CN212734153U - Powder collecting device and powder bed electron beam additive manufacturing equipment - Google Patents
Powder collecting device and powder bed electron beam additive manufacturing equipment Download PDFInfo
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- CN212734153U CN212734153U CN202120345518.4U CN202120345518U CN212734153U CN 212734153 U CN212734153 U CN 212734153U CN 202120345518 U CN202120345518 U CN 202120345518U CN 212734153 U CN212734153 U CN 212734153U
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Abstract
The utility model provides a powder device and powder bed electron beam vibration material disk equipment should collect the powder device and include: a drive assembly; the transmission assembly is connected with the driving assembly and is driven by the driving assembly to rotate; the powder collecting box is connected with the transmission assembly and is driven by the transmission assembly to move in the vertical direction. The utility model discloses can collect unnecessary metal powder when excessively getting powder and add again and utilize in the powder case, effectively improve powder bed electron beam vibration material disk equipment's powder case metal powder's utilization ratio, solve its problem that the powder volume is not enough when printing jumbo size part.
Description
Technical Field
The utility model relates to a 3D printing apparatus technical field especially relates to a powder device and powder bed electron beam vibration material disk equipment.
Background
The powder bed electron beam 3D printing technology is an additive manufacturing technology, which builds up and melts materials (metal powder) layer by layer to manufacture solid products based on a digital model.
In the prior art, in powder bed electron beam additive manufacturing equipment for a 3D printing forming process, a powder box is located above a powder laying platform. When powder is spread, the scraper touches the powder taking mechanism, a certain amount of metal powder in the powder box flows to the powder spreading platform, and the scraper drives the metal powder on the powder spreading platform to move towards the forming cylinder. In order to ensure that the powder pit in the forming cylinder can be completely filled with metal powder, the metal powder taken from the powder box by the scraper is excessive every time, and after the powder pit is filled with the metal powder, the excessive metal powder is collected into the powder receiving box below the powder laying platform through the scraper through a powder falling port on the powder laying platform.
In the part printing process, the inside of the forming chamber is in a vacuum closed environment, so that the door plate of the forming chamber cannot be opened to pour the metal powder collected in the powder receiving box into the powder box again for reutilization. Redundant metal powder is collected and is connect in the powder box and can't get into the powder case again and utilize, leads to the low actual utilization ratio of metal powder in the powder case, appears the not enough problem of powder volume easily when printing jumbo size part.
It is noted that this section is intended to provide a background or context to the embodiments of the disclosure that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a powder collecting device and powder bed electron beam vibration material disk manufacturing equipment to collect in the powder bed electron beam vibration material disk manufacturing equipment that solves prior art and connect the unable reentrant powder case of metal powder in the powder box to utilize, thereby the powder case that leads to in the powder utilization ratio low, print the problem that the powder volume is not enough when jumbo size part.
In a first aspect, an embodiment of the present invention provides a powder collecting device, including:
a drive assembly;
the transmission assembly is connected with the driving assembly and is driven by the driving assembly to rotate;
and the powder collecting box is connected with the transmission assembly and is driven by the transmission assembly to move in the vertical direction.
As the preferred mode of the first aspect of the present invention, the transmission assembly includes a first sprocket, a second sprocket and a chain, the first sprocket is disposed above the second sprocket, and the chain is disposed in a vertical direction on the first sprocket and the second sprocket.
As a preferred mode of the first aspect of the present invention, the powder collecting device further includes:
and the connecting assembly is respectively connected with the transmission assembly and the powder collecting box and drives the powder collecting box to move in the vertical direction under the driving of the transmission assembly.
As a preferable mode of the first aspect of the present invention, the connecting assembly includes a supporting plate, an electric push rod, a first hinge, a second hinge, and a third hinge, the supporting plate is vertically disposed on the chain, the upper end of the supporting plate is connected to one end of the electric push rod through the first hinge, and the other end of the electric push rod is connected to the powder collecting box through the second hinge;
the lower end of the supporting plate is provided with an extension part extending outwards, and the extension part is connected with the powder collecting box through the third hinge piece.
As a preferable mode of the first aspect of the present invention, the powder collecting device further includes a weighing sensor disposed on the chain and above the supporting plate;
the weighing sensor is also connected with an external control system.
As a preferable mode of the first aspect of the present invention, the powder collecting device further includes a first photoelectric sensor and a second photoelectric sensor, the first photoelectric sensor is disposed at a position on one side of the first sprocket, and the second photoelectric sensor is disposed at a position on one side of the second sprocket;
the first photoelectric sensor and the second photoelectric sensor are also respectively connected with an external control system.
As a preferable mode of the first aspect of the present invention, the driving assembly is a stepping motor;
the stepping motor is also connected with an external control system.
In a second aspect, an embodiment of the present invention provides a powder bed electron beam additive manufacturing apparatus, including:
the powder spreading platform is arranged in the forming chamber, the powder box is arranged above the powder spreading platform, and the powder falling port is also arranged on the powder spreading platform; and the number of the first and second groups,
the powder collecting device according to any one of the first aspect and the preferred embodiments thereof described above, wherein the powder collecting device is provided in the forming chamber on a side close to the powder box and the powder drop port.
As the second aspect of the present invention, the powder outlet lower end is further provided with a powder guiding box.
The embodiment of the utility model provides a powder collection device and powder bed electron beam vibration material disk equipment through set up drive assembly and drive assembly in powder collection device, can make a collection powder case can move in vertical direction to collection powder case when vertical direction motion is in place to fall whitewashed mouthful below, collects the metal powder through falling whitewashed mouthful whereabouts, and when vertical direction motion is to being in powder case top, pours the metal powder of collecting into in the powder case again.
The utility model discloses can collect unnecessary metal powder when excessively getting powder and add again and utilize in the powder case, effectively improve powder bed electron beam vibration material disk equipment's powder case metal powder's utilization ratio, solve its problem that the powder volume is not enough when printing jumbo size part.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a powder collecting device provided in an embodiment of the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
fig. 3 is another schematic structural diagram of a powder collecting device according to an embodiment of the present invention;
FIG. 4 is an enlarged view at B of FIG. 1;
fig. 5 is a schematic structural diagram of a powder bed electron beam additive manufacturing apparatus according to an embodiment of the present invention;
fig. 6 is another schematic structural diagram of a powder bed electron beam additive manufacturing apparatus according to an embodiment of the present invention.
10, a transmission assembly, 11, a first chain wheel, 12, a second chain wheel, 13, a chain, 14, a weighing sensor, 15, a first photoelectric sensor, 16 and a second photoelectric sensor;
20. a powder collecting box;
30. the connecting assembly 31, the supporting plate 31-1, the extension part 32, the electric push rod 33, the first hinge part 34, the second hinge part 35 and the third hinge part;
40. a forming chamber;
50. a powder laying platform 51, a powder falling port 52 and a powder guiding box;
60. powder box;
70. a scraper;
80. and a forming cylinder.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the powder bed electron beam additive manufacturing equipment for the 3D printing forming process, a powder box is positioned above a powder laying platform. When powder is spread, the scraper touches the powder taking mechanism, a certain amount of metal powder in the powder box flows to the powder spreading platform, and the scraper drives the metal powder on the powder spreading platform to move towards the forming cylinder. In order to ensure that the powder pit in the forming cylinder can be completely filled with metal powder, the metal powder taken from the powder box by the scraper is excessive every time, and after the powder pit is filled with the metal powder, the excessive metal powder passes through the scraper and is collected into the powder receiving box below the powder laying platform through the powder falling port on the powder laying platform.
In the part printing process, the inside of the forming chamber is in a vacuum closed environment, so that the door plate of the forming chamber cannot be opened to pour the metal powder collected in the powder receiving box into the powder box again for reutilization. Redundant metal powder is collected and is connect in the powder box and can't get into the powder case again and utilize, leads to the low actual utilization ratio of metal powder in the powder case, appears the not enough problem of powder volume easily when printing jumbo size part.
Referring to fig. 1-4, the embodiment of the utility model discloses at first disclose a powder collecting device, the device mainly includes:
a drive assembly;
the transmission assembly 10 is connected with the driving assembly and is driven by the driving assembly to rotate;
and the powder collecting box 20 is connected with the transmission assembly 10 and moves in the vertical direction under the driving of the transmission assembly 10.
In this embodiment, the powder collecting device is installed in a forming chamber of a powder bed electron beam additive manufacturing apparatus, and mainly includes a driving assembly, a transmission assembly, and a powder collecting box. Wherein, drive assembly is connected and drives this drive assembly and takes place to rotate with drive assembly, and drive assembly is connected with the collection powder case again to can drive collection powder case and take place the motion of vertical direction under drive assembly's drive. The powder collecting box moves in the vertical direction, so that the collected redundant metal powder can be poured into the powder box of the powder bed electron beam additive manufacturing equipment again for utilization.
It should be noted that the driving assembly is not shown in the drawings due to the limitation of the drawings, but this does not affect the understanding and implementation of the technical solution by those skilled in the art. The driving assembly is connected with an external control system and is controlled to be opened or closed.
In an alternative embodiment provided by the present application, the transmission assembly 10 includes a first sprocket 11, a second sprocket 12, and a chain 13, wherein the first sprocket 11 is disposed above the second sprocket 12, and the chain 13 is disposed on the first sprocket 11 and the second sprocket 12 in a vertical direction.
Specifically, the transmission assembly comprises a first chain wheel, a second chain wheel and a chain, wherein the first chain wheel is arranged right above the second chain wheel, and then the chain is arranged on the first chain wheel and the second chain wheel. After the installation, the chain is arranged in the vertical direction. The first chain wheel is connected with the driving assembly and rotates under the driving of the driving assembly, so that the chain is driven to rotate.
Meanwhile, in order to ensure that the powder collecting box moves in the vertical direction, the collected metal powder can be poured into the powder box of the powder bed electron beam additive manufacturing equipment again, the mounting position of the first chain wheel is higher than the top of the powder box, and meanwhile, the mounting position of the second chain wheel is lower than the position of the powder falling port of the powder paving platform, so that the powder collecting box can collect the metal powder falling from the powder falling port and pour the metal powder into the powder box again.
In an optional embodiment provided by the present application, the powder collecting device further comprises: and the connecting assembly 30 is respectively connected with the transmission assembly 10 and the powder collecting box 20 and drives the powder collecting box 20 to move in the vertical direction under the driving of the transmission assembly 10.
Specifically, the powder collecting device further comprises a connecting component. This coupling assembling is connected with drive assembly and collection powder case respectively for install collection powder case on drive assembly, thereby make collection powder case can take place vertical direction's motion under drive assembly's drive, in order to pour the metal powder of collecting into the powder case of powder bed electron beam vibration material disk manufacturing equipment.
In an optional embodiment provided by the present application, the connection assembly 30 includes a support plate 31, an electric push rod 32, a first hinge 33, a second hinge 34, and a third hinge 35, the support plate 31 is vertically disposed on the chain 13, an upper end of the support plate 31 is connected to one end of the electric push rod 32 through the first hinge 33, and the other end of the electric push rod 32 is connected to the powder collecting box 20 through the second hinge 34; the lower end of the support plate 31 has an outwardly extending extension 31-1, and the extension 31-1 is connected to the dust box 20 by a third hinge 35.
Specifically, the connecting assembly comprises a supporting plate, an electric push rod, a first hinge piece, a second hinge piece and a third hinge piece. Wherein, the vertical connection of backup pad can follow the chain up-and-down motion together on the chain, and the upper end of backup pad still is connected with electric putter through first articulated elements, and electric putter's the other end then is connected to the middle part of powder collection case through the second articulated elements. The electric push rod is connected with an external control system, and the electric push rod is extended or retracted under the control of the control system.
The lower portion of the support plate also has an extension extending outwardly therefrom, the end of which is connected to the lower portion of the dust collection box by a third hinge. When the powder collecting box moves to the upper part of the powder box, the electric push rod extends out, and the upper part of the powder collecting box is turned downwards under the action of the first hinge piece, the second hinge piece and the third hinge piece, so that the collected metal powder can be poured into the powder box. After dumping, the electric push rod retracts, the upper portion of the powder collecting box retracts towards the direction of the supporting plate under the action of the first hinge piece, the second hinge piece and the third hinge piece, so that the powder collecting box is vertically arranged, and metal powder can be collected again.
In an optional embodiment provided by the present application, the powder collecting device further comprises a load cell 14, wherein the load cell 14 is arranged on the chain 13 and above the supporting plate 31; the load cell 14 is also connected to an external control system.
Specifically, this collection powder device still includes weighing sensor, and this weighing sensor installs on the chain to set up the top at the backup pad. The weighing sensor is also connected with an external control system and can weigh the weight of the metal powder in the powder collecting box by measuring the pulling force generated by the chain to the powder collecting box.
When weighing sensor's numerical value reached the setting value, the first sprocket of drive assembly drive rotated, and collection powder case upward movement, when reaching the powder case top, drive assembly stall, electric putter stretches out, and the upper end of collection powder case is overturn downwards and is poured the metal powder of collection into in the powder case. When weighing sensor's numerical value reached initial state value, initial state value is weighing sensor's numerical value when there is not metal powder in the collection powder case promptly, and the first sprocket antiport of drive assembly drive, electric putter shrink, collection powder case downstream, when reaching the powder mouth below, drive assembly stall, collection powder case begins to collect the metal powder from the powder mouth whereabouts that falls.
And repeating the actions until the whole printing process is finished.
In an alternative embodiment provided by the present application, the powder collecting device further includes a first photosensor 15 and a second photosensor 16, the first photosensor 15 is disposed at a position on the side of the first sprocket 11, and the second photosensor 16 is disposed at a position on the side of the second sprocket 12;
the first photosensor 15 and the second photosensor 16 are also connected to an external control system, respectively.
Specifically, the powder collecting device further comprises a first photoelectric sensor and a second photoelectric sensor, wherein the first photoelectric sensor is arranged at the position of one side of the first chain wheel, and the second photoelectric sensor is arranged at the position of one side of the second chain wheel.
The first photoelectric sensor and the second photoelectric sensor are also respectively connected with an external control system and used for detecting the position of the powder collecting box.
In the upward movement process of the powder collecting box, when the first photoelectric sensor detects that the powder collecting box reaches a powder returning position, namely, the powder collecting box is positioned above the powder collecting box, the control system controls the driving assembly to stop rotating, and the powder collecting box pours collected metal powder into the powder collecting box; in the downward movement process of the powder collecting box, when the second photoelectric sensor detects that the powder collecting box reaches the powder receiving position, namely, the powder collecting box is located below the powder falling port, the control system controls the driving assembly to stop rotating, and the powder collecting box starts to collect metal powder falling from the powder falling port.
In an alternative embodiment provided herein, the drive assembly is a stepper motor; the stepping motor is also connected with an external control system.
Specifically, the driving motor is preferably a stepping motor, and the stepping motor is further connected to an external control system and receives control of the control system.
To sum up, the embodiment of the utility model provides a powder collecting device through set up drive assembly and drive assembly in powder collecting device, can make a powder collecting box move in vertical direction to when powder collecting box moves to being located powder falling mouth below in vertical direction, collect the metal powder through powder falling mouth whereabouts, and when powder falling mouth top was located in vertical direction, the metal powder of collecting was poured into in the powder case again.
The powder collecting device can collect redundant metal powder when excessive powder is taken and add the redundant metal powder into the powder box again for utilization, effectively improves the utilization rate of the metal powder in the powder box of the powder bed electron beam additive manufacturing equipment, and solves the problem that the powder quantity is insufficient when large-size parts are printed.
Referring to fig. 2-5, based on the same technical concept, the embodiment of the present invention further discloses a powder bed electron beam additive manufacturing apparatus, which mainly includes:
the forming chamber 40 is internally provided with a powder laying platform 50, a powder box 60 is arranged above the powder laying platform 50, and the powder laying platform 50 is also provided with a powder falling port 51; and the number of the first and second groups,
the powder collecting device according to any one of the above embodiments, which is disposed in the forming chamber 40 on a side close to the powder box 60 and the powder drop port 51.
In this embodiment, the powder bed electron beam additive manufacturing equipment mainly comprises a forming chamber, a powder laying platform is arranged in the forming chamber, a powder box is arranged above the powder laying platform, and a powder falling port is further arranged on the powder laying platform.
Preferably, a scraper 70 is arranged on the powder laying platform 50, a forming cylinder 80 is arranged below the powder laying platform 50, and the top of the forming cylinder 80 is provided with a powder pit which is flush with the powder laying platform 50. Of course, the top of the forming chamber is further provided with an electron gun, and a heat insulation frame and the like are further arranged below the electron gun and located in the middle of the two powder boxes, which is not described herein again.
The powder collecting device is arranged in a forming chamber of powder bed electron beam additive manufacturing equipment. Two powder boxes are usually arranged in the forming chamber, and two powder falling openings on the powder laying platform can be correspondingly arranged, so that two powder collecting devices are correspondingly arranged in the embodiment and are respectively positioned on two sides of the forming chamber.
In this powder collecting device, the powder collecting box can be located the oblique below of the powder falling port when the vertical direction moves, so that the metal powder falling through the powder falling port can be collected, and the oblique upper side of the powder collecting box can be located when the vertical direction moves, so that the collected metal powder can be poured into the powder collecting box again for utilization.
In an alternative embodiment provided by the present application, the lower end of the powder outlet 51 is further provided with a powder guiding box 52.
Specifically, still set up at the lower extreme of powder mouth and drawn the powder box, the metal powder of convenient follow powder mouth whereabouts gets into powder collection box, can not cause metal powder's unrestrained.
On the basis of the structure disclosed in the above embodiment, the operation flow of the powder bed electron beam additive manufacturing apparatus will be described in detail below.
When the printing is started, the scraper takes powder from the powder box, the metal powder flows to the powder spreading platform, the metal powder on the powder spreading platform is scraped and conveyed to the forming cylinder by the scraper to fill the powder pit, and the excessive metal powder enters the powder collecting box from the powder falling port on the powder spreading platform through the powder guiding box.
When the value of the weighing sensor reaches a set value, the value is transmitted to an external control system. Under the control of the control system, the stepping motor drives the first chain wheel to rotate, so that the chain drives the powder collecting box to move upwards. When the first photoelectric sensor detects that the powder collecting box reaches the powder returning position, the result is transmitted to an external control system. Under the control of the control system, the stepping motor stops rotating, the electric push rod extends out at the same time, the upper end of the powder collecting box turns downwards around the third hinge piece, and metal powder in the powder collecting box is poured into the powder box.
And when the numerical value of the weighing sensor reaches an initial state value, namely the numerical value of the weighing sensor when no metal powder exists in the powder collecting box, transmitting the numerical value to an external control system. Under the control of the control system, the stepping motor drives the first chain wheel to rotate reversely, the electric push rod contracts, and therefore the chain drives the powder collecting box to move downwards. When the second photoelectric sensor detects that the powder collecting box reaches the powder receiving position, the result is transmitted to an external control system. Under the control of the control system, the stepping motor stops rotating, the powder collecting box starts to collect the metal powder falling from the powder falling port through the powder guiding box, and the actions are repeated until the printing is finished.
To sum up, the embodiment of the utility model provides a powder bed electron beam vibration material disk equipment through set up drive assembly and drive assembly in powder collection device, can make collection powder case can move in vertical direction to collection powder case when vertical direction motion is in place to fall whitewashed mouthful below, collects the metal powder through falling whitewashed mouthful whereabouts, and when vertical direction motion is to being in powder case top, pours the metal powder of collecting into in the powder case again.
The device can collect redundant metal powder when excessive powder is taken and add the redundant metal powder into the powder box again for utilization, effectively improves the utilization rate of the metal powder in the powder box of the powder bed electron beam additive manufacturing device, and solves the problem that the powder quantity is not enough when large-size parts are printed.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are the directions or positional relationships shown in the drawings, or the directions or positional relationships usually placed when the products of the present invention are used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the indicated 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 invention.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A powder collecting device, comprising:
a drive assembly;
the transmission assembly is connected with the driving assembly and is driven by the driving assembly to rotate;
and the powder collecting box is connected with the transmission assembly and is driven by the transmission assembly to move in the vertical direction.
2. A powder collecting device according to claim 1, wherein the transmission assembly comprises a first sprocket, a second sprocket and a chain, the first sprocket being disposed above the second sprocket, the chain being disposed in a vertical direction on the first sprocket and the second sprocket.
3. A powder collecting device as defined in claim 2, further comprising:
and the connecting assembly is respectively connected with the transmission assembly and the powder collecting box and drives the powder collecting box to move in the vertical direction under the driving of the transmission assembly.
4. A powder collecting device as claimed in claim 3, wherein the connecting assembly comprises a support plate, an electric push rod, a first hinge, a second hinge and a third hinge, the support plate is vertically arranged on the chain, the upper end of the support plate is connected with one end of the electric push rod through the first hinge, and the other end of the electric push rod is connected with the powder collecting box through the second hinge;
the lower end of the supporting plate is provided with an extension part extending outwards, and the extension part is connected with the powder collecting box through the third hinge piece.
5. A powder collecting device as claimed in claim 4, further comprising a load cell disposed on the chain above the support plate;
the weighing sensor is also connected with an external control system.
6. A powder collecting device according to claim 2, further comprising a first photosensor and a second photosensor, the first photosensor being provided at a position on the side of the first sprocket, the second photosensor being provided at a position on the side of the second sprocket;
the first photoelectric sensor and the second photoelectric sensor are also respectively connected with an external control system.
7. A powder collecting device as defined in claim 1, wherein the driving assembly is a stepping motor;
the stepping motor is also connected with an external control system.
8. A powder bed electron beam additive manufacturing apparatus, comprising:
the powder spreading platform is arranged in the forming chamber, the powder box is arranged above the powder spreading platform, and the powder falling port is also arranged on the powder spreading platform; and the number of the first and second groups,
a powder collecting device as claimed in any one of claims 1 to 7, which is provided in the forming chamber on a side close to the powder box and the powder drop port.
9. The powder bed electron beam additive manufacturing equipment according to claim 8, wherein a powder guiding box is further arranged at the lower end of the powder falling port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202120345518.4U CN212734153U (en) | 2021-02-07 | 2021-02-07 | Powder collecting device and powder bed electron beam additive manufacturing equipment |
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|---|---|---|---|
| CN202120345518.4U CN212734153U (en) | 2021-02-07 | 2021-02-07 | Powder collecting device and powder bed electron beam additive manufacturing equipment |
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| CN212734153U true CN212734153U (en) | 2021-03-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559059A (en) * | 2022-03-10 | 2022-05-31 | 西安赛隆金属材料有限责任公司 | Powder bed electron beam additive manufacturing equipment and method |
| CN115592412A (en) * | 2022-11-28 | 2023-01-13 | 中国航空制造技术研究院（Cn） | Forming device and method for reducing defects of electron beam fuse formed product |
-
2021
- 2021-02-07 CN CN202120345518.4U patent/CN212734153U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559059A (en) * | 2022-03-10 | 2022-05-31 | 西安赛隆金属材料有限责任公司 | Powder bed electron beam additive manufacturing equipment and method |
| CN114559059B (en) * | 2022-03-10 | 2023-09-12 | 西安赛隆金属材料有限责任公司 | Powder bed electron beam additive manufacturing equipment and method |
| CN115592412A (en) * | 2022-11-28 | 2023-01-13 | 中国航空制造技术研究院（Cn） | Forming device and method for reducing defects of electron beam fuse formed product |
| CN115592412B (en) * | 2022-11-28 | 2023-03-14 | 中国航空制造技术研究院 | Forming device and method for reducing defects of electron beam fuse formed product |
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