阅读说明：本技术 一种3d打印机树脂槽的升降装置 (Lifting device for 3D printer resin tank ) 是由 江泽星 于 2020-06-19 设计创作，主要内容包括：本发明涉及3D打印技术领域,公开了一种3D打印机树脂槽的升降装置,包括用于放置树脂槽的升降平台、用于带动升降平台做上下升降运动的升降机构、以及用于供升降平台做上下升降运动的导向结构；导向结构包括多根沿竖直方向布置的导向杆,升降平台上具有多个供导向杆嵌入的导向杆孔,多根导向杆分别嵌入多个导向杆孔中,以使升降平台在升降机构的带动下,沿着导向杆做上下升降运动。本申请提供的一种3D打印机树脂槽的升降装置,通过设置升降机构带动升降平台做上下升降运动,使得固定放置在升降平台上方的树脂槽能够跟随升降平台做上下升降运动,从而实现了对树脂槽内的树脂液液位高度的调节,该调节方式简单,易于调节。(The invention relates to the technical field of 3D printing, and discloses a lifting device of a resin tank of a 3D printer, which comprises a lifting platform for placing the resin tank, a lifting mechanism for driving the lifting platform to do up-and-down lifting motion, and a guide structure for enabling the lifting platform to do up-and-down lifting motion; the guide structure comprises a plurality of guide rods arranged in the vertical direction, a plurality of guide rod holes for embedding the guide rods are formed in the lifting platform, and the guide rods are respectively embedded into the guide rod holes, so that the lifting platform is driven by the lifting mechanism to move up and down along the guide rods. The application provides a pair of elevating gear of 3D printer resin storage tank drives lift platform through setting up elevating system and is the oscilaltion motion for the fixed resin storage tank of placing in lift platform top can follow lift platform and be the oscilaltion motion, thereby has realized the regulation to the resin liquid level height in the resin storage tank, and this regulative mode is simple, easily adjusts.)

1. A lifting device of a resin tank of a 3D printer is characterized by comprising a lifting platform for placing the resin tank, a lifting mechanism for driving the lifting platform to do up-and-down lifting motion, and a guide structure for enabling the lifting platform to do up-and-down lifting motion; the guide structure comprises a plurality of guide rods arranged in the vertical direction, a plurality of guide rod holes for embedding the guide rods are formed in the lifting platform, and the guide rods are respectively embedded into the guide rod holes, so that the lifting platform is driven by the lifting mechanism to move up and down along the guide rods.

2. The lifting device for the resin tank of the 3D printer according to claim 1, wherein the lifting mechanism comprises a screw rod arranged along a vertical direction and a motor for driving the screw rod to rotate; the screw rod is in threaded connection with the lifting platform, the motor rotates to drive the screw rod to rotate, and the screw rod rotates to drive the lifting platform to move up and down along the guide rod.

3. The lifting device of a 3D printer resin tank as claimed in claim 2, wherein the lifting mechanism further comprises a worm wheel and a worm; a power output shaft of the motor is fixedly connected with one end of the worm, the worm is meshed with the worm wheel, the worm wheel is provided with an embedding hole for embedding the screw rod, and one end of the screw rod is embedded and fixed in the embedding hole; the rotation of motor drives the worm rotates, the worm rotates and drives the worm wheel to rotate, the worm wheel rotates and drives the lead screw to rotate.

4. The lifting device for the resin tank of the 3D printer according to claim 2, wherein the lifting platform comprises a platform body and a sliding sleeve; the resin groove is fixedly arranged on the platform body, and the sliding sleeve is sleeved on the screw rod and is in threaded connection with the screw rod; the platform body is provided with a sliding sleeve hole for embedding the sliding sleeve, and the sliding sleeve is embedded and fixed in the sliding sleeve hole.

5. The lifting device for the resin tank of the 3D printer according to claim 2, wherein the lifting platform has a threaded hole for the screw rod to be inserted into and for being screwed with.

6. The lifting device for the resin tank of the 3D printer according to claim 2, further comprising a lower base and an upper base; one ends of the guide rods are fixed on the lower base, and the other ends of the guide rods are fixed on the upper base.

7. The lifting device for the resin tank of the 3D printer according to claim 6, wherein a motor fixing seat is arranged on the upper base, and the motor is fixed on the motor fixing seat.

8. The lifting device for the resin tank of the 3D printer according to claim 6, wherein the lower base is provided with a screw rod connecting seat rotatably connected with the screw rod, and the bottom of the screw rod is rotatably embedded in the connecting seat.

9. The lifting device of a 3D printer resin tank as claimed in any one of claims 1-8, further comprising a liquid level sensor; the liquid level sensor is electrically connected with the motor and used for monitoring the liquid level change in the resin tank and sending an electric signal for controlling the motor to be turned on or turned off to the motor according to the liquid level change.

10. The lifting device of a 3D printer resin tank as claimed in claim 9, wherein the liquid level sensor is model number LLG210D3L 24.

Technical Field

The invention relates to the technical field of 3D printing, in particular to a lifting device for a resin tank of a 3D printer.

Background

The technology for 3D printing using photosensitive resin, which is a high-precision additive manufacturing technology, is rapidly developing. The conventional 3D printer is provided with a resin tank, liquid photosensitive resin is arranged in the resin tank, and the 3D printing platform is soaked in the photosensitive resin for printing. The resin tank of the traditional 3D printer is fixed, namely fixed on a substrate below a printing platform. Therefore, in the printing process, the resin tank cannot move up and down, and when the liquid level of the resin liquid in the resin tank is reduced due to consumption in the printing process, the resin liquid needs to be continuously added into the resin tank to ensure normal printing and printing efficiency so as to keep the liquid level of the resin liquid in the resin tank at the liquid level suitable for printing the workpiece. In the prior art, adding resin liquid into the resin tank is usually manually completed by a person, which greatly affects the efficiency of 3D printing, and after printing is completed, the resin liquid in the resin tank also has residues, thereby causing waste of printing materials.

Disclosure of Invention

The invention aims to provide a lifting device of a resin tank of a 3D printer, and aims to solve the problem that in the prior art, in the 3D printing process, the resin tank cannot move up and down, so that the liquid level of resin liquid in the resin tank is inconvenient to adjust.

The lifting device for the resin tank of the 3D printer comprises a lifting platform for placing the resin tank, a lifting mechanism for driving the lifting platform to do up-and-down lifting motion, and a guide structure for enabling the lifting platform to do up-and-down lifting motion; the guide structure comprises a plurality of guide rods arranged in the vertical direction, a plurality of guide rod holes for embedding the guide rods are formed in the lifting platform, and the guide rods are respectively embedded into the guide rod holes, so that the lifting platform is driven by the lifting mechanism to move up and down along the guide rods.

Further, the lifting mechanism comprises a screw rod arranged along the vertical direction and a motor used for driving the screw rod to rotate; the screw rod is in threaded connection with the lifting platform, the motor rotates to drive the screw rod to rotate, and the screw rod rotates to drive the lifting platform to move up and down along the guide rod.

Further, the lifting mechanism further comprises a worm wheel and a worm; a power output shaft of the motor is fixedly connected with one end of the worm, the worm is meshed with the worm wheel, the worm wheel is provided with an embedding hole for embedding the screw rod, and one end of the screw rod is embedded and fixed in the embedding hole; the rotation of motor drives the worm rotates, the worm rotates and drives the worm wheel to rotate, the worm wheel rotates and drives the lead screw to rotate.

Further, the lifting platform comprises a platform body and a sliding sleeve; the resin groove is fixedly arranged on the platform body, and the sliding sleeve is sleeved on the screw rod and is in threaded connection with the screw rod; the platform body is provided with a sliding sleeve hole for embedding the sliding sleeve, and the sliding sleeve is embedded and fixed in the sliding sleeve hole.

Further, the lifting platform is provided with a threaded hole for the screw rod to be embedded in and used for being in threaded connection with the screw rod.

Further, the device also comprises a lower base and an upper base; one ends of the guide rods are fixed on the lower base, and the other ends of the guide rods are fixed on the upper base.

Further, a motor fixing seat is arranged on the upper base, and the motor is fixed on the motor fixing seat.

Furthermore, a screw rod connecting seat rotatably connected with the screw rod is arranged on the lower base, and the bottom of the screw rod is rotatably embedded into the connecting seat.

Further, the device also comprises a liquid level sensor; the liquid level sensor is electrically connected with the motor and used for monitoring the liquid level change in the resin tank and sending an electric signal for controlling the motor to be turned on or turned off to the motor according to the liquid level change.

Further, the model of the liquid level sensor is LLG210D3L 24.

Compared with the prior art, the invention mainly has the following beneficial effects:

above-mentioned a lifting device of 3D printer resin tank who provides drives lift platform through setting up elevating system and is the oscilaltion motion for the fixed resin tank of placing in lift platform top can follow lift platform and be the oscilaltion motion, thereby has realized the regulation to the resin liquid level height in the resin tank, and this regulative mode is simple, easily adjusts, and at the in-process of adjusting, can not influence the efficiency that D printed in addition. Meanwhile, the resin liquid in the resin tank can be utilized to the maximum extent, so that printing materials are saved, and the production cost is greatly saved.

Drawings

FIG. 1 is a schematic structural diagram of a lifting device of a resin tank of a 3D printer according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a lifting device of a resin tank of a 3D printer according to another view angle provided by an embodiment of the invention;

fig. 3 is a schematic structural diagram of a lifting device of a resin tank of a 3D printer in a use state according to an embodiment of the present invention.

Reference numerals: 1-lifting platform, 2-lifting mechanism, 3-guide rod, 4-lower base, 5-upper base, 6-resin tank, 7-liquid level sensor, 11-fixing plate, 21-motor and 22-screw rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

Fig. 1 shows a schematic structural diagram of a lifting device of a resin tank of a 3D printer according to an embodiment of the present invention, and a detailed description is given to an embodiment of the present invention with reference to fig. 2 and 3.

The invention provides a lifting device of a resin tank of a 3D printer, which comprises a lifting platform 1 for placing a resin tank 6, a lifting mechanism 2 for driving the lifting platform 1 to do up-and-down lifting motion, and a guide structure for enabling the lifting platform 1 to do up-and-down lifting motion; guide structure includes many guide bars 3 of arranging along vertical direction, has a plurality of guide bar holes that supply 3 embedding of guide bar on the lift platform 1, and many guide bars 3 imbed respectively in a plurality of guide bar holes to make lift platform 1 be oscilaltion along guide bar 3 under the drive of elevating system 2.

Above-mentioned elevating gear who provides a 3D printer resin tank drives lift platform 1 through setting up elevating system 2 and is the oscilaltion motion for fixed resin tank 6 of placing in lift platform 1 top can follow lift platform 1 and be the oscilaltion motion, thereby realized the regulation to the resin liquid level height in resin tank 6, this regulative mode is simple, easily adjusts, and at the in-process of adjusting, can not influence the efficiency that 3D printed in addition yet. Meanwhile, the resin liquid in the resin tank 6 can be utilized to the maximum extent, so that printing materials are saved, and the production cost is greatly saved.

Wherein, guide structure can carry on spacingly to lift platform 1 in the position of horizontal direction, is convenient for improve lift platform 1 in the stability of oscilaltion motion in-process.

As an embodiment of the present invention, the lifting mechanism 2 includes a screw 22 arranged in a vertical direction and a motor 21 for driving the screw 22 to rotate; the screw rod 22 is in threaded connection with the lifting platform 1, the rotation of the motor 21 drives the screw rod 22 to rotate, and the rotation of the screw rod 22 drives the lifting platform 1 to move up and down along the guide rod 3. Wherein, lift platform 1 level is placed, and guide bar 3 arranges along vertical direction simultaneously with lead screw 22 for motor 21 drives lead screw 22 pivoted in-process, and lift platform 1 can be along guide bar 3 and lead screw 22 and do the oscilaltion motion.

Specifically, the lifting mechanism 2 further includes a worm wheel and a worm; a power output shaft of the motor 21 is fixedly connected with one end of a worm, the worm is meshed with a worm wheel, the worm wheel is provided with an embedding hole for embedding the screw rod 22, and one end of the screw rod 22 is embedded and fixed in the embedding hole; the rotation of the motor 21 drives the worm to rotate, the worm rotates the worm wheel, and the worm wheel rotates the lead screw 22. The power output shaft of the motor 21 and the worm extend along the horizontal direction, the end of the power output shaft of the motor 21 is fixedly connected with one end of the worm, the worm wheel is meshed with the worm and is arranged along the horizontal direction, an embedding hole formed in the worm extends along the vertical direction, and the screw rod 22 is embedded and fixed in the embedding hole of the worm wheel, so that the screw rod 22 can be driven to rotate together in the rotating process of the worm wheel.

In some embodiments, the lifting platform 1 comprises a platform body and a sliding sleeve; the resin tank 6 is fixedly arranged on the platform body, and the sliding sleeve is sleeved on the screw rod 22 and is in threaded connection with the screw rod 22; a sliding sleeve hole for embedding the sliding sleeve is formed in the platform body, and the sliding sleeve is embedded and fixed in the sliding sleeve hole. The rotation of lead screw 22 can drive the sliding sleeve along the direction up-and-down motion that lead screw 22 extends to the platform body that drives and sliding sleeve fixed connection is together along vertical direction upward or downstream. Wherein, set up the sliding sleeve between platform body and lead screw 22 for lift platform 1 can be more stable in the motion process.

In other embodiments, the lifting platform 1 has a threaded hole for the insertion of the screw 22 and for the threaded connection with the screw 22. The lead screw 22 of embedding screw hole is at the pivoted in-process, can make lift platform 1 along the direction that lead screw 22 extends, and the oscilaltion motion is done to lead screw 22, and lead screw 22 inserts also makes lift platform 1 have better stability in the screw hole.

Referring to fig. 1, the lifting device further includes a lower base 4 and an upper base 5; one end of each of the guide rods 3 is fixed to the lower base 4, and the other end of each of the guide rods 3 is fixed to the upper base 5. Under the drive of elevating system 2, lift platform 1 can be along being located down guide bar 3 between base 4 and the upper base 5, and the oscilaltion motion is done to lower base 4 and upper base 5 play the effect of fixed guide bar 3.

The lifting platform 1 is also provided with a fixing plate 11 for fixing the resin tank 6, and the fixing plate 11 is detachably fixed with the resin tank 6. When the resin tank 6 needs to be replaced, the resin tank 6 to be replaced is detached from the fixing plate 11, and the resin tank 6 to be installed is installed on the fixing plate 11.

Preferably, the upper base 5 is provided with a motor 21 fixing seat, and the motor 21 is fixed on the motor 21 fixing seat. Preferably, the upper base 5 is provided with a through hole for the screw rod 22 to be inserted into, the upper part of the screw rod 22 is rotatably inserted into the through hole and extends out, and the extending part of the screw rod 22 is connected with the motor 21. Preferably, the lower base 4 is provided with a screw rod 22 connecting seat rotatably connected with the screw rod 22, and the bottom of the screw rod 22 is rotatably embedded in the connecting seat. In the process that the motor 21 drives the screw rod 22 to rotate, the screw rod 22 cannot move in the vertical direction, so that the lifting platform 1 in threaded connection with the screw rod 22 can do up-and-down lifting motion relative to the screw rod 22.

As an embodiment of the invention, the lifting device further comprises a level sensor 7; the liquid level sensor 7 is electrically connected with the motor 21, and the liquid level sensor 7 is used for monitoring the liquid level change in the resin tank 6 and sending an electric signal for controlling the motor 21 to be turned on or off to the motor 21 according to the liquid level change. When the liquid level sensor 7 monitors that the liquid level of the resin liquid in the resin tank 6 is lower than a preset value, the liquid level sensor 7 sends an electric signal to the motor 21, and the electric signal is used for controlling the motor 21 to start; when the liquid level sensor 7 monitors that the liquid level of the resin in the resin tank 6 reaches a preset value, the liquid level sensor 7 stops sending an electric signal, and the motor 21 stops rotating. Through adopting above-mentioned level sensor 7, realized automation and accurate control to resin tank 6 to the efficiency of 3D printing has further been improved.

Optionally, the liquid level sensor 7 is of the type LLG210D3L24, but of course, other types of liquid level sensors are also possible, and the invention is not limited thereto.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.