CN112571795B

CN112571795B - 3D prints dustproof scraper motion structure

Info

Publication number: CN112571795B
Application number: CN202011218715.6A
Authority: CN
Inventors: 石亚栋
Original assignee: Shanghai Ruixian Information Technology Co ltd
Current assignee: Shanghai Ruixian Information Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2022-07-19
Anticipated expiration: 2040-11-04
Also published as: CN112571795A

Abstract

The invention discloses a 3D printing dustproof scraper moving structure, which belongs to the technical field of 3D printing and comprises an operating platform, wherein a first slide rail is fixedly arranged at the top of the front surface of the operating platform, a servo motor is fixedly arranged on one side of the first slide rail, and an output shaft of the servo motor penetrates through the first slide rail and extends to an inner cavity of the first slide rail to be fixedly provided with a threaded rod. The baffle is driven by the movement of the toothed plate to be separated from the dust absorption hole, so that the raised dust enters the inner cavity of the shell through the dust absorption hole.

Description

3D prints dustproof scraper motion structure

Technical Field

The invention belongs to the technical field of 3D printing, and particularly relates to a movement structure of a 3D printing dustproof scraper.

Background

3D printing (3DP), a technique for constructing objects by layer-by-layer printing using bondable materials such as powdered metals or plastics based on digital model files, is one of rapid prototyping techniques, also known as additive manufacturing, and 3D printing is usually performed using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields.

However, in prior art, supply powder and laser sintering powder raw and other materials and all have the raise dust to produce in 3D prints the course of working, can cause scraper motion structure dust to increase like this, influences its motion precision and life, and when the scraper met the protruding position of sintering when strickleing off the powder, also had the raise dust to produce moreover.

Therefore, the 3D printing dustproof scraper motion structure is provided for solving the problems in the prior art, raised dust can be collected, and the increase of dust of the scraper motion structure is prevented, so that the precision of a motion mechanism of the scraper motion structure is prevented, and the service life of the motion mechanism is prolonged.

Disclosure of Invention

The invention aims to provide a 3D printing dustproof scraper moving structure, which aims to solve the problems that in the prior art, dust is generated when powder is supplied and laser sintering powder raw materials are all subjected to dust raising in the 3D printing processing process, so that the dust of the scraper moving structure is increased, the precision and the service life of a moving mechanism of the scraper are influenced, and the dust is also generated when a scraper meets a sintering convex position during powder leveling.

In order to realize the purpose, the invention adopts the following technical scheme:

A3D printing dustproof scraper moving structure comprises an operating platform, wherein a first sliding rail is fixedly mounted at the top of the front surface of the operating platform, a servo motor is fixedly mounted on one side of the first sliding rail, an output shaft of the servo motor penetrates through the first sliding rail and extends to an inner cavity of the first sliding rail, a threaded rod is fixedly mounted on the inner cavity of the first sliding rail, a sliding block is in threaded connection with the surface of the threaded rod, a connecting rod is fixedly mounted on one side of the sliding block, and one end, far away from the sliding block, of the connecting rod penetrates through the first sliding rail and extends to the outside of the first sliding rail;

a shell is fixedly arranged at the bottom of the connecting rod and above the operating table, a driving gear is supported by a back bearing of an inner cavity of the shell, a driven gear is meshed with one side of the driving gear, the back of the driven gear is supported by a back bearing of the inner cavity of the shell, a transmission gear is fixedly arranged on the front of the driving gear, a scraper body is slidably inserted into the bottom of the shell, a connecting plate is fixedly arranged at the top of the scraper body, penetrates through the shell and extends to the inner cavity of the shell, a rack is fixedly arranged on one side of the top of the connecting plate, one side of the rack is meshed with the surface of the transmission gear, a dust guard is fixedly arranged in the inner cavity of the shell and below the driving gear, a spring is fixedly arranged at the bottom of the dust guard, the bottom of the spring is fixedly arranged with the top of the scraper body, and a notch matched with a toothed plate and the rack is formed in the surface of the dust guard, the surfaces of the toothed plate and the rack are in sliding connection with the inner cavity of the notch;

the equal fixed mounting in both sides of casing has the second slide rail, the inner chamber sliding connection of second slide rail has the pinion rack, the inboard of pinion rack respectively with driving gear and driven gear's surface toothing, the bottom fixed mounting of pinion rack has the baffle, the dust absorption hole has been seted up to the bottom impartial distance of casing both sides, one side of baffle and the one end laminating in dust absorption hole, the equal fixed mounting in four corners of operation panel bottom has the pillar, the inboard fixed mounting of pillar has the backup pad, the top of backup pad is provided with the fan, the air inlet end intercommunication of fan has the filter cartridge, the bottom of filter cartridge and the top fixed mounting of backup pad, the top intercommunication of filter cartridge has the connecting pipe, the connecting pipe is kept away from the one end of filter cartridge and is linked together with the back of casing.

Preferably, the fixed plates are fixedly mounted on two sides of the back face of the operating platform, the fixed rods are fixedly mounted on the inner sides of the fixed plates, the sliding grooves are formed in the front faces of the fixed rods, and one ends, away from the sliding blocks, of the connecting rods are connected with the inner walls of the sliding grooves in a sliding mode.

Preferably, the surface equidistance fixed mounting of dead lever has the support ring, the inner wall of support ring and the surface laminating of connecting pipe.

Preferably, the inner cavity of the filter box is fixedly provided with a filter plate outside the air inlet end of the fan, and the filter plate is arranged in an inclined manner.

Preferably, the back of the first slide rail is provided with a channel matched with the connecting rod, and the surface of the connecting rod is connected with the inner wall of the channel in a sliding manner.

Preferably, the back of the filter box is hinged with a box door, and one side of the back of the box door is fixedly provided with a handle.

Preferably, the two sides of the bottom of the fan are fixedly provided with supporting rods, and the bottom of each supporting rod is fixedly arranged with the top of the corresponding supporting plate.

The invention has the technical effects and advantages that: compared with the prior art, the 3D printing dustproof scraper motion structure provided by the invention has the following advantages:

1. according to the scraper, through the arrangement of the scraper body, powder on the surface of the operating table can be scraped to facilitate sintering, when the scraper body meets the position of a sintering bulge, the scraper body can move upwards, the scraper body can drive the rack through the connecting plate, the rack can drive the transmission gear to rotate, the transmission gear drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driving gear and the driven gear rotate to drive the toothed plate to slide in the inner cavity of the second sliding rail, the toothed plate moves to drive the baffle to be separated from the dust suction hole, and accordingly raised dust enters the inner cavity of the shell through the dust suction hole;

2. according to the invention, through the arrangement of the connecting rod, the output shaft of the servo motor drives the threaded rod to rotate, the rotation of the threaded rod drives the sliding block to slide in the inner cavity of the first sliding rail, the sliding of the sliding block drives the connecting rod to move, so that the scraper body is driven by the shell to move to scrape off powder on the surface of the operating table, the fixing plate can support the fixing rod, the sliding chute can support the connecting rod to slide, the support ring can support the connecting pipe, the connecting pipe is prevented from being wound and knotted in the moving process of the connecting pipe, and the arrangement of the channel can provide a moving space for the connecting rod;

3. according to the dust-proof scraper box, the dust can be prevented from polluting the driving gear and the driven gear through the arrangement of the dust-proof plate, the spring can press the scraper body downwards to be attached to the surface of the operating platform, the groove opening can facilitate the movement of the rack and the toothed plate, through the arrangement of the box door and the handle, when the dust in the filter box needs to be cleaned, a user can open the box door through pulling the handle so as to clean the dust in the filter box, and the arrangement of the supporting rod can play a role in supporting and fixing the fan;

4. according to the invention, through the arrangement of the fan, when the baffle plate is separated from the dust suction hole, dust entering the shell through the dust suction hole is pumped into the inner cavity of the filter box through the connecting pipe by the operation of the fan, so that the purpose of preventing powder from flying is achieved, the arrangement of the filter plate can block the dust inside the filter box, the dust is prevented from entering the fan through the air inlet end of the fan to damage the fan, and the purpose of filtering the dust to protect the fan is achieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a connecting tube according to the present invention;

FIG. 3 is a schematic structural view of the interior of the first slide rail according to the present invention;

FIG. 4 is a schematic view of the interior of the housing of the present invention;

FIG. 5 is a schematic view of the dust suction hole of the present invention;

fig. 6 is a schematic structural view of a toothed plate of the present invention;

FIG. 7 is a schematic view of the structure of the chute of the present invention;

fig. 8 is a schematic structural diagram of a second slide rail according to the present invention.

In the figure: : 1. an operation table; 2. a first slide rail; 3. a servo motor; 4. a threaded rod; 5. a slider; 6. a connecting rod; 7. a housing; 8. a driving gear; 9. a driven gear; 10. a transmission gear; 11. a scraper body; 12. a connecting plate; 13. a rack; 14. a second slide rail; 15. a toothed plate; 16. a baffle plate; 17. a dust collection hole; 18. a pillar; 19. a support plate; 20. a fan; 21. a filter cartridge; 22. a connecting pipe; 23. a fixing plate; 24. a fixing rod; 25. a chute; 26. a support ring; 27. a filter plate; 28. a dust-proof plate; 29. a spring; 30. a notch; 31. a channel; 32. a box door; 33. a handle; 34. a support rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a 3D printing dustproof scraper moving structure as shown in figures 1-8, which comprises an operating platform 1, wherein a first slide rail 2 is fixedly arranged at the top of the front surface of the operating platform 1, a servo motor 3 is fixedly arranged on one side of the first slide rail 2, an output shaft of the servo motor 3 penetrates through the first slide rail 2 and extends to the inner cavity of the first slide rail 2 and is fixedly provided with a threaded rod 4, the surface of the threaded rod 4 is in threaded connection with a slide block 5, a connecting rod 6 is fixedly arranged on one side of the slide block 5, one end of the connecting rod 6, far away from the slide block 5, penetrates through the first slide rail 2 and extends to the outside of the first slide rail 2, fixing plates 23 are fixedly arranged on both sides of the back surface of the operating platform 1, fixing rods 24 are fixedly arranged on the inner sides of the fixing plates 23, a slide groove 25 is arranged on the front surface of the fixing rods 24, one end of the connecting rod 6, far away from the slide block 5, is in sliding connection with the inner wall of the slide groove 25, supporting rings 26 are fixedly arranged on the surfaces of the fixing rods 24 at equal intervals, the inner wall of the support ring 26 is attached to the surface of the connecting pipe 22, the back of the first slide rail 2 is provided with a channel 31 matched with the connecting rod 6, and the surface of the connecting rod 6 is in sliding connection with the inner wall of the channel 31;

through the setting of the connecting rod 6, the output shaft of the servo motor 3 drives the threaded rod 4 to rotate, the rotation of the threaded rod 4 drives the sliding block 5 to slide in the inner cavity of the first sliding rail 2, the sliding of the sliding block 5 drives the connecting rod 6 to move, so that the scraper body 11 is driven to move through the shell 7 to scrape powder on the surface of the operating platform 1, the fixing plate 23 can support the fixing rod 24, the sliding chute 25 can support the connecting rod 6 to slide, the supporting ring 26 can support the connecting pipe 22, the connecting pipe 22 is prevented from being wound and knotted in the moving process of the connecting pipe 22, and the channel 31 can provide a moving space for the connecting rod 6;

a shell 7 is fixedly arranged at the bottom of the connecting rod 6 and above the operating platform 1, a driving gear 8 is supported by a back bearing in an inner cavity of the shell 7, a driven gear 9 is meshed with one side of the driving gear 8, the back of the driven gear 9 is supported by a back bearing in an inner cavity of the shell 7, a transmission gear 10 is fixedly arranged on the front of the driving gear 8, a scraper body 11 is slidably inserted into the bottom of the shell 7, a connecting plate 12 is fixedly arranged at the top of the scraper body 11, which penetrates through the shell 7 and extends to the inner cavity of the shell 7, a rack 13 is fixedly arranged on one side of the top of the connecting plate 12, one side of the rack 13 is meshed with the surface of the transmission gear 10, a dust guard 28 is fixedly arranged in the inner cavity of the shell 7 and below the driving gear 8, a spring 29 is fixedly arranged at the bottom of the dust guard 28, the bottom of the spring 29 is fixedly arranged with the top of the scraper body 11, a notch 30 matched with the toothed plate 15 and the rack 13 is arranged on the surface of the dust guard 28, the surfaces of the toothed plate 15 and the rack 13 are both in sliding connection with the inner cavity of the notch 30;

through the arrangement of the scraper body 11, the powder on the surface of the operating platform 1 can be scraped to be convenient for sintering, when the scraper body 11 meets the position of the sintering bulge, the scraper body 11 moves upwards, the movement of the scraper body 11 drives the rack 13 through the connecting plate 12, the movement of the rack 13 drives the transmission gear 10 to rotate, the rotation of the transmission gear 10 drives the driving gear 8 to rotate, the rotation of the driving gear 8 drives the driven gear 9 to rotate, the rotation of the driving gear 8 and the driven gear 9 drives the toothed plate 15 to slide in the inner cavity of the second sliding rail 14, the movement of the toothed plate 15 drives the baffle 16 to separate from the dust suction hole 17, thereby, the raised dust enters the inner cavity of the shell 7 through the dust absorption hole 17, the dust guard 28 can prevent the dust from polluting the driving gear 8 and the driven gear 9, the spring 29 can press the scraper body 11 downwards to be attached to the surface of the operating platform 1, and the notch 30 can facilitate the movement of the rack 13 and the toothed plate 15;

the two sides of the shell 7 are fixedly provided with second slide rails 14, the inner cavity of the second slide rail 14 is connected with a toothed plate 15 in a sliding manner, the inner side of the toothed plate 15 is respectively engaged with the surfaces of the driving gear 8 and the driven gear 9, the bottom of the toothed plate 15 is fixedly provided with a baffle 16, the bottoms of the two sides of the shell 7 are equidistantly provided with dust suction holes 17, one side of the baffle 16 is attached to one end of the dust suction holes 17, four corners of the bottom of the operating table 1 are respectively and fixedly provided with a support column 18, the inner side of the support column 18 is fixedly provided with a support plate 19, the top of the support plate 19 is provided with a fan 20, the air inlet end of the fan 20 is communicated with a filter box 21, the bottom of the filter box 21 is fixedly mounted with the top of the support plate 19, the top of the filter box 21 is communicated with a connecting pipe 22, one end of the connecting pipe 22 far away from the filter box 21 is communicated with the back of the shell 7, the inner cavity of the filter box 21 is fixedly provided with a filter plate 27 outside of the fan 20, the filter plate 27 is arranged obliquely;

through the arrangement of the fan 20, when the baffle 16 is separated from the dust suction hole 17, dust entering the interior of the shell 7 through the dust suction hole 17 is pumped into the inner cavity of the filter box 21 through the connecting pipe 22 by the operation of the fan 20, so that the purpose of preventing powder dust is achieved, the arrangement of the filter plate 27 can block the dust inside the filter box 21, the dust is prevented from entering the interior of the fan 20 through the air inlet end of the fan 20 to damage the fan 20, and the purpose of filtering the dust to protect the fan 20 is achieved;

wherein, the back of filter box 21 articulates there is chamber door 32, one side fixed mounting at the chamber door 32 back has handle 33, the equal fixed mounting in both sides of fan 20 bottom has bracing piece 34, the bottom of bracing piece 34 and the top fixed mounting of backup pad 19, through the setting of chamber door 32 and handle 33, when needing to clear up the inside dust of filter box 21, user's accessible pulling handle 33 opens chamber door 32 so that clear up the inside dust of filter box 21, the setting of bracing piece 34 can play the fixed effect of support to fan 20.

The working principle is as follows: when the device is used by a user, the servo motor 3 can be opened through the external controller, the output shaft of the servo motor 3 drives the threaded rod 4 to rotate, the rotation of the threaded rod 4 drives the sliding block 5 to slide in the inner cavity of the first sliding rail 2, the sliding of the sliding block 5 drives the connecting rod 6 to move, so that the scraper body 11 is driven by the shell 7 to move to scrape powder on the surface of the operating platform 1, when the scraper body 11 meets a sintering convex place, the scraper body 11 moves upwards, the connecting plate 12 drives the rack 13, the rack 13 moves to drive the transmission gear 10 to rotate, the transmission gear 10 rotates to drive the driving gear 8 to rotate, the driving gear 8 rotates to drive the driven gear 9 to rotate, the driving gear 8 and the driven gear 9 rotate to drive the toothed plate 15 to slide in the inner cavity of the second sliding rail 14, and the baffle 16 is separated from the dust suction hole 17 due to the movement of the toothed plate 15, at this time, the user opens the fan 20 through the external controller, the work of the fan 20 draws the external dust into the inner cavity of the housing 7 through the dust suction hole 17, and the dust is drawn into the inner cavity of the filter box 21 through the connecting pipe 22, so that the purpose of dust prevention is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a 3D prints dustproof scraper motion structure, includes operation panel (1), its characterized in that: a first sliding rail (2) is fixedly mounted at the top of the front face of the operating platform (1), a servo motor (3) is fixedly mounted on one side of the first sliding rail (2), an output shaft of the servo motor (3) penetrates through the first sliding rail (2) and extends to an inner cavity of the first sliding rail (2), a threaded rod (4) is fixedly mounted on the inner cavity of the first sliding rail (2), a sliding block (5) is connected to the surface of the threaded rod (4) in a threaded mode, a connecting rod (6) is fixedly mounted on one side of the sliding block (5), and one end, far away from the sliding block (5), of the connecting rod (6) penetrates through the first sliding rail (2) and extends to the outside of the first sliding rail (2);

the bottom of the connecting rod (6) is fixedly provided with a shell (7) above the operating platform (1), the back bearing of the inner cavity of the shell (7) is supported by a driving gear (8), one side of the driving gear (8) is engaged with a driven gear (9), the back of the driven gear (9) is supported by the back bearing of the inner cavity of the shell (7), the front of the driving gear (8) is fixedly provided with a transmission gear (10), the bottom of the shell (7) is slidably inserted with a scraper body (11), the top of the scraper body (11) penetrates through the shell (7) and extends to the inner cavity of the shell (7) to be fixedly provided with a connecting plate (12), one side of the top of the connecting plate (12) is fixedly provided with a rack (13), one side of the rack (13) is engaged with the surface of the transmission gear (10), the inner cavity of the shell (7) is fixedly provided with a dust guard (28) below the driving gear (8), a spring (29) is fixedly mounted at the bottom of the dustproof plate (28), the bottom of the spring (29) is fixedly mounted with the top of the scraper body (11), a notch (30) matched with the toothed plate (15) and the rack (13) is formed in the surface of the dustproof plate (28), and the surfaces of the toothed plate (15) and the rack (13) are both in sliding connection with an inner cavity of the notch (30);

the air conditioner is characterized in that second sliding rails (14) are fixedly mounted on two sides of the shell (7), a toothed plate (15) is connected to an inner cavity of the second sliding rails (14) in a sliding mode, the inner side of the toothed plate (15) is meshed with the surfaces of the driving gear (8) and the driven gear (9) respectively, a baffle (16) is fixedly mounted at the bottom of the toothed plate (15), dust suction holes (17) are formed in the bottom of the two sides of the shell (7) in an equal distance, one side of the baffle (16) is attached to one end of each dust suction hole (17), pillars (18) are fixedly mounted at four corners of the bottom of the operating platform (1), a supporting plate (19) is fixedly mounted on the inner side of each pillar (18), a fan (20) is arranged at the top of the supporting plate (19), a filter box (21) is communicated with an air inlet end of the fan (20), and the bottom of the filter box (21) is fixedly mounted at the top of the supporting plate (19), the top of the filter box (21) is communicated with a connecting pipe (22), and one end, far away from the filter box (21), of the connecting pipe (22) is communicated with the back of the shell (7).

2. The 3D printing dustproof scraper motion structure according to claim 1, characterized in that: the utility model discloses an operation panel, including operation panel (1), inboard fixed mounting of fixed plate (23), spout (25) have been seted up in the front of fixed plate (24), the one end that slider (5) were kept away from in connecting rod (6) and the inner wall sliding connection of spout (25).

3. The 3D printing dustproof scraper motion structure according to claim 2, characterized in that: the surface equidistance fixed mounting of dead lever (24) has support ring (26), the inner wall of support ring (26) and the surface laminating of connecting pipe (22).

4. The 3D printing dust-proof scraper moving structure according to claim 1, characterized in that: the filter box is characterized in that a filter plate (27) is fixedly arranged outside the inner cavity of the filter box (21) and located at the air inlet end of the fan (20), and the filter plate (27) is obliquely arranged.

5. The 3D printing dustproof scraper motion structure according to claim 1, characterized in that: the back of the first sliding rail (2) is provided with a channel (31) matched with the connecting rod (6), and the surface of the connecting rod (6) is connected with the inner wall of the channel (31) in a sliding mode.

6. The 3D printing dust-proof scraper moving structure according to claim 1, characterized in that: the back of the filter box (21) is hinged with a box door (32), and one side of the back of the box door (32) is fixedly provided with a handle (33).

7. The 3D printing dust-proof scraper moving structure according to claim 1, characterized in that: the fan is characterized in that supporting rods (34) are fixedly mounted on two sides of the bottom of the fan (20), and the bottom of each supporting rod (34) is fixedly mounted with the top of the corresponding supporting plate (19).