CN214557405U

CN214557405U - Powder supplementing and scraping integrated device for base shaft type SLM metal printer

Info

Publication number: CN214557405U
Application number: CN202022965968.1U
Authority: CN
Inventors: 韩品连; 宁传龙
Original assignee: Zhejiang Yidong Technology Co Ltd
Current assignee: Shenzhen Tec Motion Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-11-02
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a powder supplementing and scraping integrated device for a base shaft type SLM metal printer, which comprises a body, wherein the outer wall of the body is rotatably connected with a box door, the outer wall of the box door is fixedly connected with a second handle, the inner side of the body is fixedly connected with a clapboard, a recovery channel is arranged on the inner wall of the clapboard, the upper surface of the clapboard is fixedly connected with a second cylinder, the inner side of the body is fixedly connected with a guide rail, the top of the body is fixedly connected with an exhaust fan, a powder recovery component, a laser component, a powder supplementing and scraping component and a lifting component are arranged inside the body, the utility model discloses, after powder is put in, the powder is extruded through rolling between a rolling shaft and a first auxiliary roller, so that the powder is tighter, a semi-circular valve shaft can conveniently open and close a raw material box, through a non-rotating second auxiliary roller which is stuck above the rolling shaft, the powder on the return rolling shaft can be scraped by the second auxiliary roller which is extruded together with the rolling shaft, ensure that the area that has been rolled over is not subject to loose powder falling.

Description

Powder supplementing and scraping integrated device for base shaft type SLM metal printer

Technical Field

The utility model relates to a SLM metal printing technical field especially relates to a powder integrative device is scraped to benefit powder that basic shaft type SLM metal printer used.

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.

The quality requirements of important parts on aerospace equipment are very high, when powder is added, if a hole is formed in the powder, the powder can be reflected in the inner wall of a product, if the powder is not paved flatly enough, the surface of the powder has raised scattered powder, and due to the problem that laser needs to be focused, the unevenness can cause that the laser cannot correctly melt metal particles, so that the product quality has fatal defects; the gyro wheel axle is rotatable to be installed on sending the powder frame, the gyro wheel can be followed the slide rail and made a round trip to roll, send powder funnel fixed mounting on sending the powder frame, cross slab fixed mounting is inside sending the powder funnel, send powder frame bottom both sides welded fastening respectively have sleeve A and sleeve B, wherein be equipped with spring A in the sleeve A, be equipped with spring B in the sleeve B, branch B fixed mounting is at the top of scraper blade, the cross slab in sending the powder funnel that sets up through the device has network structure, can disperse well added metal powder, prevent it excessively to pile up, the back and forth slip and the roll of scraper blade and roller, make metal powder level and smooth, but do not extrude the powder, there is the hollow condition, and, when scraper blade and roller return stroke, it drops on the powder plane of just strickleing off to have scattered powder on the roller, lead to the powder still not level.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the integrative device of whitewashed is scraped to benefit powder that basic shaft type SLM metal printer used that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a powder is scraped to benefit powder that base shaft formula SLM metal printer used scrapes integrative device of powder, includes the fuselage, the fuselage outer wall rotates and is connected with the chamber door, chamber door outer wall fixedly connected with second handle, the inboard fixedly connected with baffle of fuselage, the recovery passageway has been seted up to the baffle inner wall, fixed surface is connected with the second cylinder on the baffle, the inboard fixedly connected with guide rail of fuselage, fuselage top fixedly connected with exhaust fan, the inside powder that is provided with of fuselage is retrieved subassembly, laser assembly, benefit powder and is scraped powder subassembly, lifting unit, powder is retrieved subassembly, is mended powder and scrapes powder subassembly and fuselage sliding connection, laser assembly and fuselage fixed connection, lifting unit and baffle fixed connection.

As a further description of the above technical solution:

the powder recovery assembly comprises a drawer, the drawer is connected inside the machine body in a sliding mode, a first handle is fixedly connected to the outer wall of the drawer, and the drawer is arranged below the recovery channel.

As a further description of the above technical solution:

the laser assembly comprises a radiator, the radiator is fixedly connected to the top of the inner side of the machine body, a laser module is fixedly connected to the lower surface of the radiator, a protective glass is fixedly connected to the lower surface of the laser module, and the radiator is communicated with the exhaust fan.

As a further description of the above technical solution:

the powder supplementing and scraping assembly comprises a sliding plate, the sliding plate is connected to the upper side of a guide rail in a rolling manner, rollers are rotatably connected to two sides of the sliding plate, the sliding plate is connected with the guide rail in a rolling manner through the rollers, a first fixed seat and a second fixed seat are fixedly connected to the lower surface of the sliding plate, a rolling shaft and a first auxiliary roller are rotatably connected between the first fixed seat and the second fixed seat, a second auxiliary roller is fixedly connected between the first fixed seat and the second fixed seat, a second motor is fixedly connected to the upper surface of the partition plate, a second belt wheel is fixedly connected to the output end of the second motor, a fourth belt wheel is fixedly connected to one end of the rolling shaft, a second belt is sleeved between the fourth belt wheel and the second belt wheel, a first gear is fixedly connected to the other end of the rolling shaft, a second gear is fixedly connected to one end of the first auxiliary roller, and the first gear is meshed with the second gear, the lower surface of the sliding plate is fixedly connected with a push plate, and the push plate is fixedly connected with the extending end of the second cylinder.

As a further description of the above technical solution:

the improved automatic feeding device is characterized in that a raw material box is fixedly connected to the inner wall of the sliding plate, a first motor is fixedly connected to the top of the raw material box, a first belt wheel is fixedly connected to the output end of the first motor, a semicircular valve shaft is rotatably connected to the inner wall of the raw material box, one end of the semicircular valve shaft penetrates through the outer wall of the raw material box and is fixedly connected with a third belt wheel, and a first belt is sleeved between the first belt wheel and the third belt wheel.

As a further description of the above technical solution:

the lifting assembly comprises a printing box, the printing box is fixedly connected to the inner wall of the partition board, a first air cylinder is fixedly connected to the inside of the printing box, a supporting plate is fixedly connected to the extending end of the first air cylinder, a supporting column is fixedly connected to the upper surface of the supporting plate, a workbench is fixedly connected to the upper end of the supporting column, and a sealing ring is fixedly connected to the outer wall of the workbench.

The utility model discloses following beneficial effect has:

compared with the prior art, this integrative device of powder is scraped to benefit powder that basic shaft type SLM metal printer used, through setting up raw material tank above roller bearing and first pair roller, the powder is put in the back and is extruded through the roll between roller bearing and the first pair roller, makes the powder compacter, through the semicircle valve shaft that sets up on the raw material tank, under the drive of first motor, can be convenient open and close the raw material tank, avoid continuously throwing the material and cause frequent reinforced. Through the second auxiliary roller which is arranged above the roller and does not rotate, the roller rolls clockwise on the metal powder plane of the workbench in the return stroke, redundant powder is either swept to the recycling channel, and the powder stuck on the roller can be scraped by the second auxiliary roller which is extruded together with the roller, so that the rolled area is ensured not to have scattered powder to fall off.

Drawings

Fig. 1 is a schematic view of an overall structure of a powder supplementing and scraping integrated device for a base shaft type SLM metal printer according to the present invention;

fig. 2 is a cross-sectional view of the whole structure of a powder supplementing and scraping integrated device for a base shaft type SLM metal printer;

FIG. 3 is a partial enlarged view of the powder supplementing and scraping integrated device for the base shaft type SLM metal printer according to the present invention shown in FIG. 2-A;

FIG. 4 is a partial enlarged view of a powder supplementing and scraping integrated device for a base shaft SLM metal printer according to the present invention shown in FIG. 2-B;

FIG. 5 is a partial enlarged view of FIG. 2-C of the powder supplementing and scraping integrated device for the base shaft type SLM metal printer according to the present invention;

fig. 6 is a side sectional view of the whole structure of the powder supplementing and scraping integrated device for the base shaft type SLM metal printer;

FIG. 7 is a partial enlarged view of FIG. 6-D of the powder supplementing and scraping integrated device for the base shaft type SLM metal printer according to the present invention;

fig. 8 is a cross sectional view of a raw material box, a rolling shaft, a first auxiliary roller and a second auxiliary roller of the powder supplementing and scraping integrated device for the base shaft type SLM metal printer;

fig. 9 is a schematic diagram of a partition structure of a powder supplementing and scraping integrated device for a base shaft type SLM metal printer.

Illustration of the drawings:

1. a body; 2. a drawer; 3. a first handle; 4. a box door; 5. a second handle; 6. an exhaust fan; 7. a heat sink; 8. a laser module; 9. protective glasses; 10. a guide rail; 11. a sliding plate; 12. a roller; 13. a first motor; 14. a first pulley; 15. a raw material tank; 16. a second motor; 17. a second pulley; 18. a partition plate; 19. a work table; 20. a seal ring; 21. a support pillar; 22. pushing the plate; 23. a support plate; 24. a first cylinder; 25. a recovery channel; 26. a first belt; 27. a first sub-roll; 28. a roller; 29. a first gear; 30. a second gear; 31. a first fixed seat; 32. a second sub-roll; 33. a semicircular valve shaft; 34. a third belt pulley; 35. a second fixed seat; 36. a fourth pulley; 37. a second belt; 38. a second cylinder; 39. a print box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-9, the utility model provides a powder integrative device is scraped to benefit powder that basic shaft type SLM metal printer used: including

fuselage

1, 1 outer wall of fuselage rotates and is connected with

chamber door

4, 4 outer wall fixedly connected with second handles 5 of chamber door, 1 inboard fixedly connected with baffle 18 of fuselage, recovery channel 25 has been seted up to 18 inner walls of baffle, fixed surface is connected with second cylinder 38 on the

baffle

18, 1 inboard fixedly connected with guide rail 10 of fuselage, 1 top fixedly connected with exhaust fan 6 of fuselage, 1 inside powder recovery subassembly that is provided with of fuselage, laser assembly, the powder subassembly is scraped to the benefit powder, lifting unit, the powder recovery subassembly, the powder subassembly is scraped to the benefit powder and powder subassembly and fuselage 1 sliding connection, laser assembly and 1 fixed connection of fuselage, lifting unit and 18 fixed connection of baffle.

The powder recovery assembly comprises a drawer 2, the drawer 2 is slidably connected inside the machine body 1, a first handle 3 is fixedly connected to the outer wall of the drawer 2, the drawer 2 is arranged below the recovery channel 25, and redundant powder falls into the drawer 2 through the recovery channel 25 and is conveniently recovered and reused.

The laser assembly comprises a radiator 7, the radiator 7 is fixedly connected to the top of the inner side of the machine body 1, the laser module 8 is fixedly connected to the lower surface of the radiator 7, a protective mirror 9 is fixedly connected to the lower surface of the laser module 8, the radiator 7 is communicated with the exhaust fan 6, the exhaust fan 6 can remove heat emitted by the laser assembly during operation, and damage to equipment caused by overheating is avoided.

The powder supplementing and scraping assembly comprises a sliding plate 11, the sliding plate 11 is connected to the upper side of a guide rail 10 in a rolling manner, roller wheels 12 are rotatably connected to two sides of the sliding plate 11, the sliding plate 11 is connected with the guide rail 10 in a rolling manner through the roller wheels 12, a first fixed seat 31 and a second fixed seat 35 are fixedly connected to the lower surface of the sliding plate 11, a roller shaft 28 and a first auxiliary roller 27 are rotatably connected between the first fixed seat 31 and the second fixed seat 35, a second auxiliary roller 32 is fixedly connected between the first fixed seat 31 and the second fixed seat 35, a second motor 16 is fixedly connected to the upper surface of a partition plate 18, a second belt wheel 17 is fixedly connected to the output end of the second motor 16, a fourth belt wheel 36 is fixedly connected to one end of the roller shaft 28, a second belt 37 is sleeved between the fourth belt wheel 36 and the second belt wheel 17, a first gear 29 is fixedly connected to the other end of the roller shaft 28, a second gear 30 is fixedly connected to one end of the first auxiliary roller 27, and the first gear 29 is meshed with the second gear 30, the lower surface of the sliding plate 11 is fixedly connected with a push plate 22, the push plate 22 is fixedly connected with the extending end of the second cylinder 38, the push plate 22 is pushed by the second cylinder 38 to drive the sliding plate 11 to move back and forth, so that the powder supplementing and scraping functions are realized, the second auxiliary roller 32 is not rotated, and the rest rollers 28 are in close contact with each other, so that the powder scraping function is realized during return stroke.

Sliding plate 11 inner wall fixedly connected with raw material tank 15, first motor 13 of raw material tank 15 top fixedly connected with, first motor 13 output end fixedly connected with first band pulley 14, raw material tank 15 inner wall rotates and is connected with semicircle valve shaft 33, semicircle valve shaft 33 one end runs through raw material tank 15 outer wall and fixedly connected with third band pulley 34, the cover is equipped with first belt 26 between first band pulley 14 and the third band pulley 34, raw material tank 15 exports the setting between roller bearing 28 and first secondary roller 27, throw the material accuracy, through semicircle valve shaft 33, can be accurate when need not throw the material close raw material tank 15.

Lifting unit includes printing box 39, and printing box 39 fixed connection is at 18 inner walls of baffle, the first cylinder 24 of the inside fixedly connected with of printing box 39, and first cylinder 24 stretches out end fixedly connected with backup pad 23, and fixed surface is connected with support column 21 on the backup pad 23, and support column 21 upper end fixedly connected with

workstation

19, 19 outer wall fixedly connected with sealing washer 20 of workstation, first cylinder 24 drive the action that gradually moves down of workstation 19.

The working principle is as follows:

the second cylinder 38 drives the powder supplementing and scraping component to move forward, the second motor 16 drives the rolling shaft 28 and the first auxiliary roller 27 to rotate, the first motor 13 drives the semicircular valve shaft 33 to rotate, the raw material box 15 is opened, the metal powder enters the rolling shaft 28 between the first auxiliary roller 27 from the outlet at the lower end of the raw material box 15 and is extruded by the first auxiliary roller and the second auxiliary roller to be laid on the workbench 19, the powder is more compact without a hollow hole, the metal powder is paved on the workbench 19 through the extension of the second cylinder 38, the first motor 13 drives the semicircular valve shaft 33 to rotate, the raw material box 15 is closed, the metal powder is not put in, the second cylinder 38 retracts to drive the powder supplementing and scraping component to move backward, the rolling shaft 28 sweeps away the redundant powder, the metal powder adhered to the rolling shaft 28 is scraped by the second auxiliary roller 32 and cannot fall into a rolled area, after the retraction of the second cylinder 38 is completed, the laser component works, and after the laser component works, first cylinder 24 drives workstation 19 downstream one deck, repeat the above-mentioned action, until the product is printed and is accomplished, unnecessary powder enters into drawer 2 through recovery channel 25 and is retrieved, through set up raw material tank 15 above roller 28 and first secondary roller 27, roll through between roller 28 and the first secondary roller 27 after the powder is put in extrudees, it is more compact to make the powder, through semicircle valve shaft 33 that sets up on the raw material tank 15, under the drive of first motor 13, can be convenient open and close raw material tank 15, avoid continuously throwing the material and cause frequent reinforced. By means of the non-rotating second sub-roller 32 arranged above the roller 28, during the return stroke, the roller 28 rolls clockwise on the metal powder plane of the table 19, the excess powder is swept to the recycling channel 25, the powder stuck to the roller 28 is scraped off by the second sub-roller 32 in close contact with the roller 28, ensuring that the area that has been rolled does not have any scattered powder falling off.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a powder is scraped to benefit powder that base shaft type SLM metal printer used and integrative device, includes fuselage (1), its characterized in that: fuselage (1) outer wall rotates and is connected with chamber door (4), chamber door (4) outer wall fixedly connected with second handle (5), fuselage (1) inboard fixedly connected with baffle (18), recovery passageway (25) have been seted up to baffle (18) inner wall, fixed surface is connected with second cylinder (38) on baffle (18), fuselage (1) inboard fixedly connected with guide rail (10), fuselage (1) top fixedly connected with exhaust fan (6), fuselage (1) inside is provided with the powder and retrieves subassembly, laser assembly, benefit powder and scrapes powder subassembly, lifting unit, the powder is retrieved the subassembly, is mended the powder and scrapes powder subassembly and fuselage (1) sliding connection, laser assembly and fuselage (1) fixed connection, lifting unit and baffle (18) fixed connection.

2. The integrated powder supplementing and scraping device for the base shaft type SLM metal printer as claimed in claim 1, wherein: the powder recovery assembly comprises a drawer (2), the drawer (2) is slidably connected inside the machine body (1), a first handle (3) is fixedly connected to the outer wall of the drawer (2), and the drawer (2) is arranged below the recovery channel (25).

3. The integrated powder supplementing and scraping device for the base shaft type SLM metal printer as claimed in claim 1, wherein: the laser assembly comprises a radiator (7), the radiator (7) is fixedly connected to the top of the inner side of the machine body (1), the lower surface of the radiator (7) is fixedly connected with a laser module (8), the lower surface of the laser module (8) is fixedly connected with a protective glass (9), and the radiator (7) is communicated with the exhaust fan (6).

4. The integrated powder supplementing and scraping device for the base shaft type SLM metal printer as claimed in claim 1, wherein: the powder supplementing and scraping assembly comprises a sliding plate (11), the sliding plate (11) is connected to the upper side of a guide rail (10) in a rolling mode, rollers (12) are rotatably connected to two sides of the sliding plate (11), the sliding plate (11) is connected with the guide rail (10) in a rolling mode through the rollers (12), a first fixing seat (31) and a second fixing seat (35) are fixedly connected to the lower surface of the sliding plate (11), a rolling shaft (28) and a first auxiliary roller (27) are rotatably connected between the first fixing seat (31) and the second fixing seat (35), a second auxiliary roller (32) is fixedly connected between the first fixing seat (31) and the second fixing seat (35), a second motor (16) is fixedly connected to the upper surface of a partition plate (18), a second belt wheel (17) is fixedly connected to the output end of the second motor (16), and a fourth belt wheel (36) is fixedly connected to one end of the rolling shaft (28), the second belt (37) is sleeved between the fourth belt wheel (36) and the second belt wheel (17), the first gear (29) is fixedly connected to the other end of the rolling shaft (28), the second gear (30) is fixedly connected to one end of the first auxiliary roller (27), the first gear (29) is meshed with the second gear (30), the push plate (22) is fixedly connected to the lower surface of the sliding plate (11), and the push plate (22) and the second cylinder (38) extend out to be fixedly connected.

5. The integrated powder supplementing and scraping device for the base shaft SLM metal printer as claimed in claim 4, wherein: the novel automatic feeding device is characterized in that a raw material box (15) is fixedly connected to the inner wall of the sliding plate (11), a first motor (13) is fixedly connected to the top of the raw material box (15), a first belt wheel (14) is fixedly connected to the output end of the first motor (13), a semicircular valve shaft (33) is rotatably connected to the inner wall of the raw material box (15), one end of the semicircular valve shaft (33) penetrates through the outer wall of the raw material box (15) and is fixedly connected with a third belt wheel (34), and a first belt (26) is sleeved between the first belt wheel (14) and the third belt wheel (34).

6. The integrated powder supplementing and scraping device for the base shaft type SLM metal printer as claimed in claim 1, wherein: lifting unit includes print box (39), print box (39) fixed connection is at baffle (18) inner wall, print box (39) inside fixedly connected with first cylinder (24), first cylinder (24) stretch out end fixedly connected with backup pad (23), fixed surface is connected with support column (21) on backup pad (23), support column (21) upper end fixedly connected with workstation (19), workstation (19) outer wall fixedly connected with sealing washer (20).