CN112793157A - 3D printer that polychrome gradient was printed - Google Patents
3D printer that polychrome gradient was printed Download PDFInfo
- Publication number
- CN112793157A CN112793157A CN202011417544.XA CN202011417544A CN112793157A CN 112793157 A CN112793157 A CN 112793157A CN 202011417544 A CN202011417544 A CN 202011417544A CN 112793157 A CN112793157 A CN 112793157A
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- Prior art keywords
- printing
- feeding channel
- printer
- scraper
- base
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
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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
- B29C64/205—Means for applying layers
- B29C64/214—Doctor blades
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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
- B29C64/295—Heating elements
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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
- B29C64/30—Auxiliary operations or equipment
- B29C64/307—Handling of material to be used in additive manufacturing
- B29C64/321—Feeding
- B29C64/336—Feeding of two or more materials
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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
-
- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
Abstract
The invention discloses a 3D printer for multicolor gradient printing, which comprises a printing base, a charging barrel, a lifting plate, a first scraper and a second scraper, wherein the printing base is provided with a discharging port, at least two charging barrels are arranged below the discharging port in a sliding manner, and different charging barrels can be selectively connected with the discharging port. This scheme is through holding the printing material of different colours in the feed cylinder of difference, can make the product of printing the completion have multicolour gradient promptly, need not to color in addition.
Description
Technical Field
The invention relates to the field of additive manufacturing, in particular to a 3D printer for multicolor gradient printing.
Background
The existing 3D printer can realize printing of various materials, but the color of a printed product can only be the color of a printed basic material, and when certain color requirements are required on the appearance of the product, the product can only be additionally colored after the printing is finished.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a 3D printer for multicolor gradient printing, which can realize printing of products with multicolor gradients.
The 3D printer for multicolor gradient printing comprises a printing base, wherein the printing base is provided with a feeding channel and a forming cavity, the feeding channel is horizontally arranged and penetrates through two ends of the printing base, the top of the feeding channel is provided with a discharging hole communicated with the upper end face of the printing base, one side of the feeding channel is provided with the forming cavity, and the side wall of the forming cavity vertically extends to the upper end face of the printing base; the feeding channel is arranged in the feeding channel, the feeding channel is provided with at least two material cylinders, the material cylinders can slide to the lower part of the discharge port and are mutually communicated with the discharge port, and the material cylinders are used for containing printing materials and extruding the printing materials out of the discharge port; the lifting plate is vertically and slidably arranged in the forming cavity, and the side edge of the lifting plate is abutted with the side wall of the forming cavity; the first scraper is arranged above the discharge port and the forming cavity in a sliding manner and is used for scraping the printing material extruded from the discharge port onto the lifting plate; the second scraper is arranged above the forming cavity in a sliding mode, the moving direction of the second scraper is perpendicular to the moving direction of the first scraper, and the second scraper stretches across the opening of the forming cavity; and the printing head is arranged above the molding cavity in a sliding mode and is used for solidifying the printing material.
The 3D printer for multicolor gradient printing provided by the embodiment of the invention at least has the following beneficial effects: set up the pay-off passageway, set up at least two can be in its inside gliding feed cylinder in the pay-off passageway, make any feed cylinder homoenergetic slide to the below of discharge gate, when the printing material of different colours is equipped with in the feed cylinder of difference, can slide to the below of discharge gate according to the feed cylinder that the colour demand that the product need not be layered will be equipped with the printing material of corresponding colour, the printing material fine discharge gate of the colour that makes need use is extruded, and on the lifter plate of shaping intracavity is evenly tiled through first scraper and second scraper, so can realize that the finished product of printing completion has the multicolour gradient.
According to some embodiments of the invention, a piston is arranged in the material cylinder, a first through hole is arranged at the bottom of the material cylinder, a jacking piece is arranged at the bottom of the feeding channel, the jacking piece can penetrate through the first through hole and is abutted against the piston, and the jacking piece is used for jacking the piston.
According to some embodiments of the invention, a feed cylinder base, a roller, a belt and a motor are arranged in the feeding channel, the feed cylinder base is provided with at least two feed cylinder fixing cavities, the feed cylinder fixing cavities are used for fixing the bottom of a feed cylinder, the bottom of the feed cylinder fixing cavities is provided with a second through hole, a jacking piece is arranged in the second through hole in a penetrating manner, the belt is sleeved on the roller, the motor is connected with the roller, the motor is used for driving the belt to move around the roller, the belt and the motor are respectively provided with two groups and are respectively positioned on two opposite side walls of the feeding channel, the feed cylinder base is fixed on the belt, and the belt is used for driving.
According to some embodiments of the invention, the side wall of the cartridge is provided with a heat conducting layer, a first insulating layer, a heating layer, a second insulating layer and a heat insulating layer in sequence from inside to outside, the heat conducting layer is made of pure aluminum, and the first insulating layer and the second insulating layer are made of mica.
According to some embodiments of the invention, the heating layer comprises a plurality of heating units, which are connected end to end in sequence to form a cylindrical heating layer.
According to some embodiments of the invention, the heating unit comprises an insulating sheet and a resistance wire, the insulating sheet is arranged in an arc shape, clamping protrusions and clamping grooves are respectively arranged on two sides of the end portion of the insulating sheet, the clamping protrusions on the adjacent side edges of the adjacent insulating sheets are fixedly arranged in the clamping grooves, and the resistance wire is wound on the insulating sheet.
According to some embodiments of the invention, the resistance wires on different insulating sheets are all separately electrically connected to an external power source.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a top view of a printing base of a multi-color gradient printed 3D printer according to an embodiment of the invention;
FIG. 2 is a cross-sectional view of the multi-color gradient printed 3D printer shown in FIG. 1;
FIG. 3 is a schematic view of a cartridge and cartridge mount of the multi-color gradient printed 3D printer shown in FIG. 2;
FIG. 4 is a cross-sectional view in the horizontal direction of a cartridge of the multi-color gradient printed 3D printer shown in FIG. 2;
FIG. 5 is a cross-sectional view of an insulating sheet of the multi-color gradient printed 3D printer shown in FIG. 4;
fig. 6 is a schematic diagram of the insulation sheets and the resistance wires of the multi-color gradient printed 3D printer shown in fig. 4.
Reference numerals:
The charging barrel 200, the piston 210, the first through hole 211, the heat conduction layer 220, the first insulation layer 230, the heating layer 240, the insulation sheet 241, the clamping protrusion 2411, the clamping groove 2412, the resistance wire 242, the second insulation layer 250, the heat preservation layer 260, the heat insulation layer,
A jacking piece 300,
A lifting plate 400,
A first scraper 500,
A second blade 600.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, a 3D printer for color gradient according to an embodiment of the present invention includes a printing base 100, a cartridge 200, a lifting plate 400, a first blade 500, a second blade 600, and a printing head. The printing base 100 is provided with a feeding channel 110 and a molding cavity 120, wherein the feeding channel 110 is horizontally arranged in the middle of the printing base 100 and penetrates through two ends of the printing base 100. A discharge port 130 is arranged above the feeding channel 110, and the discharge port 130 is communicated with the feeding channel 110 and the upper end surface of the printing base 100. At least two material cylinders 200 are slidably disposed in the feeding channel 110, and the at least two material cylinders 200 can respectively slide to the lower part of the discharge port 130, so that the material cylinders 200 are connected with the discharge port 130. The forming cavity 120 is disposed at one side of the feeding passage 110, a sidewall of the forming cavity 120 is disposed vertically, and the sidewall of the forming cavity 120 extends to an upper end surface of the printing base 100 to form an opening. A lifting plate 400 is arranged in the molding cavity 120, the lifting plate 400 can vertically slide in the molding cavity 120, and the side edge of the lifting plate 400 is abutted against the inner side wall of the molding cavity 120. The upper end face of the printing base 100 is provided with a first scraper 500 and a second scraper 600 in a sliding manner, the first scraper 500 is positioned above the discharge port 130 and the molding cavity 120 and can slide between the discharge port 130 and the molding cavity 120, and when the printing material in the charging barrel 200 is extruded from the discharge port 130, the first scraper 500 scrapes the printing material in the discharge port 130 onto the lifting plate 400 in the molding cavity 120; the moving direction of the second scraper 600 is perpendicular to the moving direction of the first scraper 500, the second scraper 600 slides between the two opposite side edges of the lifting plate 400, the length of the second scraper 600 is greater than that of the first scraper 500, and the two ends of the second scraper 600 cross the opening of the forming cavity 120, and when the first scraper 500 scrapes a layer of printing material onto the lifting plate 400, the second scraper 600 slides above the lifting plate 400, so that the printing material is flatly laid on the lifting plate 400. The printing head is slidably disposed above the printing base 100, and when the second scraper 600 scrapes the printing material to make the printing material spread on the lifting plate 400, the printing head solidifies the printing material by sintering or dropping glue. After the curing of one layer of the printing material is completed, the lifting plate 400 is lowered, the cartridge 200 extrudes the printing material through the discharge port 130 again, and the printing material is spread on the lifting plate 400 by the first scraper 500 and the second scraper 600, and the printing material is continuously cured by the printing head. And continuing to execute the steps to finish the printing of the product.
The printing materials with different colors are contained in different material cylinders 200, in the process of printing products, when different colors are needed in different layers of the products, the different material cylinders 200 are made to slide to the lower part of the discharge port 130 and are communicated with the discharge port 130, the printing materials in the material cylinders 200 are extruded out and spread on the lifting plate 400 by the first scraper 500 and the second scraper 600, and finally the printing materials are solidified by the printing heads. By such arrangement, which color of printing material is required, the cartridge 200 containing the printing material of the color is slid to the lower part of the discharge port 130, and printing of a product with a multi-color gradient can be realized.
Referring to fig. 2, according to some embodiments of the present invention, a piston 210 is disposed in a cartridge 200, a first through hole 211 is disposed at the bottom of the cartridge 200, a lift member 300 is disposed at the bottom of the feeding passage 110, the lift member 300 can pass through the first through hole 211 and abut against the piston 210, and the lift member 300 is used for lifting the piston 210. The jack 300 is provided in a rod shape, and the jack 300 is vertically provided and can move in a vertical direction. When the cartridge 200 is slid to the lower side of the discharge port 130, the lifter 300 moves upward to lift the piston 210 in the cartridge 200, so that the printing material can be extruded from the discharge port 130 through the piston 210 in the cartridge 200. When the cartridge 200 needs to slide out from the lower side of the discharge port 130, the lifting rod 300 slides out from the first through hole 211, and the cartridge 200 is removed from the lower side of the discharge port 130.
Referring to fig. 2, according to some embodiments of the present invention, a cartridge base 111, a roller 112, a belt 113 and a motor are disposed in the feeding channel 110, the cartridge base 111 is provided with at least two cartridge fixing cavities, the cartridge fixing cavities are used for fixing the bottom of the cartridge 200, the bottom of the cartridge fixing cavities is provided with a second through hole 1111, the jacking member 300 is inserted into the second through hole 1111, the belt 113 is sleeved on the roller 112, the motor is connected with the roller 112, the motor is used for driving the belt 113 to move around the roller 112, the belt 113 and the motor are respectively provided with two sets and respectively located on two opposite side walls of the feeding channel 110, the cartridge base 111 is fixed on the belt 113, and the belt 113 is used for driving the cartridge base 111 to move below the discharge port 130. Through so setting up, can utilize the motor to pass through gyro wheel 112 and belt 113 and drive the feed cylinder 200 of placing on feed cylinder base 111 and move, realize feed cylinder 200's switching through the corotation of motor and reversal simultaneously.
Referring to fig. 3, according to some embodiments of the present invention, the side walls of the cartridge 200 are sequentially provided, from inside to outside, as a heat conduction layer 220, a first insulation layer 230, a heating layer 240, a second insulation layer 250, and an insulation layer 260, the heat conduction layer 220 being pure aluminum, and the first insulation layer 230 and the second insulation layer 250 being mica. The advantage of adopting pure aluminium as heat-conducting layer 220 is that its density is lower, can make it slide with less moment, and it has good heat conductivility, can make the temperature of the printing material who holds different positions in feed cylinder 200 unanimous, can avoid the performance inequality at the different positions of the product after printing. Mica is used as the first insulating layer 230 and the second insulating layer 250, so that the heating layer 240 can be isolated from the heat conducting layer 220 and the heat insulating layer 260, and the heating layer 240 is prevented from generating electric leakage. The insulating layer 260 is provided to prevent excessive heat from leaking, save heat energy, and prevent damage to human body due to high temperature.
Referring to fig. 4, according to some embodiments of the present invention, the heating layer 240 includes a plurality of heating units that are sequentially connected end-to-end to form the cylindrical heating layer 240. By arranging a plurality of heating units connected end to end, all parts of the innermost pure aluminum heat conduction layer 220 can be heated in an all-around manner, and the preheating speed of the printing material in the charging barrel 200 is increased. Meanwhile, the heating layer 240 is composed of end-to-end heating units, so that the heating layer is convenient to maintain and replace.
Referring to fig. 5 and 6, according to some embodiments of the present invention, the heating unit includes an insulating sheet 241 and a resistance wire 242, the insulating sheet 241 is configured in an arc shape, two sides of an end portion of the insulating sheet 241 are respectively provided with a clamping protrusion 2411 and a clamping groove 2412, the clamping protrusion 2411 of adjacent sides of the adjacent insulating sheet 241 is fixedly disposed in the clamping groove 2412, and the resistance wire 242 is wound on the insulating sheet 241. The third insulating plate is formed in an arc shape, so that the plurality of heating units can be formed in a cylindrical shape after being connected to each other. Meanwhile, two sides of the end of the insulating sheet 241 are respectively provided with a clamping protrusion 2411 and a clamping groove 2412, and adjacent sides of the adjacent insulating sheets 241 are respectively provided with a clamping protrusion 2411 and a clamping groove 2412. The resistance wire 242 is wound around the insulating sheet 241 along the length direction of the insulating sheet 241 and is located between the clamping protrusions 2411 at the two ends of the insulating sheet 241. Through such setting, with adjacent joint protruding 2411 set firmly in joint groove 2412, can improve adjacent heating element's joint strength. Meanwhile, when the heating unit needs to be replaced or maintained, the heating unit can be separately withdrawn and a new heating unit can be inserted.
According to some embodiments of the present invention, the resistance wires 242 on different insulation sheets 241 are all separately electrically connected to an external power source. The resistance wires 242 on different insulation sheets 241 are individually electrically connected with an external power supply, so that individual control of different heating units can be realized, and the heating units in different quantities and different positions can be switched on and off according to the heating speed and the temperature to be maintained.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. A3D printer for multi-color gradient printing, comprising:
the printing device comprises a printing base, wherein the printing base is provided with a feeding channel and a forming cavity, the feeding channel is horizontally arranged and penetrates through two ends of the printing base, a discharge hole communicated with the upper end surface of the printing base is formed in the top of the feeding channel, the forming cavity is formed in one side of the feeding channel, and the side wall of the forming cavity vertically extends to the upper end surface of the printing base;
the feeding channel is arranged in the feeding channel, the feeding channel is provided with at least two material cylinders, the material cylinders can slide to the lower part of the discharging port and are mutually communicated with the discharging port, and the material cylinders are used for containing printing materials and extruding the printing materials out of the discharging port;
the lifting plate is vertically and slidably arranged in the forming cavity, and the side edge of the lifting plate is abutted against the side wall of the forming cavity;
the first scraper is arranged above the discharge port and the forming cavity in a sliding mode and is used for scraping the printing material extruded from the discharge port onto the lifting plate;
the second scraper is arranged above the forming cavity in a sliding mode, the moving direction of the second scraper is perpendicular to the moving direction of the first scraper, and the second scraper spans the opening of the forming cavity;
the printing head is arranged above the molding cavity in a sliding mode and used for solidifying the printing material.
2. The 3D printer of multicolor gradient printing according to claim 1, wherein a piston is arranged in the feed cylinder, a first through hole is arranged at the bottom of the feed cylinder, a jacking piece is arranged at the bottom of the feed channel, the jacking piece can penetrate through the first through hole and is abutted against the piston, and the jacking piece is used for jacking the piston.
3. A3D printer for multi-color gradient printing according to claim 2, the feeding channel is internally provided with a charging barrel base, a roller, a belt and a motor, the charging barrel base is provided with at least two charging barrel fixing cavities, the charging barrel fixing cavity is used for fixing the bottom of the charging barrel, a second through hole is arranged at the bottom of the charging barrel fixing cavity, the jacking piece is arranged in the second through hole in a penetrating way, the belt is sleeved on the roller, the motor is connected with the roller, the motor is used for driving the belt to move around the roller, the belt and the motor are respectively provided with two groups and are respectively positioned on two opposite side walls of the feeding channel, the feed cylinder base is fixed in on the belt, the belt is used for driving the feed cylinder base is in the below motion of discharge gate.
4. The 3D printer of multicolor gradient printing according to claim 1, characterized in that the side wall of the charging barrel is sequentially provided with a heat conduction layer, a first insulating layer, a heating layer, a second insulating layer and a heat preservation layer from inside to outside, the heat conduction layer is pure aluminum, and the first insulating layer and the second insulating layer are mica.
5. The multi-color gradient printed 3D printer according to claim 4, wherein the heating layer comprises a plurality of heating units, which are connected end to end in sequence to form the cylindrical heating layer.
6. The 3D printer of multicolor gradient printing according to claim 5, wherein the heating unit comprises an insulating sheet and a resistance wire, the insulating sheet is arc-shaped, clamping protrusions and clamping grooves are respectively arranged on two sides of the end portion of the insulating sheet, the clamping protrusions adjacent to the adjacent side edges of the insulating sheet are fixedly arranged in the clamping grooves, and the resistance wire is wound on the insulating sheet.
7. The multi-color gradient printed 3D printer of claim 6, wherein the resistance wires on different insulating sheets are individually electrically connected to an external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417544.XA CN112793157A (en) | 2020-12-07 | 2020-12-07 | 3D printer that polychrome gradient was printed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011417544.XA CN112793157A (en) | 2020-12-07 | 2020-12-07 | 3D printer that polychrome gradient was printed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112793157A true CN112793157A (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011417544.XA Pending CN112793157A (en) | 2020-12-07 | 2020-12-07 | 3D printer that polychrome gradient was printed |
Country Status (1)
| Country | Link |
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| CN (1) | CN112793157A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207290960U (en) * | 2017-06-15 | 2018-05-01 | 董旭宸 | Colorful 3D printing pen |
| CN108454096A (en) * | 2018-05-04 | 2018-08-28 | 吴江中瑞机电科技有限公司 | 3D printing feed device for creamy material |
-
2020
- 2020-12-07 CN CN202011417544.XA patent/CN112793157A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207290960U (en) * | 2017-06-15 | 2018-05-01 | 董旭宸 | Colorful 3D printing pen |
| CN108454096A (en) * | 2018-05-04 | 2018-08-28 | 吴江中瑞机电科技有限公司 | 3D printing feed device for creamy material |
Non-Patent Citations (2)
| Title |
|---|
| 周正军等: "《工业机器人工装设计》", 31 July 2017, 北京理工大学出版社 * |
| 胡建: "《3D打印基础实务》", 31 July 2019, 重庆大学出版社 * |
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Application publication date: 20210514 |
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