 410 opposite to the first operation port 2112, the drawer 212 can be moved to the first airflow channel of the cabinet 211 or out of the first airflow channel by using the second operation port 411, so as to realize the opening or closing of the drawer 212 relative to the cabinet 211, and then the replacement operation of the replacement filter element 213 in the drawer 212 is simple to operate. At the same time, the airflow in the first space 120 flows into the interior of the housing 410 through the second airflow inlet 412, flows through the cabinet 211 through the first airflow inlet 2111 of the cabinet 211 located in the housing 410, flows through the cabinet 211 through the airflow outlet 2113 on the cabinet 211 through the first ventilation hole 140, and then when the drawer 212 is in the closed state, the replacement filter element 213 in the drawer 212 can be used to purify and filter the airflow flowing from the first space 120 into the airflow channel 220.

[0078] That is to say, in this embodiment, the first purifier 210 is installed inside the automatic feeding assembly 400, and the automatic feeding assembly 400 and the first purifier 210 are modularly designed, which is conducive to saving the space occupied by the first purifier 210 and the automatic feeding assembly 400, thereby reducing the occupation of the internal space of the housing 100, which is conducive to increasing the molding space. At the same time, the first purifier 210 is set as a drawer structure, and combined with the housing 410 of the automatic feeding assembly 400, the drawer-type replacement of the replacement filter element 213 of the first purifier 210 is realized, which is simple to operate and convenient to use.

[0079] In the above embodiment, if Figure 3 , Figure 4 , Figure 5 As shown, the second airflow inlet 412 is opened on the side wall of the housing 410, and is located below the feeder 430, so that the airflow in the first space 120 can quickly flow into the interior of the housing 410 through the second airflow inlet 412 on the side wall of the housing 410, so as to flow through the cabinet 211 of the first purifier 210 located below the feeder 430. At the same time, the second airflow inlet 412 is located below the feeder 430, so that the relative position of the housing 410 and the feeder 430 is a closed structure, which can reduce the pollution of impurities and dust to the feeder 430, which is conducive to improving the service life and reliability of the feeder 430. Specifically, the second airflow inlet 412 is located at the front side wall, and / or the left side wall, and / or the right side wall, and / or the rear side wall of the housing 410.

[0080] like Figure 4 , Figure 6 and Figure 7As shown, in some possible embodiments provided by the present invention, the automatic feeding assembly 400 also includes: a feeder 430 and a feed pipe 420, the feeder 430 is installed inside the housing 410 and located above the cabinet 211, and the feed pipe 420 located inside the housing 410 is connected to the feeder 430 outside the cabinet 211. With this arrangement, there is no need to change the structure of the feeder 430 and the feed pipe 420, and only the structure of the housing 410 needs to be modified, so that the first purifier 210 can be installed inside the housing 410, so that the automatic feeding assembly 400 can reuse the original feeder 430 and the feed pipe 420, which is conducive to saving manufacturing costs. At the same time, with this arrangement, when the feeder 430 or the first purifier 210 fails, only the housing 410 needs to be disassembled from the middle plate 111, and the feeder 430 located in the housing 410 or the first purifier 210 located on the middle plate 111 can be repaired, which is simple to operate and is conducive to improving the efficiency of repair and replacement.

[0081] Further, the feeder 430 can be a peristaltic pump, a screw pump, a gear pump or other structures. For example, when the feeder 430 is a peristaltic pump, the feed tube 420 can be inserted into the peristaltic pump to achieve connection with the peristaltic pump, so that the peristaltic pump can squeeze the feed tube 420 to achieve the feeding operation.

[0082] By arranging the housing 410 of the first purifier 210 below the feeder 430, compared with the horizontal arrangement of the first purifier 210 and the feeder 430, the horizontal space occupied by the middle plate 111 can be reduced, thereby increasing the bottom area of ​​the trough 600, and meeting the curing requirements of a larger model. At the same time, arranging the feeder 430 above the first purifier 210 can meet the requirement that the feed pipe 420 feeds the trough 600 from the upper side thereof.

[0083] like Figure 2 , Figure 4 , Figure 6 and Figure 7 As shown, in some possible embodiments provided by the present invention, the feed pipe 420 includes a discharge end 422 and a feed end 421. The discharge end 422 is passed through the shell 410 through the feed machine 430 and extends into the first space 120. It can be understood that the discharge end 422 extends to above the material trough 600, so that when the feed machine 430 is working, the resin falls into the material trough 600 through the discharge end 422 of the material pipe under the action of gravity.

[0084] The feed end 421 is provided from the inside of the housing 410 to the middle plate 111, and is provided to the casing 100 through the second space 130 to extend to the outside of the casing 100. It is understandable that the resin can be contained in a storage box, which is placed outside the casing 100. By connecting the feed end 421 of the feed pipe 420 with the storage box, when the feeder 430 is working, the resin in the storage box enters the feed pipe 420 through the feed end 421, and is supplied to the material trough 600 through the discharge end 422, thereby realizing the feeding operation.

[0085] It can be understood that the middle plate 111 is provided with a third through hole, and the part of the casing 100 opposite to the second space 130 is provided with a material pipe opening 180, such as the base body 112 is provided with a material pipe opening 180, and the feed end 421 of the material pipe enters the second space 130 from the shell 410 of the first space 120 through the third through hole, and extends through the casing 100 through the material pipe opening 180 to the outside of the casing 100 to be connected with the material storage box.

[0086] like Figure 2 As shown, in some possible embodiments provided by the present invention, the air cover 300 and the feed end 421 are located on the same side of the housing 100. That is to say, the air outlet 160 and the material pipe port 180 are located on the same side of the housing 100, and are both connected to the second space 130. This arrangement allows the air outlet 160 and the material pipe port 180 to be processed using the same process, which is conducive to saving manufacturing costs. At the same time, since the air cover 300 and the feed end 421 are located on the same side of the housing 100, the second purifier connected to the opened air outlet 160 and the storage box connected to the feed end 421 can be placed on the same side of the three-dimensional molding device 001, which is convenient for users to perform the connection operation between the air outlet 160 and the second purifier, and the operation of connecting the feed end 421 to the storage box on the same side, which can improve the neatness and aesthetics of the overall layout of the three-dimensional molding device 001. Specifically, the air outlet 160 and the material pipe port 180 are located on the side wall of the seat body 112.

[0087] like Figure 2 As shown, in some possible embodiments provided by the present invention, the three-dimensional forming device 001 further includes: a sealing member 500, which is arranged between the wind cover 300 and the air outlet 160 to seal the gap between the wind cover 300 and the air outlet 160 when the wind cover 300 closes the air outlet 160. The arrangement of the sealing member 500 can ensure the sealing of the air outlet 160 when the wind cover 300 closes the air outlet 160, thereby enabling the airflow driving member 230 to work, and can return the airflow in the air duct 220 to the first space 120 through the second ventilation hole 150, thereby realizing the operation of built-in purification, and ensuring that the airflow has good circulation efficiency and a good purification effect.

[0088] Furthermore, the seal 500 includes a sealing ring, a sealing surface or other sealing structures. The seal 500 can be connected to the housing 100 on the side of the air outlet 160, or can be connected to the air cover 300. Specifically, the seal 500 can be EVA (ethylene-vinylacetatecopolymer) cotton. Specifically, the EVA cotton can be bonded to the air cover 300 and located on the side of the air cover 300 facing the housing 100, so that when the air cover 300 closes the air outlet 160, the air outlet 160 can be reliably sealed by using the EVA cotton.

[0089] like Figure 2 As shown, in some possible embodiments provided by the present invention, the airflow driving member 230 is connected to the bottom of the middle plate 111 and is opposite to the first ventilation hole 140. Specifically, the airflow driving member 230 is detachably connected to the middle plate 111 by bolts to facilitate maintenance operations of the airflow driving member 230. By making the airflow driving member 230 opposite to the first ventilation hole 140, when the air outlet 160 is opened, the airflow in the first space 120 flows into the air duct 220 through the first ventilation hole 140 and the second ventilation hole 150, and flows out to the outside of the housing 100 through the air duct 220; when the air outlet 160 is closed, the airflow in the first space 120 flows into the air duct 220 through the first ventilation hole 140, and returns to the first space 120 through the second ventilation hole 150.

[0090] Among them, Figure 2 As shown, the second end 222 of the air duct 220 is detachably connected to the middle plate 111, such as the second end 222 of the fan is connected to the middle plate 111 by bolts, plug-in, clamping, mortise and tenon structures, etc., to facilitate the disassembly, assembly and maintenance of the air duct 220. The first ventilation hole 140 and the second ventilation hole 150 are located inside the first end 221, so that the air duct 220 can be connected to the first ventilation hole 140 and the second ventilation hole 150 at the same time.

[0091] Among them, Figure 2 As shown, the first end 221 of the air duct 220 is detachably connected to the casing 100 around the air outlet 160, such as the first end 221 of the fan is connected to the casing 100 by bolts, plug-ins, snap-fits, mortise and tenon structures, etc., to facilitate disassembly, assembly and maintenance of the air duct 220.

[0092] Among them, Figure 2As shown, the air outlet 160 is opened on the side wall of the casing 100. For example, the air outlet 160 is opened on the side wall of the seat body 112 of the base 110, and the air duct 220 is set as a bending structure. Since the top of the second space 130 is the middle plate 111, and the bottom of the second space 130 is the bottom of the three-dimensional molding device 001, if the air outlet 160 is opened at the bottom of the casing 100, it is not convenient for the air flow channel. Therefore, by opening the air outlet 160 on the side wall of the casing 100, such as the side wall of the seat body 112, air flow is facilitated, which is beneficial to improve the external purification efficiency.

[0093] By setting the air duct 220 as a bent structure, the air duct 220 can smoothly connect the first ventilation hole 140, the second ventilation port on the middle plate 111 and the air outlet 160 on the side wall of the seat body 112. Specifically, the bent structure of the air duct 220 can be a curved structure with a smooth transition, or a bent structure in which two straight pipes are connected at an angle.

[0094] Specifically, Figures 1 to 8 As shown, the utility model also provides the following implementation modes:

[0095] Reference numeral 1, a three-dimensional forming device 001, comprising: a housing 100, wherein an intermediate plate 111 is disposed inside the housing 100 to separate the internal space of the housing 100 into a first space 120 and a second space 130, wherein the intermediate plate 111 is provided with a first ventilation hole 140 and a second ventilation hole 150, and the housing 100 is provided with an air outlet 160 communicating with the second space 130; an airflow purification component 200, comprising a first purifier 210, an air duct 220, and an airflow driving member 230, wherein the first purifier 210 is disposed in the first space 120 Or in the second space 130 and covering the first ventilation hole 140, the air duct 220 is respectively connected to the air outlet 160, the first ventilation hole 140, and the second ventilation hole 150, the air flow driving member 230 is used to drive the air in the first space 120 to enter the air duct through the first purifier 210 and the first ventilation hole 140, or to drive the air in the first space 120 to enter the air duct 220 through the first ventilation hole 140 and the first purifier 210; the air cover 300 is movably connected to the casing 100 to open or close the air outlet 160.

[0096] No. 2, according to the three-dimensional forming equipment 001 of No. 1, the first end 221 of the air duct 220 is connected to the air outlet 160, the second end 222 of the air duct 220 is connected to the first ventilation hole 140, and the third end of the air duct 220 is connected to the second ventilation hole 150; or, the first end 221 of the air duct 220 is connected to the air outlet 160, and the second end 222 of the air duct 220 is connected to the first ventilation hole 140 and the second ventilation hole 150; wherein, the airflow driving member 230 is configured to work when the air outlet 160 is opened, so that the airflow in the first space 120 is discharged to the outside of the casing 100 through the first purifier 210 and the second ventilation hole 150, the air duct 220, and the air outlet 160; the airflow driving member 230 is configured to work when the air outlet 160 is closed, so that the airflow in the first space 120 is returned to the first space 120 through the first purifier 210, the air duct 220, and the second ventilation hole 150.

[0097] Label 3. According to the three-dimensional forming device 001 of label 1, the airflow purification component 200 also includes a second purifier, the second purifier is located outside the casing 100, and the second purifier is configured to be connected to the opened air outlet 160.

[0098] Label 4, according to the three-dimensional molding device 001 of label 1, the first purifier 210 is arranged in the first space 120; the first purifier 210 includes: a cabinet 211, a drawer 212 and a replacement filter element 213, the cabinet 211 is connected to the middle plate 111, the cabinet 211 is provided with a first air flow channel connecting the first space 120 and the first ventilation hole 140, and a first operating port 2112 connected to the first air flow channel, the drawer 212 is movably connected to the cabinet 211 through the first operating port 2112 so that the drawer 212 is located in the first air flow channel or detached from the first air flow channel, and the replacement filter element 213 can be placed in the drawer 212 or taken out from the drawer 212.

[0099] Label 5, according to the three-dimensional forming equipment 001 of label 4, the first air flow channel includes a first air flow inlet 2111 and an air flow outlet 2113 opened in the cabinet 211, the first air flow inlet 2111 is connected to the first space 120, and the air flow outlet 2113 is connected to the first ventilation hole 140; the drawer 212 is provided with a second air flow channel which can be connected to the first air flow channel, and a delivery port 2121 which is connected to the second air flow channel, and the replacement filter element 213 is placed in the second air flow channel or taken out from the second air flow channel through the delivery port 2121.

[0100] Label 6, according to the three-dimensional forming equipment 001 of label 5, a first air flow inlet 2111 is provided at the top of the cabinet 211, an air flow outlet 2113 is provided at the bottom of the cabinet 211, and a first operating port 2112 is provided at the side of the cabinet 211; a delivery port 2121 is provided at the top of the drawer 212, and a first air outlet opposite to the air flow outlet 2113 is provided at the bottom of the drawer 212, and the drawer 212 between the delivery port 2121 and the first air outlet is configured as a second air flow channel.

[0101] Label 7, according to the three-dimensional forming equipment 001 of label 6, the side wall of the cabinet 211 is also provided with a first air flow inlet 2111; and / or the side wall of the drawer 212 is provided with a second air outlet 2122, and the drawer 212 between the second air outlet 2122 and the first air outlet is configured as a second air flow channel.

[0102] Label 8, according to the three-dimensional forming equipment 001 of label 6, also includes: an automatic feeding component 400, including a shell 410 located in the first space 120, the shell 410 is connected to the middle plate 111 and covers the first ventilation hole 140, the cabinet 211 is arranged in the shell 410, and a second operating port 411 is opened at a position opposite to the first operating port 2112 of the shell 410, and a second air flow inlet 412 for communicating with the first air flow inlet 2111 is opened in the shell 410.

[0103] Label 9, according to the three-dimensional forming equipment 001 of label 8, the automatic feeding component 400 also includes: a feeder 430 and a feed pipe 420, the feeder 430 is installed inside the shell 410 and located above the cabinet 211, and the feed pipe 420 located in the shell 410 is connected to the feeder 430 outside the cabinet 211.

[0104] Label 10, according to the three-dimensional forming equipment 001 of label 9, the feed pipe 420 includes a discharge end 422 and a feed end 421, the discharge end 422 is penetrated from the inside of the shell 410 through the feed machine 430 in the shell 410 and extends to the first space 120, the feed end 421 is penetrated from the inside of the shell 410 to the middle plate 111, penetrates the casing 100 through the second space 130 and extends to the outside of the casing 100.

[0105] Label 11, according to the three-dimensional molding equipment 001 of label 10, the air cover 300 and the feed end 421 are located on the same side of the casing 100.

[0106] Label 12, according to the three-dimensional molding equipment 001 of label 9, the second air flow inlet 412 is opened on the side wall of the shell 410 and is located below the feeder 430.

[0107] Label 13, according to the three-dimensional molding equipment 001 of label 1, also includes: a sealing member 500, the sealing member 500 is arranged between the wind cover 300 and the air outlet 160, so as to seal the gap between the wind cover 300 and the air outlet 160 when the wind cover 300 closes the air outlet 160.

[0108] Label 14, according to the three-dimensional forming equipment 001 of label 2, the airflow driving member 230 is connected to the bottom of the middle plate 111 and is opposite to the first ventilation hole 140; the first end 221 of the air duct 220 is detachably connected to the casing 100 around the air outlet 160, and the second end 222 of the air duct 220 is detachably connected to the middle plate 111, and the first ventilation hole 140 and the second ventilation hole 150 are located inside the second end 222; wherein, the air outlet 160 is opened on the side wall of the casing 100, and the air duct 220 is configured as a bending structure.

[0109] Label 15, according to the three-dimensional molding equipment 001 of label 1, the casing 100 includes a base 110 and a cover body 170 movably connected to the base 110, the base 110 includes a middle plate 111 located at the top, and a seat body 112 which together with the middle plate 111 encloses a second space 130, and the middle plate 111 and the cover body 170 enclose a first space 120.

[0110] In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the terms "upper" and "lower" indicate positions or positional relationships based on the positions or positional relationships described in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention. The terms "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0111] For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A three-dimensional forming device, characterized in that: include: A casing, wherein a middle plate is provided inside the casing to separate the internal space of the casing into a first space and a second space, the middle plate is provided with a first ventilation hole and a second ventilation hole, and the casing is provided with an air outlet communicating with the second space; An airflow purification component, comprising a first purifier, an air duct, and an airflow driving member, wherein the first purifier is arranged in the first space or the second space and covers the first ventilation hole, the air duct is respectively connected with the air outlet, the first ventilation hole, and the second ventilation hole, and the airflow driving member is used to drive the air in the first space to enter the air duct through the first purifier and the first ventilation hole, or to drive the air in the first space to enter the air duct through the first ventilation hole and the first purifier; An air cover is movably connected to the casing to open or close the air outlet.

2. The three-dimensional forming equipment according to claim 1, characterized in that: The first end of the air duct is connected to the air outlet, the second end of the air duct is connected to the first ventilation hole, and the third end of the air duct is connected to the second ventilation hole; or, The first end of the air duct is in communication with the air outlet, and the second end of the air duct is in communication with the first vent and the second vent; Wherein, the airflow driving member is configured to work when the air outlet is opened, so that the airflow in the first space is discharged to the outside of the housing through the first purifier and the second ventilation hole, the air duct, and the air outlet; The airflow driving member is configured to work when the air outlet is closed, so that the airflow in the first space returns to the first space through the first purifier, the air duct, and the second ventilation hole.

3. The three-dimensional forming equipment according to claim 1, characterized in that: The airflow purification component also includes a second purifier, which is located outside the housing and is configured to communicate with the air outlet.

4. The three-dimensional forming equipment according to claim 1, characterized in that: The first purifier is disposed in the first space; the first purifier comprises: A cabinet body, a drawer and a replacement filter element, wherein the cabinet body is connected to the middle plate, the cabinet body is provided with a first air flow channel connecting the first space and the first ventilation hole, and a first operating port connected to the first air flow channel, the drawer is movably connected to the cabinet body through the first operating port so that the drawer can be located in the first air flow channel or detached from the first air flow channel, and the replacement filter element can be placed in the drawer or taken out of the drawer.

5. The three-dimensional forming equipment according to claim 4, characterized in that: The first air flow channel includes a first air flow inlet and an air flow outlet opened in the cabinet, the first air flow inlet is communicated with the first space, and the air flow outlet is communicated with the first ventilation hole; The drawer is provided with a second airflow channel which can be communicated with the first airflow channel, and a delivery port which is communicated with the second airflow channel, and the replacement filter element is placed in the second airflow channel or taken out from the second airflow channel through the delivery port.

6. The three-dimensional forming device according to claim 5, characterized in that: The top of the cabinet is provided with the first air flow inlet, the bottom of the cabinet is provided with the air flow outlet, and the side of the cabinet is provided with the first operating port; The top of the drawer is provided with the delivery port, the bottom of the drawer is provided with a first air outlet opposite to the air flow outlet, and the drawer between the delivery port and the first air outlet is configured as the second air flow channel.

7. The three-dimensional forming device according to claim 6, characterized in that: The side wall of the cabinet is also provided with the first air flow inlet; and / or A second air outlet is formed on a side wall of the drawer, and the drawer between the second air outlet and the first air outlet is configured as the second air flow channel.

8. The three-dimensional forming device according to claim 6, characterized in that: Also includes: The automatic feeding assembly includes a shell located in the first space, the shell is connected to the middle plate and covers the first ventilation hole, the cabinet is arranged in the shell, a second operating port is provided in the shell at a position opposite to the first operating port, and the shell is provided with a second air flow inlet for communicating with the first air flow inlet.

9. The three-dimensional forming device according to claim 8, characterized in that: The automatic feeding assembly also includes: A feeder and a feed pipe, wherein the feeder is installed inside the shell and located above the cabinet, and the feed pipe located inside the shell is connected to the feeder outside the cabinet.

10. The three-dimensional forming device according to claim 9, characterized in that: The feed pipe includes a discharge end and a feed end. The discharge end is arranged in the shell through the feed machine from the inside of the shell and extends into the first space. The feed end is arranged in the middle plate from the inside of the shell, and is arranged in the shell through the second space to extend to the outside of the shell.

11. The three-dimensional forming device according to claim 10, characterized in that: The air cover and the feed end are located on the same side of the casing.

12. The three-dimensional forming device according to claim 9, characterized in that: The second air flow inlet is opened on the side wall of the shell and is located below the feeder.

13. The three-dimensional forming device according to claim 1, characterized in that: Also includes: A sealing member is disposed between the wind cover and the air outlet to seal a gap between the wind cover and the air outlet when the wind cover closes the air outlet.

14. The three-dimensional forming device according to claim 2, characterized in that: The airflow driving member is connected to the bottom of the middle plate and is opposite to the first ventilation hole; The first end of the air duct is detachably connected to the housing around the air outlet, the second end of the air duct is detachably connected to the middle plate, and the first ventilation hole and the second ventilation hole are located inside the second end; Wherein, the air outlet is opened on the side wall of the casing, and the air duct is configured as a bent structure.

15. The three-dimensional forming device according to claim 1, characterized in that: The housing includes a base and a cover body movably connected to the base, the base includes the middle plate located at the top and a seat body which forms the second space together with the middle plate, and the middle plate and the cover body form the first space.

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