CN113020631A - Powder return pipeline device of metal 3D printing equipment - Google Patents
Powder return pipeline device of metal 3D printing equipment Download PDFInfo
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- CN113020631A CN113020631A CN202110256214.5A CN202110256214A CN113020631A CN 113020631 A CN113020631 A CN 113020631A CN 202110256214 A CN202110256214 A CN 202110256214A CN 113020631 A CN113020631 A CN 113020631A
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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
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Abstract
The invention discloses a powder return pipeline device of metal 3D printing equipment, which comprises a fixed shell, a workbench, a powder suction hole, a baffle, a bent pipe, a fixed pipe, a bidirectional powder suction head, a sliding block, a powder suction machine, a connecting pipe, a driven gear II, a motor I, a motor II, a driving gear II, a movable seat, an annular groove, an annular disc body, a movable pipe and the like, wherein the workbench is arranged on the workbench; the bidirectional powder suction head is reasonable and simple in structure, low in production cost and convenient to install, and can be used for recovering local metal powder inside a workbench and a fixed shell, so that the powder suction machine is ensured to have enough suction to suck and recycle the metal powder, and the phenomenon that the whole metal powder recovery is not thorough due to the fact that the suction is insufficient is avoided; the two-way powder suction head can be rotated to any direction under the workbench by the aid of the second motor, and accordingly the effect of recovering the two-way powder suction head in different directions is improved.
Description
The technical field is as follows:
the invention relates to the technical field of metal 3D printing equipment components, in particular to a powder return pipeline device of metal 3D printing equipment.
Background art:
3D printing (3DP), one of the rapid prototyping technologies, is a technology that constructs an object by using an adhesive material such as powdered metal or plastic based on a digital model file and by printing layer by layer; metal 3D prints more and more flourishing, has all brought huge help for in the aspect of industry, medicine etc. and metal powder needs to be retrieved after metal 3D printer casting mould is accomplished, and present metal 3D printing apparatus returns powder pipe device and retrieves thoroughly effectively inadequately to metal powder, especially to the recovery of this kind of metal powder that density is big.
The invention content is as follows:
the invention aims to solve the problems, and provides a powder return pipeline device of a metal 3D printing device, which solves the problem that the existing powder return pipeline device of the metal 3D printing device is not thorough and effective in recovering metal powder, and particularly the metal powder with high density is recovered.
In order to solve the above problems, the present invention provides a technical solution: the utility model provides a metal 3D printing apparatus returns whitewashed pipe installation, includes equipment shell, and its innovation point lies in: the powder suction device comprises a fixed shell, a workbench, a powder suction hole, a baffle, a bent pipe, a fixed pipe, a connecting block, a mounting seat, a powder suction channel, a first driving gear, a first driven gear, a transmission shaft, a guide groove, a screw rod, a bidirectional powder suction head, a sliding block, a powder suction machine, a connecting pipe, a second driven gear, a first motor, a second driving gear, a movable seat, an annular groove, an annular disc body and a movable pipe; the fixed shell is fixedly connected to the center of the lower side in the equipment shell, and a workbench is fixedly connected to an opening on the upper side of the fixed shell; a plurality of powder suction holes are uniformly formed in the workbench, and inclined baffles are arranged between the peripheral edge of the upper side of the workbench and the inner wall of the equipment shell; the movable seat is movably connected in a groove arranged in the center of the lower side in the fixed shell, a driven gear II is fixedly connected to the outer portion of the lower side of the movable seat, the top of the movable seat is fixedly connected with the center of the lower side of the installation seat, an annular disc body is fixedly connected to the side face of the upper side of the movable seat, and the top face of the annular disc body is also fixedly connected with the center of the bottom face of the installation seat; a powder suction channel is arranged on the inner side of the left side of the mounting seat, a transverse guide groove is arranged in the inner side of the right side face of the mounting seat, and a connecting block is fixedly connected to the left side of the upper surface of the mounting seat; a fixed pipe is fixedly connected to the upper surface of the connecting block, and the left opening of the fixed pipe is connected with the left inlet of the powder suction channel through a bent pipe; the inner part of the right side of the fixed pipe is transversely and movably connected with a movable pipe; the screw rod is movably connected to the center of the guide groove, and the left end of the screw rod is fixedly connected with a first driven gear; the sliding block is transversely movably connected inside the guide groove, the outside of the front side of the sliding block is fixedly connected with a bidirectional powder suction head, a connector at the left upper side of the bidirectional powder suction head is connected with an inlet at the right side of the movable pipe, and a threaded hole arranged in the center of the sliding block is connected with the screw rod; the transmission shaft is movably connected with a vertical hole arranged in the center of the movable seat, and the shaft end on the upper side of the transmission shaft is fixedly connected with a first driving gear; the first driving gear is connected with the first driven gear, and the first driving gear and the first driven gear are both located in the center of the mounting seat; the first motor is fixedly connected to the center of the bottom of the fixed shell, and an output shaft on the upper side of the first motor is fixedly connected with the shaft end on the lower side of the transmission shaft; the second motor is fixedly connected to the left side of the bottom of the fixed shell, a second driving gear is fixedly connected to an output shaft on the upper side of the second motor, and the second driving gear is connected with a second driven gear; the annular groove is arranged in the center of the bottom surface in the fixed shell, the top surface of the upper side of the annular groove is connected with the bottom surface of the annular disc body, and the outlet of the lower right side of the annular groove is connected with the powder suction port on the upper left side of the powder suction machine through a connecting pipe; the powder suction machine is fixedly connected inside the right lower side of the equipment shell; the left side of the annular disc body is provided with a vertical through hole, the upper side of the vertical through hole is communicated with an outlet at the right lower side of the powder sucking channel, and the lower side of the vertical through hole is communicated with the inside of the annular groove.
Preferably, the specific structure of the bidirectional powder suction head comprises a connecting seat, an upper powder suction groove, bristles, a communicating pipe, a connecting port and a lower powder suction groove; the upper powder suction groove is formed in the inner portion of the upper side of the connecting seat, a plurality of bristles are uniformly and fixedly connected to the top surface of the edge of the upper side of the upper powder suction groove, and a connecting port is formed in the left side of the upper powder suction groove; the lower powder suction groove is arranged inside the lower side of the connecting seat; the outer portion of the lower side of the communicating pipe is fixedly connected to the inner portion of a vertical hole formed in the center of the connecting seat, an opening in the lower side of the communicating pipe is communicated with the center of the upper side of the lower powder suction groove, and an outlet in the upper left side of the communicating pipe is communicated with the left side of the upper powder suction groove.
Preferably, the bottom surface of the upper powder suction groove is an inclined plane with a lower left part and a higher right part.
Preferably, the lower powder suction groove is in a bell mouth shape.
Preferably, the powder suction machine comprises a machine base, a collecting box, a powder suction port, a filter tank, a filter screen, an air suction hole and an air extractor; a filter tank is arranged on the left upper side inside the machine base, and a powder suction port is arranged on the left side of the filter tank; the collecting box is movably connected to the inner part of the right side of the machine base; the air exhaust hole is formed in the right side of the filter tank, and the right outlet of the air exhaust hole is connected with the inlet of the air extractor; the filter screen is located aspirating hole left side entrance, the filter screen is slope fixed connection on the inside right side of filter-tank.
Preferably, a sealing cover is arranged on the right side of the collecting box.
Preferably, at least one scraper is movably connected inside the annular groove, and the upper side of the scraper is fixedly connected to the bottom surface of the annular disc body.
Preferably, the first motor and the second motor are both servo motors or stepping motors.
The invention has the beneficial effects that:
(1) the bidirectional powder suction head is reasonable and simple in structure, low in production cost and convenient to install, and the two-way powder suction head can be used for recovering the metal powder at the part of the workbench and at the part inside the fixed shell, so that the powder suction machine is ensured to have enough suction force to suck and recycle the metal powder, and the phenomenon that the whole metal powder recovery is not thorough due to the fact that the suction force is insufficient is avoided.
(2) The two-way powder suction head can be rotated to any direction under the workbench by the aid of the second motor, and accordingly the effect of recovering the two-way powder suction head in different directions is improved.
(3) The other motor I arranged in the invention can drive the sliding block to drive the bidirectional powder suction head to move radially along the guide groove, so that more metal powder at each position of the workbench can be recycled.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a schematic structural diagram of the bidirectional powder suction head.
Fig. 4 is a schematic structural diagram of the powder suction machine.
1-an equipment housing; 2-fixing the shell; 3-a workbench; 4-powder sucking hole; 5-a baffle plate; 6-bending the pipe; 7-a fixed tube; 8-connecting blocks; 9-a mounting seat; 10-a powder suction channel; 11-a first driving gear; 12-a driven gear one; 13-a drive shaft; 14-a guide groove; 15-screw rod; 16-bidirectional powder suction head; 17-a slide block; 18-powder suction machine; 19-a connecting tube; 20-driven gear two; 21-motor one; 22-motor two; 23-driving gear two; 24-a movable seat; 25-an annular groove; 26-an annular disk body; 27-a movable tube; 161-a connecting seat; 162-upper powder suction groove; 163-bristles; 164-communicating tube; 165-connection port; 166-lower powder suction groove; 181-machine base; 182-a collection box; 183-powder sucking port; 184-a filter tank; 185-a filter screen; 186-suction holes; 187-air extractor.
The specific implementation mode is as follows:
as shown in fig. 1 and fig. 2, the following technical solutions are adopted in the present embodiment: a powder return pipeline device of a metal 3D printing device comprises a device shell 1, and further comprises a fixed shell 2, a workbench 3, a powder suction hole 4, a baffle 5, a bent pipe 6, a fixed pipe 7, a connecting block 8, a mounting seat 9, a powder suction channel 10, a first driving gear 11, a first driven gear 12, a transmission shaft 13, a guide groove 14, a screw 15, a bidirectional powder suction head 16, a sliding block 17, a powder suction machine 18, a connecting pipe 19, a second driven gear 20, a first motor 21, a second motor 22, a second driving gear 23, a movable seat 24, an annular groove 25, an annular disc body 26 and a movable pipe 27; the fixed shell 2 is fixedly connected to the center of the lower side in the equipment shell 1, and an opening on the upper side of the fixed shell 2 is fixedly connected with a workbench 3; a plurality of powder sucking holes 4 are uniformly formed in the workbench 3, and inclined baffles 5 are arranged between the peripheral edges of the upper side of the workbench 3 and the inner wall of the equipment shell 1; the movable seat 24 is movably connected in a groove arranged in the center of the lower side in the fixed shell 2, a driven gear II 20 is fixedly connected to the outer portion of the lower side of the movable seat 24, the top of the movable seat 24 is fixedly connected with the center of the lower side of the installation seat 9, an annular disc body 26 is fixedly connected to the side face of the upper side of the movable seat 24, and the top face of the annular disc body 26 is also fixedly connected with the center of the bottom face of the installation seat 9; a powder suction channel 10 is arranged on the inner side of the left side of the mounting seat 9, a transverse guide groove 14 is arranged in the inner side of the right side face of the mounting seat 9, and a connecting block 8 is fixedly connected to the left side of the upper face of the mounting seat 9; a fixed pipe 7 is fixedly connected to the upper surface of the connecting block 8, and the left opening of the fixed pipe 7 is connected with the left inlet of the powder suction channel 10 through a bent pipe 6; a movable pipe 27 is transversely and movably connected inside the right side of the fixed pipe 7; the screw rod 15 is movably connected to the center of the guide groove 14, and the left end of the screw rod 15 is fixedly connected with a driven gear I12; the sliding block 17 is transversely movably connected inside the guide groove 14, the outside of the front side of the sliding block 17 is fixedly connected with a bidirectional powder suction head 16, a connector at the left upper side of the bidirectional powder suction head 16 is connected with an inlet at the right side of the movable pipe 27, and a threaded hole arranged in the center of the sliding block 17 is connected with the screw rod 15; the transmission shaft 13 is movably connected with a vertical hole arranged in the center of the movable seat 24, and a driving gear I11 is fixedly connected with the upper side shaft end of the transmission shaft 13; the driving gear I11 is connected with the driven gear I12, and the driving gear I11 and the driven gear I12 are both positioned in the center of the mounting seat 9; the motor I21 is fixedly connected to the center of the bottom of the fixed shell 2, and an output shaft on the upper side of the motor I21 is fixedly connected with a shaft end on the lower side of the transmission shaft 13; the second motor 22 is fixedly connected to the left side of the bottom of the fixed shell 2, a second driving gear 23 is fixedly connected to an output shaft on the upper side of the second motor 22, and the second driving gear 23 is connected with a second driven gear 20; the annular groove 25 is arranged in the center of the bottom surface in the fixed shell 2, the top surface of the upper side of the annular groove 25 is connected with the bottom surface of the annular disc 26, and the outlet of the lower right side of the annular groove 25 is connected with the powder suction port of the upper left side of the powder suction machine 18 through a connecting pipe 19; the powder suction machine 18 is fixedly connected inside the right lower side of the equipment shell 1; the left side of the annular disc body 26 is provided with a vertical through hole, the upper side of the vertical through hole is communicated with the outlet at the lower right side of the powder sucking channel 10, and the lower side of the vertical through hole is communicated with the inside of the annular groove 25.
As shown in fig. 3, the specific structure of the bidirectional powder suction head 16 includes a connection seat 161, an upper powder suction groove 162, bristles 163, a communicating pipe 164, a connection port 165, and a lower powder suction groove 166; the upper powder suction groove 162 is arranged inside the upper side of the connecting seat 161, a plurality of bristles 163 are uniformly and fixedly connected to the top surface of the edge of the upper side of the upper powder suction groove 162, and a connecting port 165 is arranged on the left side of the upper powder suction groove 162; the lower powder suction groove 166 is arranged inside the lower side of the connecting seat 161; the outside of the lower side of the communicating pipe 164 is fixedly connected to the inside of a vertical hole formed in the center of the connecting base 161, the opening of the lower side of the communicating pipe 164 is communicated with the center of the upper side of the lower powder suction groove 166, and the outlet of the upper left side of the communicating pipe 164 is communicated with the left side of the upper powder suction groove 162.
Wherein, the bottom surface of the upper powder suction groove 162 is an inclined plane with a lower left and a higher right; the lower powder suction groove 166 has a bell mouth shape.
As shown in fig. 4, the specific structure of the powder suction machine 18 includes a base 181, a collection box 182, a powder suction port 183, a filter tank 184, a filter screen 185, a suction hole 186 and a suction machine 187; a filter tank 184 is arranged on the left upper side inside the base 181, and a powder suction port 183 is arranged on the left side of the filter tank 184; the collecting box 182 is movably connected to the inside of the right side of the base 181; the air suction hole 186 is arranged inside the right side of the filter tank 184, and the outlet on the right side of the air suction hole 186 is connected with the inlet of an air extractor 187; the filter screen 185 is positioned at the left inlet of the suction hole 186, and the filter screen 185 is fixedly connected to the right side inside the filter tank 184 in an inclined manner.
Wherein, a sealing cover is arranged at the right side of the collecting box 182; at least one scraper is movably connected inside the annular groove 25, and the upper side of the scraper is fixedly connected to the bottom surface of the annular disc body 26, so that metal powder can be effectively prevented from staying in the annular groove 25 to cause blockage, and the recovery stability and reliability are improved; the first motor 21 and the second motor 22 are both servo motors or stepping motors.
The using state of the invention is as follows: the invention has the advantages of reasonable and simple structure, low production cost and convenient installation, when in use, the powder absorbing machine 18 is firstly started, so that the metal powder on the worktable 3 can be absorbed through the bidirectional powder absorbing head 16, and simultaneously the metal powder falling into the fixed shell 2 can be absorbed, the bidirectional powder absorbing head 16 arranged here can recover the local metal powder on the worktable 3 and the local metal powder in the fixed shell 2, thereby ensuring that the powder absorbing machine 18 has enough suction to absorb and recycle the metal powder, avoiding the phenomenon that the whole metal powder recovery is not thorough due to insufficient suction, the second motor 22 arranged can drive the movable seat 24 and the mounting seat 9 to integrally rotate through the second driving gear 23 and the second driven gear 20, further rotating the bidirectional powder absorbing head 16 to any direction under the worktable 3, and improving the effect of recovering the bidirectional powder absorbing head 16 in different directions, the motor I21 which is arranged in addition can drive the driving gear I11 and the driven gear I12 to rotate through the transmission shaft 13, the screw rod 15 is driven to rotate by the rotation of the driven gear I12, the slide block 17 can be driven to drive the bidirectional powder suction head 16 to move radially along the guide groove 14 by the rotation of the screw rod 15, and therefore metal powder at each position of the workbench 3 can be recycled.
In the case of the control mode of the invention, which is controlled by manual actuation or by means of existing automation techniques, the wiring diagram of the power elements and the provision of power are known in the art and the invention is primarily intended to protect the mechanical means, so that the control mode and wiring arrangement are not explained in detail in the present invention.
In the description of the invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "two ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the invention.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the terms in the invention is understood by those skilled in the art according to specific situations.
While there have been shown and described what are at present considered the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a metal 3D printing apparatus returns powder pipe device, includes equipment shell (1), its characterized in that: the powder suction device is characterized by further comprising a fixed shell (2), a workbench (3), a powder suction hole (4), a baffle (5), a bent pipe (6), a fixed pipe (7), a connecting block (8), a mounting seat (9), a powder suction channel (10), a first driving gear (11), a first driven gear (12), a transmission shaft (13), a guide groove (14), a screw (15), a bidirectional powder suction head (16), a sliding block (17), a powder suction machine (18), a connecting pipe (19), a second driven gear (20), a first motor (21), a second motor (22), a second driving gear (23), a movable seat (24), an annular groove (25), an annular disc body (26) and a movable pipe (27);
the fixed shell (2) is fixedly connected to the center of the lower side in the equipment shell (1), and a workbench (3) is fixedly connected to an opening on the upper side of the fixed shell (2);
a plurality of powder suction holes (4) are uniformly formed in the workbench (3), and inclined baffles (5) are arranged between the peripheral edges of the upper side of the workbench (3) and the inner wall of the equipment shell (1);
the movable seat (24) is movably connected in a groove arranged in the center of the lower side in the fixed shell (2), a driven gear II (20) is fixedly connected to the outer portion of the lower side of the movable seat (24), the top of the movable seat (24) is fixedly connected with the center of the lower side of the mounting seat (9), an annular disc body (26) is fixedly connected to the side face of the upper side of the movable seat (24), and the top face of the annular disc body (26) is also fixedly connected with the center of the bottom face of the mounting seat (9);
a powder suction channel (10) is arranged on the inner side of the left side of the mounting seat (9), a transverse guide groove (14) is arranged in the inner side of the right side of the mounting seat (9), and a connecting block (8) is fixedly connected to the left side of the upper surface of the mounting seat (9);
a fixed pipe (7) is fixedly connected to the upper surface of the connecting block (8), and the left opening of the fixed pipe (7) is connected with the left inlet of the powder suction channel (10) through a bent pipe (6);
the inner part of the right side of the fixed pipe (7) is transversely and movably connected with a movable pipe (27);
the screw rod (15) is movably connected to the center of the guide groove (14), and the left end of the screw rod (15) is fixedly connected with a first driven gear (12);
the sliding block (17) is transversely movably connected inside the guide groove (14), the outside of the front side of the sliding block (17) is fixedly connected with a bidirectional powder suction head (16), a connecting port at the left upper side of the bidirectional powder suction head (16) is connected with an inlet at the right side of the movable pipe (27), and a threaded hole formed in the center of the sliding block (17) is connected with the screw rod (15);
the transmission shaft (13) is movably connected with a vertical hole arranged in the center of the movable seat (24), and the upper side shaft end of the transmission shaft (13) is fixedly connected with a first driving gear (11);
the driving gear I (11) is connected with the driven gear I (12), and the driving gear I (11) and the driven gear I (12) are both positioned in the center of the mounting seat (9);
the first motor (21) is fixedly connected to the center of the bottom of the fixed shell (2), and an output shaft on the upper side of the first motor (21) is fixedly connected with the shaft end on the lower side of the transmission shaft (13);
the second motor (22) is fixedly connected to the left side of the bottom of the fixed shell (2), a second driving gear (23) is fixedly connected to an output shaft on the upper side of the second motor (22), and the second driving gear (23) is connected with a second driven gear (20);
the annular groove (25) is arranged in the center of the bottom surface in the fixed shell (2), the top surface of the upper side of the annular groove (25) is connected with the bottom surface of the annular disc body (26), and the outlet of the lower right side of the annular groove (25) is connected with the powder suction port on the upper left side of the powder suction machine (18) through a connecting pipe (19);
the powder suction machine (18) is fixedly connected to the inside of the right lower side of the equipment shell (1);
the left side of the annular disc body (26) is provided with a vertical through hole, the upper side of the vertical through hole is communicated with an outlet at the lower right side of the powder sucking channel (10), and the lower side of the vertical through hole is communicated with the inside of the annular groove (25).
2. The metal 3D printing equipment powder return pipeline device according to claim 1, characterized in that: the bidirectional powder suction head (16) comprises a connecting seat (161), an upper powder suction groove (162), bristles (163), a communicating pipe (164), a connecting port (165) and a lower powder suction groove (166);
the upper powder suction groove (162) is formed in the inner portion of the upper side of the connecting seat (161), a plurality of bristles (163) are uniformly and fixedly connected to the top surface of the edge of the upper side of the upper powder suction groove (162), and a connecting port (165) is formed in the left side of the upper powder suction groove (162);
the lower powder suction groove (166) is arranged inside the lower side of the connecting seat (161);
the outside fixed connection of communicating pipe (164) downside is inside the vertical hole that connecting seat (161) central authorities set up, communicating pipe (164) downside opening is linked together with lower powder groove (166) upside central authorities of inhaling, the upper left side export of communicating pipe (164) is linked together with last powder groove (162) left side of inhaling.
3. The metal 3D printing equipment powder return pipeline device according to claim 2, characterized in that: the bottom surface of the upper powder suction groove (162) is an inclined plane with a lower left and a higher right.
4. The metal 3D printing equipment powder return pipeline device according to claim 2, characterized in that: the lower powder suction groove (166) is in a bell mouth shape.
5. The metal 3D printing equipment powder return pipeline device according to claim 1, characterized in that: the powder suction machine (18) comprises a machine base (181), a collection box (182), a powder suction port (183), a filter tank (184), a filter screen (185), an air suction hole (186) and an air extractor (187);
a filter tank (184) is arranged on the left upper side inside the machine base (181), and a powder suction port (183) is arranged on the left side of the filter tank (184);
the collecting box (182) is movably connected to the inner part of the right side of the base (181);
the air suction hole (186) is arranged inside the right side of the filter tank (184), and the right side outlet of the air suction hole (186) is connected with the inlet of an air extractor (187);
the filter screen (185) is positioned at the left inlet of the air suction hole (186), and the filter screen (185) is fixedly connected to the right side of the inside of the filter tank (184) in an inclined manner.
6. The metal 3D printing equipment powder return pipeline device according to claim 5, characterized in that: a sealing cover is arranged on the right side of the collecting box (182).
7. The metal 3D printing equipment powder return pipeline device according to claim 1, characterized in that: at least one scraper is movably connected in the annular groove (25), and the upper side of the scraper is fixedly connected to the bottom surface of the annular disc body (26).
8. The metal 3D printing equipment powder return pipeline device according to claim 1, characterized in that: the first motor (21) and the second motor (22) are both servo motors or stepping motors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110256214.5A CN113020631B (en) | 2021-03-09 | 2021-03-09 | Powder return pipeline device of metal 3D printing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110256214.5A CN113020631B (en) | 2021-03-09 | 2021-03-09 | Powder return pipeline device of metal 3D printing equipment |
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| CN113020631A true CN113020631A (en) | 2021-06-25 |
| CN113020631B CN113020631B (en) | 2022-12-30 |
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|---|---|---|---|---|
| CN208644073U (en) * | 2018-08-21 | 2019-03-26 | 恒信智能（天津）快速制造技术有限公司 | A kind of metal 3D printing equipment powder retrieving pipe road device |
| CN109550958A (en) * | 2019-01-18 | 2019-04-02 | 广西慧思通科技有限公司 | A kind of metal 3D printing equipment powder retrieving pipe road device |
| CN110918993A (en) * | 2019-12-23 | 2020-03-27 | 安徽隆源成型科技有限公司 | Powder return pipeline device of metal 3D printing equipment |
| CN111805909A (en) * | 2020-07-27 | 2020-10-23 | 宁波市欧太金文具有限公司 | 3D printing device with structure clearance and powder recovery function |
| CN112276117A (en) * | 2020-10-12 | 2021-01-29 | 安徽哈特三维科技有限公司 | Metal powder removing device of alloy type 3D printer |
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| CN113020631B (en) | 2022-12-30 |
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