CN111823574A - Be applied to automatic leveling sensor of 3D printer - Google Patents
Be applied to automatic leveling sensor of 3D printer Download PDFInfo
- Publication number
- CN111823574A CN111823574A CN202010574511.XA CN202010574511A CN111823574A CN 111823574 A CN111823574 A CN 111823574A CN 202010574511 A CN202010574511 A CN 202010574511A CN 111823574 A CN111823574 A CN 111823574A
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- China
- Prior art keywords
- iron probe
- iron
- probe
- printer
- shell
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Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 168
- 229910052742 iron Inorganic materials 0.000 claims abstract description 84
- 239000000523 sample Substances 0.000 claims abstract description 84
- 238000007639 printing Methods 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001846 repelling effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
Images
Classifications
-
- 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
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/118—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using filamentary material being melted, e.g. fused deposition modelling [FDM]
-
- 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
- B29C64/386—Data acquisition or data processing for additive manufacturing
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
Abstract
An automatic leveling sensor applied to a 3D printer relates to the technical field of 3D printers and comprises a shell, a permanent magnet, an iron probe and a pressure sensor; the permanent magnet is arranged at the top in the shell, an iron probe which is vertically arranged is connected below the permanent magnet in the shell in a sliding mode, and the bottom of the iron probe extends out of the shell; the upper part of the iron probe needle body is sleeved with an electromagnetic coil which can enable the iron probe to generate electromagnetic force, an annular boss is arranged at the position, corresponding to the bottom in the shell, of the iron probe needle body, and a pressure sensor is arranged on the end face of the bottom end of the iron probe; the invention effectively solves the problems that the existing leveling sensor is easily influenced by environmental factors and has poor reliability.
Description
Technical Field
The invention relates to the technical field of 3D printers, in particular to an automatic leveling sensor applied to a 3D printer.
Background
As is known, a 3D printer, also called a three-dimensional printer, is an accumulative manufacturing technology, i.e., a machine of a rapid prototyping technology, and is based on a digital model file, and a three-dimensional object is manufactured by printing a layer of adhesive material layer by using an adhesive material such as a special wax material, a powdered metal or plastic, etc., wherein the maintenance of the level of a printing platform is crucial to 3D printing, and particularly for a 3D printing process of an FDM fused deposition modeling technology characterized by layer-by-layer accumulation, the levelness of the printing platform directly determines the success or failure of a first layer, i.e., determines the success or failure of the entire printing; most adopt laser distance sensor to measure the three not collinear point of print platform in proper order among the prior art and judge print platform's levelness, but current laser distance sensor poor stability receives external environment's interference easily, and this kind of phenomenon is the problem that technical staff in the field awaited a urgent need to solve.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses an automatic leveling sensor applied to a 3D printer.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic leveling sensor applied to a 3D printer comprises a shell, a permanent magnet, an iron probe and a pressure sensor; the permanent magnet is arranged at the top in the shell, an iron probe which is vertically arranged is connected below the permanent magnet in the shell in a sliding mode, and the bottom of the iron probe extends out of the shell; the iron probe needle body upper portion cover is equipped with the solenoid that can make the iron probe produce the electromagnetic force, and iron probe needle body corresponds the casing bottom position and is equipped with annular boss, and iron probe bottom terminal surface is equipped with pressure sensor.
Preferably, the electromagnetic coil is electrified in the positive direction, the top of the iron probe generates electromagnetic force repelling with the permanent magnet, the iron probe moves downwards under the action of the electromagnetic force and self gravity, so that the iron probe is separated from the permanent magnet, and the bottom end face of the iron probe is lower than the printing nozzle of the 3D printer and starts to detect; when the bottom end of the iron probe contacts the 3D printer hot bed, the pressure sensor triggers, the position of the 3D printer hot bed platform is recorded, and the levelness of the 3D printer hot bed can be judged by sequentially detecting three non-collinear points of the 3D printer hot bed; when the detection is finished, the electromagnetic coil is electrified reversely, the top of the iron probe generates electromagnetic force which is attracted with the permanent magnet, and the iron probe moves upwards, so that the bottom of the iron probe is higher than the printing nozzle, and finally the iron probe is firmly attracted by the permanent magnet.
Preferably, a partition board capable of enabling the iron probe to movably penetrate through is arranged above the annular boss in the shell, and the spring is sleeved on the needle body of the iron probe, which corresponds to the space between the annular boss and the partition board.
Preferably, the bottom in the shell is provided with a rubber ring corresponding to the annular boss.
Preferably, the pressure sensor is a membrane pressure switch.
Preferably, the iron probe and the shell are correspondingly connected in a sliding mode through a sliding bearing.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
the automatic leveling sensor applied to the 3D printer is simple in structure, easy to assemble and low in production cost; the upper part of the iron probe needle body is sleeved with an electromagnetic coil which can enable the iron probe to generate electromagnetic force, an annular boss is arranged at the position, corresponding to the bottom in the shell, of the iron probe needle body, and a pressure sensor is arranged on the end face of the bottom end of the iron probe; during detection, the shell is arranged on one side of a printing nozzle of the 3D printer, the electromagnetic coil is electrified in the forward direction, the top of the iron probe generates electromagnetic force which is repelled from the permanent magnet, the iron probe moves downwards under the action of the electromagnetic force and self gravity, so that the iron probe is separated from the permanent magnet, and the bottom end face of the iron probe is lower than the height of the printing nozzle of the 3D printer, and detection can be started; the Z shaft of the 3D printer moves downwards to drive the iron probe to move downwards, when the bottom end of the iron probe contacts the 3D printer hot bed, the pressure sensor triggers to record the position of a 3D printer hot bed platform, and the levelness of the 3D printer hot bed can be judged by sequentially detecting three non-collinear points of the 3D printer hot bed; the detection precision is high, the performance is reliable, and the interference of environmental factors is not easy to happen.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a housing; 2. a permanent magnet; 3. an iron probe; 4. a pressure sensor; 5. an electromagnetic coil; 6. an annular boss; 7. a partition plate; 8. a spring; 9. a rubber ring.
Detailed Description
The present invention will be explained in detail by the following examples, which are disclosed for the purpose of protecting all technical improvements within the scope of the present invention.
With reference to fig. 1, an automatic leveling sensor applied to a 3D printer includes a housing 1, a permanent magnet 2, an iron probe 3, and a pressure sensor 4; a permanent magnet 2 is arranged at the top in the shell 1, an iron probe 3 which is vertically arranged is connected below the permanent magnet 2 in the shell 1 in a sliding manner, and the bottom of the iron probe 3 extends out of the shell 1; according to the requirement, the iron probe 3 is correspondingly and slidably connected with the shell 1 through the sliding bearing, so that the iron probe 3 can be effectively prevented from being accidentally stuck; the upper part of the needle body of the iron probe 3 is sleeved with an electromagnetic coil 5 which can enable the iron probe 3 to generate electromagnetic force, the needle body of the iron probe 3 is provided with an annular boss 6 corresponding to the bottom part in the shell 1, and the end face of the bottom end of the iron probe 3 is provided with a pressure sensor 4; according to the requirement, the pressure sensor 4 is a membrane pressure switch; during detection, the shell 1 is installed on one side of a printing nozzle of the 3D printer, the electromagnetic coil 5 is electrified in the forward direction, the top of the iron probe 3 generates electromagnetic force repelling with the permanent magnet 2, the iron probe 3 moves downwards under the action of the electromagnetic force and self gravity, so that the iron probe 3 is separated from the permanent magnet 2, and the bottom end face of the iron probe 3 is lower than the height of the printing nozzle of the 3D printer, and detection can be started; the Z axis of the 3D printer moves downwards to drive the iron probe 3 to move downwards, when the bottom end of the iron probe 3 contacts a hot bed of the 3D printer, the pressure sensor 4 is triggered to record the position of a platform of the hot bed of the 3D printer, and the levelness of the hot bed of the 3D printer can be judged by sequentially detecting three non-collinear points of the hot bed of the 3D printer; when the detection is finished, the electromagnetic coil 5 is electrified reversely, the top of the iron probe 3 generates electromagnetic force attracted with the permanent magnet 2, the iron probe 3 moves upwards, so that the bottom of the iron probe 3 is higher than the printing nozzle, finally, the iron probe 3 is firmly attracted by the permanent magnet 2, and the 3D printer can start printing operation;
in addition, a partition plate 7 capable of enabling the iron probe 3 to movably penetrate through is arranged above the annular boss 6 in the shell 1, and a spring 8 is sleeved on a needle body between the annular boss 6 and the partition plate 7 corresponding to the iron probe 3, namely when detection is completed, the electromagnetic coil 5 is electrified reversely, electromagnetic force attracted with the permanent magnet 2 is generated at the top of the iron probe 3, the iron probe 3 moves upwards, the spring 8 can play a good buffering role in the process that the iron probe 3 moves upwards, and the iron probe 3 is prevented from violently impacting the permanent magnet 2 to damage the permanent magnet 2; the bottom is equipped with the rubber circle 9 corresponding with annular boss 6 in the casing 1, and rubber circle 9 can play the cushioning effect equally promptly, can avoid iron probe 3 to move down and make annular boss 6 and the bottom produce violent striking in the casing 1.
When the automatic leveling sensor applied to the 3D printer is implemented, the shell 1 is arranged on one side of a printing spray head of the 3D printer when the automatic leveling sensor is used, the bottom end face of the iron probe 3 is higher than the height of the printing spray head of the 3D printer when in an initial state, and the bottom end face of the iron probe 3 is lower than the height of the printing spray head of the 3D printer when in detection.
The present invention is not described in detail in the prior art.
Claims (6)
1. The utility model provides an automatic leveling sensor for 3D printer which characterized by: the device comprises a shell (1), a permanent magnet (2), an iron probe (3) and a pressure sensor (4); a permanent magnet (2) is arranged at the top in the shell (1), an iron probe (3) which is vertically arranged is connected below the permanent magnet (2) in the shell (1) in a sliding manner, and the bottom of the iron probe (3) extends out of the shell (1); iron probe (3) needle body upper portion cover is equipped with solenoid (5) that can make iron probe (3) produce the electromagnetic force, and iron probe (3) needle body corresponds bottom position in casing (1) and is equipped with annular boss (6), and iron probe (3) bottom terminal surface is equipped with pressure sensor (4).
2. The auto-leveling sensor applied to the 3D printer according to claim 1, wherein the detection method is as follows: the electromagnetic coil (5) is electrified in the forward direction, the top of the iron probe (3) generates electromagnetic force which is repulsive to the permanent magnet (2), the iron probe (3) moves downwards under the action of the electromagnetic force and self gravity, so that the iron probe (3) is separated from the permanent magnet (2), and the bottom end face of the iron probe (3) is lower than the height of a printing nozzle of the 3D printer to start detection; when the bottom end of the iron probe (3) contacts the 3D printer hot bed, the pressure sensor (4) is triggered to record the position of a 3D printer hot bed platform, and the levelness of the 3D printer hot bed can be judged by sequentially detecting three non-collinear points of the 3D printer hot bed; when the detection is finished, the electromagnetic coil (5) is electrified reversely, the top of the iron probe (3) generates electromagnetic force which is attracted with the permanent magnet (2), and the iron probe (3) moves upwards, so that the bottom of the iron probe (3) is higher than the height of the printing nozzle, and finally the iron probe (3) is firmly attracted by the permanent magnet (2).
3. The auto-leveling sensor applied to the 3D printer according to claim 1, wherein: the upper portion of the shell (1) corresponding to the annular boss (6) is provided with a partition plate (7) which can enable the iron probe (3) to movably penetrate through, and the needle body sleeve of the iron probe (3) corresponding to the space between the annular boss (6) and the partition plate (7) is provided with a spring (8).
4. The auto-leveling sensor applied to the 3D printer according to claim 1, wherein: the bottom in the shell (1) is provided with a rubber ring (9) corresponding to the annular boss (6).
5. The auto-leveling sensor applied to the 3D printer according to claim 1, wherein: the pressure sensor (4) is a membrane pressure switch.
6. The auto-leveling sensor applied to the 3D printer according to claim 1, wherein: the iron probe (3) is correspondingly connected with the shell (1) in a sliding mode through a sliding bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010574511.XA CN111823574A (en) | 2020-06-22 | 2020-06-22 | Be applied to automatic leveling sensor of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010574511.XA CN111823574A (en) | 2020-06-22 | 2020-06-22 | Be applied to automatic leveling sensor of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111823574A true CN111823574A (en) | 2020-10-27 |
Family
ID=72898252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010574511.XA Pending CN111823574A (en) | 2020-06-22 | 2020-06-22 | Be applied to automatic leveling sensor of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111823574A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757631A (en) * | 2020-12-21 | 2021-05-07 | 深圳市创想三维科技有限公司 | Automatic leveling device of 3D printer and 3D printer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204622614U (en) * | 2014-06-25 | 2015-09-09 | 天津微深科技有限公司 | A kind of self-level(l)ing device for 3D printer |
| CN205202201U (en) * | 2015-12-08 | 2016-05-04 | 福州大学 | 3D printer automatic levelling device |
| CN109703026A (en) * | 2018-12-21 | 2019-05-03 | 河南筑诚电子科技有限公司 | A kind of 3D printer print procedure hott bed detection of platform and adjustment device |
| CN110065232A (en) * | 2019-05-29 | 2019-07-30 | 北京化工大学 | A kind of multi-coordinate collaboration 3D printer |
| CN110481012A (en) * | 2019-09-20 | 2019-11-22 | 深圳市创想三维科技有限公司 | One kind being used for the self-leveling sensor of 3D printing |
| CN210759260U (en) * | 2019-08-19 | 2020-06-16 | 广东奥仕智能科技股份有限公司 | Leveling device of 3D printer |
| CN212603425U (en) * | 2020-06-22 | 2021-02-26 | 深圳市创想三维科技有限公司 | Leveling sensor for 3D printer |
-
2020
- 2020-06-22 CN CN202010574511.XA patent/CN111823574A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204622614U (en) * | 2014-06-25 | 2015-09-09 | 天津微深科技有限公司 | A kind of self-level(l)ing device for 3D printer |
| CN205202201U (en) * | 2015-12-08 | 2016-05-04 | 福州大学 | 3D printer automatic levelling device |
| CN109703026A (en) * | 2018-12-21 | 2019-05-03 | 河南筑诚电子科技有限公司 | A kind of 3D printer print procedure hott bed detection of platform and adjustment device |
| CN110065232A (en) * | 2019-05-29 | 2019-07-30 | 北京化工大学 | A kind of multi-coordinate collaboration 3D printer |
| CN210759260U (en) * | 2019-08-19 | 2020-06-16 | 广东奥仕智能科技股份有限公司 | Leveling device of 3D printer |
| CN110481012A (en) * | 2019-09-20 | 2019-11-22 | 深圳市创想三维科技有限公司 | One kind being used for the self-leveling sensor of 3D printing |
| CN212603425U (en) * | 2020-06-22 | 2021-02-26 | 深圳市创想三维科技有限公司 | Leveling sensor for 3D printer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112757631A (en) * | 2020-12-21 | 2021-05-07 | 深圳市创想三维科技有限公司 | Automatic leveling device of 3D printer and 3D printer |
| WO2022134288A1 (en) * | 2020-12-21 | 2022-06-30 | 深圳市创想三维科技有限公司 | Automatic leveling device for 3d printer, and 3d printer |
| EP4046776A4 (en) * | 2020-12-21 | 2022-12-14 | Shenzhen Creality 3D Technology Co., Ltd. | Automatic leveling device for 3d printer, and 3d printer |
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Address after: 1808, Jinxiu Hongdu building, Meilong Avenue, Xinniu community, Minzhi street, Longhua District, Shenzhen City, Guangdong Province (office address) Applicant after: Shenzhen chuangxiang 3D Technology Co.,Ltd. Address before: 518109 12th floor, building 3, Jincheng Industrial Park, 19 Huafan Road, Dalang street, Longhua New District, Shenzhen City, Guangdong Province Applicant before: Shenzhen Chuangxiang 3D Technology Co.,Ltd. |