CN203622963U - Portable small-size 3D (third-dimensional) printing machine - Google Patents
Portable small-size 3D (third-dimensional) printing machine Download PDFInfo
- Publication number
- CN203622963U CN203622963U CN201320761855.7U CN201320761855U CN203622963U CN 203622963 U CN203622963 U CN 203622963U CN 201320761855 U CN201320761855 U CN 201320761855U CN 203622963 U CN203622963 U CN 203622963U
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- Prior art keywords
- polished rod
- axis
- installing plate
- base plate
- motor
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- Expired - Fee Related
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/25—Housings, e.g. machine housings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/232—Driving means for motion along the axis orthogonal to the plane of a layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
- B29C64/236—Driving means for motion in a direction within the plane of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
The utility model discloses a portable small-size 3D (third-dimensional) printing machine which comprises a box body, a box cover and a handle, wherein a 3D printing mechanism is arranged in the box body and comprises a base plate; the top of the base plate is connected with a first polish rod and a second polish rod; a moving plate is connected between the first polish rod and the second polish rod; a Y-axis moving motor and a Y-axis transmission screw rod pair are mounted on the base plate; the top of the moving plate is connected with a third polish rod and a fourth polish rod; a printing platform is connected between the third polish rod and the fourth polish rod; an X-axis moving motor and an X-axis transmission screw rod pair are arranged on the moving plate; the side surface of the base plate is hinged to a hinge block; a lifting bracket is arranged above the hinge block; a Z-axis lifting motor and a lifting guide rail are arranged on the top of the hinge block; the Z-axis lifting motor is connected with a lifting screw rod; the lifting guide rail and the lifting screw rod penetrate through the lifting bracket; a printing head is arranged on the lifting bracket. The portable small-size 3D printing machine is compact in structure, small in size, convenient to carry and move, high in moving precision in all the directions and high in practicability.
Description
Technical field
The utility model relates to 3D printer technology field, especially relates to a kind of portable small-sized 3D printer.
Background technology
3D printer belongs to rapid forming equipment, the Rapid development stage in early stage at present, and people are attempting using as far as possible widely 3D printer; Portable 3D printer has easy to carry, operable feature at any time, and the scope of application is more extensive; Current portable 3D printer is in development, and the various structures that therefore can realize portable 3D printer portable function all have certain novelty; Traditional 3D printer, due to complex structure, takes up room large, therefore can not directly be accommodated in box house, cannot carry very easily.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of portable small-sized 3D printer is provided, its compact conformation, processing and fabricating is convenient, and volume is little, carries and convenient in carrying, mobile accuracy in all directions is high, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of portable small-sized 3D printer, it is characterized in that: comprise casing and the case lid hinged with described casing, on the sidewall of described casing, handle is installed, described box house is placed with 3D printing mechanism, described 3D printing mechanism comprises horizontally disposed base plate, the top, one end of described base plate is connected with the first polished rod by spaced two the first baffle plates, the other end top of described base plate is connected with the second polished rod by spaced two second baffles, described the second polished rod and described the first polished rod are parallel to each other, between described the first polished rod and the second polished rod, being connected with can be along the movable plate of described the first polished rod and the slip of the second polished rod, centre position place one side of described base plate is along Y-axis mobile motor is installed, on the output shaft of described Y-axis mobile motor, be connected with Y-axis turn-screw pair, the bottom surface of described movable plate is fixedly connected with the feed screw nut in described Y-axis turn-screw pair, the top, one end of described movable plate is connected with the 3rd polished rod by spaced two the 3rd baffle plates, the other end top of described movable plate is connected with the 4th polished rod by spaced two the 4th baffle plates, described the 3rd polished rod is parallel to each other with described the 4th polished rod and is all vertical with described the second polished rod with described the first polished rod, between described the 3rd polished rod and the 4th polished rod, being connected with can be along the print platform of described the 3rd polished rod and the slip of the 4th polished rod, centre position place one side of described movable plate is along X-axis mobile motor is installed, on the output shaft of described X-axis mobile motor, be connected with X-axis turn-screw pair, the bottom surface of described print platform is fixedly connected with the feed screw nut in described X-axis turn-screw pair, one side side of described base plate is hinged with hinged block, the upper horizontal of described hinged block is provided with the lifting support extending to the middle part of described base plate, the top of described hinged block be provided with Z axis lifting motor and with the perpendicular riser guide of described lifting support, on the output shaft of described Z axis lifting motor, be connected with the elevating screw paralleling with described riser guide, the top of described riser guide and the top of described elevating screw are all through the end, one end of described lifting support, on described lifting support, have the through hole passing for described riser guide and the screwed hole being threaded with described elevating screw, the other end end of described lifting support is provided with printhead.
Above-mentioned portable small-sized 3D printer, is characterized in that: a side side of described base plate is hinged with hinged block by jointed shaft.
Above-mentioned portable small-sized 3D printer, is characterized in that: being shaped as of described riser guide cross section is I-shaped.
Above-mentioned portable small-sized 3D printer, is characterized in that: described Y-axis mobile motor, X-axis mobile motor and Z axis lifting motor are stepper motor.
Above-mentioned portable small-sized 3D printer, it is characterized in that: described printhead comprises the vertical installing plate of vertical setting and is fixedly connected on the horizontal installing plate of described vertical installing plate middle and lower part perpendicular to described vertical installing plate, described horizontal installing plate is fixedly connected on the other end end of described lifting support, on described horizontal installing plate, feeding motor and vertical baffle are installed, the output shaft of described feeding motor is the first feed spool, on described vertical baffle, be rotatably connected to the second feed spool, the periphery of the periphery of described the first feed spool and described the second feed spool contacts, on described the first feed spool, have the first circular chute feeder, on described the second feed spool, having matches with described the first chute feeder is formed for the second circular chute feeder through the hole of shaping raw material, the nozzle being positioned under described shaping raw material is installed on described horizontal installing plate, described nozzle vertical with described horizontal installing plate setting and from the top of described horizontal installing plate through the bottom of described horizontal installing plate.
Above-mentioned portable small-sized 3D printer, is characterized in that: in described nozzle, be provided with heater.
The utility model compared with prior art has the following advantages:
1, the utility model compact conformation, reasonable in design, and processing and fabricating is convenient.
2, volume of the present utility model is little, carries and convenient in carrying.
3, the utility model printhead is realized by lead screw transmission form in the elevating movement of Z-direction, and the move through lead screw pair kind of drive of print platform in X-direction and Y direction realizes, and the mobile accuracy in all directions is high.
4, of the present utility model practical, result of use is good, is convenient to promote the use of.
In sum, the utility model compact conformation, processing and fabricating is convenient, and volume is little, carries and convenient in carrying, and the mobile accuracy in all directions is high, practical, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the use view of the utility model case lid while opening.
Fig. 3 is the structural representation of the utility model 3D printing mechanism.
Fig. 4 is the structural representation of the utility model printhead.
Description of reference numerals:
The specific embodiment
As Fig. 1, shown in Fig. 2 and Fig. 3, the utility model comprises casing 1 and the case lid 3 hinged with described casing 1, handle 2 is installed on the sidewall of described casing 1, described casing 1 inside is placed with 3D printing mechanism, described 3D printing mechanism comprises horizontally disposed base plate 10, the top, one end of described base plate 10 is connected with the first polished rod 17 by spaced two the first baffle plates 16, the other end top of described base plate 10 is connected with the second polished rod 19 by spaced two second baffles 18, described the second polished rod 19 is parallel to each other with described the first polished rod 17, between described the first polished rod 17 and the second polished rod 19, be connected with the movable plate 8 that can slide along described the first polished rod 17 and the second polished rod 19, centre position place one side of described base plate 10 is along Y-axis mobile motor 9 is installed, on the output shaft of described Y-axis mobile motor 9, be connected with Y-axis turn-screw pair 20, the bottom surface of described movable plate 8 is fixedly connected with the feed screw nut in described Y-axis turn-screw pair 20, the top, one end of described movable plate 8 is connected with the 3rd polished rod 22 by spaced two the 3rd baffle plates 21, the other end top of described movable plate 8 is connected with the 4th polished rod 24 by spaced two the 4th baffle plates 23, described the 3rd polished rod 22 is parallel to each other with described the 4th polished rod 24 and is all vertical with described the second polished rod 19 with described the first polished rod 17, between described the 3rd polished rod 22 and the 4th polished rod 24, be connected with the print platform 4 that can slide along described the 3rd polished rod 22 and the 4th polished rod 24, centre position place one side of described movable plate 8 is along X-axis mobile motor 7 is installed, on the output shaft of described X-axis mobile motor 7, be connected with X-axis turn-screw pair 25, the bottom surface of described print platform 4 is fixedly connected with the feed screw nut in described X-axis turn-screw pair 25, one side side of described base plate 10 is hinged with hinged block 15, the upper horizontal of described hinged block 15 is provided with the lifting support 5 extending to the middle part of described base plate 10, the top of described hinged block 15 be provided with Z axis lifting motor 13 and with the perpendicular riser guide 12 of described lifting support 5, on the output shaft of described Z axis lifting motor 13, be connected with the elevating screw 11 paralleling with described riser guide 12, the top of the top of described riser guide 12 and described elevating screw 11 is all through the end, one end of described lifting support 5, on described lifting support 5, have the through hole passing for described riser guide 12 and the screwed hole being threaded with described elevating screw 11, the other end end of described lifting support 5 is provided with printhead 6.
In the present embodiment, a side side of described base plate 10 is hinged with hinged block 15 by jointed shaft 14.Being shaped as of described riser guide 12 cross sections is I-shaped.Described Y-axis mobile motor 9, X-axis mobile motor 7 and Z axis lifting motor 13 are stepper motor.
As shown in Figure 4, in the present embodiment, described printhead 6 comprises the vertical installing plate 26 of vertical setting and is fixedly connected on the horizontal installing plate 32 of described vertical installing plate 26 middle and lower parts perpendicular to described vertical installing plate 26, described horizontal installing plate 32 is fixedly connected on the other end end of described lifting support 5, feeding motor 33 and vertical baffle 31 are installed on described horizontal installing plate 32, the output shaft of described feeding motor 33 is the first feed spool 27, on described vertical baffle 31, be rotatably connected to the second feed spool 28, the periphery of the periphery of described the first feed spool 27 and described the second feed spool 28 contacts, on described the first feed spool 27, have the first circular chute feeder 35, on described the second feed spool 28, having matches with described the first chute feeder 35 is formed for the second circular chute feeder 30 through the hole of shaping raw material 34, the nozzle 29 being positioned under described shaping raw material 34 is installed on described horizontal installing plate 32, described nozzle 29 is vertical arrange with described horizontal installing plate 32 and from the top of described horizontal installing plate 32 through the bottom of described horizontal installing plate 32.
In the present embodiment, in described nozzle 29, be provided with heater.
When the utility model uses, in the time that needs carry, rotate described hinged block 15, make described riser guide 12 and described base plate 10 levels, described 3D printing mechanism just can entirety fall in casing 1, and the case lid 3 that closes seals, and carries handle 2 and can carry away.When needs carry out 3D while printing, open case lid 3, and rotate described hinged block 15, make described riser guide 12 and to state base plate 10 vertical; In the time that needs print platform 4 moves along Y direction, start Y-axis mobile motor 9, Y-axis mobile motor 9 drives the leading screw rotation in Y-axis turn-screw pair 20, feed screw nut in Y-axis turn-screw pair 20 drives movable plate 8 to move in Y direction, has just realized the movement of print platform 4 along Y direction; In the time that needs print platform 4 moves along X-direction, start X-axis mobile motor 7, X-axis mobile motor 7 drives the leading screw rotation in X-axis turn-screw pair 25, feed screw nut in X-axis turn-screw pair 25 drives print platform 4 to move in X-direction, has just realized the movement of print platform 4 along X-direction; When needs printhead 6 is in Z-direction when elevating movement, start Z axis lifting motor 13, Z axis lifting motor 13 drives elevating screw 11 to rotate, and lifting support 5 rises or declines on described riser guide 12 and elevating screw 11, and then drives printhead 6 in Z-direction, rise or decline.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (6)
1. a portable small-sized 3D printer, it is characterized in that: comprise casing (1) and the case lid (3) hinged with described casing (1), handle (2) is installed on the sidewall of described casing (1), described casing (1) inside is placed with 3D printing mechanism, described 3D printing mechanism comprises horizontally disposed base plate (10), the top, one end of described base plate (10) is connected with the first polished rod (17) by spaced two the first baffle plates (16), the other end top of described base plate (10) is connected with the second polished rod (19) by spaced two second baffles (18), described the second polished rod (19) is parallel to each other with described the first polished rod (17), between described the first polished rod (17) and the second polished rod (19), being connected with can be along the movable plate (8) of described the first polished rod (17) and the second polished rod (19) slip, centre position place one side of described base plate (10) is along Y-axis mobile motor (9) is installed, on the output shaft of described Y-axis mobile motor (9), be connected with Y-axis turn-screw pair (20), the bottom surface of described movable plate (8) is fixedly connected with the feed screw nut in described Y-axis turn-screw pair (20), the top, one end of described movable plate (8) is connected with the 3rd polished rod (22) by spaced two the 3rd baffle plates (21), the other end top of described movable plate (8) is connected with the 4th polished rod (24) by spaced two the 4th baffle plates (23), described the 3rd polished rod (22) is parallel to each other with described the 4th polished rod (24) and is all vertical with described the second polished rod (19) with described the first polished rod (17), between described the 3rd polished rod (22) and the 4th polished rod (24), being connected with can be along the print platform (4) of described the 3rd polished rod (22) and the slip of the 4th polished rod (24), centre position place one side of described movable plate (8) is along X-axis mobile motor (7) is installed, on the output shaft of described X-axis mobile motor (7), be connected with X-axis turn-screw pair (25), the bottom surface of described print platform (4) is fixedly connected with the feed screw nut in described X-axis turn-screw pair (25), one side side of described base plate (10) is hinged with hinged block (15), the upper horizontal of described hinged block (15) is provided with the lifting support (5) extending to the middle part of described base plate (10), the top of described hinged block (15) be provided with Z axis lifting motor (13) and with the perpendicular riser guide (12) of described lifting support (5), on the output shaft of described Z axis lifting motor (13), be connected with the elevating screw (11) paralleling with described riser guide (12), the top of the top of described riser guide (12) and described elevating screw (11) is all through the end, one end of described lifting support (5), on described lifting support (5), have the through hole passing for described riser guide (12) and the screwed hole being threaded with described elevating screw (11), the other end end of described lifting support (5) is provided with printhead (6).
2. according to portable small-sized 3D printer claimed in claim 1, it is characterized in that: a side side of described base plate (10) is hinged with hinged block (15) by jointed shaft (14).
3. according to portable small-sized 3D printer claimed in claim 1, it is characterized in that: being shaped as of described riser guide (12) cross section is I-shaped.
4. according to portable small-sized 3D printer claimed in claim 1, it is characterized in that: described Y-axis mobile motor (9), X-axis mobile motor (7) and Z axis lifting motor (13) are stepper motor.
5. according to portable small-sized 3D printer claimed in claim 1, it is characterized in that: described printhead (6) comprises the vertical installing plate (26) of vertical setting and is fixedly connected on the horizontal installing plate (32) of described vertical installing plate (26) middle and lower part perpendicular to described vertical installing plate (26), described horizontal installing plate (32) is fixedly connected on the other end end of described lifting support (5), feeding motor (33) and vertical baffle (31) are installed on described horizontal installing plate (32), the output shaft of described feeding motor (33) is the first feed spool (27), on described vertical baffle (31), be rotatably connected to the second feed spool (28), the periphery of the periphery of described the first feed spool (27) and described the second feed spool (28) contacts, on described the first feed spool (27), have circular the first chute feeder (35), on described the second feed spool (28), having matches with described the first chute feeder (35) is formed for circular the second chute feeder (30) through the hole of shaping raw material (34), the nozzle (29) being positioned under described shaping raw material (34) is installed on described horizontal installing plate (32), described nozzle (29) is vertical arrange with described horizontal installing plate (32) and from the top of described horizontal installing plate (32) through the bottom of described horizontal installing plate (32).
6. according to portable small-sized 3D printer claimed in claim 5, it is characterized in that: described nozzle is provided with heater in (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320761855.7U CN203622963U (en) | 2013-11-26 | 2013-11-26 | Portable small-size 3D (third-dimensional) printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320761855.7U CN203622963U (en) | 2013-11-26 | 2013-11-26 | Portable small-size 3D (third-dimensional) printing machine |
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| Publication Number | Publication Date |
|---|---|
| CN203622963U true CN203622963U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320761855.7U Expired - Fee Related CN203622963U (en) | 2013-11-26 | 2013-11-26 | Portable small-size 3D (third-dimensional) printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203622963U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978691A (en) * | 2014-06-09 | 2014-08-13 | 余金文 | 3D (Three-Dimensional) printer based on rotation and continuous extrusion of threaded rod |
| CN104044272A (en) * | 2014-06-26 | 2014-09-17 | 中国矿业大学 | Portable 3D printer |
| WO2016019570A1 (en) * | 2014-08-08 | 2016-02-11 | 欧利速精密工业股份有限公司 | Vamp three-dimensional printing system |
| CN105584047A (en) * | 2015-12-29 | 2016-05-18 | 珠海市杜芬自动化科技有限公司 | Sliding guide device for printing head of 3D printing machine |
| CN105643936A (en) * | 2015-12-30 | 2016-06-08 | 博纳云智（天津）科技有限公司 | Three-dimensional full-color printer |
| GB2550290A (en) * | 2016-05-10 | 2017-11-15 | Delavan Inc | Additive manufacturing build plates and handling |
| CN107486987A (en) * | 2017-10-21 | 2017-12-19 | 长沙远达华信息科技有限公司 | A kind of Portable small 3D printer |
| CN108238316A (en) * | 2018-01-09 | 2018-07-03 | 广西真龙实业有限责任公司 | Strap stamp device |
| CN108391844A (en) * | 2018-03-16 | 2018-08-14 | 广东机电职业技术学院 | A kind of multi-functional 3D printer |
-
2013
- 2013-11-26 CN CN201320761855.7U patent/CN203622963U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103978691A (en) * | 2014-06-09 | 2014-08-13 | 余金文 | 3D (Three-Dimensional) printer based on rotation and continuous extrusion of threaded rod |
| CN104044272A (en) * | 2014-06-26 | 2014-09-17 | 中国矿业大学 | Portable 3D printer |
| WO2016019570A1 (en) * | 2014-08-08 | 2016-02-11 | 欧利速精密工业股份有限公司 | Vamp three-dimensional printing system |
| CN105584047A (en) * | 2015-12-29 | 2016-05-18 | 珠海市杜芬自动化科技有限公司 | Sliding guide device for printing head of 3D printing machine |
| CN105643936B (en) * | 2015-12-30 | 2018-04-06 | 博纳云智（天津）科技有限公司 | Full-color 3D printer |
| CN105643936A (en) * | 2015-12-30 | 2016-06-08 | 博纳云智（天津）科技有限公司 | Three-dimensional full-color printer |
| US10029307B2 (en) | 2016-05-10 | 2018-07-24 | Delavan Inc | Additive manufacturing build plates and handling |
| GB2550290A (en) * | 2016-05-10 | 2017-11-15 | Delavan Inc | Additive manufacturing build plates and handling |
| US10493526B2 (en) | 2016-05-10 | 2019-12-03 | Delavan Inc. | Additive manufacturing build plates and handling |
| US11059097B2 (en) | 2016-05-10 | 2021-07-13 | Delavan Inc. | Additive manufacturing build plates and handling |
| GB2550290B (en) * | 2016-05-10 | 2021-11-17 | Delavan Inc | Additive manufacturing build plates and handling |
| US11679435B2 (en) | 2016-05-10 | 2023-06-20 | Collins Engine Nozzles, Inc. | Additive manufacturing build plates and handling |
| CN107486987A (en) * | 2017-10-21 | 2017-12-19 | 长沙远达华信息科技有限公司 | A kind of Portable small 3D printer |
| CN108238316A (en) * | 2018-01-09 | 2018-07-03 | 广西真龙实业有限责任公司 | Strap stamp device |
| CN108391844A (en) * | 2018-03-16 | 2018-08-14 | 广东机电职业技术学院 | A kind of multi-functional 3D printer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20151126 |