CN212422193U

CN212422193U - Photocuring 3D printing apparatus levelling device

Info

Publication number: CN212422193U
Application number: CN202020703340.1U
Authority: CN
Inventors: 黄伟坚
Original assignee: Foshan City Stek Technology Co ltd
Current assignee: Foshan City Stek Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-29
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to a photocuring 3D printing apparatus levelling device makes universal ball core rotate in first arc recess and second arc recess through the spacing groove, and after the leveling, through locking bolt locking, simple and convenient, nimble swift, stability is strong, can realize XYZ triaxial direction's leveling, and overall structure is simple, and low cost has stronger practicality and extensive application.

Description

Photocuring 3D printing apparatus levelling device

Technical Field

The utility model relates to a 3D prints technical field, especially relates to a photocuring 3D printing apparatus levelling device.

Background

The 3D printing technology is a personalized forming and manufacturing technology which is gradually developed in recent years, and has the advantages of high forming speed, low cost, less pollution, convenience in use, small size and the like. With the gradual development of 3D printer technology, the current printing equipment has various and distinctive features. Mainly comprises high molecular polymers, light-cured resins, sintered metal powder or plastic powder, ceramics, foods, concrete and other printing types and corresponding equipment. Printing equipment with special requirements in the fields is sequentially required in different fields, such as corresponding house building printing equipment in a building and printing equipment for printing living cells in medical treatment. Currently, research on leveling devices of photocuring 3D printing apparatuses is increasing, and documents, patents and research reports related to the leveling devices of photocuring 3D printing apparatuses are various.

At present, platforms of existing photocuring 3D printing equipment are not provided with flexible leveling devices, free adjustment is basically achieved in a mode similar to a camera pan-tilt, but because the structures are originally designed on the fixed and static application of a camera, the mechanical properties of the structures are general, the problem that structural parts rotate and shift in the using process is likely to occur, the printing quality is reduced, users need to level repeatedly, and the using efficiency of the equipment is reduced. Most of the structures are directly connected with a printing platform, or one part of the structures adopts a spherical or spheroid part to realize leveling, but many of the structures have instability or too high cost or too complex realization modes, which is not favorable for quickly and flexibly realizing the aim of simply and effectively leveling.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, it is necessary to provide a leveling device for a photocuring 3D printing apparatus, which can achieve flexible adjustment of a 3D printing platform.

In order to solve the technical problem, the utility model discloses a technical scheme be: a photocuring 3D printing apparatus levelling device includes: one end of the first universal arm sleeve is provided with a first arc-shaped groove; one end of the second universal arm sleeve is provided with a second arc-shaped groove butted with the first arc-shaped groove; the universal ball core is in an annular sleeve shape, the inner wall of the universal ball core is flat and cylindrical, the outer wall of the universal ball core is in a convex arc annular shape, and a circle of limiting groove matched with the universal ball core is arranged in the first arc-shaped groove and the second arc-shaped groove; the locking bolt penetrates through the second universal arm sleeve from one end of the second universal arm sleeve and is in threaded connection with the first universal arm sleeve to lock the universal ball core; the connecting rod comprises a cylindrical rod sleeved in the universal ball core and a connecting block connected with the cylindrical rod, and the connecting block is used for being connected with the printing platform.

Further, still include module connecting block and platform nut, first universal arm cover is kept away from the one end of second universal arm cover is equipped with dorsad the universal arm cover open-ended locking groove of second, the module connecting block be equipped with to the lug that extends in the locking groove, be equipped with a screw on the module connecting block, be equipped with vertical intercommunication on the first universal arm the through-hole of locking groove, the platform nut passes the through-hole with the screw is connected fixedly the module connecting block with first universal arm cover.

Furthermore, the bottom of the locking groove is a plane, the two vertical surfaces of the locking groove are planes, the two sides of the locking groove are arc-shaped, and the convex block is matched with the locking groove.

Furthermore, the through hole is a long circular hole back to the opening of the second universal arm sleeve.

Furthermore, the universal ball core is provided with a notch with a radial opening.

Furthermore, the distance between the notches is 0.2mm-10 mm.

Furthermore, the end surface of the first universal arm sleeve and the second universal arm sleeve which are butted is a plane.

Furthermore, the printing platform is provided with a mounting groove facing one side of the connecting block, and the connecting block is limited in the mounting groove and is in threaded connection with the printing platform.

Further, the utility model also provides an application of foretell photocuring 3D printing apparatus levelling device, this application is for being used for 3D printing apparatus's print platform's leveling.

The beneficial effects of the utility model reside in that: make universal ball core can rotate in first arc recess and second arc recess through the spacing groove, after the leveling, through locking bolt locking, simple and convenient, nimble swift, stability is strong, can realize the leveling of XYZ triaxial direction, and overall structure is simple, and low cost has stronger practicality and extensive application.

Drawings

Fig. 1 is a schematic structural diagram of a leveling device of a photocuring 3D printing apparatus according to an embodiment of the present invention;

fig. 2 is the embodiment of the utility model discloses photocuring 3D printing apparatus levelling device's cross-sectional structure sketch map.

Description of reference numerals:

1. a module connecting block; 11. a bump; 12. a T-shaped block; 13. a screw hole; 2. a platform nut;

3. a first universal arm sleeve; 31. a first arc-shaped groove; 32. a limiting groove; 33. an oblong hole;

34. a locking groove; 4. a universal ball core; 41. a notch; 5. a connecting rod; 51. a cylindrical rod;

52. connecting blocks; 6. a second universal arm sleeve; 61. a second arc-shaped groove; 7. a printing platform;

71. mounting grooves; 8. a connecting screw; 9. and locking the bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, is a further detailed description of the leveling device for a photocuring 3D printing apparatus. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 and 2, a leveling device of a photocuring 3D printing apparatus includes: one end of the first universal arm sleeve 3 is provided with a first arc-shaped groove 31; one end of the second universal arm sleeve 6 is provided with a second arc-shaped groove 61 butted with the first arc-shaped groove 31; the universal ball core 4 is in an annular sleeve shape, the inner wall of the universal ball core is flat and cylindrical, the outer wall of the universal ball core is in a convex arc annular shape, and a circle of limiting groove 32 matched with the universal ball core 4 is arranged in the first arc-shaped groove 31 and the second arc-shaped groove 61; the locking bolt 9 penetrates through the second universal arm sleeve 6 from one end of the second universal arm sleeve 6 to be in threaded connection with the first universal arm sleeve 3 and lock the universal ball core 4; the connecting rod 5 comprises a cylindrical rod 51 sleeved in the universal ball core 4 and a connecting block 52 connected with the cylindrical rod 51, and the connecting block 52 is used for being connected with the printing platform 7.

Make universal ball core 4 to rotate in first arc recess 31 and second arc recess 61 through spacing groove 32, after the leveling, through locking bolt 9 locking, simple and convenient, nimble swift, stability is strong, can realize the leveling of XYZ triaxial direction, and overall structure is simple, and low cost has stronger practicality and extensive application.

During the use, universal ball core 4 can movably be arranged in between first arc recess 31 and second arc recess 61, restricts through spacing groove 32, makes print platform 7 support and holds a horizontal platform of contact, and after stable, locks first universal armlet 3 and second universal armlet 6 through locking bolt 9, locks print platform 7's horizontality. The mode can realize the balance degree of the Z axis in the three X, Y and Z axis directions, and particularly can more accurately adjust the balance degree of the Z axis.

It can be understood that the first arc-shaped groove 31 and the second arc-shaped groove 61 are butted and have a vertical cross section, i.e. the Z axis, which is roughly circular, and in order to lock the universal ball core 4 in a circular shape, the formed circular shape is an incomplete circle, i.e. a part is cut off in the middle of the complete circle to form two segments, i.e. the first arc-shaped groove 31 and the second arc-shaped groove 61, respectively.

Please refer to fig. 1 and fig. 2, further comprising a module connecting block 1 and a platform nut 2, wherein a locking groove 34 facing away from the opening of the second universal arm sleeve 6 is disposed at one end of the first universal arm sleeve 3 away from the second universal arm sleeve 6, the module connecting block 1 is provided with a protrusion 11 extending into the locking groove 34, the module connecting block 1 is provided with a screw hole 13, the first universal arm is provided with a through hole vertically communicating with the locking groove 34, and the platform nut 2 penetrates through the through hole and is connected with the screw hole 13 to fix the module connecting block 1 and the first universal arm sleeve 3. Through module connecting block 1 and platform nut 2, can conveniently connect fixedly. The module connecting block 1 is formed by a T-shaped block 12 and a convex block 11 which are integrally formed, the T-shaped block 12 can be conveniently connected with a Z-axis lifting mechanism, and the first universal arm sleeve 3 and the second universal arm sleeve 6 can be conveniently kept horizontal.

Referring to fig. 1 and 2, in particular, the bottom of the locking groove 34 is a plane, two vertical surfaces of the locking groove 34 are planes, two sides of the locking groove 34 are arc-shaped, and the protrusion 11 is matched with the locking groove 34. The two vertical surfaces are planes, so that screw holes 13 are conveniently formed. It can be understood that the protrusion 11 is adapted to the locking groove 34, the two vertical surfaces of the protrusion are flat surfaces, the end surface facing the first universal arm sleeve 3 is a flat surface, and the two sides of the protrusion are arc-shaped and protrude outwards.

Referring to fig. 1, the through hole is an oblong hole 33 opening away from the second gimbal arm sleeve 6. The adaptation distance of oblong hole 33 is long, makes things convenient for platform nut 2 and module connecting block 1's fixed.

Referring to fig. 1 and 2, the universal ball core 4 has a radially open notch 41. Through the universal ball core 4 of breach 41 and cylindrical pole 51 can elastic interference fit, can reduce the processing requirement, reduction in production cost. Simply, a small screw can be used to radially connect the universal ball core 4 and the cylindrical rod 51.

Preferably, the gaps 41 are spaced 0.2mm to 10mm apart.

Referring to fig. 1, the end surfaces of the first universal arm sleeve 3 and the second universal arm sleeve 6 which are butted are flat surfaces. The plane is convenient for drilling, and simultaneously, the first universal arm sleeve 3 is convenient to contact with the second universal arm sleeve 6.

Referring to fig. 1 and 2, a mounting groove 71 is formed on a surface of the printing platform 7 facing the connecting block 52, and the connecting block 52 is limited in the mounting groove 71 and is screwed with the printing platform 7. The stability of the connection block 52 with the printing platform 7 is improved. Typically, the connection block 52 is connected to the printing platform 7 by a plurality of connection screws 8. The cylindrical rod 51 and the connecting block 52 are generally formed integrally, and can also be fixedly connected in a welding or screwing mode, and the cylindrical rod 51 and the connecting block 52 are connected approximately in an inverted T shape.

Further, the utility model also provides an application of foretell photocuring 3D printing apparatus levelling device, this application is for the leveling of the print platform 7 that is used for 3D printing apparatus.

Generally, the materials for manufacturing the first universal arm sleeve 3, the second universal arm sleeve 6, the universal ball core 4 and the module connecting block 1 are one or more of metal, alloy and plastic, wherein aluminum alloy and copper alloy are preferred.

Particularly, the module connecting block 1 is connected with a Z-axis lifting mechanism, the Z-axis lifting mechanism can be formed by a motor and a screw rod sliding block mechanism, and the printing platform 7 is enabled to be in contact with a horizontal plane for leveling through Z-axis lifting.

To sum up, the utility model provides a pair of photocuring 3D printing apparatus levelling device, simple structure, nimble swift, stability is strong, can realize the leveling of XYZ triaxial direction, especially can more accurate mediation Z axle's the equilibrium degree, also improves the printing precision of printing the product to a certain extent, and overall structure is simple, and low cost has stronger practicality and extensive application.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides a photocuring 3D printing apparatus levelling device which characterized in that includes:

one end of the first universal arm sleeve is provided with a first arc-shaped groove;

one end of the second universal arm sleeve is provided with a second arc-shaped groove butted with the first arc-shaped groove;

the universal ball core is in an annular sleeve shape, the inner wall of the universal ball core is flat and cylindrical, the outer wall of the universal ball core is in a convex arc annular shape, and a circle of limiting groove matched with the universal ball core is arranged in the first arc-shaped groove and the second arc-shaped groove; the locking bolt penetrates through the second universal arm sleeve from one end of the second universal arm sleeve and is in threaded connection with the first universal arm sleeve to lock the universal ball core;

the connecting rod comprises a cylindrical rod sleeved in the universal ball core and a connecting block connected with the cylindrical rod, and the connecting block is used for being connected with the printing platform.

2. The photocuring 3D printing equipment leveling device of claim 1, characterized in that, still includes module connecting block and platform nut, the one end that first universal arm cover was kept away from the universal arm cover of second is equipped with dorsad the open-ended locking groove of the universal arm cover of second, the module connecting block be equipped with to the lug that extends to locking inslot, be equipped with a screw on the module connecting block, be equipped with vertical intercommunication on the first universal arm the through-hole of locking groove, the platform nut passes the through-hole with the screw is connected fixedly the module connecting block with first universal arm cover.

3. The leveling device for the photocuring 3D printing equipment according to claim 2, wherein the bottom of the locking groove is a plane, the two vertical surfaces of the locking groove are planes, the two sides of the locking groove are arc-shaped, and the protrusion is matched with the locking groove.

4. The leveling device for the photocuring 3D printing equipment as recited in claim 2, wherein the through hole is an oblong hole facing away from the opening of the second universal arm sleeve.

5. The leveling device for the photocuring 3D printing apparatus as recited in claim 1, wherein the gimbal ball core has a radially open notch.

6. The leveling device for the photocuring 3D printing equipment according to claim 5, wherein the gap is 0.2mm-10 mm.

7. The leveling device for the photocuring 3D printing equipment according to claim 1, wherein the butted end surfaces of the first universal arm sleeve and the second universal arm sleeve are flat.

8. The leveling device for the photocuring 3D printing equipment according to claim 1, wherein a mounting groove is formed in one surface, facing the connecting block, of the printing platform, and the connecting block is limited in the mounting groove and is in threaded connection with the printing platform.