阅读说明：本技术 一种光固化3d打印机的升降结构 (Lifting structure of photocuring 3D printer ) 是由 吴震 黄一山 杨红九 吴杰华 谢安琼 杨华杰 于 2020-11-24 设计创作，主要内容包括：本发明提出一种光固化3D打印机的升降结构,包括底座、升降台、连接部、成型部,所述成型部和所述连接部固定连接,所述升降台设有传动件,所述连接部包括连接端、两个对称设置在所述连接端两侧的侧部,两个所述侧部均和所述升降台滑动连接,所述传动件和所述连接端传动连接且所述传动件旋转运动以带动所述成型部进行升降运动,此时两个所述侧部在所述升降台上进行滑动。本发明提出的光固化3D打印机的升降结构通过设置两个所述侧部均和所述升降台滑动连接,所述成型部进行升降运动时,所述侧部在所述升降台上进行滑动,可以使得所述成型部升降运动平滑,且使得成型平台在做升降运动过程中避免产生晃动、倾斜的现象,从而提高打印的精度。(The invention provides a lifting structure of a photocuring 3D printer, which comprises a base, a lifting table, a connecting part and a forming part, wherein the forming part is fixedly connected with the connecting part, the lifting table is provided with a transmission part, the connecting part comprises a connecting end and two side parts symmetrically arranged on two sides of the connecting end, the two side parts are both in sliding connection with the lifting table, the transmission part is in transmission connection with the connecting end, the transmission part rotates to drive the forming part to perform lifting movement, and at the moment, the two side parts slide on the lifting table. According to the lifting structure of the photocuring 3D printer, the two side parts are connected with the lifting platform in a sliding mode, when the forming part moves up and down, the side parts slide on the lifting platform, so that the forming part can move up and down smoothly, the forming platform is prevented from shaking and inclining in the lifting motion process, and the printing precision is improved.)

1. The utility model provides a lift structure of photocuring 3D printer, a serial communication port, including base, elevating platform, connecting portion, shaping portion with connecting portion fixed connection, the elevating platform is equipped with the driving medium, connecting portion include that link, two symmetries set up the lateral part of link both sides, two the lateral part all with elevating platform sliding connection, the driving medium with the link transmission is connected just driving medium rotary motion is in order to drive shaping portion carries out elevating movement, two this moment the lateral part is in slide on the elevating platform.

2. The lifting structure of a light-curing 3D printer according to claim 1, wherein the side part comprises a pulley, and the two side surfaces of the lifting platform are provided with sliding grooves, and the pulley can slide in the sliding grooves.

3. The elevation structure of a photocuring 3D printer of claim 2, wherein the side portion further comprises a grip for the pulley, the pulley and the grip being rotationally connected.

4. The lifting structure of a light-curing 3D printer according to claim 3, wherein the two side surfaces of the clamping portion are provided with sliding bars, the side portion further comprises a cavity for accommodating the clamping portion, the inner wall of the cavity is provided with sliding grooves, and the sliding bars can slide in the sliding grooves to adjust the distance between the pulleys and the sliding grooves.

5. The lifting structure of the photocuring 3D printer of claim 4, wherein the side part further comprises a protruding part, and the protruding part is provided with an adjusting hole which penetrates through the inside of the protruding part and is communicated with the cavity.

6. The lifting structure of the photocuring 3D printer of claim 5, wherein the side portion further comprises an adjusting column and a screwing portion fixed at the end of the adjusting column, and the adjusting column penetrates through the adjusting hole and is fixedly connected with the clamping portion.

7. The lifting structure of the photocuring 3D printer of claim 6, wherein the clamping portion is further provided with a fixing hole, the adjusting column is inserted into the fixing hole and fixed in the fixing hole, the inner wall of the fixing hole is provided with a convex block in an equidistant manner, the adjusting column is sleeved with an elastic element, and two ends of the elastic element are respectively abutted against the convex block and the screwing portion.

8. The lifting structure of a light-cured 3D printer according to claim 7, wherein rotating the screw can slide the sliding bar in the sliding groove to adjust the distance between the pulley and the sliding groove, and the elastic element deforms.

9. The lifting structure of a photocuring 3D printer according to claim 1, wherein the transmission member is a screw rod, and the transmission member and the connecting end are in transmission connection in a threaded manner.

10. The lifting structure of a light-cured 3D printer according to claim 1, wherein the base further comprises a driving part for driving the driving member to rotate and a trough for storing liquid photosensitive resin, and the forming part is arranged above the trough.

Technical Field

The invention relates to the field of 3D printing equipment, in particular to a lifting structure of a photocuring 3D printer.

Background

The photocuring 3D printing technology is the oldest 3D printing technology in history, and is favored by the 3D printing industry due to the advantages of high printing precision, good surface smoothness and the like. In recent years, with the progress of material science, various functional liquid photosensitive resin materials with different functions are developed, the printing precision and speed of the materials are greatly improved, and therefore, the photocuring 3D printing technology is receiving more and more attention.

Chinese patent ZL2017114595552 discloses a lifting structure of photocuring 3D printer, including base, the silo of storing liquid photosensitive resin, forming platform and elevating system, wherein, silo, elevating system set up respectively on the base, forming platform with elevating system connects, forming platform hangs in directly over the silo, it drives through elevating system forming platform is elevating movement, forming platform with only the transmission is connected between the elevating system, can't guarantee forming platform's levelness, forming platform is elevating movement and can have the phenomenon of rocking, slope, is unfavorable for improving the precision of printing.

Disclosure of Invention

In order to solve the problems, the invention provides a lifting structure of a photocuring 3D printer, which can prevent a forming platform from shaking and inclining in the lifting movement process, so that the printing precision is improved.

The invention is realized by the following technical scheme:

the invention provides a lifting structure of a photocuring 3D printer, which comprises a base, a lifting table, a connecting part and a forming part, wherein the forming part is fixedly connected with the connecting part, the lifting table is provided with a transmission part, the connecting part comprises a connecting end and two side parts symmetrically arranged on two sides of the connecting end, the two side parts are both in sliding connection with the lifting table, the transmission part is in transmission connection with the connecting end, the transmission part rotates to drive the forming part to perform lifting movement, and at the moment, the two side parts slide on the lifting table.

Further, the lateral part includes the pulley, the both sides surface of elevating platform all is equipped with the spout, the pulley can slide in the spout.

Further, the side portion further comprises a clamping portion for the pulley, and the pulley and the clamping portion are rotatably connected.

Further, the both sides face of clamping part all is equipped with the sliding strip, the lateral part still including being used for holding the cavity of clamping part, the inner wall of cavity is provided with the sliding tray relatively, thereby the sliding strip can slide in the sliding tray and adjust the pulley with distance between the spout.

Furthermore, the side part also comprises a protruding part, and the protruding part is provided with an adjusting hole which penetrates through the inside of the protruding part and is communicated with the cavity.

Furthermore, the lateral part still includes the regulation post and fixes adjust the portion of twisting of post tip, adjust the post and run through adjust the hole and with clamping part fixed connection.

Further, the clamping part still is equipped with the fixed orifices, adjust the post and insert the fixed orifices is fixed in the fixed orifices, the protruding lug that is equipped with of equidistance on the inner wall of fixed orifices, adjust the elastic element that has cup jointed on the post, just elastic element's both ends respectively the butt in the lug twist the portion.

Further, rotating the screw portion may cause the slide bar to slide in the slide groove to adjust a distance between the pulley and the slide groove, at which time the elastic member is deformed.

Further, the transmission part is a screw rod, and the transmission part and the connecting end are in transmission connection in a threaded connection mode.

Further, still be equipped with the drive part of drive the driving medium is rotatory, store the silo of liquid photosensitive resin in the base, the shaping portion sets up the top of silo.

The invention has the beneficial effects that:

the invention provides a lifting structure of a photocuring 3D printer, which comprises a base, a lifting table, a connecting part and a forming part, wherein the forming part is fixedly connected with the connecting part, the lifting table is provided with a transmission part, the connecting part comprises a connecting end and two side parts symmetrically arranged on two sides of the connecting end, the two side parts are both in sliding connection with the lifting table, the transmission part is in transmission connection with the connecting end, the transmission part rotates to drive the forming part to perform lifting movement, and at the moment, the two side parts slide on the lifting table. According to the lifting structure of the photocuring 3D printer, the two side parts are connected with the lifting platform in a sliding mode, when the forming part moves up and down, the side parts slide on the lifting platform, so that the forming part can move up and down smoothly, the forming platform is prevented from shaking and inclining in the lifting motion process, and the printing precision is improved.

Drawings

Fig. 1 is a perspective view of a lifting structure of a photocuring 3D printer according to the present invention;

fig. 2 is a schematic partial structural view of a lifting structure of the photocuring 3D printer according to the present invention;

fig. 3 is a schematic partial exploded view of a lifting structure of a photocuring 3D printer according to the present invention;

fig. 4 is a partially exploded view of the lifting structure of the photocuring 3D printer according to the present invention.

Detailed Description

In order to more clearly and completely explain the technical scheme of the invention, the invention is further explained with reference to the attached drawings.

Referring to fig. 1 to 4, the present invention provides a lifting structure of a photocuring 3D printer, including a base 1, a lifting table 2, a connecting portion 3, and a forming portion 5, wherein the forming portion 5 is fixedly connected to the connecting portion 3, the lifting table 2 is provided with a transmission member 20, the connecting portion 3 includes a connecting end 30 and two side portions 31 symmetrically disposed at two sides of the connecting end 30, both the side portions 31 are slidably connected to the lifting table 2, the transmission member 20 is in transmission connection with the connecting end 30, and the transmission member 20 rotates to drive the forming portion 5 to perform a lifting motion, at this time, the two side portions 31 slide on the lifting table 2.

In this embodiment, two side portions 31 are slidably connected to the lifting platform 2, so that when the transmission member 20 is in transmission connection with the connecting end 30 and the transmission member 20 rotates to drive the forming portion 5 to move up and down, the two side portions 31 slide up and down on the lifting platform 2. Specifically, the forming part 5 and the side part 31 move in the same direction.

In the embodiment, the two side parts 31 are arranged and slidably connected with the lifting table 2, when the forming part 5 moves up and down, the side parts 31 slide on the lifting table 2, so that the lifting movement of the forming part 5 is smooth, and the side parts 31 can also play a role in limiting, so that the forming platform is prevented from shaking and inclining in the lifting movement process, and the printing precision is improved.

Further, the side portion 31 includes a pulley 32, and both side surfaces of the lifting table 2 are provided with sliding grooves 21, and the pulley 32 can slide in the sliding grooves 21.

In the present embodiment, the sliding connection between the side portion 31 and the lifting table 2 is achieved by providing the pulley 32 to be slidable in the chute 21.

Further, the side part 31 further comprises a clamping part 33 for the pulley 32, and the pulley 32 and the clamping part 33 are rotationally connected, i.e. the pulley 32 can rotate relative to the clamping part 33.

Further, both sides of the clamping portion 33 are provided with sliding bars 37, the side portion 31 further includes a cavity 34 for accommodating the clamping portion 33, the inner wall of the cavity 34 is provided with sliding grooves 35, and the sliding bars 37 can slide in the sliding grooves 35 to adjust the distance between the pulley 32 and the sliding groove 21.

In the present embodiment, the sliding strip 37 is provided to be slidable in the sliding groove 35 for adjusting the distance between the pulley 32 and the sliding groove 21, so that the pulley 32 is assembled in the sliding groove 21, and after the assembly is completed, the pulley 32 abuts against the bottom wall of the sliding groove 21. And the cooperation of the sliding strip 37 and the sliding groove 35 can also limit the pulley 32 to slide up and down relative to the clamping part 33, so as to avoid influencing the sliding effect of the pulley 32 in the sliding groove 21.

Furthermore, the side portion 31 further includes a protruding portion 36, and the protruding portion 36 is provided with an adjusting hole 41 penetrating through the inside thereof and communicating with the cavity 34.

Further, the side portion 31 further includes an adjusting post 40 and a screwing portion 42 fixed at an end of the adjusting post 40, and the adjusting post 40 penetrates through the adjusting hole 41 and is fixedly connected with the clamping portion 33.

In the present embodiment, the adjustment hole 41 is a threaded hole, and the adjustment post 40 is a threaded post.

Further, clamping part 33 still is equipped with fixed orifices 38, adjust post 40 and insert fixed orifices 38 and fix in fixed orifices 38, protruding lug 39 that is equipped with of equidistance ground on the inner wall of fixed orifices 38, adjust and cup joint elastic element 43 on the post 40, just elastic element 43's both ends respectively the butt in lug 39, revolve the portion 42 of twisting.

In the present embodiment, the adjustment post 40 is inserted into the fixing hole 38 and fixed in the fixing hole 38 such that the adjustment post 40 and the clamping portion 33 abut. When the screwing part 42 is screwed, the feeding amount of the adjusting column 40 can be adjusted, so that the sliding strip 37 of the clamping part 33 is driven to slide in the sliding groove 35, and the distance between the pulley 32 and the sliding groove 21 is adjusted.

Further, rotating the screw portion 42 may cause the slide bar 37 to slide in the slide groove 35 to adjust the distance between the pulley 32 and the slide groove 21, and the elastic member 43 is deformed.

In this embodiment, the elastic element 43 is a spring, the elastic element 43 is sleeved on the adjusting post 40, the pulley 32 is always just abutted against the bottom wall of the sliding slot 21 by the elastic force of the elastic element 43, when the screwing part 42 is rotated to enable the sliding strip 37 to slide in the sliding slot 35 so as to adjust the distance between the pulley 32 and the sliding slot 21, the elastic element 43 is deformed, and the elastic element 43 is always in a compressed state.

In the present embodiment, the elastic element 43 also enables the pulley 32 to have a vibration damping effect when sliding in the chute 21, thereby further improving the smooth sliding effect of the pulley 32.

Further, the transmission member 20 is a screw rod, and the transmission member 20 and the connection end 30 are in transmission connection in a threaded connection manner.

Further, the base 1 is also provided with a driving part 6 for driving the transmission part 20 to rotate and a trough 7 for storing liquid photosensitive resin, and the forming part 5 is arranged above the trough 7.

In the present embodiment, the driving unit 6 is a motor that can rotate in the forward and reverse directions so that the transmission member 20 can rotate in the forward and reverse directions, and the forming unit 5 moves upward when the transmission member 20 rotates in the forward direction and the forming unit 5 moves downward when the transmission member 20 rotates in the reverse direction.

Of course, the present invention may have other embodiments, and based on the embodiments, those skilled in the art can obtain other embodiments without any creative effort, and all of them are within the protection scope of the present invention.