CN114054778A - Powder recovery device and 3D printing apparatus - Google Patents
Powder recovery device and 3D printing apparatus Download PDFInfo
- Publication number
- CN114054778A CN114054778A CN202111412137.4A CN202111412137A CN114054778A CN 114054778 A CN114054778 A CN 114054778A CN 202111412137 A CN202111412137 A CN 202111412137A CN 114054778 A CN114054778 A CN 114054778A
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- Prior art keywords
- powder
- recovery device
- storage tank
- cyclone
- powder recovery
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/70—Recycling
- B22F10/73—Recycling of powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The application discloses a powder recovery device and 3D printing equipment, wherein the powder recovery device comprises a dust hood, a cyclone dust collection assembly, an ultrasonic vibration sieve and a storage tank; the dust hood is used for absorbing powder; the cyclone dust collection assembly is communicated with the dust hood and is also communicated with the fan; the ultrasonic vibration sieve is communicated with the cyclone dust collection assembly and is used for receiving the powder from the cyclone dust collection assembly and screening the powder; the storage tank is connected with the ultrasonic vibration sieve, and the storage tank is used for receiving qualified powder from the ultrasonic vibration sieve. Powder recovery unit can be applied to in the 3D printing apparatus, through the suction hood, the air current that has mixed the powder gets into whirlwind collection dirt subassembly, and whirlwind collection dirt subassembly separates powder and air current to make the powder get into ultrasonic vibration sieve, ultrasonic vibration sieve filters the powder through the vibration, makes qualified powder get into the storage tank, accomplishes the recovery of powder, has improved the efficiency that the powder was retrieved.
Description
Technical Field
The application relates to the technical field of 3D printing equipment, in particular to a powder recovery device and 3D printing equipment.
Background
3D printing, also known as additive manufacturing, is a technique for constructing objects by layer-by-layer printing using bondable materials, such as powdered metal or plastic, based on digital model files. 3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available.
The utilization rate of the existing 3D printing equipment to the metal powder is low, and a lot of metal powder is directly wasted. In order to increase the utilization rate of the alloy powder and avoid waste, the unused powder needs to be recycled. At present, the powder is mainly recovered manually, so that the difficulty is high and the efficiency is low.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. For this reason, this application provides a powder recovery unit and 3D printing apparatus, can retrieve the powder, improves the efficiency that the powder was retrieved.
An embodiment of the first aspect of the present application provides a powder recovery device, including:
a dust hood for absorbing powder;
the cyclone dust collection assembly is communicated with the dust hood and is also communicated with the fan;
the ultrasonic vibration sieve is communicated with the cyclone dust collection assembly and is used for receiving powder from the cyclone dust collection assembly and screening the powder;
the storage tank, the storage tank with ultrasonic vibration sieve is connected, the storage tank is used for receiving come from ultrasonic vibration sieve's qualified powder.
The powder recovery device according to the embodiment of the first aspect of the application has at least the following advantages: the powder recovery device comprises a dust hood, a cyclone dust collection assembly, an ultrasonic vibration sieve and a storage tank; the dust hood is used for absorbing powder; the cyclone dust collection assembly is communicated with the dust hood and is also communicated with the fan; the ultrasonic vibration sieve is communicated with the cyclone dust collection assembly and is used for receiving the powder from the cyclone dust collection assembly and screening the powder; the storage tank is connected with the ultrasonic vibration sieve, and the storage tank is used for receiving qualified powder from the ultrasonic vibration sieve. Powder recovery unit can be applied to in the 3D printing apparatus, in operation, the suction hood is arranged in absorbing the powder that is not used in the 3D printing apparatus, because whirlwind collection dirt subassembly and suction hood intercommunication, whirlwind collection dirt subassembly still is used for and fan intercommunication, consequently, produce the air current of breathing in through the fan, through the suction hood, the air current that has mixed the powder gets into whirlwind collection dirt subassembly, whirlwind collection dirt subassembly is with powder and air current separation, so that the powder gets into ultrasonic vibration sieve, ultrasonic vibration sieve screens the powder through the vibration, make qualified powder get into the storage tank, so accomplish the recovery of powder, the efficiency of powder recovery has been improved.
The ultrasonic vibration sieve comprises a base, a vibration motor, a shell, a screen and an ultrasonic transducer, wherein the vibration motor is arranged in the base in a penetrating manner, and the shell is arranged on the base; the screen cloth level is located the inside of casing to will the inside of casing is separated and is formed screening area and qualified district, screening area is located the top of qualified district, screening area with whirlwind dust collection assembly intercommunication, qualified district with the storage tank intercommunication, ultrasonic transducer locates the bottom of screen cloth.
According to some embodiments of the first aspect of the present application, the bottom wall of the housing is a convex arc.
According to some embodiments of the first aspect of the present application, further comprising a canister in communication with the screening area, the canister for storing off-spec powder.
According to some embodiments of the first aspect of the present application, the cyclone dust collection assembly comprises a first cyclone dust collector and a second cyclone dust collector, the first cyclone dust collector is provided with a first input port, a first output port, and a first air opening, the second cyclone dust collector is provided with a second input port, a second output port, and a second air opening, the first input port is communicated with the dust hood, the first output port is communicated with the screening area, and the first air opening is communicated with the second input port; the second output port is communicated with the screening area, and the second air port is used for being connected with a fan.
According to some embodiments of the first aspect of the present application, further comprising a fan, the fan being connected to the second air opening.
According to some embodiments of the first aspect of the present application, the first inlet port communicates with the dust hood through a universal tube.
According to some embodiments of the first aspect of the present application, the cyclone dust collecting assembly, the ultrasonic vibration sieve, and the storage tank are all mounted on the frame.
According to some embodiments of the first aspect of the present application, the base is mounted to the frame by a resilient member.
Embodiments of a second aspect of the present application provide a 3D printing apparatus, including a powder recovery device as embodiments of the first aspect of the present application.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
Additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of the construction of a powder recovery device according to some embodiments of the first aspect of the present application;
FIG. 2 is a schematic view of the powder recovery device shown in FIG. 1 from another angle;
FIG. 3 is a schematic structural view of an ultrasonic vibratory screen of some embodiments of the first aspect of the present application;
fig. 4 is a schematic cross-sectional view of the ultrasonic vibration screen shown in fig. 3.
The reference numbers are as follows:
a dust hood 100; a gimbal tube 110;
a first cyclone dust collector 200; a first cylinder 210; a first cone 220; a first input port 230; a first tuyere 240; a first output port 250;
a second cyclone dust collector 300; a second cylinder 310; a second cone 320; a second input port 330; a second tuyere 340; a second output port 350;
an ultrasonic vibration sieve 400; a qualified discharge port 410; a waste port 420; an elastic member 430; a base 440; a motor 450; a housing 460; a screen 470; an ultrasonic transducer 480; a bottom wall 461; a screening area 462; a qualified zone 463;
a frame 500;
a fan 600;
a canister 700.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, if there are first and second described only for the purpose of distinguishing technical features, it is not understood that relative importance is indicated or implied or that the number of indicated technical features or the precedence of the indicated technical features is implicitly indicated or implied.
In the description of the present application, unless otherwise expressly limited, terms such as set, mounted, connected and the like should be construed broadly, and those skilled in the art can reasonably determine the specific meaning of the terms in the present application by combining the detailed contents of the technical solutions.
Referring to fig. 1 to 4, a powder recovery apparatus according to a first embodiment of the present disclosure includes a dust hood 100, a cyclone dust collection assembly, an ultrasonic vibration sieve 400, and a storage tank (not shown); the dust hood 100 is used for absorbing powder; the cyclone dust collection assembly is communicated with the dust hood 100 and is also used for being communicated with the fan 600; the ultrasonic vibration sieve 400 is communicated with the cyclone dust collection assembly, and the ultrasonic vibration sieve 400 is used for receiving powder from the cyclone dust collection assembly and screening the powder; the storage tank is connected to the ultrasonic vibratory screen 400 and is configured to receive the qualified powder from the ultrasonic vibratory screen 400. The powder recovery device can be applied to 3D printing equipment, when the powder recovery device works, the dust hood 100 is used for absorbing unused powder in the 3D printing equipment, and the cyclone dust collection assembly is communicated with the dust hood 100 and the fan 600, so that the fan 600 generates suction airflow to enable the dust hood 100 to absorb the powder; through the dust hood 100, the air flow mixed with the powder enters the cyclone dust collection assembly, the cyclone dust collection assembly separates the powder from the air flow so that the powder enters the ultrasonic vibration sieve 400, the ultrasonic vibration sieve 400 screens the powder through vibration, the qualified powder enters the storage tank, the powder recovery is completed, and the powder recovery efficiency is improved; and the powder is not required to be directly contacted by people, so that the damage to the health of workers is avoided.
It can be understood that the storage tank is located the below of ultrasonic vibration sieve 400, screens through ultrasonic vibration sieve 400 and obtains qualified powder, and qualified powder falls into the storage tank, and qualified powder is the powder that the volume is less, and the powder that the volume is great can't pass through the screening of ultrasonic vibration sieve 400, can't fall into the storage tank.
It is understood that, referring to fig. 3 and 4, the ultrasonic vibration screen 400 includes a base 440, a vibration motor 450, a housing 460, a screen 470 and an ultrasonic transducer 480, the vibration motor 450 is inserted into the base 440, and the housing 460 is disposed on the base 440; the screen 470 is horizontally arranged in the housing 460, and separates the interior of the housing 460 into a screening area 462 and a qualified area 463, the screening area 462 is located above the qualified area 463, the screening area 462 is communicated with the cyclone dust collection assembly, the qualified area 463 is communicated with the storage tank, and the ultrasonic transducer 480 is arranged at the bottom of the screen 470. A screening zone 462 is formed between the upper portion of the housing 460 and the screen 470 and a qualified zone 463 is formed between the lower portion of the housing 460 and the screen 470. The powder that passes through cyclone dust collection subassembly separation falls into screening district 462, vibrating motor 450 produces the vibration, through base 440, the transmission of casing 460 will vibrate transmission to screen cloth 470, ultrasonic transducer 480 transmits the ultrasonic wave to screen cloth 470, so, screen cloth 470 can screen the powder in screening district 462, qualified powder passes through screen cloth 470 and gets into qualified district 463, powder that is less in volume can get into qualified district 463 through screen cloth 470, and powder that is bigger in volume can't pass through screen cloth 470, stay in screening district 462, and qualified district 463 communicates with the storage tank, the storage tank is located the below of qualified district 463, powder in qualified district 463 can get into the storage tank, through storage tank storage qualified powder, so that reuse.
It can be understood that the ultrasonic transducer 480 is connected with an ultrasonic generator (not shown in the figure), the ultrasonic generator is used for generating ultrasonic waves, and the function of the ultrasonic transducer 480 is to convert the input electric power into mechanical power and transmit the mechanical power, that is, the ultrasonic transducer 480 can transmit the ultrasonic waves to the screen 470, so that the powder cannot be adhered in the screen 470 by superimposing an ultrasonic wave on the screen 470, the powder is prevented from blocking the screen 470, and the screening efficiency is also improved.
It should be noted that fig. 3 shows that the end surface of the base 440 is circular, the housing 460 is a cylinder, and the screen 470 is circular, which is only an example and should not be construed as a limitation of the present application, and the base 440, the housing 460, and the screen 470 may also be other shapes, which is not specifically limited in the present application, and the shapes of the base 440, the housing 460, and the screen 470 may match, for example, the end surface of the base 440 may also be square, and the housing 460 may be a rectangular cylinder, and the screen 470 is square.
It will be appreciated that the bottom wall 461 of the housing 460 is a convex arc surface, which facilitates the powder in the qualified zone 463 to accumulate on the edge of the bottom wall 461 with vibration, facilitating the powder to enter the storage tank.
It is to be understood that the powder recycling apparatus of the embodiment of the present application further includes a canister 700, the canister 700 being in communication with the screening area 462, the canister 700 being for storing off-spec powder. Rejected powder in the screening area 462, which is too large to pass through the screen 470, is vibrated into the canister 700.
It can be understood that the housing 460 of the ultrasonic vibration sieve 400 is provided with a qualified discharge port 410 and a waste port 420, the qualified discharge port 410 is communicated with the qualified zone 463, the qualified discharge port 410 is also communicated with the storage tank, and qualified powder in the qualified zone 463 can enter the storage tank through the qualified discharge port 410; the waste port 420 is in communication with the screening area 462, the waste port 420 is also in communication with the canister 700, and off-spec powder in the screening area 462 enters the canister 700 through the waste port 420.
It can be understood that, referring to fig. 1 to 2, the cyclone assembly includes a first cyclone 200 and a second cyclone 300, the first cyclone 200 is provided with a first input port 230, a first output port 250, a first tuyere 240, the second cyclone 300 is provided with a second input port 330, a second output port 350, a second tuyere 340, the first input port 230 is communicated with the suction hood 100, the first output port 250 is communicated with the screening zone 462, and the first tuyere 240 is communicated with the second input port 330; the second outlet 350 is in communication with the screening area 462 and the second port 340 is adapted to be connected to the fan 600.
The powder recovery device further includes a blower 600, and the blower 600 is connected to the second tuyere 340.
The primary cyclone dust collector 200 comprises a first cylinder 210 and a first cone 220, the first cylinder 210 is spliced with the first cone 220, the first cylinder 210 is positioned above the first cone 220, a first inlet 230 is positioned on the side wall of the upper part of the first cylinder 210, a first tuyere 240 is positioned at the top of the first cylinder 210, and a first outlet 250 is positioned at the bottom of the first cone 220; the secondary cyclone dust collector 300 includes a second cylinder 310 and a second cone 320, the second cylinder 310 is spliced with the second cone 320, the second cylinder 310 is positioned above the second cone 320, a second inlet 330 is positioned on the sidewall of the upper portion of the second cylinder 310, a second tuyere 340 is positioned at the top of the second cylinder 310, and a second outlet 350 is positioned at the bottom of the second cone 320.
The air flow mixed with the powder enters the first cylinder 210 from the first input port 230 through the dust hood 100, the air flow mixed with the powder is tangential to the side wall of the first cylinder 210, the air flow mixed with the powder rotates from top to bottom along the side wall of the first cylinder 210, and when the air flow mixed with the powder rotates, the powder is separated from the air flow under the action of centrifugal force, falls into the first output port 250 at the bottom of the first cylinder 210 along the side wall of the first cylinder 210 under the action of gravity, and enters the screening area 462 through the first output port 250; the airflow after the powder separation enters the second input port 330 from the first tuyere 240, the airflow after the powder separation is tangential to the side wall of the second cylinder 310, the airflow after the powder separation rotates from top to bottom along the side wall of the second cylinder 310 to separate the powder again, the powder separated again falls into the second output port 350 at the bottom of the second cylinder 310 along the side wall of the second cylinder 310, and enters the screening area 462 through the second output port 350; and the airflow after the powder is separated again enters the blower 600 through the second tuyere 340. Thus, through the first cyclone dust collector 200 and the second cyclone dust collector 300, the powder-mixed airflow absorbed by the dust hood 100 is separated twice, so that the separation efficiency is increased, the powder in the airflow entering the fan 600 is less, and the fan 600 is prevented from being blocked.
It will be appreciated that the first inlet port 230 communicates with the dust hood 100 via the universal tube 110. The dust hood 100 is communicated with the dust hood 100 through the universal pipe 110, so that the position of the dust hood 100 can be flexibly changed, and the universal pipe 110 is a hose.
It can be understood that the powder recovery apparatus of the embodiment of the present application further includes a frame 500, a cyclone dust collecting assembly, and an ultrasonic vibration sieve 400, and the storage tank is mounted on the frame 500. The base 440 is mounted to the frame 500 by means of the elastic member 430. The elastic member 430 may be a spring.
It is understood that the bottom of the frame 500 is further provided with a plurality of rollers, which can facilitate the handling of the powder recycling device according to the embodiment of the present application.
It is understood that the ultrasonic generator can adopt an ultrasonic generator with the model of JCC-2 or other models of ultrasonic generators; the ultrasonic transducer 480 may be an ultrasonic transducer 480 of type SL-HF; the motor 450 can be a vertical vibration motor 450 with the model number YZUL-8-4 or other models of motors 450; the fan 600 can adopt a fan 600 with the model number XGB-750S or other fans 600; the models of the ultrasonic generator, the ultrasonic transducer 480, the motor 450 and the fan 600 can be selected by those skilled in the art according to actual needs, and the present application does not specifically limit the models.
In a second aspect, embodiments of the present application provide a 3D printing apparatus including a powder recovery device as in embodiments of the first aspect of the present application. Because the 3D printing equipment comprises the powder recovery device in the embodiment of the first aspect of the application, the 3D printing equipment can enter the cyclone dust collection assembly through the dust hood 100 by virtue of the airflow mixed with the powder, the cyclone dust collection assembly separates the powder from the airflow so as to enable the powder to enter the ultrasonic vibration sieve 400, and the ultrasonic vibration sieve 400 screens the powder by virtue of vibration, so that the qualified powder enters the storage tank, the recovery of the powder is completed, and the powder recovery efficiency is improved; and the powder is not required to be directly contacted by people, so that the damage to the health of workers is avoided.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.
Claims (10)
1. A powder recovery device, comprising:
a dust hood for absorbing powder;
the cyclone dust collection assembly is communicated with the dust hood and is also communicated with the fan;
the ultrasonic vibration sieve is communicated with the cyclone dust collection assembly and is used for receiving powder from the cyclone dust collection assembly and screening the powder;
the storage tank, the storage tank with ultrasonic vibration sieve is connected, the storage tank is used for receiving come from ultrasonic vibration sieve's qualified powder.
2. The powder recovery device of claim 1, wherein the ultrasonic vibration sieve comprises a base, a vibration motor, a housing, a screen and an ultrasonic transducer, the vibration motor is arranged in the base in a penetrating manner, and the housing is arranged on the base; the screen cloth level is located the inside of casing to will the inside of casing is separated and is formed screening area and qualified district, screening area is located the top of qualified district, screening area with whirlwind dust collection assembly intercommunication, qualified district with the storage tank intercommunication, ultrasonic transducer locates the bottom of screen cloth.
3. The powder recovery device of claim 2, wherein the bottom wall of the housing is a convex arc.
4. The powder recovery device of claim 2, further comprising a canister in communication with the screening area, the canister being configured to store off-spec powder.
5. The powder recovery device of claim 2, wherein the cyclone assembly comprises a first cyclone and a second cyclone, the first cyclone having a first inlet, a first outlet, and a first tuyere, the second cyclone having a second inlet, a second outlet, and a second tuyere, the first inlet communicating with the suction hood, the first outlet communicating with the screening zone, and the first tuyere communicating with the second inlet; the second output port is communicated with the screening area, and the second air port is used for being connected with a fan.
6. The powder recovery device of claim 5, further comprising a fan connected to the second tuyere.
7. The powder recovery device of claim 5 or 6, wherein the first inlet port communicates with the dust hood via a universal tube.
8. The powder recovery device of claim 2, further comprising a frame, wherein the cyclone dust collection assembly, the ultrasonic vibratory screen, and the storage tank are mounted to the frame.
9. The powder recovery device of claim 8, wherein the base is mounted to the frame by a resilient member.
10. 3D printing apparatus, characterized in that it comprises a powder recovery device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111412137.4A CN114054778A (en) | 2021-11-25 | 2021-11-25 | Powder recovery device and 3D printing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111412137.4A CN114054778A (en) | 2021-11-25 | 2021-11-25 | Powder recovery device and 3D printing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114054778A true CN114054778A (en) | 2022-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111412137.4A Pending CN114054778A (en) | 2021-11-25 | 2021-11-25 | Powder recovery device and 3D printing apparatus |
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| CN (1) | CN114054778A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289738A (en) * | 2022-03-07 | 2022-04-08 | 四川工程职业技术学院 | Metal part additive forming system and method |
| CN115041703A (en) * | 2022-07-13 | 2022-09-13 | 江苏大学 | Device and method for recovering selective laser melting gradient powder |
-
2021
- 2021-11-25 CN CN202111412137.4A patent/CN114054778A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114289738A (en) * | 2022-03-07 | 2022-04-08 | 四川工程职业技术学院 | Metal part additive forming system and method |
| CN115041703A (en) * | 2022-07-13 | 2022-09-13 | 江苏大学 | Device and method for recovering selective laser melting gradient powder |
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