CN215473101U - Formula of sinking DLP type 3D printer - Google Patents
Formula of sinking DLP type 3D printer Download PDFInfo
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- CN215473101U CN215473101U CN202121537071.7U CN202121537071U CN215473101U CN 215473101 U CN215473101 U CN 215473101U CN 202121537071 U CN202121537071 U CN 202121537071U CN 215473101 U CN215473101 U CN 215473101U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 230000033001 locomotion Effects 0.000 claims description 16
- 238000007639 printing Methods 0.000 claims description 8
- 238000010146 3D printing Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 230000008859 change Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005286 illumination Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005495 investment casting Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
A sinking type DLP type 3D printer comprises a transmission mechanism, a sinking mechanism and a 3D printer main body. The transmission mechanism comprises projection equipment, a mounting seat, a first transmission shaft, a transverse motor, a first bracket, a second transmission shaft, a second bracket, a longitudinal motor, a first flange seat, a lead screw, a second flange seat and a third motor; the sinking mechanism comprises a bearing beam, a bearing block, a third bracket and a sinking plate; the 3D printer main body comprises a resin tank, a display screen, an emergency stop button, a start button, a control lever and a rack; the utility model utilizes the projection equipment to move on the plane in front, back, left and right directions, solves the problem that the projection size of the common 3D printer is limited by the projection equipment to be small, realizes the increase of the forming breadth, has lower cost, small instrument volume and simple operation, and realizes the breakthrough of 3D printing in the research of the sinking type large breadth forming field.
Description
Technical Field
The utility model belongs to the technical field of 3D printers, and particularly relates to a sunken DLP type 3D printer.
Background
The DLP is commonly referred to as "Digital Light processing". The basic principle of the DLP3D printing technology is that a digital light source projects layer by layer on the surface of liquid photosensitive resin in a surface light mode, and the layer is cured and molded layer by layer. Compared with other 3D printing technologies, the method has the advantages of high precision, smooth surface, high manufacturing speed, more usable materials and the like, and is widely applied to the fields of precision casting, biomedical treatment and the like.
The DLP imaging system is fixedly arranged above the liquid tank, an imaging surface of the DLP imaging system is just positioned above the liquid tank, and thin-layer resin with certain thickness and shape can be cured each time through energy and graphic control. And a sinking mechanism is arranged above the liquid tank, and the sinking mechanism descends downwards for a certain height after the exposure of the section is completed every time, so that the currently cured solid resin is bonded on the sinking plate or the resin layer formed at the last time, and thus, a three-dimensional entity is generated by layer-by-layer exposure.
Because the projection size of the projector is not large, and the position of the projector is fixed, the area after projection is small, so that the desktop DLP3D printer can only complete the forming work of a model with a smaller size, and the desktop DLP3D printer can be stranded when facing the forming work of a model with a larger size. In the research in the field of large-format forming, a mode of using a plurality of projectors for cooperating with each other to expand the forming format has been proposed, but the cost is high, the volume of the apparatus is large, and the cooperation process is prone to errors.
In order to solve the above problems, the present invention provides a sunken DLP type 3D printer. The method that the projection equipment moves on the plane is utilized to increase the forming breadth, the cost is low, the instrument volume is small, a plurality of projectors are not needed to work cooperatively, and the work complexity is reduced.
Disclosure of Invention
The utility model aims to provide a sunken DLP type 3D printer to solve the problems of small forming breadth, high cost and complicated coordination process in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a sinking type DLP type 3D printer comprises a transmission mechanism, a sinking mechanism and a 3D printer main body.
The projection device is characterized in that the transmission mechanism comprises projection equipment, a mounting seat, a first transmission shaft, a transverse motor, a first support, a second transmission shaft, a second support, a longitudinal motor, a first flange seat, a lead screw, a second flange seat and a third motor. The projection equipment is arranged on the mounting seat, and the light source surface faces the bottom of the resin tank; the mounting base is mounted on the first transmission shaft and is responsible for driving the projection equipment to move left and right; the first transmission shaft is arranged on the first bracket; the transverse motor is arranged on the first bracket or the rack and is used for controlling the left and right movement of the mounting seat; the first bracket is arranged on the second transmission shaft and is mainly used for realizing the back-and-forth movement of the projection equipment, and the number of the first bracket is 2; the second transmission shafts are arranged on the second bracket, and the number of the second transmission shafts is 2; the second supports are arranged on the rack, and the number of the second supports is 4; the longitudinal motor is arranged on the second bracket or the rack; the first flange seat and the second flange seat are fixedly arranged on the rack; and the central holes of the two are aligned up and down; the screw rod is arranged in the central holes of the first flange seat and the second flange seat; the third motor is installed at the bottom end of the lead screw.
The sinking mechanism is characterized by comprising a bearing beam, a bearing block, a third bracket and a sinking plate. The bearing blocks are arranged on the screw rod, the number of the bearing blocks is 2, and holes in the side surfaces of the two bearing blocks are aligned with each other; the bearing beam is fixedly arranged on the bearing block; the third support is arranged on the bearing beam; the sinking plate is fixedly arranged on the third bracket, and the working surface of the sinking plate is always parallel to the bottom surface of the resin tank; when the third motor controls the screw rod to rotate, the bearing beam arranged on the bearing block can be driven to move up and down, and then the sinking plate arranged on the third support can move up and down.
The three-dimensional (3D) printer is characterized in that the 3D printer main body comprises a resin tank, a display screen, an emergency stop button, a start button, a control lever and a rack. The resin tank, the display screen, the emergency stop button, the start button and the operating lever are all arranged on the rack; the display screen can be used for displaying the change of illumination or the change of temperature in the printing process, and can also display the illumination and the temperature simultaneously, and the function of the display screen is determined according to equipment required to be installed by a user.
Compared with the existing common sinking type DLP type 3D printer, the utility model has the beneficial effects that: the method for increasing the forming breadth by using the projection equipment to move on the plane solves the problem that a common 3D printer is limited by the small projection size of the projection equipment, has the advantages of low cost, small instrument volume, simple operation and rapid movement, and realizes breakthrough in the research of the 3D printing in the field of sinking type large-breadth forming.
Drawings
FIG. 1 is a schematic overall view of the present invention;
FIG. 2 is a front isometric view of an internal structure of the present invention;
FIG. 3 is a front isometric view of an internal structure of the present invention;
FIG. 4 is a schematic view of the present invention;
in the figure: 1. a projection device; 2. a mounting seat; 3. a first transmission shaft; 4. a transverse motor; 5. a first bracket; 6. a second transmission shaft; 7. a second bracket; 8. a longitudinal motor; 9. a first flange seat; 10. a lead screw; 11. a second flange seat; 12. a third motor; 13. a spandrel girder; 14. a bearing block; 15. a third bracket; 16. sinking the plate; 17. a resin tank; 18. a display screen; 19. an emergency stop button; 20. a start button; 21. a joystick; 22. a frame;
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings.
The projection device is characterized in that the transmission mechanism comprises a projection device 1, a mounting base 2, a first transmission shaft 3, a transverse motor 4, a first support 5, a second transmission shaft 6, a second support 7, a longitudinal motor 8, a first flange base 9, a lead screw 10, a second flange base 11 and a third motor 12. The projection device 1 is arranged on the mounting base 2, and the light source surface faces the bottom of the resin groove 17; the mounting base 2 is mounted on the first transmission shaft 3 and is responsible for driving the projection equipment 1 to move left and right; the first transmission shaft 3 is arranged on the first bracket 5; the transverse motor 4 is arranged on the first bracket 5 or the rack 22 and is used for controlling the left and right movement of the mounting seat 2; the first bracket 5 is arranged on the second transmission shaft 6 and is mainly used for realizing the back-and-forth movement of the projection equipment 1, and the number of the first bracket 5 is 2; the second transmission shafts 6 are arranged on the second bracket 7, and the number of the second transmission shafts is 2; the second brackets 7 are arranged on the rack 22, and the number of the brackets is 4; the longitudinal motor 8 is arranged on the second bracket 7 or the rack 22; the first flange seat 9 and the second flange seat 11 are both fixedly arranged on the frame 22; and the central holes of the two are aligned up and down; the screw rod 10 is arranged in central holes of the first flange seat 9 and the second flange seat 11; the third motor 12 is arranged at the bottom end of the lead screw 10; the mounting base 2, the first transmission shaft 3, the transverse motor 4, the first support 5, the second transmission shaft 6, the second support 7 and the longitudinal motor 8 form a plane movement mechanism, so that the projection device 1 can move on a plane.
The sinking mechanism is characterized by comprising a bearing beam 13, a bearing block 14, a third bracket 15 and a sinking plate 16. The bearing blocks 14 are arranged on the screw rod 10, the number of the bearing blocks is 2, and holes in the side surfaces of the two bearing blocks 14 are kept aligned in the center; the bearing beam 13 is fixedly arranged on the bearing block 14; the third bracket 15 is arranged on the bearing beam 13; the sinking plate 16 is fixedly arranged on the third bracket 15, and the working surface of the sinking plate 16 is always parallel to the bottom surface of the resin groove 17; when the third motor 12 controls the screw rod 10 to rotate, the bearing beam 13 mounted on the bearing block 14 is driven to move up and down, and the sinking plate 16 mounted on the third support 15 is driven to move up and down.
The 3D printer is characterized in that the 3D printer main body comprises a resin groove 17, a display screen 18, an emergency stop button 19, a start button 20, a control lever 21 and a frame 22. The resin tank 17, the display screen 18, the emergency stop button 19, the start button 20 and the operating lever 21 are all arranged on the frame 22; wherein the display screen 18 can be used to display the change of illumination or the change of temperature during the printing process, or both, the function of which is determined by the equipment installed according to the user's requirements; the joystick 18 may be used to quickly zero the projection device 1 before starting the printing model.
The working principle and the using process of the utility model are as follows: before the utility model is used, the condition of each mechanism is checked firstly, and the mechanism can be used after the condition is checked without errors; firstly, liquid photosensitive resin is added into a resin tank 17, then a third motor 12 controls a lead screw 10 to rotate, a sinking mechanism integrally moves downwards, a sinking plate 16 is soaked below the liquid surface of the liquid photosensitive resin, the distance between the sinking plate and the liquid surface is just the first layer thickness, data of a model processed by slicing software is transmitted to a corresponding program, then a control rod 21 is used for enabling a projection device 1 to quickly return to zero, a start button 20 is pressed, the program starts to run, after the first layer is solidified, the sinking plate 16 is descended by one layer thickness through the sinking mechanism, the first layer is solidified, the steps are repeated in a circulating mode until the model is printed, the change of internal illumination or temperature can be observed through a display screen 18 during printing, and if deviation occurs, the printing operation can be stopped through an emergency stop button 19. When a large model is formed, the model is sliced through slicing software, the obtained tangent plane bitmap is divided into a plurality of unit bitmaps which can be projected by the projection equipment 1, data are transmitted to a corresponding program to plan the movement route of the projection equipment 1, the liquid photosensitive resin in the resin tank 17 is exposed for a specified time by controlling the on and off of a light source of the projection equipment 1, so that the unit bitmap is cured, the transverse motor 4 and the longitudinal motor 8 are driven, the first transmission shaft 3 and the second transmission shaft 6 are rotated to drive the first bracket 5 and the second bracket 7, and the front, back, left and right movement of the projection equipment 1 is finally realized; the projection area is enlarged by changing the position of the projection device 1, and the next unit bitmap is formed until the unit bitmaps divided in the first layer are completely solidified, and then the sinking plate 16 is descended by one layer thickness through the sinking mechanism to perform the step of solidifying the first layer, and the steps are repeated in a circulating manner until the model printing is completed.
The plane motion mechanism composed of the mounting base 2, the first transmission shaft 3, the transverse motor 4, the first bracket 5, the second transmission shaft 6, the second bracket 7 and the longitudinal motor 8 can be replaced by a belt transmission or a lead screw nut.
A plane motion mechanism consisting of a mounting base 2, a first transmission shaft 3, a transverse motor 4, a first support 5, a second transmission shaft 6, a second support 7 and a longitudinal motor 8 can enable the projection equipment 1 to move left and right by 200mm and move front and back by 150 mm.
The joystick 21 may also be in the form of a key instead of effecting a quick return to zero motion of the projection device 1.
All install the glass that has the reflective membrane all around of 3D printer main part, wherein front side glass can open, and other three side glass are fixed mounting.
In conclusion, the utility model realizes the increase of the forming breadth, solves the problem that the projection size of a common 3D printer is limited by projection equipment to be small, utilizes the projection equipment to move front and back and left and right on a plane, solves the problems of large volume, high cost and complex operation caused by the mode of cooperating projection by a plurality of projectors in the prior art, and realizes breakthrough in the research of the field of sinking type large-breadth forming of 3D printing.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the details of construction and the principles of the utility model described in the foregoing specification, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. A sinking type DLP type 3D printer is characterized by comprising a transmission mechanism, a sinking mechanism and a 3D printer main body; the transmission mechanism comprises a projection device (1), a mounting seat (2), a first transmission shaft (3), a transverse motor (4), a first support (5), a second transmission shaft (6), a second support (7), a longitudinal motor (8), a first flange seat (9), a lead screw (10), a second flange seat (11) and a third motor (12), wherein the projection device (1) is mounted on the mounting seat (2), and a light source face faces the bottom of the resin groove (17); the mounting base (2) is mounted on the first transmission shaft (3) and is responsible for driving the projection equipment (1) to move left and right; the first transmission shaft (3) is arranged on the first bracket (5); the transverse motor (4) is arranged on the first bracket (5) or the rack (22) and is used for controlling the left and right movement of the mounting seat (2); the first support (5) is arranged on the second transmission shaft (6) and is mainly used for realizing the back-and-forth movement of the projection equipment (1), and the number of the first support (5) is 2; the second transmission shafts (6) are arranged on the second bracket (7), and the number of the second transmission shafts is 2; the second supports (7) are arranged on the rack (22), and the number of the second supports is 4; the longitudinal motor (8) is arranged on the second bracket (7) or the rack (22); wherein the mounting seat (2), the first transmission shaft (3), the transverse motor (4), the first bracket (5), the second transmission shaft (6), the second bracket (7) and the longitudinal motor (8) form a plane motion mechanism; the first flange seat (9) and the second flange seat (11) are fixedly arranged on the rack (22); and the central holes of the two are aligned up and down; the screw rod (10) is arranged in central holes of the first flange seat (9) and the second flange seat (11); the third motor (12) is arranged at the bottom end of the lead screw (10); the sinking mechanism comprises a bearing beam (13), bearing blocks (14), a third bracket (15) and a sinking plate (16), wherein the bearing blocks (14) are arranged on a screw rod (10), the number of the bearing blocks is 2, and holes in the side surfaces of the two bearing blocks (14) are aligned with each other; the bearing beam (13) is fixedly arranged on the bearing block (14); the third support (15) is arranged on the bearing beam (13); the sinking plate (16) is fixedly arranged on the third bracket (15), and the working surface of the sinking plate (16) is always parallel to the bottom surface of the resin groove (17); when the third motor (12) controls the screw rod (10) to rotate, the bearing beam (13) arranged on the bearing block (14) is driven to move up and down, and then the sinking plate (16) arranged on the third support (15) can move up and down; the 3D printer main part includes resin tank (17), display screen (18), scram button (19), start button (20), control rod (21) and frame (22), resin tank (17), display screen (18), scram button (19), start button (20), control rod (21) all install on frame (22).
2. A sunk DLP type 3D printer according to claim 1 wherein the planar motion mechanism consisting of the mounting base (2), the first transmission shaft (3), the transverse motor (4), the first bracket (5), the second transmission shaft (6), the second bracket (7) and the longitudinal motor (8) can be replaced by a belt drive or a lead screw nut.
3. The DLP type 3D printer of claim 1, wherein the plane motion mechanism composed of the mounting base (2), the first transmission shaft (3), the transverse motor (4), the first bracket (5), the second transmission shaft (6), the second bracket (7) and the longitudinal motor (8) can move the projection device (1) left and right by 200mm and back and forth by 150 mm.
4. A sunken DLP type 3D printer according to claim 1 wherein the display screen (18) is adapted to display changes in light or temperature or both during printing.
5. A sunken DLP type 3D printer according to claim 1 wherein the joystick (21) may be in the form of a button instead of a quick zero return of the projection device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121537071.7U CN215473101U (en) | 2021-07-07 | 2021-07-07 | Formula of sinking DLP type 3D printer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121537071.7U CN215473101U (en) | 2021-07-07 | 2021-07-07 | Formula of sinking DLP type 3D printer |
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| Publication Number | Publication Date |
|---|---|
| CN215473101U true CN215473101U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121537071.7U Active CN215473101U (en) | 2021-07-07 | 2021-07-07 | Formula of sinking DLP type 3D printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116587598A (en) * | 2023-05-12 | 2023-08-15 | 纵横增材智能科技(珠海)有限公司 | DLP printer with sinking type printing function |
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2021
- 2021-07-07 CN CN202121537071.7U patent/CN215473101U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116587598A (en) * | 2023-05-12 | 2023-08-15 | 纵横增材智能科技(珠海)有限公司 | DLP printer with sinking type printing function |
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