CN213350835U - Metal powder recovery mechanism of metal three-dimensional printer - Google Patents
Metal powder recovery mechanism of metal three-dimensional printer Download PDFInfo
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- CN213350835U CN213350835U CN202022185246.4U CN202022185246U CN213350835U CN 213350835 U CN213350835 U CN 213350835U CN 202022185246 U CN202022185246 U CN 202022185246U CN 213350835 U CN213350835 U CN 213350835U
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Abstract
The utility model provides a metal powder recovery mechanism of metal three-dimensional printer, including upset subassembly, recovery room and reposition of redundant personnel subassembly, the upset subassembly includes the rotary drum, first flashboard and second flashboard, the rotary drum separates the accumulator notch into two independent areas, the planking of first flashboard and second flashboard flushes respectively in the rotary drum wall, first flashboard and second flashboard tightly wedge respectively in two independent areas, the reposition of redundant personnel subassembly includes joint pipe and baffle, the baffle is fixed connection in the joint pipe and separates the joint pipe into two independent spaces, two recovery rooms are fixed connection in the joint pipe bottom simultaneously; through the level and the vertical state of the rotatory switching first flashboard of rotary drum or second flashboard, realize two independent areas of the open of selectivity and closed recovery tank notch to reach the purpose that can categorised recovery residual powder, and separate the adapter tube through the baffle and prevent that two kinds of powders from falling into same recovery indoor emergence and mixing.
Description
Technical Field
The utility model relates to a laser election district technical field especially relates to a metal three-dimensional inkjet printer's metal powder recovery mechanism.
Background
Three-dimensional printing, more precisely, the selective laser or electron beam melting technique is a net forming process in which three-dimensional figures are sliced layer by layer to generate scanning tracks, powder is mechanically spread on a forming platform with fixed size by a scraper, laser or electron beam is used as a heat source, the laser scans and melts/sinters the powder along the tracks through a vibrating mirror, the electron beam scans and melts or sinters the powder along the tracks through a deflection coil, a layer of new powder is spread after the height of the powder bed is reduced by one layer, and the process materials are stacked layer by layer. With the development and progress of science and technology, the application of the three-dimensional printing technology in the field of metal material forming is expected.
At present, the metal three-dimensional printer in the market has multiple purposes, most of which are suitable for the molding operation of single material or single gradient material, and a recovery groove is designed beside a molding cavity so as to recover a small amount of residual powder when the scraper is layered.
Although some equipment for molding by adopting composite materials also exists in the market, the equipment also adopts a single recovery tank design, so that the recovered powder is seriously mixed, and the cost of subsequent treatment is increased. Therefore, the research on the technical problem of classifying and recycling powder of a metal three-dimensional printer formed by adopting a composite material in the prior art is basically blank, and a skilled person needs to solve the problem.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can be applicable to combined material and carry out former, avoid the powder of retrieving to mix the metal three-dimensional inkjet printer's that is serious metal powder recovery mechanism.
The technical scheme of the utility model is realized like this: the utility model provides a metal powder recovery mechanism of a metal three-dimensional printer, which comprises a platform, wherein the upper surface of the platform is provided with a forming cavity, and the metal powder recovery mechanism also comprises a turning component, a recovery chamber and a shunting component; the upper surface of the platform is also provided with a recovery tank which is positioned on one side of the forming cavity; the turnover assembly comprises a rotary drum, a first flashboard and a second flashboard, two ends of the rotary drum are connected to the inner walls of two sides of the recovery tank in a shaft mode, the rotary drum is horizontally arranged and perpendicular to the moving direction of a scraper of the printer, a notch of the recovery tank is divided into two independent areas by the rotary drum, the first flashboard and the second flashboard are fixedly connected to the outer wall of the rotary drum, the board surfaces of the first flashboard and the second flashboard are perpendicular to each other, the outer board surfaces of the first flashboard and the second flashboard are respectively flush with the wall of the rotary drum, and the first flashboard and the second flashboard; the flow dividing assembly comprises a joint pipe and a partition plate, the joint pipe is fixedly connected to the lower surface of the platform, an inlet at the top of the joint pipe is positioned right below the recovery tank, the partition plate is fixedly connected into the joint pipe and divides the joint pipe into two independent spaces, and the top end surface of the partition plate and the side surface of the first flashboard or the second flashboard, which is far away from the rotary drum, are tightly abutted against each other; two recovery chambers are simultaneously fixed connection in joint bottom of tubes end, and the top import of two recovery chambers communicates in two independent spaces respectively.
On the basis of the above technical solution, preferably, the outer plate surface of the first gate plate or the second gate plate when horizontally arranged is flush with the upper surface of the platform.
On the basis of above technical scheme, preferably, the planking face of first flashboard or second flashboard when vertical setting flushes respectively in baffle both sides face.
On the basis of the above technical scheme, preferably, the drum equally divides the recovery tank notch, and the first gate and the second gate are completely the same.
Still further preferably, the lower plate surface of the first flashboard and the lower plate surface of the second flashboard are far away from one end of the rotary drum and are provided with a notch, the flow dividing assembly further comprises a step, the step is fixedly connected to the top of the partition plate, and the groove surface in the notch is tightly abutted against the side surface of the step.
On the basis of the technical scheme, preferably, the upper surface of the platform is further provided with a limiting groove, the forming cavity and the recovery groove are located in the limiting groove, and the recovery groove is close to one end of the limiting groove.
On the basis of the technical scheme, the automatic recovery device is preferable and further comprises a rotating shaft and a motor, the motor is fixedly installed on the side face of the platform, the rotating shaft is fixedly connected into the rotating drum, one end of the rotating shaft is connected to the side wall of the recovery tank in a shaft mode, and the other end of the rotating shaft penetrates through the platform and is fixedly connected to an output shaft of the motor.
Still further preferably, the motor further comprises a coupling fixedly connected between the end of the rotating shaft and the motor.
Still further preferably, the motor is a stepper motor.
The utility model discloses a metal three-dimensional inkjet printer's metal powder recovery mechanism has following beneficial effect for prior art:
according to the invention, the horizontal state and the vertical state of the first gate plate or the second gate plate are switched through the rotation of the rotary drum, so that two independent areas of the notch of the recovery groove are selectively opened and closed, the purpose of classifying and recovering residual powder is achieved, the joint pipe is separated by the partition plate to prevent the two kinds of powder from falling into the same recovery chamber to be mixed, the problem of subsequent separation is avoided, and the operation cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of the recovery mechanism of the present invention;
fig. 2 is a view at a in fig. 1 according to the present invention;
FIG. 3 is a side sectional view of the recovery tank of the present invention;
fig. 4 is a front cross-sectional view of the recovery tank of the present invention.
In the figure: 1. a platform; 11. a molding cavity; 12. a recovery tank; 13. a limiting groove; 2. a turnover assembly; 21. A rotating drum; 22. a first shutter plate; 23. a second shutter plate; 24. notching; 3. a recovery chamber; 4. a flow diversion assembly; 41. a joint pipe; 42. a partition plate; 43. a step; 5. a rotating shaft; 6. a motor; 7. a coupling is provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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 work all belong to the protection scope of the present invention.
As shown in figure 1, combine figure 2, the utility model discloses a metal three-dimensional inkjet printer's metal powder retrieves mechanism, including platform 1, shaping chamber 11 has been seted up to platform 1 upper surface, still includes upset subassembly 2, retrieves room 3, reposition of redundant personnel subassembly 4, pivot 5, motor 6 and shaft coupling 7.
Wherein, the upper surface of the platform 1 is also provided with a recovery groove 12, and the recovery groove 12 is positioned at one side of the forming cavity 11.
The turnover assembly 2 comprises a rotary drum 21, a first gate plate 22 and a second gate plate 23, two ends of the rotary drum 21 are connected to the inner walls of two sides of the recovery tank 12 in a shaft mode, the rotary drum 21 is horizontally arranged and perpendicular to the moving direction of a scraper of the printer, and the rotary drum 21 divides a notch of the recovery tank 12 into two independent areas for separately recovering metal powder of two materials. Wherein preferably, the drum 21 equally divides the notch of the recovery groove 12, and the first shutter 22 and the second shutter 23 are identical.
The first flashboard 22 and the second flashboard 23 are fixedly connected to the outer wall of the rotary drum 21, the plate surfaces of the first flashboard 22 and the second flashboard 23 are perpendicular to each other, the outer plate surfaces of the first flashboard 22 and the second flashboard 23 are respectively flush with the wall of the rotary drum 21, the first flashboard 22 and the second flashboard 23 are respectively and tightly wedged in two independent areas, so that the first flashboard 22 and the second flashboard 23 are ensured to be only one of the two independent areas of the notch of the recovery groove 12 in the same powder scraping and layering process, and the two kinds of powder are prevented from falling into the same recovery chamber 3 to be mixed.
The flow dividing assembly 4 comprises a joint pipe 41 and a partition plate 42, the joint pipe 41 is fixedly connected to the lower surface of the platform 1, an inlet at the top of the joint pipe 41 is positioned right below the recovery groove 12, the partition plate 42 is fixedly connected into the joint pipe 41 and divides the joint pipe 41 into two independent spaces, and the top end surface of the partition plate 42 and the side surface of the first gate plate 22 or the second gate plate 23 far away from the rotary drum 21 are tightly abutted with each other and are used for respectively and independently communicating the recovery chamber 3.
Two recovery chambers 3 are simultaneously fixed connection in connector 41 bottom, and the top import of two recovery chambers 3 communicates in two independent spaces respectively for collect the metal powder of retrieving.
Specifically, the invention is also realized by the following technical scheme.
As shown in fig. 1 and in combination with fig. 4, the motor 6 is fixedly installed on the side of the platform 1, and the rotating shaft 5 is fixedly connected in the rotating drum 21 to provide a driving force.
One end of the rotating shaft 5 is coupled to the side wall of the recycling tank 12, and the other end of the rotating shaft 5 penetrates through the platform 1 and is fixedly connected to the output shaft of the motor 6, so as to drive the rotating drum 21 to rotate.
In addition, as shown in fig. 1, with reference to fig. 3, the first gate plate 22 and the second gate plate 23 have a groove 24 at one end thereof far away from the drum 21, the flow dividing assembly 4 further includes a step 43, the step 43 is fixedly connected to the top of the partition plate 42, and the groove surface in the groove 24 tightly abuts against the side surface of the step 43, so as to avoid the excessive overturning angle of the first gate plate 22 and the second gate plate 23, thereby avoiding the mutual communication of two independent spaces of the joint pipe 41 and the powder mixing.
As an alternative embodiment, the coupling 7 is fixedly connected between the end of the rotating shaft 5 and the motor 6 to improve the connection precision therebetween, and further improve the turning precision of the first shutter 22 and the second shutter 23.
In order to avoid the obstruction when the powder is scraped and pushed, the outer plate surface of the first gate plate 22 or the second gate plate 23 is flush with the upper surface of the platform 1 when the first gate plate or the second gate plate is horizontally arranged.
In order to avoid the situation that powder is blocked when the powder falls into the recovery chamber 3 or the powder is hung on the inner wall of the joint pipe 41, the outer plate surfaces of the first gate plate 22 or the second gate plate 23 are respectively flush with the two side plate surfaces of the partition plate 42 when the first gate plate 22 or the second gate plate 23 is vertically arranged.
As an optional embodiment, the upper surface of the platform 1 is further provided with a limiting groove 13, the molding cavity 11 and the recovery groove 12 are located in the limiting groove 13, and the recovery groove 12 is close to one end of the limiting groove 13, so that residual powder after powder scraping and layering can be prevented from running out of the limiting groove 13.
As an alternative embodiment, the motor 6 is a stepping motor to control the rotation angle of the drum 21, thereby controlling the first shutter 22 and the second shutter 23 to completely close or open two independent areas of the notch of the recovery tank 12.
The working principle is as follows:
when the molding of the first material is carried out, the first shutter 22 is vertically arranged to open an independent area of the notch of the recovery groove 12 far away from the molding cavity 11, while the second shutter 23 is horizontally arranged to close an independent area of the notch of the recovery groove 12 near the molding cavity 11, and after the powder layering is scraped by the scraper, the remaining first material is scraped and pushed into the open area of the recovery groove 12.
Before the shaping of carrying out the second kind of material, starter motor 6 drive pivot 5 rotates, drives rotary drum 21 and rotates, makes first flashboard 22 upset be the independent region of keeping away from shaping chamber 11 of level setting in order to seal recovery tank 12 notch, makes second flashboard 23 upset simultaneously for vertical setting in order to open the independent region that is close to shaping chamber 11 of recovery tank 12 notch. Then, the second material is molded and scraped to the now open area of the recovery tank 12 to be recovered.
When the molding of the first material is performed again, the reverse motor 6 switches the arrangement states of the first shutter 22 and the second shutter 23 to switch the open or closed states of the two independent areas of the recovery tank 12. The above process is repeated repeatedly.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a metal three-dimensional inkjet printer's metal powder recovery mechanism, includes platform (1), and shaping chamber (11), its characterized in that have been seted up to platform (1) upper surface: the device also comprises a turnover component (2), a recovery chamber (3) and a flow dividing component (4);
the upper surface of the platform (1) is also provided with a recovery groove (12), and the recovery groove (12) is positioned on one side of the forming cavity (11);
the turnover component (2) comprises a rotary drum (21), a first gate plate (22) and a second gate plate (23), two ends of the rotary drum (21) are connected to the inner walls of two sides of the recovery tank (12) in a shaft mode, the rotary drum (21) is horizontally arranged and perpendicular to the moving direction of a printer scraper, the notch of the recovery tank (12) is divided into two independent areas by the rotary drum (21), the first gate plate (22) and the second gate plate (23) are fixedly connected to the outer wall of the rotary drum (21), the plate surfaces of the first gate plate (22) and the second gate plate (23) are perpendicular to each other, the outer plate surfaces of the first gate plate (22) and the second gate plate (23) are respectively flush with the cylindrical wall of the rotary drum (21), and the first gate plate (22) and the second gate plate (23) are respectively and tightly wedged in the two independent areas;
the flow dividing assembly (4) comprises a joint pipe (41) and a partition plate (42), the joint pipe (41) is fixedly connected to the lower surface of the platform (1), an inlet at the top of the joint pipe (41) is positioned right below the recovery tank (12), the partition plate (42) is fixedly connected into the joint pipe (41) and divides the joint pipe (41) into two independent spaces, and the top end surface of the partition plate (42) and the side surface, far away from the rotary drum (21), of the first gate plate (22) or the second gate plate (23) are tightly abutted with each other;
the two recovery chambers (3) are simultaneously and fixedly connected to the bottom ends of the joint pipes (41), and top inlets of the two recovery chambers (3) are respectively communicated with the two independent spaces.
2. The metal powder recovery mechanism of a metal three-dimensional printer according to claim 1, wherein: the outer plate surface of the first gate plate (22) or the second gate plate (23) is flush with the upper surface of the platform (1) when the first gate plate or the second gate plate is horizontally arranged.
3. The metal powder recovery mechanism of a metal three-dimensional printer according to claim 1, wherein: when the damper is vertically arranged, the outer plate surfaces of the first damper plate (22) or the second damper plate (23) are respectively flush with the plate surfaces on two sides of the partition plate (42).
4. The metal powder recovery mechanism of a metal three-dimensional printer according to claim 1, wherein: the drum (21) divides the notch of the recovery groove (12) equally, and the first shutter (22) and the second shutter (23) are identical.
5. The metal powder recovery mechanism of a metal three-dimensional printer according to claim 4, wherein: the plate surface is kept away from rotary drum (21) one end under first flashboard (22) and second flashboard (23) and all offers scarce groove (24), reposition of redundant personnel subassembly (4) still include step (43), step (43) fixed connection is in baffle (42) top, the inslot face in scarce groove (24) closely supports and leans on step (43) side.
6. The metal powder recovery mechanism of a metal three-dimensional printer according to claim 1, wherein: the upper surface of the platform (1) is further provided with a limiting groove (13), the forming cavity (11) and the recovery groove (12) are located in the limiting groove (13), and the recovery groove (12) is close to one end of the limiting groove (13).
7. The metal powder recovery mechanism of a metal three-dimensional printer according to claim 1, wherein: still include pivot (5) and motor (6), motor (6) fixed mounting is in platform (1) side, pivot (5) fixed connection is in rotary drum (21), pivot (5) one end coupling in accumulator (12) lateral wall, pivot (5) other end runs through platform (1) and fixed connection in motor (6) output shaft.
8. The metal powder recovery mechanism of a metal three-dimensional printer according to claim 7, wherein: the motor is characterized by further comprising a coupler (7), wherein the coupler (7) is fixedly connected between the end part of the rotating shaft (5) and the motor (6).
9. The metal powder recovery mechanism of a metal three-dimensional printer according to claim 7, wherein: the motor (6) is a stepping motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022185246.4U CN213350835U (en) | 2020-09-29 | 2020-09-29 | Metal powder recovery mechanism of metal three-dimensional printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022185246.4U CN213350835U (en) | 2020-09-29 | 2020-09-29 | Metal powder recovery mechanism of metal three-dimensional printer |
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| CN213350835U true CN213350835U (en) | 2021-06-04 |
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| CN202022185246.4U Active CN213350835U (en) | 2020-09-29 | 2020-09-29 | Metal powder recovery mechanism of metal three-dimensional printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117840464A (en) * | 2024-03-07 | 2024-04-09 | 西安五砂机械设备有限公司 | Powder return pipeline device for metal 3D printing equipment |
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2020
- 2020-09-29 CN CN202022185246.4U patent/CN213350835U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117840464A (en) * | 2024-03-07 | 2024-04-09 | 西安五砂机械设备有限公司 | Powder return pipeline device for metal 3D printing equipment |
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