CN217226701U

CN217226701U - Supporting table for 3D printing skeleton

Info

Publication number: CN217226701U
Application number: CN202220186095.0U
Authority: CN
Inventors: 张婷婷; 张彦杰; 张炜; 朱怡; 高文俊; 魏向前; 高子怡; 陈弘凯; 冯思宇; 徐智慧; 张浩玮
Original assignee: Taiyuan University of Technology
Current assignee: Taiyuan University of Technology
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-19
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a support table for 3D printing skeleton, which comprises a printing support table, wherein the outer side of the printing support table is slidably connected with a sliding frame, the inner side of the sliding frame is provided with a limit rod, the rear side of the bottom end of the printing support table is fixedly connected with a motor through a connecting block, the end of a main shaft of the motor is fixedly connected with a threaded shaft, the threaded shaft is driven to be in screw connection with the sliding frame through the arranged threaded shaft, the gear can be continuously meshed with a rack to drive a fixed shaft to rotate under the limit of the limit rod to the sliding frame, so that the eccentric wheel is driven to continuously push a scraper mechanism to move back and forth and move left and right, the automatic shoveling of the printed skeleton is realized, the operation is simple and convenient, the time and labor are saved, the manual participation is reduced, and the automation degree of 3D printing equipment is improved, and the residual bonding material on the printing support table is cleaned more thoroughly, and the printing efficiency is improved.

Description

Supporting table for 3D printing skeleton

Technical Field

The utility model relates to a 3D prints technical field, in particular to a brace table for 3D prints skeleton.

Background

3D prints one kind of rapid prototyping technique promptly, also known as additive manufacturing, it is one kind and is based on digital model file, but adhesive material such as application powdered metal or plastics, the technique of the mode of printing through the successive layer constructs the object, 3D printing apparatus structure is complicated, traditional 3D printer is when carrying out skeleton printing, after it accomplishes the printing operation, need manually use the metal shovel to shovel off the good skeleton of printing on the brace table, it is not convenient enough to operate, it wastes time and energy, the automatic shovel that the brace table can not realize the skeleton is down, artifical participation is great, degree of automation is lower, and the manual clearance of remaining adhesive material is not thorough enough on the brace table of printing, the efficiency of printing has been reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model overcomes current defect, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a brace table for 3D prints skeleton, is including printing a brace table, it has the carriage to print a brace table outside sliding connection, the carriage inboard is equipped with the gag lever post, it passes through connecting block fixedly connected with motor to print a brace table bottom rear side, the terminal fixedly connected with screw spindle of main shaft of motor, and screw spindle and carriage spiral connection, both ends are all rotated and are connected with the fixed axle about the carriage inboard, and the fixed axle runs through the carriage, fixed axle outside one end fixedly connected with gear, gear outside meshing is connected with the rack, and rack and gag lever post fixed connection, fixed axle outside other end fixedly connected with eccentric wheel, it is equipped with the scraper to print a brace table top.

As the utility model discloses a further improvement, the gag lever post has 2, and the gag lever post symmetry sets up printing a supporting bench left and right sides, gag lever post and carriage sliding connection, gag lever post and printing a supporting bench fixed connection, this kind of setting has guaranteed the stability when the carriage slides.

As the utility model discloses a further improvement, it all is equipped with the slider to print a supporting bench top left and right sides, and slider and carriage sliding connection, the inboard one end of slider is rotated and is connected with the location axle, the inboard sliding connection of location axle has the bracing piece, bracing piece and scraper sliding connection, bracing piece outside one end spiral connection has the bolt, and the bolt runs through the scraper, bolt and scraper spiral connection, this kind of setting has made things convenient for the change to the scraper, and easy operation is convenient.

As the utility model discloses a further improvement, the inboard other end of slider rotates and is connected with the ball, and ball and eccentric wheel contact, and this kind of setting has reduced the friction that produces when the eccentric wheel promoted the slider.

As the utility model discloses a further improvement, location axle outside one end fixedly connected with worm wheel, the meshing of the worm wheel outside is connected with the worm, and the worm runs through the slider of one end, the worm rotates with the slider of one end to be connected, and this kind of setting is convenient for go to the scraper the angle of being convenient for to change.

As a further improvement, the other end fixedly connected with spring outside the support rod, and the other end and the location axle fixed connection of spring, this kind of setting has guaranteed inseparable of scraper with the print platform contact.

As a further improvement, the scraper is a V-shaped setting, and the cutting edge of the scraper is a saw-toothed setting, which makes the scraping effect of the printed skeleton better.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model provides a brace table for 3D prints skeleton, threaded shaft through setting up, the gear, the gag lever post, eccentric wheel and blade, when using the device, take place threaded connection through starter motor drive threaded shaft and carriage, under the gag lever post is spacing to the carriage, can make the continuous meshing rack of gear drive the fixed axle and rotate, carry out the side-to-side motion when driving this and constantly promoting scraper mechanism and carry out the back-and-forth movement, realized shoveling down the automation of printing good skeleton, the operation is simple and convenient, time saving and labor saving, artifical participation has been reduced, 3D printing apparatus's degree of automation has been improved, and make the more thorough of remaining bonding material clearance on the printing brace table, the efficiency of printing has been improved.

2. The utility model provides a brace table for 3D prints skeleton, worm wheel through setting up, the location axle, bracing piece and bolt, when using the device, when scraper wearing and tearing need be changed, rotate through rotating the continuous meshing worm wheel of worm, can constantly drive location axle and slider emergence rotation, location axle is rotated to the place ahead this moment, this moment under the elasticity of spring resumes, the bracing piece can constantly take place to slide with the location axle, thereby drive the scraper not with a brace table contact, make the scraper be in the angle of being convenient for change this moment, can take off the scraper through taking off the bolt and change the operation this moment, and the operation is simple and convenient.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is the utility model relates to a supporting bench's overall structure schematic diagram for 3D prints skeleton.

Fig. 2 is a schematic view of a mounting structure of a support platform carriage for 3D printing of bones according to the present invention.

Fig. 3 is the utility model relates to a sectional structure schematic diagram of a supporting bench slider for 3D prints skeleton.

Fig. 4 is the utility model relates to a sectional structure schematic diagram of a supporting bench location axle for 3D prints skeleton.

Fig. 5 is a schematic view of a mounting structure of a supporting platform rack for 3D printing of bones.

Fig. 6 is a schematic view of the whole structure of the supporting platform scraper for 3D printing of bone of the present invention.

In the figure: 1. printing a support table; 2. a carriage; 3. a limiting rod; 4. a motor; 5. a threaded shaft; 6. a fixed shaft; 7. a gear; 8. a rack; 9. an eccentric wheel; 10. a slider; 11. a ball bearing; 12. positioning the shaft; 13. a worm gear; 14. a worm; 15. a support bar; 16. a spring; 17. a scraper; 18. and (4) bolts.

Detailed Description

The present invention will be further described with reference to the following embodiments, wherein the drawings are for illustrative purposes only and are not intended to be limiting, and in order to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced and do not represent the size of an actual product.

In order to make the technical means, creation characteristics, achievement purposes and efficacies of the utility model easy to understand, in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of description of the present invention and simplification of 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, and therefore should not be construed as limiting the invention, furthermore, the terms "first", "second", "third" are used for descriptive purposes only, but are not to be construed as indicating or implying relative importance, the invention is further described below in connection with the detailed description.

Example 1

As shown in fig. 1-6, a supporting table for 3D bone printing comprises a printing supporting table 1, a sliding frame 2 is slidably connected to the outer side of the printing supporting table 1, a limiting rod 3 is disposed on the inner side of the sliding frame 2, a motor 4 is fixedly connected to the rear side of the bottom end of the printing supporting table 1 through a connecting block, a threaded shaft 5 is fixedly connected to the end of a main shaft of the motor 4, the threaded shaft 5 is spirally connected to the sliding frame 2, a fixed shaft 6 is rotatably connected to the left and right ends of the inner side of the sliding frame 2, the fixed shaft 6 penetrates through the sliding frame 2, a gear 7 is fixedly connected to one end of the outer side of the fixed shaft 6, a rack 8 is engaged and connected to the outer side of the gear 7, the rack 8 is fixedly connected to the limiting rod 3, an eccentric wheel 9 is fixedly connected to the other end of the outer side of the fixed shaft 6, a scraper 17 is disposed on the top end of the printing supporting table 1, and 2 limiting rods 3 are provided, and 3 symmetries of gag lever post set up in printing 1 left and right sides of propping up supporting bench, gag lever post 3 and 2 sliding connection of carriage, gag lever post 3 with print 1 fixed connection of propping up supporting bench, print 1 top left and right sides of propping up supporting bench and all be equipped with slider 10, and slider 10 and 2 sliding connection of carriage, the inboard one end of slider 10 is rotated and is connected with location axle 12, the inboard sliding connection of location axle 12 has bracing piece 15, bracing piece 15 and scraper 17 sliding connection, 15 outside one end screwed connection of bracing piece has bolt 18, and bolt 18 runs through scraper 17, bolt 18 and scraper 17 screwed connection, scraper 17 is the setting of V form, and the cutting edge of scraper 17 is the cockscomb structure setting.

In this embodiment, when the bone printing operation is completed, the motor 4 drives the threaded shaft 5 to rotate, and further drives the sliding frame 2 located on the threaded shaft 5 to slide forward, the sliding frame 2 at this time can slide continuously with the limiting rod 3 under the limitation of the limiting rod 3, through the sliding connection between the sliding block 10 and the sliding frame 2, the rotational connection between the positioning shaft 12 and the sliding block 10, the sliding connection between the supporting rod 15 and the positioning shaft 12, and the connection between the scraper 17 and the supporting rod 15 through the bolt 18, so that the scraper 17 is driven to move forward by the forward movement of the sliding frame 2, during the forward movement of the sliding frame 2, the gear 7 is engaged with the rack 8 outside the limiting rod 3, at this time, the gear 7 drives the fixed shaft 6 to rotate, thereby driving the eccentric wheels 9 located on the fixed shaft 6 to act on the sliding blocks 10 on the left and right sides, and further pushing the positioning shaft 12 located at the other end of the sliding block 10 and the scraper 17 located in the supporting rod 15 to move left and right, carry out the side-to-side movement when carrying out the forward motion with this continuous control scraper 17, realized removing the quick automation of printing good skeleton, and it is better to remove the effect, prints the more thorough that remaining printing material removed on the brace table 1, has improved 3D printing apparatus's degree of automation, has improved the efficiency of printing simultaneously.

Example 2

As shown in fig. 2, 3, 4 and 6, a support table for 3D bone printing comprises a printing support table 1, wherein the outer side of the printing support table 1 is slidably connected with a sliding frame 2, the inner side of the sliding frame 2 is provided with a limiting rod 3, the rear side of the bottom end of the printing support table 1 is fixedly connected with a motor 4 through a connecting block, the tail end of a main shaft of the motor 4 is fixedly connected with a threaded shaft 5, the threaded shaft 5 is spirally connected with the sliding frame 2, the left end and the right end of the inner side of the sliding frame 2 are rotatably connected with a fixed shaft 6, the fixed shaft 6 penetrates through the sliding frame 2, one end of the outer side of the fixed shaft 6 is fixedly connected with a gear 7, the outer side of the gear 7 is engaged with a rack 8, the rack 8 is fixedly connected with the limiting rod 3, the other end of the outer side of the fixed shaft 6 is fixedly connected with an eccentric wheel 9, the top end of the printing support table 1 is provided with a scraper 17, the left side and the right side of the top end of the printing support table 1 are provided with sliders 10, and the sliding block 10 is connected with the sliding frame 2 in a sliding way, one end of the inner side of the sliding block 10 is connected with a positioning shaft 12 in a rotating way, a support rod 15 is connected to the inner side of the positioning shaft 12 in a sliding manner, the support rod 15 is connected with a scraper 17 in a sliding manner, a bolt 18 is connected to one end of the outer side of the support rod 15 in a spiral manner, a bolt 18 penetrates through the scraper 17, the bolt 18 is spirally connected with the scraper 17, the other end of the inner side of the sliding block 10 is rotatably connected with a ball 11, the ball 11 is contacted with the eccentric wheel 9, one end of the outer side of the positioning shaft 12 is fixedly connected with a worm wheel 13, the outer side of the worm wheel 13 is engaged and connected with a worm 14, a worm 14 penetrates through the sliding block 10 at one end, the worm 14 is rotationally connected with the sliding block 10 at one end, the other end of the outer side of the supporting rod 15 is fixedly connected with a spring 16, and the other end of the spring 16 is fixedly connected with the positioning shaft 12, the scraper 17 is arranged in a V shape, and the cutting edge of the scraper 17 is arranged in a sawtooth shape.

In this embodiment, when the scraper 17 is seriously worn and needs to be replaced, the worm 14 is rotated to drive the worm wheel 13 to rotate, so as to drive the positioning shaft 12 to rotate forward, the scraper 17 to be replaced is rotated to an angle convenient for replacement, at this time, the compressed spring 16 can continuously recover to deform when the scraper 17 is not in contact with the printing support table 1, the support rod 15 can slide out from the positioning shaft 12 at this time, after the scraper 17 is rotated to a specified angle, the scraper 17 can be taken down only by taking down the bolt 18 at this time, then a new scraper 17 is replaced, then the bolt 18 is reset, finally, the new scraper 17 is reset to the initial position to continue to be used, after the scraper 17 is reset, the spring 16 can be compressed again at this time, the surface at the bottom end of the scraper 17 can be in parallel contact with the printing support table 1 at this time, so that the scraper 17 is in contact with the support table 1 more closely, with this make the good skeleton of printing by the effect of scraping off better, above operate very big make things convenient for the change operation to scraper 17, operate swift convenient, through scraper 17 and the in close contact with of brace table 1, still make the good skeleton of printing by the effect of scraping off better.

The utility model discloses improve in: when the skeleton printing operation is finished, the motor 4 drives the threaded shaft 5 to rotate, the sliding frame 2 on the threaded shaft 5 is further driven to slide forwards, the sliding frame 2 can continuously slide with the limiting rod 3 under the limiting action of the limiting rod 3, the sliding connection between the sliding block 10 and the sliding frame 2, the rotating connection between the positioning shaft 12 and the sliding block 10, the sliding connection between the supporting rod 15 and the positioning shaft 12 and the connection between the scraper 17 and the supporting rod 15 through the bolt 18 are realized, so that the scraper 17 is driven to move forwards through the forward movement of the sliding frame 2, the gear 7 is meshed with the rack 8 on the outer side of the limiting rod 3 in the forward movement process of the sliding frame 2, the gear 7 drives the fixed shaft 6 to rotate at the moment, the eccentric wheels 9 on the fixed shaft 6 are driven to rotate, the eccentric wheels 9 on the left side and right side of the sliding blocks 10 act on the left side and right side of the sliding blocks 10, the positioning shaft 12 on the other end of the sliding block 10 and the scraper 17 in the supporting rod 15 are further pushed to move left and right side, the scraper 17 is continuously controlled to move forwards and move left and right, the printed skeleton is quickly and automatically removed, the removing effect is better, the residual printing materials on the printing support table 1 are removed more thoroughly, the automation degree of the 3D printing equipment is improved, the printing efficiency is improved, when the scraper 17 is seriously worn and needs to be replaced, the worm gear 13 is driven to rotate through the rotating worm 14, the positioning shaft 12 is driven to rotate forwards, the scraper 17 needing to be replaced is rotated to an angle convenient to replace, the compressed spring 16 can continuously recover deformation when the scraper 17 is not in contact with the printing support table 1, the support rod 15 can slide out of the positioning shaft 12, after the scraper 17 rotates to a specified angle, the scraper 17 can be taken down only by taking down the bolt 18, then a new scraper 17 is replaced, and then the bolt 18 is reset, reset the scraper 17 who newly changes up to initial position at last and can continue to use the device, after scraper 17 resets, spring 16 can be compressed once more this moment, the face of scraper 17 bottom this moment can with print a supporting bench 1 parallel contact, thereby make scraper 17 inseparabler with supporting bench 1 contact, it is better with this effect that makes the good skeleton of printing scraped, the very big change operation to scraper 17 of having made things convenient for of above operation, it is swift convenient to operate, through scraper 17 and supporting bench 1's in close contact with, still make the good skeleton of printing scraped better by the effect.

The foregoing is an embodiment of the preferred embodiment of the present invention, showing and describing the basic principles and main features of the present invention and the advantages of the present invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, and the foregoing embodiments and descriptions are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the present invention as claimed, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a brace table for 3D prints skeleton, is including printing brace table (1), its characterized in that: the outer side of the printing support table (1) is connected with a sliding frame (2) in a sliding manner, the inner side of the sliding frame (2) is provided with a limiting rod (3), the rear side of the bottom end of the printing support table (1) is fixedly connected with a motor (4) through a connecting block, the tail end of a main shaft of the motor (4) is fixedly connected with a threaded shaft (5), the threaded shaft (5) is spirally connected with the sliding frame (2), the left end and the right end of the inner side of the sliding frame (2) are respectively and rotatably connected with a fixed shaft (6), a fixed shaft (6) penetrates through the sliding frame (2), one end of the outer side of the fixed shaft (6) is fixedly connected with a gear (7), the outer side of the gear (7) is engaged and connected with a rack (8), and the rack (8) is fixedly connected with the limiting rod (3), the other end of the outer side of the fixed shaft (6) is fixedly connected with an eccentric wheel (9), and the top end of the printing support table (1) is provided with a scraper (17).

2. A support table for 3D printing a bone as claimed in claim 1, wherein: gag lever post (3) have 2, and gag lever post (3) symmetry sets up printing brace table (1) left and right sides, gag lever post (3) and carriage (2) sliding connection, gag lever post (3) with print brace table (1) fixed connection.

3. A support table for 3D printing a bone as claimed in claim 1, wherein: print supporting bench (1) top left and right sides and all be equipped with slider (10), and slider (10) and carriage (2) sliding connection, slider (10) inboard one end is rotated and is connected with location axle (12), location axle (12) inboard sliding connection has bracing piece (15), bracing piece (15) and scraper (17) sliding connection, bracing piece (15) outside one end screw connection has bolt (18), and bolt (18) run through scraper (17), bolt (18) and scraper (17) screw connection.

4. A support table for 3D printing a bone according to claim 3, wherein: the other end of the inner side of the sliding block (10) is rotatably connected with a ball (11), and the ball (11) is in contact with the eccentric wheel (9).

5. A support table for 3D printing a bone according to claim 3, wherein: location axle (12) outside one end fixedly connected with worm wheel (13), worm wheel (13) outside meshing is connected with worm (14), and worm (14) run through slider (10) of one end, worm (14) are rotated with slider (10) of one end and are connected.

6. A support table for 3D printing a bone according to claim 3, wherein: the other end of the outer side of the supporting rod (15) is fixedly connected with a spring (16), and the other end of the spring (16) is fixedly connected with the positioning shaft (12).

7. A support table for 3D printing a bone as claimed in claim 1, wherein: the scraper (17) is arranged in a V shape, and the cutting edge of the scraper (17) is arranged in a saw-toothed shape.