CN112170835A - Metal 3D printer elevating system - Google Patents
Metal 3D printer elevating system Download PDFInfo
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- CN112170835A CN112170835A CN202010800553.0A CN202010800553A CN112170835A CN 112170835 A CN112170835 A CN 112170835A CN 202010800553 A CN202010800553 A CN 202010800553A CN 112170835 A CN112170835 A CN 112170835A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
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Abstract
The invention relates to the technical field of metal printers, in particular to a lifting mechanism of a metal 3D printer, which reduces the difficulty in adjusting the interval between printing intervals, improves the printing adaptation interval, increases the adjustability, improves the adaptability and reduces the use limitation; the printer comprises a printer case, a bearing, a swing screw rod, a mounting rack, a printing device, a printer head, a printing motor, a printing platform and an editing controller, wherein the printing platform is arranged in a cavity of the printer case and is positioned at the bottom end of the printer head, and the left end of the editing controller is arranged at the right end of the printer case; still include first motor frame, elevator motor, elevating screw, support frame, thread bush, slide rail, sliding sleeve and limiting plate, install on printer case cavity diapire first motor frame bottom, and elevating screw and thread bush screw-thread fit connect, and a plurality of slide rail cooperations are installed on two walls about printer case cavity, and the limiting plate bottom is installed on the elevating screw top, and elevator motor passes through the wire and is connected with edit controller electric control.
Description
Technical Field
The invention relates to the technical field of metal printers, in particular to a lifting mechanism of a metal 3D printer.
Background
As is well known, a metal 3D printer lifting mechanism is an auxiliary device for lifting a metal printer, and is widely used in the field of metal printers; the existing lifting mechanism of the metal 3D printer comprises a printer case, a bearing, a swinging lead screw, a mounting frame, a printing device, a printer head, a printing motor, a printing platform and an editing controller, wherein the swinging lead screw is rotatably mounted inside a cavity of the printer case through the bearing; when the existing lifting mechanism of the metal 3D printer is used, firstly, the device is electrified and connected, then a metal plate is placed at the top end of a printing platform, then an editing controller is used for programming to carry out signal input control on a printing motor and the printing device, and then a printer head is used for printing the plate at the top end of the printing platform; present metal 3D printer elevating system discovers in using, and current device printer head printing position and print platform interval are fixed, lead to both intervals to transfer the degree of difficulty great, and the device printing panel is suitable for the interval less, and adaptability is relatively poor, and it is higher to be suitable for the limitation.
Disclosure of Invention
In order to solve the technical problems, the invention provides a metal 3D printer lifting mechanism which reduces the difficulty in adjusting the distance between printing intervals, improves the printing adaptation interval, increases the adjustability, improves the adaptability and reduces the use limitation.
The invention discloses a lifting mechanism of a metal 3D printer, which comprises a printer case, a bearing, a swinging lead screw, an installation frame, a printing device, a printer head, a printing motor, a printing platform and an editing controller, wherein the swinging lead screw is rotatably installed inside a cavity of the printer case through the bearing; still include first motor frame, elevator motor, elevating screw, a support frame, the thread bush, a slide rail, sliding sleeve and limiting plate, install on printer case cavity diapire first motor frame bottom, the elevator motor right-hand member is installed at first motor frame left end, elevating screw bottom and elevator motor top output end coaxial coupling, install in the print platform bottom on the support frame top, and the thread bush is installed inside the shaft hole of support frame bottom, elevating screw and thread bush screw-thread fit connection, a plurality of slide rail cooperations are installed on two walls about printer case cavity, both ends about the print platform are installed to the sliding sleeve symmetry, and slide rail and sliding sleeve cooperation sliding connection, the limiting plate bottom is installed on the elevating screw top, elevator motor passes through wire and editing controller electric control connection.
The invention relates to a metal 3D printer lifting mechanism, which further comprises a driving roller bracket, a driving roller, a driven roller bracket, a driven roller, a conveying belt and a driving device, wherein the bottom end of the driving roller bracket is installed at the front part of the top end of a printing platform, the driving roller is rotatably installed at the top end of the driving roller bracket, the bottom end of the driven roller bracket is installed at the rear part of the top end of the printing platform, the driven roller is rotatably installed at the top end of the driven roller bracket, the conveying belt is in matched and rotatable connection with the driven roller through the driving roller, the output end of the driving device is coaxially connected with the right.
The invention relates to a metal 3D printer lifting mechanism which further comprises connecting pieces, connecting blocks, connecting shafts, springs, positioning pins and ratchet rulers, wherein the top ends of the connecting pieces are matched and symmetrically arranged at the bottom end of a printing platform, the connecting blocks are matched and slidably arranged inside slotted holes of the connecting pieces, the positioning pins and the connecting blocks are rotatably connected through the connecting shafts, the bottom ends of the springs are connected with the bottom walls of the slotted holes of the connecting pieces, the top ends of the springs are connected with the bottom ends of the connecting blocks, the ratchet rulers are symmetrically arranged on the left wall and the right wall of a.
The driving device of the metal 3D printer lifting mechanism comprises a second motor frame and a conveying motor, wherein the conveying motor is installed at the right end of a driving roller bracket through the second motor frame, the output end of the conveying motor is coaxially connected with the right end of a driving roller, and the conveying motor is electrically connected with an editing controller in a control mode through a lead.
The invention discloses a lifting mechanism of a metal 3D printer, which comprises a motor cover, wherein the left end of the motor cover is arranged at the right end of a drive roll bracket, and a conveying motor is positioned in the motor cover.
The lifting mechanism of the metal 3D printer further comprises a plurality of adjusting support legs, and the top ends of the adjusting support legs are installed at the bottom end of the printer case in a matched mode.
The lifting mechanism of the metal 3D printer further comprises a protection frame, wherein the bottom end of the protection frame is installed on the bottom wall of the cavity of the printer case, and the lifting motor is located at the bottom end of the protection frame.
The lifting mechanism of the metal 3D printer further comprises a rubber pad, and the bottom end of the rubber pad is installed at the top end of the protection frame.
Compared with the prior art, the invention has the beneficial effects that: make elevator motor stable installation on printer case cavity diapire through first motor frame, the thread bush passes through support frame stable installation in the print platform bottom, elevator motor makes elevator screw and thread bush cooperation regulation print platform and printer head interval through rotating, make print platform lift orbit carry out positioning control through slide rail and sliding sleeve cooperation, make print platform lift interval inject through the limiting plate, reduce the interval regulation degree of difficulty of printing interval, improve and print between the adaptation interval, increase the controllability, improve the adaptability, reduce and use the limitation.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the present invention;
FIG. 3 is an enlarged partial schematic view of the present invention;
FIG. 4 is a partial right view schematic of the present invention;
in the drawings, the reference numbers: 1. a printer cabinet; 2. a bearing; 3. swinging the lead screw; 4. a mounting frame; 5. a printing device; 6. a printer head; 7. a print motor; 8. a printing platform; 9. an editing controller; 10. a first motor mount; 11. a lifting motor; 12. lifting a screw rod; 13. a support frame; 14. a threaded sleeve; 15. a slide rail; 16. a sliding sleeve; 17. a limiting plate; 18. a drive roll carrier; 19. a drive roll; 20. a driven roller bracket; 21. a driven roller; 22. a conveyor belt; 23. a connecting member; 24. connecting blocks; 25. a connecting shaft; 26. a spring; 27. positioning pins; 28. a spine ruler; 29. a second motor mount; 30. a conveying motor; 31. a motor cover; 32. adjusting the support legs; 33. a protection frame; 34. and (7) a rubber pad.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the lifting mechanism of a metal 3D printer of the present invention comprises a printer case 1, a bearing 2, a swing screw 3, a mounting frame 4, a printing device 5, a printer head 6, a printing motor 7, a printing platform 8 and an editing controller 9, wherein the swing screw 3 is rotatably mounted inside a cavity of the printer case 1 through the bearing 2, the mounting frame 4 is rotatably connected with the swing screw 3 in a matching manner, the rear end of the printing device 5 is mounted at the front end of the mounting frame 4, the printer head 6 is arranged at the bottom end of the printing device 5, the right end of the printing motor 7 is mounted at the left end of the printer case 1, the right output end of the printing motor 7 is coaxially connected with the left end of the swinging screw rod 3, the printing platform 8 is arranged in the cavity of the printer case 1 and is positioned at the bottom end of the printer head 6, the left end of the editing controller 9 is arranged at the right end of the printer case 1, the printing device 5 and the printing motor 7 are electrically connected with the editing controller 9 through wires; the printer further comprises a first motor frame 10, a lifting motor 11, a lifting screw rod 12, a support frame 13, a threaded sleeve 14, a slide rail 15, a slide sleeve 16 and a limit plate 17, wherein the bottom end of the first motor frame 10 is arranged on the bottom wall of the cavity of the printer case 1, the right end of the lifting motor 11 is arranged at the left end of the first motor frame 10, the bottom end of the lifting screw rod 12 is coaxially connected with the output end of the top of the lifting motor 11, the top end of the support frame 13 is arranged at the bottom end of, and the threaded sleeve 14 is arranged in the shaft hole at the bottom end of the supporting frame 13, the lifting screw 12 is in threaded fit connection with the threaded sleeve 14, a plurality of slide rails 15 are in fit installation on the left and right walls of the cavity of the printer case 1, the sliding sleeves 16 are symmetrically arranged at the left and right ends of the printing platform 8, the sliding rail 15 is in sliding connection with the sliding sleeve 16 in a matching manner, the bottom end of the limiting plate 17 is installed at the top end of the lifting screw 12, and the lifting motor 11 is electrically connected with the editing controller 9 in a control manner through a lead; make elevator motor 11 stable installation on 1 cavity diapire of printer case through first motor frame 10, threaded sleeve 14 passes through support frame 13 stable installation in 8 bottoms of print platform, elevator motor 11 makes elevator screw 12 and threaded sleeve 14 cooperation adjust print platform 8 and the 6 intervals of printer head through rotating, make 8 lift trails of print platform carry out positioning control through slide rail 15 and the 16 cooperation of sliding sleeve, it prescribes a limit to make 8 lift intervals of print platform inject through limiting plate 17, reduce the interval regulation degree of difficulty between the printing interval, improve and print adaptation interval, increase the controllability, improve the adaptability, reduce and use the limitation.
The invention relates to a lifting mechanism of a metal 3D printer, which further comprises a driving roller bracket 18, a driving roller 19, a driven roller bracket 20, a driven roller 21, a conveying belt 22 and a driving device, wherein the bottom end of the driving roller bracket 18 is installed at the front part of the top end of a printing platform 8, the driving roller 19 is rotatably installed at the top end of the driving roller bracket 18, the bottom end of the driven roller bracket 20 is installed at the rear part of the top end of the printing platform 8, the driven roller 21 is rotatably installed at the top end of the driven roller bracket 20, the conveying belt 22 is in matched and rotatable connection with the driven roller 21 through the driving roller 19, the output end of the driving device is coaxially connected with the right; make drive roll 19 rotate through drive roll bracket 18 and support, make driven voller 21 rotate through driven voller bracket 20 and support, make conveyer belt 22 rotate through driven voller 21 and drive roll 19 cooperation and support, drive arrangement makes printing panel carry out continuous automatic feeding through conveyer belt 22, improves work efficiency, increases job stabilization nature, improves adaptability, reduces and uses the limitation.
The invention relates to a metal 3D printer lifting mechanism, which further comprises connecting pieces 23, connecting blocks 24, connecting shafts 25, springs 26, positioning pins 27 and ratchet rulers 28, wherein the top ends of the connecting pieces 23 are matched and symmetrically arranged at the bottom end of a printing platform 8, the connecting blocks 24 are matched and slidably arranged in slotted holes of the connecting pieces 23, the positioning pins 27 and the connecting blocks 24 are rotatably connected through the connecting shafts 25, the bottom ends of the springs 26 are connected with the bottom walls of the slotted holes of the connecting pieces 23, the top ends of the springs 26 are connected with the bottom ends of the connecting blocks 24, the ratchet rulers 28 are symmetrically arranged on the left wall and the right wall of a cavity of a; make print platform 8 go up and down highly to fix a position through locating pin 27 and the cooperation of thorn chi 28, make connecting block 24 and locating pin 27 rotate through connecting axle 25 and be connected, make connecting piece 23 overturn through connecting block 24 and connecting piece 23 cooperation sliding connection, make connecting block 24 upwards compress tightly locating pin 27 and thorn chi 28 and be in the cooperation state through spring 26, improve support stability, increase product printing quality, increase adaptability, reduce and use the limitation.
According to the lifting mechanism of the metal 3D printer, the driving device comprises a second motor frame 29 and a conveying motor 30, the conveying motor 30 is installed at the right end of the driving roller bracket 18 through the second motor frame 29, the output end of the conveying motor 30 is coaxially connected with the right end of the driving roller 19, and the conveying motor 30 is electrically controlled and connected with the editing controller 9 through a lead; make conveying motor 30 and drive roll bracket 18 fixed mounting through second motor frame 29, make conveyer belt 22 material loading efficiency increase through conveying motor 30, increase work efficiency, improve and print stability, increase adaptability, reduce and use the limitation.
The invention discloses a lifting mechanism of a metal 3D printer, which comprises a motor cover 31, wherein the left end of the motor cover 31 is installed at the right end of a drive roller bracket 18, and a conveying motor 30 is positioned inside the motor cover 31; make conveying motor 30 carry out dustproof protection through motor cover 31, reduce the loss that the printing metal fillings led to the fact to the device, improve the adaptability life-span, increase adaptability, reduce the use limitation.
The lifting mechanism of the metal 3D printer further comprises a plurality of adjusting support feet 32, wherein the top ends of the adjusting support feet 32 are installed at the bottom end of the printer case 1 in a matched mode; make device stable support through a plurality of regulation stabilizer blade 32 cooperations, improve device installation adaptability, increase product printing quality, reduce and use the limitation.
The lifting mechanism of the metal 3D printer further comprises a protection frame 33, wherein the bottom end of the protection frame 33 is installed on the bottom wall of the cavity of the printer case 1, and the lifting motor 11 is located at the bottom end of the protection frame 33; make elevator motor 11 protect through fender bracket 33, support frame 13 is to elevator motor 11 collision damage when reducing print platform 8 position and descend, improves and uses the installation nature, increases job stabilization nature, improves adaptability, reduces and uses the limitation.
The lifting mechanism of the metal 3D printer further comprises a rubber pad 34, wherein the bottom end of the rubber pad 34 is installed at the top end of the protection frame 33; cushion when making support frame 13 and fender bracket 33 collide through rubber pad 34, improve device protection effect, increase job stabilization nature, reduce and use the limitation.
When the lifting mechanism of the metal 3D printer works, firstly, the device is electrified and connected, then the lifting motor 11 is controlled to rotate through the editing controller 9, the lifting screw 12 and the threaded sleeve 14 are matched to adjust the height of the printing platform 8, then plates are sequentially positioned and placed at the top end of the conveying belt 22, then the printing device 5 and the printing motor 7 are subjected to program control through the editing controller 9, then the conveying belt 22 is controlled through the editing controller 9 to convey the plates at the top end, and then the plates are printed through the printer head 6.
According to the lifting mechanism of the metal 3D printer, the installation mode, the connection mode or the setting mode are all common mechanical modes, and the lifting mechanism can be implemented as long as the beneficial effects of the lifting mechanism can be achieved; the mounting frame 4, the editing controller 9, the printing motor 7, the lifting motor 11 and the conveying motor 30 of the lifting mechanism of the metal 3D printer are purchased from the market, and technicians in the industry only need to install and operate according to the attached operating instructions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A metal 3D printer lifting mechanism comprises a printer case (1), a bearing (2), a swinging lead screw (3), an installation frame (4), a printing device (5), a printer head (6), a printing motor (7), a printing platform (8) and an editing controller (9), wherein the swinging lead screw (3) is rotatably installed inside a cavity of the printer case (1) through the bearing (2), the installation frame (4) is matched and rotatably connected with the swinging lead screw (3), the rear end of the printing device (5) is installed at the front end of the installation frame (4), the bottom end of the printing device (5) is provided with the printer head (6), the right end of the printing motor (7) is installed at the left end of the printer case (1), the right output end of the printing motor (7) is coaxially connected with the left end of the swinging lead screw (3), the printing platform (8) is installed inside the cavity of the printer case (1) and is positioned at the bottom, the left end of the editing controller (9) is arranged at the right end of the printer case (1), and the printing device (5) and the printing motor (7) are electrically connected with the editing controller (9) in a control way through a lead; the automatic printing machine is characterized by further comprising a first motor frame (10), a lifting motor (11), a lifting screw rod (12), a support frame (13), a threaded sleeve (14), slide rails (15), a slide sleeve (16) and a limiting plate (17), wherein the bottom end of the first motor frame (10) is installed on the bottom wall of the cavity of the printer case (1), the right end of the lifting motor (11) is installed at the left end of the first motor frame (10), the bottom end of the lifting screw rod (12) is coaxially connected with the top output end of the lifting motor (11), the top end of the support frame (13) is installed at the bottom end of the printing platform (8), the threaded sleeve (14) is installed inside a shaft hole at the bottom end of the support frame (13), the lifting screw rod (12) is in threaded fit connection with the threaded sleeve (14), the slide rails (15) are installed on the left wall and the right wall of the cavity of the printer case, and slide rail (15) and sliding sleeve (16) cooperation sliding connection, limiting plate (17) bottom is installed on elevating screw (12) top, and elevator motor (11) passes through the wire and is connected with editor's controller (9) electric control.
2. The metal 3D printer lifting mechanism is characterized by further comprising a driving roller bracket (18), a driving roller (19), a driven roller bracket (20), a driven roller (21), a conveying belt (22) and a driving device, wherein the bottom end of the driving roller bracket (18) is installed at the front portion of the top end of the printing platform (8), the driving roller (19) is rotatably installed at the top end of the driving roller bracket (18), the bottom end of the driven roller bracket (20) is installed at the rear portion of the top end of the printing platform (8), the driven roller (21) is rotatably installed at the top end of the driven roller bracket (20), the conveying belt (22) is in matched and rotating connection with the driven roller (21) through the driving roller (19), the output end of the driving device is coaxially connected with the right end of the driving roller (19), and the driving device is electrically and controllably connected with the editing controller (9.
3. The metal 3D printer lifting mechanism is characterized by further comprising connecting pieces (23), connecting blocks (24), connecting shafts (25), springs (26), positioning pins (27) and ratchet rulers (28), wherein the top ends of the connecting pieces (23) are symmetrically installed at the bottom end of the printing platform (8) in a matched mode, the connecting blocks (24) are slidably installed inside slotted holes of the connecting pieces (23) in a matched mode, the positioning pins (27) and the connecting blocks (24) are rotatably connected through the connecting shafts (25), the bottom ends of the springs (26) are connected with the bottom walls of the slotted holes of the connecting pieces (23), the top ends of the springs (26) are connected with the bottom ends of the connecting blocks (24), the ratchet rulers (28) are symmetrically installed on the left wall and the right wall of a cavity of the printer case (1), and the positioning pins (27) are connected with.
4. The lifting mechanism of a metal 3D printer as claimed in claim 3, wherein the driving device comprises a second motor frame (29) and a conveying motor (30), the conveying motor (30) is installed at the right end of the driving roller bracket (18) through the second motor frame (29), the output end of the conveying motor (30) is coaxially connected with the right end of the driving roller (19), and the conveying motor (30) and the editing controller (9) are electrically connected through a conducting wire in a control mode.
5. The lifting mechanism of the metal 3D printer as claimed in claim 4, characterized by comprising a motor cover (31), wherein the left end of the motor cover (31) is installed at the right end of the drive roll bracket (18), and the conveying motor (30) is positioned inside the motor cover (31).
6. The lifting mechanism of the metal 3D printer as claimed in claim 5, further comprising a plurality of adjusting feet (32), wherein the top ends of the plurality of adjusting feet (32) are fittingly installed at the bottom end of the printer case (1).
7. The lifting mechanism of the metal 3D printer as claimed in claim 6, further comprising a protection frame (33), wherein the bottom end of the protection frame (33) is installed on the bottom wall of the cavity of the printer case (1), and the lifting motor (11) is located at the bottom end of the protection frame (33).
8. The lifting mechanism of the metal 3D printer as claimed in claim 7, further comprising a rubber pad (34), wherein the bottom end of the rubber pad (34) is mounted on the top end of the protection frame (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010800553.0A CN112170835A (en) | 2020-08-11 | 2020-08-11 | Metal 3D printer elevating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010800553.0A CN112170835A (en) | 2020-08-11 | 2020-08-11 | Metal 3D printer elevating system |
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| Publication Number | Publication Date |
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| CN112170835A true CN112170835A (en) | 2021-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010800553.0A Pending CN112170835A (en) | 2020-08-11 | 2020-08-11 | Metal 3D printer elevating system |
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| CN (1) | CN112170835A (en) |
Citations (8)
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| CN204894520U (en) * | 2015-07-03 | 2015-12-23 | 苏州文武三维科技有限公司 | 3D printer Z axis platform elevating gear |
| CN205767537U (en) * | 2016-05-24 | 2016-12-07 | 郑州睿之鲲机电科技有限公司 | The 3D printer that printed product separates certainly with print platform |
| CN207128275U (en) * | 2017-07-06 | 2018-03-23 | 毛亚静 | A kind of new 3D printer |
| CN207535305U (en) * | 2017-10-25 | 2018-06-26 | 东莞市榴花艺术有限公司 | One kind is for accurate molding 3D printer |
| CN108215196A (en) * | 2018-01-02 | 2018-06-29 | 海宁永欣科技咨询有限公司 | A kind of 3D printer |
| CN207825746U (en) * | 2017-12-01 | 2018-09-07 | 福建钢泓金属科技股份有限公司 | A kind of three-dimensional stainless steel plate UV printing equipments |
| CN109080140A (en) * | 2018-10-17 | 2018-12-25 | 佛山市技越模型有限公司 | A kind of 3D printer convenient for adjusting lifting platform height |
| CN210880927U (en) * | 2019-09-23 | 2020-06-30 | 江苏铭亚科技有限公司 | Be used for safe type shaping platform elevating gear of 3D printer |
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2020
- 2020-08-11 CN CN202010800553.0A patent/CN112170835A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204894520U (en) * | 2015-07-03 | 2015-12-23 | 苏州文武三维科技有限公司 | 3D printer Z axis platform elevating gear |
| CN205767537U (en) * | 2016-05-24 | 2016-12-07 | 郑州睿之鲲机电科技有限公司 | The 3D printer that printed product separates certainly with print platform |
| CN207128275U (en) * | 2017-07-06 | 2018-03-23 | 毛亚静 | A kind of new 3D printer |
| CN207535305U (en) * | 2017-10-25 | 2018-06-26 | 东莞市榴花艺术有限公司 | One kind is for accurate molding 3D printer |
| CN207825746U (en) * | 2017-12-01 | 2018-09-07 | 福建钢泓金属科技股份有限公司 | A kind of three-dimensional stainless steel plate UV printing equipments |
| CN108215196A (en) * | 2018-01-02 | 2018-06-29 | 海宁永欣科技咨询有限公司 | A kind of 3D printer |
| CN109080140A (en) * | 2018-10-17 | 2018-12-25 | 佛山市技越模型有限公司 | A kind of 3D printer convenient for adjusting lifting platform height |
| CN210880927U (en) * | 2019-09-23 | 2020-06-30 | 江苏铭亚科技有限公司 | Be used for safe type shaping platform elevating gear of 3D printer |
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Application publication date: 20210105 |