CN216635400U - Driving device for 3D printer - Google Patents
Driving device for 3D printer Download PDFInfo
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- CN216635400U CN216635400U CN202122821551.2U CN202122821551U CN216635400U CN 216635400 U CN216635400 U CN 216635400U CN 202122821551 U CN202122821551 U CN 202122821551U CN 216635400 U CN216635400 U CN 216635400U
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- swing arm
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- driving
- driving motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model provides a drive arrangement for 3D printer, relates to 3D printer field. Comprises a nozzle driving unit, a material driving unit, a base and a controller; the material driving unit comprises a trapezoidal swing arm, a first driving motor and a second driving motor; the base is provided with a groove, the trapezoidal swing arm is arranged in the groove, two ends of the trapezoidal swing arm are respectively and rotatably connected with the base, the first driving motor is rotatably connected with the bottom of the trapezoidal swing arm, and the second driving motor is fixedly connected with one end of the trapezoidal swing arm; the spray head driving unit is used for controlling the position of a spray head of the D printer in the horizontal and vertical directions; the controller is electrically connected with the first driving motor, the second driving motor and the material driving unit. This drive arrangement has realized the position of accurate control shower nozzle in x, y, z axle direction, and places the revolving stage inside the recess of base, and uses trapezoidal swing arm for the rotation center is less than swing arm rotation center, has reduced the height of revolving stage, thereby has reduced drive arrangement holistic height, and also has reduced the cost.
Description
Technical Field
The utility model relates to the field of 3D printers, in particular to a driving device for a 3D printer.
Background
A 3D printing technique, which is one of rapid prototyping techniques, also called additive manufacturing, is a technique of constructing an object by using an adhesive material such as powdered metal or plastic and the like and by printing layer by layer on the basis of a digital model file. In the 3D printing driving device, a common cradle rotary table is used for bearing a printing base body and driving the printing base body to rotate, the center of a rotary shaft of the rotary table of the conventional finished product rotary table is basically higher than the center of a rotary shaft of a cradle arm or is lower than the center of the rotary shaft of the cradle arm by a little, so that the rotary radius is in the upper semicircle when the cradle arm rotates by plus or minus 90 degrees, and the position of a spray head installed in the Z-axis direction is higher than the rotary shaft of the rotary table, so that the integral mechanical structure can also be higher, and the total height of the 3D printing driving device is increased and the cost is increased.
SUMMERY OF THE UTILITY MODEL
In order to realize accurate control of the position of a nozzle of a 3d printer in the directions of x, y and z axes, and in order to reduce the overall height of a driving device, the cost is reduced. The utility model adopts the following technical scheme:
a driving device for a 3D printer comprises a spray head, a spray head driving unit, a material driving unit, a base and a controller;
the material driving unit comprises a trapezoidal swing arm, a first driving motor and a second driving motor; the swing arm is trapezoidal, and the swing arm extension, and this kind of structure has stability, high rigidity for the machining precision is high. In order to ensure that the overall structure height of the machine tool is within a proper range, a groove is formed in the base. Trapezoidal swing arm sets up in the recess, and trapezoidal swing arm's both ends are rotated with the base respectively and are connected. The first driving motor is rotatably connected with the bottom of the trapezoid swinging arm, the second driving motor is fixedly connected with one end of the trapezoid swinging arm, and the center of the rotating shaft of the rotating platform is arranged below the center of the rotating shaft of the cradle arm, so that the lower half circle is formed when the rotating shaft of the lower cradle arm rotates by plus or minus 90 degrees, and the total height and the cost of the body can be reduced.
The nozzle driving unit is used for controlling the position of a nozzle of the 3D printer in the horizontal and vertical directions.
The controller is electrically connected with the first driving motor, the second driving motor and the material driving unit. Can effectual control material drive unit mutually support with shower nozzle drive unit through the controller, improve the rate of accuracy that 3d printed.
Specifically, the nozzle driving unit comprises a first servo module, a second servo module, a third servo sliding table module and a nozzle; the first servo module is arranged on the base; the second servo module is connected with the first servo module in a sliding manner, the driving direction of the first servo module is vertical to that of the second servo module, the sliding table of the second servo module is connected with the third servo sliding table module in a sliding manner, and the driving direction of the third servo sliding table module is vertical to that of the first servo module and that of the second servo module; the spray head is connected with the third servo sliding table module in a sliding mode. Can effectual promotion shower nozzle removal precision through servo slip table module, through the position of first servo module, second servo module, the servo slip table module of third control shower nozzle in x, y, z axle direction respectively, improve the rate of accuracy of the all-round position of shower nozzle.
Specifically, be equipped with T shape support on the slider of second servo module, the one end and the slider fixed connection of T shape support, the other end and the servo slip table module fixed connection of third of T shape support, the drive direction of the servo slip table module of third is vertical downwards.
Specifically, the first driving motor is a harmonic reducer. The advantages of using the harmonic reducer are as follows: the transmission speed ratio is big, and bearing capacity is high, and the transmission precision is high, and transmission efficiency is high, and the motion is steady, simple structure, simple to operate, small light in weight, with low costs.
Specifically, the second driving motor is a harmonic reducer.
Specifically, a fixed support and a supporting seat are arranged on the base, a first bearing seat is arranged on the fixed support and is rotatably connected with one end of the trapezoidal swing arm, the supporting seat is fixedly arranged on the base, a second bearing seat is arranged on the side wall of the supporting seat and is rotatably connected with the other end of the trapezoidal swing arm, the first bearing seat and the second bearing seat are located at the same height, and a second driving motor is connected with the second bearing seat to drive the trapezoidal swing arm to rotate; the first servo module is fixedly arranged on the supporting seat.
In summary, the apparatus of the present invention has the following advantages: this drive arrangement has realized the position of accurate control shower nozzle in x, y, z axle direction, and places the revolving stage inside the recess of base, and uses trapezoidal swing arm for the rotation center is less than swing arm rotation center, has reduced the height of revolving stage, thereby has reduced drive arrangement holistic height, and also has reduced the cost.
Drawings
Fig. 1 is a schematic configuration diagram of a driving apparatus for a 3D printer;
FIG. 2 is a schematic structural diagram of a material driving unit in a driving device for a 3D printer;
reference numerals: 1 a first servo module; 2 a second servo module; 3 a third servo sliding table module; 4, a base; 5, a trapezoidal swing arm; 6, a spray head; a 7T-shaped bracket; 8, grooves; 9 a first drive motor; 10 a second drive motor; 11 a second bearing block; 12 fixing a bracket; 13 a first bearing seat; 14 supporting the seat.
Detailed Description
The present invention is further described below with reference to fig. 1 to 2.
A driving device for a 3D printer comprises a spray head 6, a spray head driving unit, a material driving unit, a base 4 and a controller;
the material driving unit comprises a trapezoidal swing arm 5, a first driving motor 9 and a second driving motor 10; the swing arm is trapezoidal, and the swing arm extension, and this kind of structure has stability, and high rigidity for the machining precision is high. In order to ensure that the overall structure height of the machine tool is within a proper range, a groove 8 is formed in the base 4. In order to arrange the material drive unit in the recess 8, a fixing bracket 12 and a support base 14 are provided on the base 4. A first bearing seat 13 is arranged on the fixed support 12, the first bearing seat 13 is rotatably connected with one end of the trapezoidal swing arm 5, a second bearing seat 11 is arranged on the side wall of the supporting seat 14, and the second bearing seat 11 is rotatably connected with the other end of the trapezoidal swing arm 5; the first bearing block 13 is located at the same level as the second bearing block 11, so that the material drive unit is located in the recess 8. In order to realize the rotation of the printing substrate and to arrange the center of the rotating shaft of the rotating platform below the center of the rotating shaft of the cradle arm, the first driving motor 9 is rotatably connected with the bottom of the trapezoidal swing arm 5, so that the lower semicircle is formed when the rotating shaft of the cradle arm rotates by plus or minus 90 degrees, and the total height and the cost of the body are reduced. Wherein the first drive motor 9 and the second drive motor 10 are both harmonic reducers. The advantages of using the harmonic reducer are as follows: the transmission speed ratio is big, and bearing capacity is high, and the transmission precision is high, and transmission efficiency is high, and the motion is steady, simple structure, simple to operate, small light in weight, with low costs.
The head driving unit is used to control the position of the heads 6 of the 3D printer in the horizontal and vertical directions. The nozzle driving unit comprises a first servo module 1, a second servo module 2 and a third servo sliding table module 3, wherein the first servo module 1 is fixedly arranged on a base 4; second servo module 2 and first servo module 1 sliding connection, the direction of drive of first servo module 1 is perpendicular in same horizontal plane with the direction of drive of second servo module 2, is equipped with T shape support 7 on the slider of second servo module 2, the one end and the slider fixed connection of T shape support 7, the other end and the 3 fixed connection of third servo slip table module of T shape support, the direction of drive of third servo slip table module 3 is vertical downwards. The spray head 6 is connected with the slide block of the third servo sliding table module 3. Can effectual promotion shower nozzle 6 remove the precision through servo slip table module, through the position of first servo module 1, servo module 2 of second, the servo slip table module 3 of third respectively control shower nozzle 6 in x, y, z axle direction, improve the rate of accuracy of 6 all-round positions of shower nozzle.
The controller is electrically connected with the first driving motor 9, the second driving motor 10, the first servo module 1, the second servo module 2 and the third servo sliding table module 3. Can effectual control material drive unit mutually support with shower nozzle drive unit through the controller, improve the rate of accuracy that 3d printed.
In summary, the apparatus of the present invention has the following advantages: this drive arrangement has realized the position of accurate control shower nozzle in x, y, z axle direction, and places the revolving stage inside the recess of base, and uses trapezoidal swing arm for the rotation center is less than swing arm rotation center, has reduced the height of revolving stage, thereby has reduced drive arrangement holistic height, and also has reduced the cost.
It should be understood that the detailed description of the utility model is merely illustrative of the utility model and is not intended to limit the utility model to the specific embodiments described. It will be appreciated by those skilled in the art that the present invention may be modified or substituted equally as well to achieve the same technical result; as long as the use requirements are met, the method is within the protection scope of the utility model.
Claims (6)
1. A driving device for a 3D printer is characterized by comprising a nozzle driving unit, a material driving unit, a base and a controller;
the material driving unit comprises a trapezoidal swing arm, a first driving motor and a second driving motor; the base is provided with a groove, the trapezoid swing arm is arranged in the groove, two ends of the trapezoid swing arm are respectively and rotatably connected with the base, the first driving motor is rotatably connected with the bottom of the trapezoid swing arm, and the second driving motor is fixedly connected with one end of the trapezoid swing arm;
the spray head driving unit is used for controlling the position of a spray head of the 3D printer in the horizontal and vertical directions;
the controller is electrically connected with the first driving motor, the second driving motor and the material driving unit.
2. The driving device for the 3D printer according to claim 1, wherein the nozzle driving unit comprises a first servo module, a second servo module, a third servo sliding table module, and a nozzle; the first servo module is arranged on the base; the second servo module is connected with the first servo module in a sliding mode, the driving direction of the first servo module is perpendicular to that of the second servo module, the sliding table of the second servo module is connected with the third servo sliding table module in a sliding mode, and the driving direction of the third servo sliding table module is perpendicular to the driving direction of the first servo module and the driving direction of the second servo module; the nozzle is connected with the third servo sliding table module in a sliding mode.
3. The driving device for the 3D printer according to claim 2, wherein a T-shaped bracket is arranged on the sliding block of the second servo module, one end of the T-shaped bracket is fixedly connected with the sliding block, and the other end of the T-shaped bracket is fixedly connected with the third servo sliding table module.
4. The drive device for a 3D printer of claim 1, wherein the first drive motor is a harmonic reducer.
5. The drive device for a 3D printer according to claim 1, wherein the second drive motor is a harmonic reducer.
6. The driving device for the 3D printer according to claim 2, wherein a fixed bracket and a supporting seat are arranged on the base, a first bearing seat is arranged on the fixed bracket, the first bearing seat is rotatably connected with one end of the trapezoidal swing arm, the supporting seat is fixedly installed on the base, a second bearing seat is arranged on a side wall of the supporting seat, the second bearing seat is rotatably connected with the other end of the trapezoidal swing arm, the first bearing seat and the second bearing seat are located at the same height, and the second driving motor is connected with the second bearing seat to drive the trapezoidal swing arm to rotate; the first servo module is fixedly arranged on the supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122821551.2U CN216635400U (en) | 2021-11-17 | 2021-11-17 | Driving device for 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122821551.2U CN216635400U (en) | 2021-11-17 | 2021-11-17 | Driving device for 3D printer |
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| Publication Number | Publication Date |
|---|---|
| CN216635400U true CN216635400U (en) | 2022-05-31 |
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| CN202122821551.2U Active CN216635400U (en) | 2021-11-17 | 2021-11-17 | Driving device for 3D printer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115415551A (en) * | 2022-09-23 | 2022-12-02 | 无锡有田五维增材科技有限公司 | High-precision 3D printer for titanium alloy for aviation and printing method thereof |
| WO2023087715A1 (en) * | 2021-11-17 | 2023-05-25 | 无锡有田五维增材科技有限公司 | Five-axis linkage 3d printer |
| GB2617654A (en) * | 2021-11-17 | 2023-10-18 | Wuxi Youtinn Wuwei Additive Tech Co Ltd | Five-axis linkage 3D printer |
-
2021
- 2021-11-17 CN CN202122821551.2U patent/CN216635400U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023087715A1 (en) * | 2021-11-17 | 2023-05-25 | 无锡有田五维增材科技有限公司 | Five-axis linkage 3d printer |
| GB2617654A (en) * | 2021-11-17 | 2023-10-18 | Wuxi Youtinn Wuwei Additive Tech Co Ltd | Five-axis linkage 3D printer |
| CN115415551A (en) * | 2022-09-23 | 2022-12-02 | 无锡有田五维增材科技有限公司 | High-precision 3D printer for titanium alloy for aviation and printing method thereof |
| CN115415551B (en) * | 2022-09-23 | 2024-04-05 | 无锡有田五维增材科技有限公司 | High-precision 3D printer for aviation titanium alloy and printing method thereof |
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