CN210309080U - A heating bottom plate for 3D printer - Google Patents
A heating bottom plate for 3D printer Download PDFInfo
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- CN210309080U CN210309080U CN201920995532.1U CN201920995532U CN210309080U CN 210309080 U CN210309080 U CN 210309080U CN 201920995532 U CN201920995532 U CN 201920995532U CN 210309080 U CN210309080 U CN 210309080U
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Abstract
The utility model relates to the technical field of heating plates, in particular to a heating bottom plate for a 3D printer, which comprises an insulating heat-preservation coating, a metal foil etched with a heating circuit, an insulating heat-conducting adhesive layer and a high-temperature glass plate from bottom to top in sequence, wherein the insulating heat-preservation coating can well preserve heat and prevent heat from dissipating; the heating circuits are uniformly distributed and etched on the metal foil, so that the heat is uniform, and the temperature is well controlled; the insulating heat-conducting adhesive layer has the high-temperature-resistant characteristic, and the heat conductivity is high, can be fast and effectively evenly guide the heat generated by the heating circuit to the high-temperature glass plate, and the adhesive layer has excellent adhesive force, and can tightly bond the high-temperature glass plate and the metal foil etched with the heating circuit together. The utility model has the characteristics of less manufacturing procedures, thin thickness and low production cost, and also widens the use temperature range of the printer; the cracking, deformation and the like caused by the internal stress generated by the inconsistent thermal expansion coefficients of different materials of the heating plate are reduced, and the service life of the heating plate of the printer is prolonged.
Description
Technical Field
The utility model relates to a hot plate technical field especially relates to a heating bottom plate for 3D printer.
Background
A 3D printer, also known as a three-dimensional printer (3DP), is an accumulative manufacturing technique, i.e., a machine of a rapid prototyping technique, which manufactures a three-dimensional object by printing layers of an adhesive material using a special wax material, powdered metal or plastic, etc.
At present, a three-dimensional printer most commonly uses a technology called 'fused deposition molding', plastics are melted in a spray head in the whole process, then a thin layer is formed by depositing plastic fibers, commonly used raw materials mainly comprise acrylonitrile-styrene-butadiene copolymer (ABS) and polylactic acid (PLA), and due to the fact that the two materials are large in thermoplastic cold shrinkage coefficient, printed objects are prone to edge warping, and therefore the 3D printer can adopt a heating bottom plate as an object molding platform, and edge warping is avoided as far as possible. The requirements for such a heating sole plate are: the material has the advantages of good thermal conductivity, high heat resistance, smooth and flat surface, uniform heating temperature, high thermal conduction speed, long service life and the like.
The heating bottom plate that uses at present generally from the bottom up by heating circuit in proper order, the glue film, aluminum plate, heat conduction silica gel, the glass board passes through the screw fixation back and is connected fixedly with the printer elevating platform again, this kind of hot plate thickness is on the thick side, manufacturing process is many, high in manufacturing cost, and because aluminum plate and glass board coefficient of thermal expansion differ greatly, long-term heating can make the material produce the internal stress and lead to warping, the fracture etc. shorten the life of hot plate, thereby it is low to make hot plate temperature of use, the service temperature scope is narrow.
Disclosure of Invention
The utility model provides a heating bottom plate for 3D printer, it is simple to have manufacturing process, and manufacturing cost is lower, simultaneously, avoids leading to bottom plate deformation, fracture etc. because of long-term heating and cooling makes the material produce the internal stress, improves the life of hot plate, widens the service temperature range of bottom plate.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
a heated backplane for a 3D printer, comprising: a metal foil;
one side of the insulating heat-conducting adhesive layer is glued with one side of the metal foil;
the high-temperature glass plate is glued with the other side of the insulating heat-conducting adhesive layer and then is pressed with the metal foil;
and etching the other surface of the metal foil to form a heating circuit, and coating an insulating heat-preservation coating on the other surface of the metal foil.
Preferably, the heating soleplate further comprises: and the temperature controller is connected with the heating circuit.
Preferably, the metal foil is a copper foil.
Preferably, the insulating and heat-preserving coating is a high-temperature-resistant coating layer or an ink layer.
Preferably, a pigment is mixed in the high-temperature resistant coating layer or a pigment is mixed in the ink layer.
Preferably, the insulating and heat-conducting adhesive layer is a high-temperature-resistant resin layer.
Preferably, the high-temperature resistant resin layer is filled with a heat-conducting filler, and the heat-conducting filler is aluminum nitride, boron nitride, silicon nitride, aluminum oxide, silicon carbide, boron carbide, silicon oxide or talcum powder.
Preferably, the high temperature resistant resin layer is a polyimide resin layer, a silicone resin layer, a polyphenylene ether resin layer, a cyanate resin layer, an epoxy resin layer or a heat resistant polyester layer.
Preferably, the thickness of the high-temperature glass plate is 2mm-5 mm.
Preferably, the metal foil, the insulating heat-conducting adhesive layer, the high-temperature glass plate and the insulating heat-preserving coating layer are integrally mounted on a lifting table of the 3D printer after being laminated.
The utility model discloses a heating bottom plate for 3D printer sets up insulating heat preservation coating can prevent that the heat from scattering and disappearing, reaches to play fine heat preservation effect, will heating circuit evenly distributed ground is etched on the metal forming for the heat is even, and the last temperature control element of heating circuit can also realize the utility model discloses better temperature control effect, insulating glue guide layer has high temperature resistant, the high characteristic of heat conductivity, can be fast and evenly lead high temperature glass board with the heat that heating circuit produced effectively, and the glue film adhesion stress is excellent, can with high temperature glass board with the heating circuit layer closely bonds together. Compared with the prior art, the manufacturing process of the heating plate can be reduced, the thickness of the heating plate can be reduced, and the manufacturing cost can be saved; the use temperature range of the printer is widened; the cracking, the deformation and the like caused by the internal stress generated by the inconsistent thermal expansion coefficients of different materials of the heating plate are reduced, and the service life of the heating plate of the printer is further prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a heating bottom plate for a 3D printer according to the present invention.
Wherein, 1 is an insulating heat-preservation coating, 2 is a metal foil with one surface etched into a heating circuit, 3 is an insulating heat-conducting adhesive layer, and 4 is a high-temperature glass plate.
Detailed Description
The following embodiments of the present invention will be specifically explained with reference to the accompanying drawings, which are only used for reference and illustration, and do not limit the scope of the present invention.
Referring to fig. 1, the heating bottom plate for a 3D printer of the present invention sequentially includes, from bottom to top: an insulating heat-insulating coating 1, a metal foil 2 with one side etched into a heating circuit, an insulating heat-conducting adhesive layer 3, a high-temperature glass plate 4, and a temperature controller connected with the heating circuit, wherein the metal foil is preferably a copper foil, one side of the insulating heat-conducting layer 3 is adhered to one side of the copper foil through the adhesive layer, the high-temperature glass plate 4 is adhered to the insulating heat-conducting layer 3 and is pressed with the copper foil into a whole, the heating circuit is etched on the other side of the copper foil in an evenly distributed manner, the insulating heat-insulating layer is coated on the heating circuit and the other side of the copper foil, the metal foil 2, the insulating heat-conducting adhesive layer 3, the high-temperature glass plate 4 and the insulating heat-insulating coating 1 are pressed and then integrally mounted on a 3D printer lifting table, and further, the insulating heat-insulating coating 1, One side of the metal foil 2, the insulating heat-conducting adhesive layer 3 and the high-temperature glass plate 4 which are etched into the heating circuit are integrally fixed on a lifting table of the printer through screws. It should be noted that the temperature controller can be placed according to actual conditions.
Specifically, the insulating heat preservation coating 1 is a high temperature resistant coating layer or an ink layer, the high temperature coating layer and the ink layer are physically mixed with pigment, the insulating protection layer 1 can also be a mixed layer formed by physically mixing high temperature resistant coating, ink and pigment, the heating circuit is uniformly etched on the copper foil, a temperature control element is arranged on the heating circuit and is connected with a control circuit of a 3D printer through a temperature control system, the temperature of the heating bottom plate can be fed back to the control circuit of the 3D printer to control the temperature, the edge warping phenomenon of the material is reduced, the printing quality is improved, the insulating heat conduction adhesive layer 3 is a high temperature resistant resin layer, the high temperature resistant resin layer is filled with heat conduction filler, and the heat conduction filler is aluminum nitride, boron nitride, silicon nitride, aluminum oxide, silicon carbide, boron carbide, The heat conducting filler can also be a mixture of aluminum nitride, boron nitride, silicon nitride, aluminum oxide, silicon carbide, boron carbide, silicon oxide and talcum powder, the high-temperature resistant resin layer can be a polyimide resin layer, a silicone resin layer, a polyphenyl ether resin layer, a cyanate ester resin layer, an epoxy resin layer or a heat-resistant polyester layer, the high-temperature resistant resin layer can also be a mixture of polyimide resin, silicone resin, polyphenyl ether resin, cyanate ester resin, epoxy resin and heat-resistant polyester, and the thickness of the high-temperature glass plate 4 is 2mm-5mm, preferably 4mm in the embodiment.
A heating bottom plate for 3D printer of above-mentioned description will heating circuit etches uniformly is in on the copper foil, is connected with the control circuit on the 3D printer during use again, makes the utility model discloses have accurate accuse temperature ability, and then reduced the phenomenon that the material sticks up the limit, promoted printing quality, insulating heat-conducting glue film 3 has the characteristic of high temperature resistant and high thermal conductivity, can be fast and effectively will the even direction of heat that heating circuit produced high temperature glass board compares with prior art, the utility model discloses it is less to have production processes, effectively practices thrift manufacturing cost, simultaneously, has still avoided the internal stress that different material thermal expansion coefficients inconsistent produce and the fracture that leads to, warp etc. and then has improved the life of printer.
The above disclosure is only for the preferred embodiments of the present invention, and the scope of the present invention should not be limited thereby, and the scope of the present invention is not intended to be limited thereby.
Claims (8)
1. A heating baseplate for a 3D printer, comprising:
a metal foil;
one side of the insulating heat-conducting adhesive layer is glued with one side of the metal foil;
the high-temperature glass plate is glued with the other side of the insulating heat-conducting adhesive layer and then is pressed with the metal foil;
and etching the other surface of the metal foil to form a heating circuit, and coating an insulating heat-preservation coating on the other surface of the metal foil.
2. The heated backplane for a 3D printer of claim 1, wherein the heated backplane further comprises: and the temperature controller is connected with the heating circuit.
3. The heated platen for a 3D printer of claim 1, wherein the metal foil is a copper foil.
4. The heating base plate for the 3D printer according to claim 1, wherein the insulating thermal-insulating coating is a high-temperature-resistant coating layer or an ink layer.
5. The heating base plate for a 3D printer according to claim 1, wherein the insulating heat transfer adhesive layer is a high temperature resistant resin layer.
6. The heating soleplate for a 3D printer according to claim 5, wherein the high-temperature resistant resin layer is filled with a heat-conducting filler, and the heat-conducting filler is aluminum nitride, boron nitride, silicon nitride, aluminum oxide, silicon carbide, boron carbide, silicon oxide or talcum powder.
7. The heating mat for a 3D printer according to claim 5 or 6, wherein the high temperature resistant resin layer is a polyimide resin layer, a silicone resin layer, a polyphenylene ether resin layer, a cyanate ester resin layer, an epoxy resin layer, or a heat resistant polyester layer.
8. The heated backplane for a 3D printer of claim 1, wherein the high temperature glass sheet has a thickness of 2mm to 5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995532.1U CN210309080U (en) | 2019-06-28 | 2019-06-28 | A heating bottom plate for 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995532.1U CN210309080U (en) | 2019-06-28 | 2019-06-28 | A heating bottom plate for 3D printer |
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| Publication Number | Publication Date |
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| CN210309080U true CN210309080U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920995532.1U Active CN210309080U (en) | 2019-06-28 | 2019-06-28 | A heating bottom plate for 3D printer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571798A (en) * | 2020-12-24 | 2021-03-30 | 华中科技大学 | Quick ultra-high temperature heating device of 3D printing powder bed |
| CN112642683A (en) * | 2020-12-24 | 2021-04-13 | 蒋明成 | Method for spraying glass 3D printer panel based on PEI powder |
| CN113072683A (en) * | 2021-04-12 | 2021-07-06 | 杭州安誉科技有限公司 | Composite material heating plate for real-time fluorescent quantitative PCR instrument |
-
2019
- 2019-06-28 CN CN201920995532.1U patent/CN210309080U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571798A (en) * | 2020-12-24 | 2021-03-30 | 华中科技大学 | Quick ultra-high temperature heating device of 3D printing powder bed |
| CN112642683A (en) * | 2020-12-24 | 2021-04-13 | 蒋明成 | Method for spraying glass 3D printer panel based on PEI powder |
| CN113072683A (en) * | 2021-04-12 | 2021-07-06 | 杭州安誉科技有限公司 | Composite material heating plate for real-time fluorescent quantitative PCR instrument |
| CN113072683B (en) * | 2021-04-12 | 2022-04-12 | 杭州安誉科技有限公司 | Composite material heating plate for real-time fluorescent quantitative PCR instrument |
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