WO2021077561A1 - 一种微波协同三维打印装置及用于植物凝胶体系的精确高效打印方法 - Google Patents
一种微波协同三维打印装置及用于植物凝胶体系的精确高效打印方法 Download PDFInfo
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- WO2021077561A1 WO2021077561A1 PCT/CN2019/123530 CN2019123530W WO2021077561A1 WO 2021077561 A1 WO2021077561 A1 WO 2021077561A1 CN 2019123530 W CN2019123530 W CN 2019123530W WO 2021077561 A1 WO2021077561 A1 WO 2021077561A1
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
- A23P30/20—Extruding
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L19/00—Products from fruits or vegetables; Preparation or treatment thereof
- A23L19/10—Products from fruits or vegetables; Preparation or treatment thereof of tuberous or like starch containing root crops
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L5/00—Preparation or treatment of foods or foodstuffs, in general; Food or foodstuffs obtained thereby; Materials therefor
- A23L5/30—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation
- A23L5/34—Physical treatment, e.g. electrical or magnetic means, wave energy or irradiation using microwaves
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23P—SHAPING OR WORKING OF FOODSTUFFS, NOT FULLY COVERED BY A SINGLE OTHER SUBCLASS
- A23P30/00—Shaping or working of foodstuffs characterised by the process or apparatus
Definitions
- This field belongs to the field of food technology, and in particular relates to a three-dimensional printing device and a precise and efficient printing method for food under the conditions of microwave cooperation.
- 3D printing technology also known as additive manufacturing technology and rapid prototyping technology, is a technology to produce three-dimensional structural objects in the form of continuous physical stacking through computer modeling.
- 3D printing in the food field can well meet people's needs for personalized food, and can produce food with different nutrients according to the target population, and can expand the range of food materials, the technology still faces some technical problems, such as how to achieve it.
- Precise printing how to use conventional paste-like materials to print complex three-dimensional structures, how to keep printed food in shape during subsequent processing, etc., will be resolved to promote the development of the printed food industry.
- the plant gel system is an important part of the food system for 3D printing.
- 3D food printing technology can realize the customization of the shape and texture of food, develop easy-to-swallow elderly food, and expand the range of available food materials.
- one of the biggest problems facing 3D food printing technology is that the speed is relatively slow and the printing efficiency is relatively low. This greatly limits the large-scale application of 3D printing technology in the food field.
- the commonly used methods to improve the efficiency of 3D printing include increasing the diameter of the printing nozzle and increasing the movement speed of the axis during printing.
- increasing the printing nozzle will often lead to a decrease in 3D printing accuracy, and increasing the movement rate will often lead to a decrease in the stability of printing. , And their role in improving 3D printing efficiency is limited.
- Microwave heating technology is the result of the material's absorption of microwave energy to cause the polar molecules in the material to interact with the microwave electromagnetic field. Under the action of the external alternating electromagnetic field, the polar molecules in the material are polarized and alternate with the polarity of the external alternating electromagnetic field. Orientation, so many polar molecules are frequently lost due to friction between each other, so that electromagnetic energy is converted into thermal energy. It is a related technology to heat materials.
- microwave heating Instantaneous, heating inside and outside at the same time, fast heating speed. Integrity, the heating process is carried out in the entire object at the same time, the temperature rises quickly, the temperature is uniform, and the temperature gradient is small.
- microwave technology and 3D printing technology are combined.
- the microwave power is adjusted in a timely manner according to the printing speed and the dielectric properties of the material itself to realize the real-time curing of the material, which can prevent the printing process from being caused by gravity.
- the effect leads to a decrease in the accuracy of 3D printed objects, and it can also unify the 3D printing process and the post-curing/curing stage in the same process, which can greatly improve the efficiency of 3D printing.
- the device includes a 3D printing box.
- the upper part of the 3D printing box is equipped with a scanning area, a mixing area, a scanning area and a mixing area.
- the lower part corresponds to the cooling zone and the printing zone.
- the upper two sides of the 3D printing box are equipped with an abrasive device and a storage tank.
- the inlet of the storage tank is set above the mixing zone.
- One side of the 3D printing box is equipped with computer digital control. panel.
- the invention emphasizes microwave curing of the material layer while emphasizing microwave heating to improve the 3D printing accuracy, and the microwave power can be adjusted and controlled in time according to the dielectric and curing characteristics of the material.
- the comparative patent focuses on cooling and solidifying printed objects in the cooling zone to improve printing accuracy, and microwaves are only used as a means of curing. In summary, there are significant differences between the two.
- the invention uses a 3D food printer to make the material into a specific shape, and heat the material on the conveying route of the material to make the material mature, which can realize the rapid transformation of the material from raw to mature, and obtain the matured food immediately and continuously.
- This invention is obviously different from the invention adopting microwave as the heat source.
- heating and curing are performed after the 3D printing process is completed, which is also significantly different from timely heating in the printing process of the present invention.
- Zhang Hong et al. (2018) invented a collaborative precision nutritious food 3D printing system and method, which can realize the automatic processing of precision nutritious 3D printed food constructed from a variety of food materials.
- This invention does not introduce a heating device, which is inconsistent with the present invention.
- the invention of the introduction of microwaves for timely heating is significantly different.
- the invention aims to provide a microwave cooperative three-dimensional printing device and an accurate and efficient printing method for plant gel systems.
- a microwave cooperative three-dimensional printing device includes a 3D printing box, an X-axis horizontal movement axis 1, a Z-axis up and down movement box rack 2, a printing nozzle 3, a microwave box 4, a printing object 5, a printing platform 6, and a microwave generator And an antenna 7 and a built-in microwave online controller 8.
- the microwave generator and antenna 7 are arranged at the bottom of the 3D printing box and located under the printing platform 6. The microwave generator and antenna 7 evenly release microwaves to the printing platform 6.
- the printed object 5 is heated.
- the printed object 5 can move with the printing platform 6; the X axis horizontal movement axis 1 and the Z axis move up and down the box frame 2 are set in the 3D printing box; the microwave box 4 uses flexible shielding materials to prevent microwave leakage, and at the same time
- the built-in microwave online controller 8 is set in the 3D printing box to control the microwave power of the microwave generator and visually display the working status.
- the microwave box 4 adopts flexible shielding material, which can expand and contract with the up and down movement of the Z-axis, that is, the print head 3, and move as the printing platform 6 moves forward and backward, so as to prevent the entire printing process.
- the phenomenon of microwave leakage is the phenomenon of microwave leakage.
- An infrared online temperature measurement sensor is arranged in the 3D printing box to monitor the printing temperature in real time, and the temperature measurement range is 0-500 degrees.
- the microwave generator adopts a solid-state microwave source, the frequency is 2450 MHz, the power is continuously adjustable from 20 to 200 W, and the power supply is 500 VA and 220 V/50 Hz.
- a precise and efficient printing method for the plant gel system of a microwave cooperative three-dimensional printing device The steps are: first prepare the plant gel system, then select the appropriate print nozzle diameter, print distance, print speed, extrusion speed, microwave power, and finally The printing process is controlled by the built-in microwave on-line controller 8 to complete the printing.
- the microwave power is 25 ⁇ 45W; when the extrusion speed is 0.005 ⁇ 0.008cm 3 /s, the microwave power is 45 ⁇ 65W; when the extrusion speed is When 0.008 ⁇ 0.010cm 3 /s, the microwave power is 65 ⁇ 80W.
- the diameter of the printing nozzle is 1.0 to 1.5 mm; the printing distance is 1.0 to 2.0 mm.
- the moving speed of the nozzle is 20-30 mm/s.
- the 3D printer has a built-in microwave generator and a built-in microwave online controller to realize the real-time heating and curing of the 3D printing process, and the microwave power can be adjusted in real time according to the properties of the materials (such as dielectric properties) to achieve the appropriateness of the materials. Fast curing.
- the rotating antenna is used to input microwave energy, and the microwave generator and antenna uniformly release microwaves in real time to ensure uniform microwave heating of the printed workpiece.
- the embedded microwave online controller can be used to adjust the microwave power in real time to make Appropriate curing of materials. If the microwave power and the material printing and extrusion speed do not match, it may cause the material to solidify too fast and shrink and cause the subsequent material layer to not be deposited on the previous extruded layer, resulting in printing failure.
- the real-time adjustment and control of microwave power is also closely related to the nature of the material. Materials with strong absorption capacity often require less microwave power to achieve proper curing, while materials with weak microwave absorption capacity require higher microwave power.
- the present invention unifies the 3D printing process and the curing/curing process into one process, and improves the efficiency of the entire 3D printing process.
- the invention adopts a solid-state microwave source, can accurately control the power to be continuously adjustable from 20 to 200 W, has good linearity, more precise control, and good reproducibility.
- the use of a continuously adjustable low power level can prevent the rapid evaporation of material moisture during the 3D printing process from causing discontinuous adhesion of the printed material layers before and after, resulting in printing failure.
- FIG. 1 Schematic diagram of the present invention.
- the yam powder is 50% of the tap water.
- the butter is softened at room temperature and then added to the system.
- the weight is 25% of the total weight of the yam powder and tap water.
- the selected print nozzle diameter is 1.5 mm, the printing distance is 1.5 mm, the nozzle movement speed is 25 mm/s, and the extrusion speed is 0.007 cm 3 /s.
- the power of the microwave generator is set to 63W, and it is relatively evenly absorbed by the material layer being printed, and the yam powder is gelatinized while being solidified.
- microwave power is very important. Larger microwave power will cause the material of the previous printing layer to rapidly dehydrate and shrink, making the subsequent printing layer unable to be well connected. If the microwave power is too low, the printed layer material will not be cured quickly and will deform under the action of gravity, which will also affect the printing effect. After testing, the accuracy of printing can reach more than 95% under the above conditions, and no deformation occurs in the subsequent storage process. In addition, compared with the method of printing first and then microwave curing, using the microwave real-time heating curing method in the printing process can improve the production efficiency of the whole process by 20% to 30%.
- the potatoes are washed, peeled, and cut into thin slices with a thickness of about 5 mm, steamed for 22 minutes, and then beaten for 5.5 minutes until the slurry is delicate and shiny.
- a benchmark Take the beaten potato mash as a benchmark, add 3% colloid (pectin, carrageenan, etc.) to mix well and cook for 23 minutes to fully dissolve the colloid and improve the rheological properties and corresponding molding characteristics of the mashed potato.
- the diameter of the selected print nozzle is 1.5 mm, the printing distance is 1.7 mm, the nozzle movement speed is 25 mm/s, and the extrusion speed is 0.009 cm 3 /s.
- the power of the microwave generator is set to 78W. Under this condition, it can not only ensure the rapid curing of the material, but also prevent the large microwave power from causing rapid dehydration and shrinkage of the material in the previous printing layer, making the subsequent printing layer not good. Of convergence.
- the printed matter moves with the movement of the printing platform to ensure that the material absorbs microwaves evenly. Under this scheme, the printing accuracy is above 95%, and it will not be deformed in the subsequent storage process.
- the purple potato powder is 48% of the tap water.
- the butter is softened at room temperature and then added to the system.
- the weight is the total weight of the purple potato powder and tap water. 17%.
- the selected print nozzle diameter is 1.0 mm
- the printing distance is 1.2 mm
- the nozzle movement speed is 24 mm/s
- the extrusion speed is 0.006 cm 3 /s.
- the power of the microwave generator is set to 48W, and is relatively evenly absorbed by the material layer being printed. In this process, the control of microwave power is very important.
- microwave power will cause the material of the previous printing layer to rapidly dehydrate and shrink, making the subsequent printing layer unable to be well connected. If the microwave power is too low, the printed layer material will not be cured quickly and will deform under the action of gravity, which will also affect the printing effect. After testing, the accuracy of printing can reach more than 95% under the above conditions, and no deformation occurs in the subsequent storage process.
- the commercially available soybean protein isolate powder and tap water are evenly mixed to form a uniform paste, and the ratio of water to protein powder is 2.3:1. Add 1% salt and mix well and cook for 18 minutes to fully denature the protein. After cooling to room temperature, a gel system is formed for 3D printing.
- the selected print nozzle diameter is 1.0 mm, the printing distance is 1.1 mm, and the nozzle movement speed is 24 mm/s and the extrusion speed is 0.010 cm 3 /s.
- the power of the microwave generator is set to 80W, and is relatively evenly absorbed by the material layer being printed. In this process, the control of microwave power is very important.
- microwave power will cause the material of the previous printing layer to rapidly dehydrate and shrink, making the subsequent printing layer unable to be well connected. If the microwave power is too low, the printed layer material will not be cured quickly and will deform under the action of gravity, which will also affect the printing effect. After testing, the accuracy of printing can reach more than 95% under the above conditions, and no deformation occurs in the subsequent storage process.
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Manufacturing & Machinery (AREA)
Abstract
Description
Claims (10)
- 一种微波协同三维打印装置,其特征在于,该装置包括3D打印箱体、X轴水平移动轴(1)、Z轴上下移动箱架(2)、打印喷头(3)、微波箱(4)、打印物体(5)、打印平台(6)、微波发生器及天线(7)和内嵌式微波在线控制器(8),所述的微波发生器及天线(7)设置于3D打印箱体底部,位于打印平台(6)下方,微波发生器及天线(7)均匀释放微波,对打印平台(6)上的打印物体(5)进行加热;在3D打印过程中,打印物体(5)能随打印平台(6)移动;3D打印箱体内设置X轴水平移动轴(1)和Z轴上下移动箱架(2);微波箱(4)采用柔性屏蔽材料以防止微波泄露,同时能随着打印平台(6)和Z轴上下移动架(2)的前后左右上下移动;内嵌式微波在线控制器(8)设置于3D打印箱体中,用于控制微波发生器的微波功率并直观显示工作状态。
- 根据权利要求1所述的一种微波协同三维打印装置,其特征在于,微波箱(4)采用柔性屏蔽材料,能够随着Z轴上下移动架(2),即打印喷头(3)的上下移动而伸缩拉长,随着打印平台(6)的前后左右移动而移动,从而防止整个打印过程中的微波泄露现象。
- 根据权利要求1或2所述的一种微波协同三维打印装置,其特征在于,在3D打印箱体中设置红外在线测温传感器,用于实时监测打印温度,其测温范围:0-500摄氏度。
- 根据权利要求1或2所述的一种微波协同三维打印装置,其特征在于,所述微波发生器采用固态微波源,频率2450MHz,功率20—200W连续可调,电源功率为500VA,220V/50Hz。
- 根据权利要求3所述的一种微波协同三维打印装置,其特征在于,所述微波发生器采用固态微波源,频率2450MHz,功率20—200W连续可调,电源功率为500VA,220V/50Hz。
- 采用权利要求1-5任一所述的一种微波协同三维打印装置的植物凝胶体系的精确高效打印方法,其特征在于,步骤为:首先制备植物凝胶体系,然后选择合适的打印喷头直径、打印距离、打印速度、挤出速度、微波功率,最后通过内嵌式微波在线控制器(8)控制打印过程,完成打印。
- 根据权利要求6所述的精确高效打印方法,其特征在于,所述的当挤出速度为0.002~0.005cm 3/s时,微波功率为25~45W;当挤出速度为0.005~0.008cm 3/s时,微波功率为45~65W;当挤出速度为0.008~0.010cm 3/s时,微波功率为65~80W。
- 根据权利要求6或7所述的精确高效打印方法,其特征在于,所述的打印喷头直径为1.0~1.5 mm;打印距离为1.0~2.0mm。
- 根据权利要求6或7所述的精确高效打印方法,其特征在于,所述的喷头移动速度为20~30 mm/s。
- 根据权利要求8所述的精确高效打印方法,其特征在于,所述的喷头移动速度为20~30 mm/s。
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AU2019471247A AU2019471247B2 (en) | 2019-10-22 | 2019-12-06 | Microwave-coordinated three-dimensional printing apparatus, and accurate and efficient printing method for plant gel system |
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CN201911002864.6A CN110742294B (zh) | 2019-10-22 | 2019-10-22 | 一种微波协同三维打印装置及用于植物凝胶体系的精确高效打印方法 |
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Cited By (3)
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CN114594673A (zh) * | 2022-02-17 | 2022-06-07 | 大连工业大学 | 一种食用明胶3d打印装备及控制系统 |
CN115005324A (zh) * | 2022-06-17 | 2022-09-06 | 江南大学 | 基于大豆分离蛋白的可即时固化的微波3d打印材料的制备方法 |
CN115428921A (zh) * | 2022-09-01 | 2022-12-06 | 浙江工业大学 | 基于蛋白质-多糖混合凝胶的马铃薯泥3d食品打印材料的制备方法 |
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Cited By (5)
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CN114594673A (zh) * | 2022-02-17 | 2022-06-07 | 大连工业大学 | 一种食用明胶3d打印装备及控制系统 |
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CN115005324A (zh) * | 2022-06-17 | 2022-09-06 | 江南大学 | 基于大豆分离蛋白的可即时固化的微波3d打印材料的制备方法 |
CN115005324B (zh) * | 2022-06-17 | 2023-07-25 | 江南大学 | 基于大豆分离蛋白的可即时固化的微波3d打印材料的制备方法 |
CN115428921A (zh) * | 2022-09-01 | 2022-12-06 | 浙江工业大学 | 基于蛋白质-多糖混合凝胶的马铃薯泥3d食品打印材料的制备方法 |
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CN110742294B (zh) | 2021-07-23 |
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CN110742294A (zh) | 2020-02-04 |
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