CN211222084U

CN211222084U - 3D printer saddle structure

Info

Publication number: CN211222084U
Application number: CN201921869371.8U
Authority: CN
Inventors: 杨浩; 郭冠麟
Original assignee: Guangzhou Jinyun Electronic Technology Co ltd
Current assignee: Guangzhou Jinyun Electronic Technology Co ltd
Priority date: 2019-11-01
Filing date: 2019-11-01
Publication date: 2020-08-11
Anticipated expiration: 2029-11-01

Abstract

The utility model discloses a 3D printer saddle structure, including holding in the palm the rack, the top of holding in the palm the rack corresponds both sides and has first guide rail through the bolt fastening, sliding connection has the slider on the first guide rail, the slider passes through the locating rack to be fixed in the corresponding both sides of crossbeam, and the bottom of locating rack has first drive assembly through the bolt fastening, the top center department of crossbeam has the second guide rail through the bolt fastening, first drive assembly includes first motor and drive wheel, first motor passes through the bottom of bolt fastening at the locating rack. The utility model discloses novel structure thinks about ingeniously, concentrates on same layer position, same part with the first guide rail and the second guide rail of printer, has reduced machine guide rail position in the past and has differed, the numerous and diverse requirement of part precision cooperatees, and this saddle structure can reduce the space waste of machine to can improve the depth of parallelism of transmission shaft widely, make beat printer head at the motion of same horizontal direction, thereby improved the printing precision greatly.

Description

3D printer saddle structure

Technical Field

The utility model relates to a 3D printer accessory technical field specifically is a 3D printer saddle structure.

Background

3D printing is one of the rapid prototyping technologies, which is to manufacture a three-dimensional object by using materials such as special wax materials, powdered metals or plastics and the like and by using a layer-by-layer printing mode on the basis of a digital model file. The 3D printing technology is characterized in that a computer three-dimensional design model is used as a blueprint, special materials such as metal powder, ceramic powder, plastics, cell tissues and the like are stacked layer by layer and bonded through a software layering dispersion and numerical control forming system in a laser beam and hot melting nozzle mode, and finally, an entity product is manufactured through superposition forming. The three-dimensional entity is changed into a plurality of two-dimensional planes through 3D printing, and the three-dimensional entity is produced by processing materials and overlapping layer by layer, so that the manufacturing complexity is greatly reduced. This digital manufacturing model can generate parts of any shape directly from computer graphics data. Fused Deposition Modeling (FDM) is a mainstream technique in 3D printing, and the FDM technique is a technique for generating two-dimensional geometric information for controlling the movement trajectory of a nozzle of a 3D printer by dividing a CAD model into extremely thin sections layer by layer. The heating head of the 3D printer heats hot-melt materials (ABS resin, nylon, wax and the like) to a critical state, semi-fluid properties are presented, and the nozzle extrudes the materials in the semi-fluid state along a two-dimensional geometric information motion track determined by CAD under the control of a computer, and the materials are solidified to form a thin layer in a contour shape. And after one layer is finished, lowering the newly formed layer through the vertical lifting system, and curing. Thus, the three-dimensional solid of the model is formed from bottom to top by stacking and bonding layer by layer.

The fixed positions of the guide rails of most of the machine types in the market are separately installed in a staggered mode, so that the space of the machine is not fully utilized, and the height of the inner space of the machine is influenced by the positions of the guide rails, so that unnecessary cost and space waste are increased. Therefore, it is necessary to design a 3D printer pallet structure.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a 3D printer saddle structure, this saddle structure, novel structure thinks about ingeniously, concentrates on same layer position, same part with the first guide rail and the second guide rail of printer, has reduced in the past the machine guide rail position differs, the numerous and diverse requirement of part precision cooperatees, and this saddle structure can reduce the space waste of machine to can improve the depth of parallelism of transmission shaft widely, also improved the printing precision greatly.

In order to achieve the above object, the utility model provides a following technical scheme: A3D printer supporting table structure comprises a supporting table frame, wherein first guide rails are fixed on two corresponding sides of the top of the supporting table frame through bolts, sliding blocks are connected onto the first guide rails in a sliding mode, the sliding blocks are fixed on two corresponding sides of a cross beam through positioning frames, a first driving assembly is fixed on the bottom of each positioning frame through bolts, and a second guide rail is fixed in the center of the top of the cross beam through bolts;

the first driving assembly comprises a first motor and a driving wheel, the first motor is fixed to the bottom of the positioning frame through a bolt, and the driving wheel which is connected to the supporting frame in a rolling mode is fixed to the input end of the first motor through the bolt.

Preferably, the other two sides of the top of the support rack are symmetrically fixed with transmission shaft bearing seats, the transmission shaft bearing seats are movably connected to the two corresponding sides of the transmission shaft, a bearing fixing block is arranged at the center of the transmission shaft, and one end of the transmission shaft is in driving connection with a second driving assembly.

Preferably, the second driving assembly comprises a second motor, a driving pulley, a transmission belt and a driven pulley, the driven pulley is fixed at one end of the transmission shaft through a bolt, the driving pulley is fixed at the output end of the second motor through a bolt, and the driving pulley is in transmission connection with the driven pulley through the transmission belt.

Preferably, one end of the pallet frame, which is located at the first guide rail, is fixed with a limit switch through a bolt.

Preferably, an installation frame is arranged right below the support frame, and a plurality of linear bearings are arranged at the top of the installation frame.

The utility model has the advantages that:

through designing the tray table structure, the first guide rail and the second guide rail of the printer are concentrated on the same layer of position and the same part, the requirements that the positions of the guide rails of the machine are different and the precision of matched parts is complicated in the prior art are reduced, the tray table structure can reduce the space waste of the machine, can greatly improve the parallelism of the transmission shaft and greatly improve the printing precision.

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. In the drawings:

fig. 1 is a schematic diagram of the overall three-dimensional structure of the present invention;

fig. 2 is a schematic three-dimensional structure diagram of the first driving assembly of the present invention;

fig. 3 is a schematic three-dimensional structure diagram of a second driving assembly of the present invention;

FIG. 4 is a schematic view of a three-dimensional structure of the pallet of the present invention;

reference numbers in the figures: 1. a cradle stand; 2. a transmission shaft bearing seat; 3. a drive shaft; 4. a bearing fixing block; 5. a mounting frame; 6. a linear bearing; 7. a first guide rail; 8. a positioning frame; 9. a slider; 10. a first drive assembly; 11. a cross beam; 12. a second guide rail; 13. a second drive assembly; 14. a limit switch; 15. a first motor; 16. a drive wheel; 17. a second motor; 18. a driving pulley; 19. a transmission belt; 20. a driven pulley.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-4.

Given by fig. 1-4, the utility model provides the following technical scheme: A3D printer supporting table structure comprises a supporting table frame 1, wherein first guide rails 7 are fixed on two corresponding sides of the top of the supporting table frame 1 through bolts, sliding blocks 9 are connected onto the first guide rails 7 in a sliding mode, the sliding blocks 9 are fixed on two corresponding sides of a cross beam 11 through positioning frames 8, a first driving assembly 10 is fixed at the bottom of each positioning frame 8 through bolts, and a second guide rail 12 is fixed at the center of the top of the cross beam 11 through bolts;

the first driving assembly 10 comprises a first motor 15 and a driving wheel 16, the first motor 15 is fixed at the bottom of the positioning frame 8 through a bolt, and the driving wheel 16 which is connected to the pallet frame 1 in a rolling mode is fixed at the input end of the first motor 15 through a bolt.

The other both sides symmetry in the top of bracket 1 is fixed with transmission shaft bearing frame 2, and transmission shaft bearing frame 2 swing joint is in the both sides that correspond of transmission shaft 3, and the center department of transmission shaft 3 is provided with bearing fixed block 4, and the one end drive of transmission shaft 3 is connected with second drive assembly 13.

The second driving assembly 13 comprises a second motor 17, a driving pulley 18, a transmission belt 19 and a driven pulley 20, one end of the transmission shaft 3 is fixed with the driven pulley 20 through a bolt, the output end of the second motor 17 is fixed with the driving pulley 18 through a bolt, and the driving pulley 18 and the driven pulley 20 are in transmission connection through the transmission belt 19.

And a limit switch 14 is fixed on one end of the bracket frame 1, which is positioned on the first guide rail 7, through a bolt.

The support rack is characterized in that an installation rack 5 is arranged under the support rack 1, and a plurality of linear bearings 6 are arranged at the top of the installation rack 5.

When the utility model is used, the first guide rail 7 and the second guide rail 12 of the printer are concentrated on the same layer of position and the same part by designing the pallet structure, so that the requirements of different positions of the machine guide rails and complicated precision of matched parts in the past are reduced, the pallet structure can reduce the space waste of the machine, can greatly improve the parallelism of the transmission shaft 3 and also greatly improve the printing precision;

the first guide rail 7, the second guide rail 12, the limit switch 14 and the transmission shaft 3 are installed on the support rack 1, the structure is used, the installation accuracy of the rest parts can be controlled simultaneously only by ensuring the machining and installation accuracy of the support rack 1, the installation of the machine is simpler, the accuracy requirement of the installation is simplified, and the space can be saved most mainly.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement 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 printer saddle structure, includes bracket frame (1), its characterized in that: a first guide rail (7) is fixed on two corresponding sides of the top of the pallet frame (1) through bolts, a sliding block (9) is connected onto the first guide rail (7) in a sliding mode, the sliding block (9) is fixed on two corresponding sides of a cross beam (11) through a positioning frame (8), a first driving assembly (10) is fixed on the bottom of the positioning frame (8) through bolts, and a second guide rail (12) is fixed on the center of the top of the cross beam (11) through bolts;

the first driving assembly (10) comprises a first motor (15) and a driving wheel (16), the first motor (15) is fixed to the bottom of the positioning frame (8) through a bolt, and the driving wheel (16) which is connected to the support frame (1) in a rolling mode is fixed to the input end of the first motor (15) through a bolt.

2. The 3D printer pallet structure of claim 1, wherein: the other bilateral symmetry in top of bracket rack (1) is fixed with transmission shaft bearing frame (2), transmission shaft bearing frame (2) swing joint is in the both sides that correspond of transmission shaft (3), the center department of transmission shaft (3) is provided with bearing fixed block (4), the one end drive of transmission shaft (3) is connected with second drive assembly (13).

3. The 3D printer pallet structure of claim 2, wherein: the second driving assembly (13) comprises a second motor (17), a driving belt wheel (18), a transmission belt (19) and a driven belt wheel (20), the driven belt wheel (20) is fixed to one end of the transmission shaft (3) through a bolt, the driving belt wheel (18) is fixed to the output end of the second motor (17) through a bolt, and the driving belt wheel (18) is in transmission connection with the driven belt wheel (20) through the transmission belt (19).

4. The 3D printer pallet structure of claim 1, wherein: and one end of the support rack (1) positioned on the first guide rail (7) is fixed with a limit switch (14) through a bolt.

5. The 3D printer pallet structure of claim 1, wherein: the support platform is characterized in that a mounting frame (5) is arranged under the support platform frame (1), and a plurality of linear bearings (6) are arranged at the top of the mounting frame (5).