CN112719305A - Base shaft type SLM metal printer - Google Patents
Base shaft type SLM metal printer Download PDFInfo
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- CN112719305A CN112719305A CN202011457118.9A CN202011457118A CN112719305A CN 112719305 A CN112719305 A CN 112719305A CN 202011457118 A CN202011457118 A CN 202011457118A CN 112719305 A CN112719305 A CN 112719305A
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- 239000002184 metal Substances 0.000 title claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 119
- 238000007790 scraping Methods 0.000 claims abstract description 19
- 230000001502 supplementing effect Effects 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000012528 membrane Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000007639 printing Methods 0.000 abstract description 22
- 238000012545 processing Methods 0.000 abstract description 12
- 230000007480 spreading Effects 0.000 abstract description 9
- 238000003892 spreading Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000010146 3D printing Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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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
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Laser Beam Processing (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a basic shaft type SLM metal printer, which comprises a frame; the middle part of the frame is provided with a powder cylinder; the powder cylinder is cylindrical, and the extension direction of the powder cylinder is parallel to the horizontal plane; a base shaft driving device is arranged in the powder cylinder; the base shaft driving device is used for driving the base shaft to rotate and/or move up and down; the powder cylinder is correspondingly provided with a strip-shaped opening at the position above the base shaft, the two sides of the extending direction of the strip-shaped opening are both connected with crack sheets, and a gap is formed between the two crack sheets; a laser is arranged at the top of the frame and right above the gap; a powder scraping roller is arranged on one side below the gap; the powder cylinder is also internally provided with a powder supplementing mechanism. The base shaft type SLM metal printer is simple in structure and convenient to use, complex components such as a powder spreading device and a powder scraping device are omitted, the requirements of processing symmetry and the like of rotating parts are well met, the quality of printed and processed products is guaranteed, and the temperature stress of a workpiece during printing is controlled.
Description
Technical Field
The invention relates to the technical field of SLM printing equipment, in particular to a base shaft type SLM metal printer.
Background
SLM, Selective Laser Melting, is a more industrial method of 3D printing, moving a roller to push metal particles through a printing area, then powerful Laser will track the current layer of the object to be printed, selectively fuse parts of the particles together according to the designed model, once the current layer is completed, the roller moves back and forth again, bringing a new layer of metal particles, which are actually completely fused when using SLM, and they fuse together more firmly, forming an extremely strong object, which can also be printed as a whole, without the need to assemble different parts, which further reduces the possibility of faults or errors during assembly, based on the benefits of this design method, they are used in industries with very low tolerance, such as aerospace, mainly for 3D printing parts of small aero engines, mostly be rotary part, can shorten the research and development cycle that novel aerospace was equipped, optimize the part structure, weight reduction reduces stress concentration, increases life, also can be used for the restoration of part to take shape to and cooperate with traditional manufacturing technology, the intercommunication is complementary.
2019.01.18, which is a patent with publication number CN109226762A and named as a metal 3D printing device, the patent discloses a metal 3D printing device, which comprises a working cabin, a processing table, a powder spreading system, a sintering system and a gas circulation system, wherein the powder spreading system comprises a powder spreading head and a powder supplementing mechanism, the powder spreading head comprises a shell, a vibrating motor, a screen and a power mechanism, a track is arranged on the processing table, a starting point and a terminal point are arranged on the track, a storage space is arranged in the shell, a powder supplementing port and a powder outlet arranged downwards are arranged on the shell, when the shell is positioned at the starting point, the powder supplementing mechanism conveys powder into the storage space through the powder supplementing port, an opening and closing device is arranged on the powder outlet, the opening and closing device comprises an opening and closing motor, a baffle and a transmission mechanism, the opening and closing motor is fixed on the shell, the baffle is arranged on the shell in a sliding manner, the transmission mechanism is connected with the, so as to drive the baffle plate to move when the on-off motor rotates, thereby closing or opening the powder outlet. The metal powder is conveyed and laid for multiple times, so that the amount of the metal powder transported in a single time is reduced, the energy required for transporting the metal powder is reduced, and the energy is saved.
However, the SLM metal printer used at present has the following problems:
1. complex mechanism parts such as a powder spreading device, a powder scraping device and the like need to be arranged;
2. the requirements of symmetrical processing of some rotating parts and the like cannot be met;
3. the quality of printed products cannot be guaranteed, the temperature stress of a workpiece during printing is not controlled, and the defects of stress concentration and the like are easily caused.
4. The base shaft driving device for the partial base shaft type SLM metal printer is simple in structure, cannot rotate and move up and down of the base shaft, further cannot meet more requirements in actual use, is poor in product experience, and needs to be improved in practicability. In view of the above, the present invention is to provide a base shaft driving device for a base shaft SLM metal printer, which can effectively solve the above problems.
Based on the situation, the invention provides a basic shaft type SLM metal printer which can effectively solve the problems.
Disclosure of Invention
The invention aims to provide a basic shaft type SLM metal printer. The base shaft type SLM metal printer is simple in structure and convenient to use, complex components such as a powder spreading device and a powder scraping device are omitted, on the existing mature SLM principle, a long-strip-shaped base shaft is used as a printing base, a workpiece is formed from inside to outside, each layer is on the same radius, laser scanning is selectively carried out only in the axial direction, the workpiece rotates by an angle corresponding to the width of one line after printing one line at the same radius, a slice is sunk by the thickness after the whole circle printing at the same radius is completed, and the process is continuously repeated to complete the manufacturing of the whole workpiece; the requirements of symmetrical processing and the like of some rotating parts are well met, the quality of printed and processed products is ensured, and the temperature stress of the printed workpiece is controlled.
The invention is realized by the following technical scheme:
a basic shaft type SLM metal printer comprises a frame;
the middle part of the frame is provided with a powder cylinder;
the powder cylinder is cylindrical, and the extension direction of the powder cylinder is parallel to the horizontal plane;
a base shaft driving device is arranged in the powder cylinder;
the mounting plates on the two sides of the base shaft driving device are respectively detachably and fixedly connected with the upper surface of the inner side of the powder cylinder;
the base shaft driving device is used for driving the base shaft to rotate and/or move up and down;
the extending direction of the base shaft is the same as that of the powder cylinder;
the powder cylinder is correspondingly provided with a strip-shaped opening at the position above the base shaft, the two sides of the extending direction of the strip-shaped opening are both connected with slit clamping pieces, and a slit is formed between the two slit clamping pieces;
a laser is arranged at the top of the rack and right above the gap;
a powder scraping roller is arranged on one side below the gap and is detachably and fixedly connected with the inner side wall of the powder cylinder;
and a powder supplementing mechanism used for supplementing metal powder between the base shaft and the powder scraping roller is also arranged in the powder cylinder.
Further: the base shaft driving device comprises two mounting plates, wherein the bottoms of the two mounting plates are fixedly provided with a shell, the inside of one of the shell is fixedly provided with a first worm and two first guide rods, the outer surfaces of the two first guide rods are sleeved with convex blocks, a second worm is rotatably arranged between the two convex blocks, the side wall of one of the convex blocks is fixedly provided with a bottom plate, the top of the bottom plate is fixedly provided with a motor, the inside of the other of the shell is fixedly provided with a second guide rod, the outer surface of the second guide rod is sleeved with a movable block, the side wall of the movable block is rotatably provided with a support rod through a bearing, the outer surfaces of the second worm and the support rod are sleeved with sleeve blocks, the opposite sides of the second worm and the support rod are provided with placing grooves, and the inside of the placing grooves is provided with a limiting component, a base shaft is arranged between the two limiting assemblies.
Further: and a heater for heating the powder cylinder is arranged outside the powder cylinder.
Further: the second worm is in transmission connection with the first worm, and the second worm is fixedly connected with an output shaft of the motor.
Further: the improved plastic casing comprises a casing body, wherein a sliding groove is formed in one side, opposite to the casing body, of the casing body, guide grooves are symmetrically formed in the inside of the casing body, the guide grooves are communicated with the sliding groove in a corresponding mode, an elastic film is clamped between the guide grooves, one end of the elastic film is fixedly connected with the groove wall of the sliding groove, and the other end of the elastic film is fixedly connected with the surface of a sleeve block.
Further: two the surface of mounting panel all runs through and has seted up the spacing hole of a plurality of.
Further: the both sides lateral wall of base shaft has all seted up square groove, spacing subassembly corresponds the joint through square groove and base shaft.
Further: the limiting assembly comprises a separation blade, a rectangular clamping block is fixedly mounted on one side of the separation blade, and a plurality of springs are fixedly mounted on the other side of the separation blade.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the base shaft type SLM metal printer is simple in structure and convenient to use, complex components such as a powder spreading device and a powder scraping device are omitted, on the existing mature SLM principle, a long-strip-shaped base shaft is used as a printing base, a workpiece is formed from inside to outside, each layer is on the same radius, laser scanning is selectively carried out only in the axial direction, the workpiece rotates by an angle corresponding to the width of one line after printing one line at the same radius, a slice is sunk by the thickness after the whole circle printing at the same radius is completed, and the process is continuously repeated to complete the manufacturing of the whole workpiece; the requirements of symmetrical processing and the like of some rotating parts are well met, the quality of printed and processed products is ensured, and the temperature stress of the printed workpiece is controlled.
When in printing, the powder cylinder is filled (or at least is filled to be more than 1/3 of the diameter of the base shaft), and the base shaft rotates and sinks in the metal powder in the process of 'growing' forming of a rotating piece (workpiece); in the process of forming the 'growth' of the workpiece, an axial line and a line are spliced into an arc surface along an arc, however, the 'line' has no width and is actually spliced by a narrow surface, the width of the narrow surface is the diameter of an SLM molten pool, and the arc surface is actually generated by splicing the arc by polygons;
because of the flowability of the powder, the powder will automatically fill the voids that appear as a result of solidification during the sinking of the base shaft. As the base shaft is rotating, it will also agitate the powder in the powder jar, helping to fill the void.
Because the growing structure is surrounded by metal powder, the temperature field of the structure can be kept controlled by heating the powder cylinder, so that the related temperature stress is controlled.
According to the base shaft driving device, the first worm, the second worm, the convex block, the first guide rod and the like are matched, so that the base shaft is rapidly rotated and vertically reciprocates, the base shaft can be better matched with printing and processing, and more requirements in actual use are met.
1. Compared with the prior art, through the cooperation between first worm, second worm, convex block and the first guide bar etc. both realized the fast rotation of basic shaft, also realized the up-and-down reciprocating motion of basic shaft, and then processing is printed in cooperation that can be better, has satisfied more demands in the in-service use, and the practicality is higher.
2. Compared with the prior art, through the cooperation between standing groove, spacing subassembly and square groove etc, realized the quick installation and the dismantlement of basic axle, and then for the maintenance and the change of later stage basic axle provide very big facility, easy operation labour saving and time saving simultaneously, the experience of product is felt better, and the suitability is stronger.
Drawings
FIG. 1 is a schematic structural view of the present invention (workpiece omitted);
FIG. 2 is an enlarged view of a portion of the present invention at C in FIG. 1 (with the workpiece omitted);
FIG. 3 is a schematic cross-sectional view taken at H-H in FIG. 1 (workpiece not shown) according to the present invention;
FIG. 4 is a schematic view showing the overall structure of the base shaft driving apparatus according to the present invention;
FIG. 5 is a top view of the slide groove, guide groove and elastic membrane of the base shaft driving device of the present invention;
fig. 6 is a schematic structural view of a limiting assembly of the base shaft driving device of the present invention.
In the figure: 4141. a workpiece; 5. a frame; 400. a base shaft drive device; 7. a powder jar; 8. a seam-clamping sheet; 81. a gap; 6. a laser; (ii) a 61. A laser scanning range; (ii) a 9. A powder scraping roller; 10. a powder supplementing mechanism; 82. a strip-shaped opening;
41. mounting a plate; 42. a housing; 43. a first worm; 44. a first guide bar; 45. a convex block; 46. a second worm; 47. a base plate; 48. a motor; 49. a second guide bar; 410. a moving block; 411. a strut; 412. sleeving blocks; 413. an elastic film; 414. a base shaft; 415. a chute; 416. a limiting hole; 417. a placement groove; 418. a limiting component; 419. a square groove; 420. a guide groove; 41801. a baffle plate; 41802. a rectangular fixture block; 41803. a spring.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 6, a base axis type SLM metal printer includes a frame;
the middle part of the frame is provided with a powder cylinder;
the powder cylinder is cylindrical, and the extension direction of the powder cylinder is parallel to the horizontal plane;
a base shaft driving device is arranged in the powder cylinder;
the mounting plates on the two sides of the base shaft driving device are respectively detachably and fixedly connected with the upper surface of the inner side of the powder cylinder;
the base shaft driving device is used for driving the base shaft to rotate and/or move up and down;
the extending direction of the base shaft is the same as that of the powder cylinder;
the powder cylinder is correspondingly provided with a strip-shaped opening at the position above the base shaft, the two sides of the extending direction of the strip-shaped opening are both connected with slit clamping pieces, and a slit is formed between the two slit clamping pieces;
a laser is arranged at the top of the rack and right above the gap;
a powder scraping roller is arranged on one side below the gap and is detachably and fixedly connected with the inner side wall of the powder cylinder;
and a powder supplementing mechanism used for supplementing metal powder between the base shaft and the powder scraping roller is also arranged in the powder cylinder.
Example 2:
as shown in fig. 1 to 6, a base axis type SLM metal printer includes a frame;
the middle part of the frame is provided with a powder cylinder;
the powder cylinder is cylindrical, preferably cylindrical, and the extending direction (axial direction) of the powder cylinder is parallel to the horizontal plane;
a base shaft driving device is arranged in the powder cylinder;
the mounting plates on the two sides of the base shaft driving device are respectively detachably and fixedly connected with the upper surface of the inner side of the powder cylinder;
the base shaft driving device is used for driving the base shaft to rotate and/or move up and down;
the extending direction of the base shaft is the same as that of the powder cylinder;
the base shaft serves as a printing base, and printing is performed on the surface of the base shaft to obtain a rotating workpiece.
The powder cylinder is correspondingly provided with a strip-shaped opening at the position above the base shaft, the two sides of the extending direction of the strip-shaped opening are both connected with slit clamping pieces, and a slit is formed between the two slit clamping pieces;
a laser is arranged at the top of the rack and right above the gap;
a powder scraping roller is arranged on one side below the gap and is detachably and fixedly connected with the inner side wall of the powder cylinder;
and a powder supplementing mechanism used for supplementing metal powder between the base shaft and the powder scraping roller is also arranged in the powder cylinder.
And a heater for heating the powder cylinder is arranged outside the powder cylinder.
As shown in fig. 4-6, the base shaft driving device of the present invention includes two mounting plates, wherein the bottoms of the two mounting plates are fixedly mounted with a housing, a first worm and two first guide rods are fixedly mounted in one of the housings, the outer surfaces of the two first guide rods are respectively sleeved with a convex block, a second worm is rotatably mounted between the two convex blocks, the second worm is fixedly connected with an output shaft of a motor, the second worm is in transmission connection with the first worm, the side wall of one of the convex blocks is fixedly mounted with a bottom plate, the top of the bottom plate is fixedly mounted with a motor, the inner surface of the other housing is fixedly mounted with a second guide rod, the outer surface of the second guide rod is sleeved with a moving block, the side wall of the moving block is rotatably mounted with a support rod through a bearing, the outer surfaces of the second worm and the support rod are respectively sleeved with a sleeve block, and, the inside of standing groove is provided with spacing subassembly, is provided with the basic shaft between two spacing subassemblies. Wherein, the motor has the function of positive and negative rotation; the starting motor drives the second worm and the base shaft to start rotating under the matching of the second worm, the supporting rod, the placing groove, the limiting assembly and the like, and further realizes the up-and-down reciprocating movement of the motor, the second worm and the base shaft under the matching of the first worm, the first guide rod, the convex block, the bottom plate and the like, so that the matching can be better, the printing and processing are realized, and more requirements in actual use are met.
The concrete, the spout has all been seted up to the relative one side of two casings, and the guide way has been seted up to the inside symmetry of casing, and two guide ways all correspond the switch-on with the spout, and the joint has the elastic membrane between two guide ways, the one end of elastic membrane and the cell wall fixed connection of spout, the other end of elastic membrane and the fixed surface of nested piece are connected. When the second worm moves, the sleeve block also moves synchronously, and under the matching of the structures such as the sliding groove, the guide groove, the elastic film and the like, the effective sealing of the interior of the shell can be realized, so that the possibility of metal powder entering the shell is greatly reduced, and the smooth processing is ensured.
Specifically, the surfaces of the two mounting plates are all penetrated and provided with a plurality of limiting holes. Through the cooperation of structures such as mounting panel, spacing hole and bolt, be convenient for quick with this device and external equipment fixed connection.
Specifically, the square groove has all been seted up to the both sides lateral wall of base shaft, and spacing subassembly corresponds the joint through square groove and base shaft. The limiting assembly comprises a separation blade, a rectangular clamping block is fixedly mounted on one side of the separation blade, and a plurality of springs are fixedly mounted on the other side of the separation blade. Through the cooperation of square groove, rectangle fixture block and spring isotructure during the use, can realize effective spacing to the base shaft, cooperate standing groove and spring isotructure simultaneously and can also realize the quick dismantlement of base shaft, and then for the maintenance and the change of later stage base shaft provide very big facility, whole operation is simpler and labour saving and time saving.
The specific working principle and the using method of the base shaft driving device are as follows:
when the device is used, the motor is started firstly, the second worm and the base shaft are driven to rotate under the matching of the structures such as the second worm, the supporting rod, the placing groove and the limiting assembly, the vertical reciprocating movement of the motor, the second worm and the base shaft is realized under the matching of the structures such as the first worm, the first guide rod, the convex block and the base plate, and further the printing and processing can be better matched; when the second worm moves, the sleeve block also moves synchronously, and the effective sealing of the interior of the shell can be realized under the matching of structures such as a sliding groove, a guide groove, an elastic film and the like, so that the possibility of metal powder entering the shell is greatly reduced, and the smooth processing is ensured; and through the cooperation of square groove, rectangle fixture block and spring isotructure, can realize effective spacing to the base shaft, cooperate standing groove and spring isotructure simultaneously and can also realize the quick dismantlement of base shaft, and then for the maintenance and the change of later stage base shaft provide very big facility, the whole operation is simpler and labour saving and time saving, the experience of product is felt better, the practicality is higher.
The working principle/use method of one embodiment of the invention is as follows:
when the base shaft type SLM metal printer is used, the base shaft is driven by a base shaft driving device to rotate and descend periodically, and finally (farthest/lower) reaches the position (or called central position) of the axis of a powder cylinder;
in practice, the size of the powder cylinder is selected according to the size of the workpiece to be rotated, as will be understood by those skilled in the art.
Before printing, filling the powder cylinder with metal powder, or at least filling the powder cylinder with metal powder exceeding 1/3 of the base shaft diameter;
the surface of a workpiece with metal powder in printing is automatically adhered in the rotation process of the base shaft, the powder scraping roller is used as a powder scraping device, a powder spreading device and a powder scraping device are omitted, and the distance between the powder scraping roller and the surface of the base shaft is the unit printing thickness; as the supplement, a powder supplement mechanism is adopted to supplement the metal powder, so that the problems of uneven, uneven and loose metal powder on the surface of the workpiece in printing and the like after the metal powder is reduced are solved;
laser emitted by the laser source penetrates through the crack to gradually carry out laser sintering (printing) on the surface of the workpiece under printing.
According to the description of the invention and the attached drawings, the base shaft type SLM metal printer of the invention can be easily manufactured or used by a person skilled in the art, and can generate the positive effects recorded by the invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. A basic shaft type SLM metal printer is characterized in that: comprises a frame (5);
a powder cylinder (7) is arranged in the middle of the rack (5);
the powder cylinder (7) is cylindrical, and the extension direction of the powder cylinder is parallel to the horizontal plane;
a base shaft driving device (400) is arranged in the powder cylinder (7);
the mounting plates (41) on the two sides of the base shaft driving device (400) are respectively detachably and fixedly connected with the upper surface of the inner side of the powder cylinder (7);
the base shaft driving device (400) is used for driving the base shaft (414) to rotate and/or move up and down;
the extending direction of the base shaft (414) is the same as the extending direction of the powder cylinder (7);
a long strip-shaped opening (82) is correspondingly arranged at the position, above the base shaft (414), of the powder cylinder (7), two sides of the extending direction of the long strip-shaped opening (82) are connected with slit clamping sheets (8), and a gap (81) is formed between the two slit clamping sheets (8);
a laser (6) is arranged at the top of the rack (5) and at a position right above the gap (81);
a powder scraping roller (9) is arranged on one side below the gap (81), and the powder scraping roller (9) is detachably and fixedly connected with the inner side wall of the powder cylinder (7);
and a powder supplementing mechanism (10) for supplementing metal powder between the base shaft (414) and the powder scraping roller (9) is also arranged in the powder cylinder (7).
2. The base axis SLM metal printer of claim 1, characterized by: the base shaft driving device comprises two mounting plates (41), wherein a shell (42) is fixedly mounted at the bottom of each of the two mounting plates (41), a first worm (43) and two first guide rods (44) are fixedly mounted in one of the shell (42), a convex block (45) is sleeved on the outer surface of each of the two first guide rods (44), a second worm (46) is rotatably mounted between the two convex blocks (45), a bottom plate (47) is fixedly mounted on the side wall of one of the convex blocks (45), a motor (48) is fixedly mounted at the top of the bottom plate (47), a second guide rod (49) is fixedly mounted in the other of the shell (42), a moving block (410) is sleeved on the outer surface of the second guide rod (49), and a support rod (411) is rotatably mounted on the side wall of the moving block (410) through a bearing, the surface of second worm (46) and branch (411) all is equipped with nest block (412) by the cover, standing groove (417) have all been seted up to the relative one side of second worm (46) and branch (411), the inside of standing groove (417) is provided with spacing subassembly (418), two be provided with basic axle (414) between spacing subassembly (418).
3. The base axis SLM metal printer of claim 2, characterized by: and a heater for heating the powder cylinder (7) is arranged on the outer side of the powder cylinder (7).
4. The base axis SLM metal printer of claim 2, characterized by: the second worm (46) is in transmission connection with the first worm (43), and the second worm (46) is fixedly connected with an output shaft of the motor (48).
5. The base axis SLM metal printer of claim 2, characterized by: two spout (415) have all been seted up to the relative one side of casing (42), guide way (420) have been seted up to the inside symmetry of casing (42), two guide way (420) all correspond the switch-on with spout (415), two the joint has elastic membrane (413) between guide way (420), the one end of elastic membrane (413) and the cell wall fixed connection of spout (415), the other end of elastic membrane (413) and the fixed surface of pocket piece (412) are connected.
6. The base axis SLM metal printer of claim 2, characterized by: the surfaces of the two mounting plates (41) are provided with a plurality of limiting holes (416) in a penetrating manner.
7. The base axis SLM metal printer of claim 2, characterized by: square groove (419) have all been seted up to the both sides lateral wall of base shaft (414), spacing subassembly (418) correspond the joint through square groove (419) and base shaft (414).
8. The base axis SLM metal printer of claim 2, characterized by: the limiting assembly (418) comprises a blocking piece (41801), a rectangular clamping block (41802) is fixedly mounted on one side of the blocking piece (41801), and a plurality of springs (41803) are fixedly mounted on the other side of the blocking piece (41801).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457118.9A CN112719305A (en) | 2020-12-10 | 2020-12-10 | Base shaft type SLM metal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457118.9A CN112719305A (en) | 2020-12-10 | 2020-12-10 | Base shaft type SLM metal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112719305A true CN112719305A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011457118.9A Pending CN112719305A (en) | 2020-12-10 | 2020-12-10 | Base shaft type SLM metal printer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113770384A (en) * | 2021-09-01 | 2021-12-10 | 浙江意动科技股份有限公司 | Powder cavity fluidized structure |
| WO2022073526A3 (en) * | 2020-10-10 | 2022-05-19 | 浙江意动科技股份有限公司 | 3d printing device for additive-manufacturing slm process using metal powder and laser |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207794033U (en) * | 2018-01-26 | 2018-08-31 | 韩殿国 | A kind of gate lifting device |
| CN209866113U (en) * | 2019-04-04 | 2019-12-31 | 郝青华 | Checkout stand for medical inspection |
| DE102019104781A1 (en) * | 2019-02-26 | 2020-08-27 | Trumpf Laser- Und Systemtechnik Gmbh | Method and device for the production of three-dimensional components by selective solidification |
| CN112024884A (en) * | 2020-10-10 | 2020-12-04 | 浙江意动科技股份有限公司 | 3D printing equipment for metal powder laying laser additive manufacturing SLM technology |
| CN214557421U (en) * | 2020-12-10 | 2021-11-02 | 浙江意动科技股份有限公司 | Base shaft type SLM metal printer |
-
2020
- 2020-12-10 CN CN202011457118.9A patent/CN112719305A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207794033U (en) * | 2018-01-26 | 2018-08-31 | 韩殿国 | A kind of gate lifting device |
| DE102019104781A1 (en) * | 2019-02-26 | 2020-08-27 | Trumpf Laser- Und Systemtechnik Gmbh | Method and device for the production of three-dimensional components by selective solidification |
| CN209866113U (en) * | 2019-04-04 | 2019-12-31 | 郝青华 | Checkout stand for medical inspection |
| CN112024884A (en) * | 2020-10-10 | 2020-12-04 | 浙江意动科技股份有限公司 | 3D printing equipment for metal powder laying laser additive manufacturing SLM technology |
| CN214557421U (en) * | 2020-12-10 | 2021-11-02 | 浙江意动科技股份有限公司 | Base shaft type SLM metal printer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022073526A3 (en) * | 2020-10-10 | 2022-05-19 | 浙江意动科技股份有限公司 | 3d printing device for additive-manufacturing slm process using metal powder and laser |
| CN113770384A (en) * | 2021-09-01 | 2021-12-10 | 浙江意动科技股份有限公司 | Powder cavity fluidized structure |
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Application publication date: 20210430 |