CN116391783A - Sugar painting 3D printer - Google Patents
Sugar painting 3D printer Download PDFInfo
- Publication number
- CN116391783A CN116391783A CN202310605682.8A CN202310605682A CN116391783A CN 116391783 A CN116391783 A CN 116391783A CN 202310605682 A CN202310605682 A CN 202310605682A CN 116391783 A CN116391783 A CN 116391783A
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- sugar
- nozzle
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- piston
- heating
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- 235000000346 sugar Nutrition 0.000 title claims abstract description 332
- 238000010422 painting Methods 0.000 title claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 148
- 238000010438 heat treatment Methods 0.000 claims abstract description 115
- 239000007921 spray Substances 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 21
- 230000017525 heat dissipation Effects 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 13
- 238000001125 extrusion Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000007639 printing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 235000016127 added sugars Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G3/00—Sweetmeats; Confectionery; Marzipan; Coated or filled products
- A23G3/02—Apparatus specially adapted for manufacture or treatment of sweetmeats or confectionery; Accessories therefor
- A23G3/0236—Shaping of liquid, paste, powder; Manufacture of moulded articles, e.g. modelling, moulding, calendering
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
- B33Y50/02—Data acquisition or data processing for additive manufacturing for controlling or regulating additive manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
- B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
- B44D3/22—Implements or apparatus for special techniques, e.g. for painting lines, for pouring varnish; Batik pencils
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Coating Apparatus (AREA)
Abstract
The utility model discloses a sugar painting 3D printer, wherein a piston is arranged at the output end of a motor, and a piston heating part is arranged on the piston; the piston heating part is arranged in the sugar bin; the piston heating part is connected with the piston temperature control circuit board; the heating piston temperature sensor is arranged on the piston and is connected with the piston temperature control circuit board; the lower part of the sugar bin is connected with the upper end part of the sugar liquid spray head, and the lower end of the sugar liquid spray head is provided with a nozzle; the nozzle is provided with a nozzle heating temperature measuring component. The heating piston temperature sensor, the piston temperature control circuit board, the piston heating part, the nozzle heating temperature measuring component, the nozzle temperature sensor, the motor control circuit board and the piston heating part respectively form sugar chamber sugar liquid temperature Tc closed-loop control circulation, nozzle sugar liquid temperature Tz closed-loop control circulation and sugar liquid flow velocity v closed-loop control circulation. The sugar painting 3D printer has the advantages of being capable of realizing accurate control of the temperature of sugar liquid, keeping the ejection speed of the sugar liquid in a stable and controllable state and the like.
Description
Technical Field
The utility model relates to 3D printing equipment, in particular to a sugar painting 3D printer.
Background
Sugar painting is an ancient and unique traditional folk art in China, and is established as a non-matter cultural heritage in 2008. Traditional sugar painting technology often depends on dictation or word recording mode, and uniqueness of handicraft non-matter cultural heritage is concentrated in the characteristics of mental culture. The traditional artist draws the syrup after boiling on the stone slab, and the sugar liquor solidifies and can obtain the sugar pictures of different patterns, and the sugar pictures of preparation are mostly plane molding, and three-dimensional sugar pictures need to be spliced, consume long time, and quite high to the technical requirement of the artist, especially the quantity of traditional hand workman in recent years reduces by a wide margin, has restricted the development and the promotion of sugar pictures. The traditional sugar painting product is manually manufactured by an artist depending on abundant experiences, so that the style is simple and old, the updating is lagged, and the manufacturing speed is low and the sugar painting product is quite unhygienic.
The 3D printer, also called as three-dimensional printer, is an automatic device for realizing the rapid forming process of articles, and is characterized in that the 3D printer can directly generate objects according to computer graphic data and is widely applied to the fields of part manufacturing, food manufacturing and the like. In recent years, 3D printers have found wide application in the food manufacturing industry, particularly in sugar printing. According to the sugar painting manufacturing process, the sugar painting 3D printer needs to pre-melt solid sugar firstly, and then needs to accurately control the outlet temperature to ensure the shape and taste of the sugar painting.
The Chinese patent of application number CN202222370320.9 proposes an anti-blocking 3D printer nozzle, which comprises a mounting plate, wherein a conveying pipe is arranged right below the mounting plate, two symmetrically distributed feeding holes are formed in the upper surface of the conveying pipe, the nozzle is arranged at the lower end of the conveying pipe, and an anti-blocking mechanism is arranged in the conveying pipe; the heating wires distributed in a ring shape can increase the temperature in the conveying pipe, and the stirring piece of the anti-blocking mechanism is used for stirring to place blocking, but the problems that the storage capacity of the conveying pipe is small and the blocking cannot be prevented in the nozzle exist.
The utility model patent of China with the application number of CN2022223703329. X discloses a novel printer nozzle device, which comprises a mounting plate, wherein a conveying pipe is arranged on the lower surface of the mounting plate, a nozzle is arranged at the lower end of the conveying pipe, and a protection mechanism is arranged between the lower surface of the mounting plate and the nozzle; the utility model pulls the stop rod, can push the push rod directly, the push rod will push the protective block fixedly connected with it to move, connect with two toothed plates through the movable block between two protective blocks, two toothed plates are disposed at both ends of the gear in the diagonal distribution meshing, thus when one protective block moves, can drive another protective block to move directly, thus make two protective blocks move in opposite directions at the same time, carry on the clamping protection to the lower end of the nozzle through the protective slot, but there is not set up the sugar storage mechanism, unable to solve the problem that the nozzle blocks in the process of printing the sugar painting food.
Disclosure of Invention
The utility model provides a sugar painting 3D printer to avoid the defects in the prior art, so as to solve the problem that melted sugar materials are blocked at a bin and a nozzle in the process of printing sugar painting.
The utility model adopts the following technical scheme for solving the technical problems.
The utility model relates to a sugar painting 3D printer which is structurally characterized by comprising a motor 2; a piston 13 is arranged at the output end of the motor, and a piston heating part 4 for heating and liquefying solid sugar materials into sugar liquid is arranged on the piston 13; the piston heating part 4 is arranged in a sugar bin 14 for placing sugar materials; the piston heating part 4 is connected with the piston temperature control circuit board 3; the heating piston temperature sensor is arranged on the piston 4. The heating piston temperature sensor is connected with the piston temperature control circuit board 3; the heating piston temperature sensor measures the sugar chamber sugar liquid temperature Tc of the sugar liquid in the sugar chamber and sends the sugar chamber sugar liquid temperature Tc to the piston temperature control circuit board 3 and the motor control circuit board 10; the piston temperature control circuit board 3 controls the piston heating part 4 to adjust the sugar liquid temperature Tc of the sugar bin according to an error signal Tce between the sugar bin reference temperature Tc0 and the actual temperature Tc of the sugar bin measured by the heating piston temperature sensor and a flow rate-heating piston calibration temperature signal Tcj, so as to form a sugar liquid temperature Tc closed-loop control cycle of the sugar bin;
the lower part of the sugar bin 14 is connected with the upper end part of a sugar liquid spray head, and the lower end part of the sugar liquid spray head is provided with a nozzle 8 for spraying sugar liquid; the nozzle 8 is further provided with a nozzle heating temperature measuring component 15, and the nozzle heating temperature measuring component 15 comprises a nozzle temperature sensor 17 for measuring the nozzle sugar liquid temperature Tz of the sugar liquid entering the nozzle; the nozzle temperature sensor 17 measures the nozzle sugar liquid temperature Tz and sends the nozzle sugar liquid temperature Tz to the nozzle heating temperature measuring component 15 and the motor control circuit board 10; the nozzle heating temperature measuring component 15 controls the nozzle heating unit 151 to adjust the nozzle sugar liquid temperature Tz according to an error signal Tce and a flow rate-nozzle calibration temperature Tzj between the nozzle reference temperature Tz0 and the measured temperature Tz of the nozzle temperature sensor 17, so as to form a closed-loop control cycle of the nozzle sugar liquid temperature Tz;
the motor control circuit board 10 obtains the temperature Tc of sugar liquid in the sugar bin and the temperature Tz of the nozzle, adjusts the pressure of the piston on the sugar liquid in the sugar bin according to the temperature Tc of the sugar liquid in the sugar bin and the temperature Tz of the nozzle so as to control the flow velocity v of the sugar liquid at the nozzle, generates a flow velocity-heating piston calibration temperature control signal Tcj and a flow velocity-nozzle calibration temperature control signal Tzj according to a relation model of the flow velocity v of the sugar liquid and the temperature, feeds back a flow velocity-heating piston calibration temperature control signal Tcj to the piston temperature control circuit board, feeds back a flow velocity-nozzle calibration temperature control signal Tzj to the nozzle heating temperature measuring component 15, and forms a closed loop control cycle of the flow velocity v of the sugar liquid of the nozzle.
The sugar painting 3D printer is also characterized in that:
preferably, the sugar bin 14 comprises a glass viewing window 5 for viewing the level of sugar material within the sugar bin.
Preferably, the motor 2 is provided with a protective housing 1.
Preferably, the protective casing 1 is further provided with a heat dissipation vent 9 for dissipating heat from the motor.
Preferably, the motor 2 is fixed inside the protective housing 1 by a motor fixing base 11.
Preferably, a connection port 6 connected to the sugar solution nozzle is provided at the lower end of the sugar chamber 14.
Preferably, a connector 61 is arranged at the upper end part of the sugar solution spray head; the lower end of the connector is provided with a heat dissipation part 7 for dissipating heat of sugar liquid entering the sugar liquid spray head from the connector; the nozzle heating temperature measuring component 15 is positioned below the heat radiating part, and the nozzle 8 is positioned at the lowest end of the sugar liquid spray head.
Preferably, the nozzle temperature sensor 17 is arranged on the nozzle heating temperature measuring component 15; the nozzle temperature sensor 17 is connected with a nozzle temperature sensor wire 16.
Preferably, the nozzle temperature sensor 17 is embedded in the housing of the nozzle heating temperature measurement assembly 15.
Preferably, the output end of the motor is connected to the piston 13 by a threaded screw 12.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model discloses a sugar painting 3D printer, wherein a piston is arranged at the output end of a motor, and a piston heating part is arranged on the piston; the piston heating part is arranged in the sugar bin; the piston heating part is connected with the piston temperature control circuit board; the heating piston temperature sensor is arranged on the piston and is connected with the piston temperature control circuit board; the lower part of the sugar bin is connected with the upper end part of the sugar liquid spray head, and the lower end of the sugar liquid spray head is provided with a nozzle; the nozzle is provided with a nozzle heating temperature measuring component. The heating piston temperature sensor, the piston temperature control circuit board, the piston heating part, the nozzle heating temperature measuring component, the nozzle temperature sensor, the motor control circuit board and the piston heating part respectively form sugar chamber sugar liquid temperature Tc closed-loop control circulation, nozzle sugar liquid temperature Tz closed-loop control circulation and sugar liquid flow velocity v closed-loop control circulation.
According to the sugar painting 3D printer, the pre-melting of sugar materials in the sugar bin is realized by arranging the sugar bin and the piston heating part; the nozzle 8 for spraying sugar liquid is provided with a nozzle heating and temperature measuring assembly, so that the accurate control of the sugar liquid outlet temperature is realized, and the rapid extrusion performance of sugar is ensured, the outlet temperature of sugar is ensured to meet the demands of shaping and taste, and the possibility of realizing more shapes is improved through the closed-loop control cycle (secondary temperature control) of the sugar liquid temperature Tc of the sugar bin, the closed-loop control cycle (primary temperature control) of the sugar liquid temperature Tz of the nozzle and the closed-loop control cycle (large closed-loop temperature control) of the sugar liquid velocity v of the sugar liquid.
The sugar painting 3D printer has the advantages of being capable of realizing accurate control of the temperature of sugar liquid, keeping the ejection speed of the sugar liquid in a stable and controllable state and the like.
Drawings
Fig. 1 is a perspective view of a 3D printer for sugar painting according to the present utility model.
Fig. 2 is a perspective view of a sugar painting 3D printer of the present utility model.
Fig. 3 is a schematic diagram of a heating piston of a sugar 3D printer according to the present utility model.
Fig. 4 is a schematic diagram of a nozzle of a sugar painting 3D printer according to the present utility model.
Fig. 5 is a schematic diagram of a nozzle heating and temperature controlling assembly of a sugar painting 3D printer according to the present utility model.
Fig. 6 is a schematic diagram of a temperature control flow of a sugar painting 3D printer according to the present utility model.
The utility model is further described below by means of specific embodiments in connection with the accompanying drawings.
Detailed Description
Referring to fig. 1 to 6, the sugar painting 3D printer of the present utility model is characterized by comprising a motor 2; a piston 13 is arranged at the output end of the motor, and a piston heating part 4 for heating and liquefying solid sugar materials into sugar liquid is arranged on the piston 13; the piston heating part 4 is arranged in a sugar bin 14 for placing sugar materials; the piston heating part 4 is connected with the piston temperature control circuit board 3; a heating piston temperature sensor is arranged on the piston 4; a heating piston temperature sensor is provided on the piston, not shown in the drawings of the present utility model. The heating piston temperature sensor is connected with the piston temperature control circuit board 3; the heating piston temperature sensor measures the sugar chamber sugar liquid temperature Tc of the sugar liquid in the sugar chamber and sends the sugar chamber sugar liquid temperature Tc to the piston temperature control circuit board 3 and the motor control circuit board 10; the piston temperature control circuit board 3 controls the piston heating part 4 to adjust the sugar liquid temperature Tc of the sugar bin according to an error signal Tce between the sugar bin reference temperature Tc0 and the actual temperature Tc of the sugar bin measured by the heating piston temperature sensor and a flow rate-heating piston calibration temperature signal Tcj, so as to form a sugar liquid temperature Tc closed-loop control cycle of the sugar bin;
the lower part of the sugar bin 14 is connected with the upper end part of a sugar liquid spray head, and the lower end part of the sugar liquid spray head is provided with a nozzle 8 for spraying sugar liquid; the nozzle 8 is further provided with a nozzle heating temperature measuring component 15, and the nozzle heating temperature measuring component 15 comprises a nozzle temperature sensor 17 for measuring the nozzle sugar liquid temperature Tz of the sugar liquid entering the nozzle; the nozzle temperature sensor 17 measures the nozzle sugar liquid temperature Tz and sends the nozzle sugar liquid temperature Tz to the nozzle heating temperature measuring component 15 and the motor control circuit board 10; the nozzle heating temperature measuring component 15 controls the nozzle heating unit 151 to adjust the nozzle sugar liquid temperature Tz according to an error signal Tce and a flow rate-nozzle calibration temperature Tzj between the nozzle reference temperature Tz0 and the measured temperature Tz of the nozzle temperature sensor 17, so as to form a closed-loop control cycle of the nozzle sugar liquid temperature Tz;
the motor control circuit board 10 obtains the temperature Tc of sugar liquid in the sugar bin and the temperature Tz of the nozzle, adjusts the pressure of the piston on the sugar liquid in the sugar bin according to the temperature Tc of the sugar liquid in the sugar bin and the temperature Tz of the nozzle so as to control the flow velocity v of the sugar liquid at the nozzle, generates a flow velocity-heating piston calibration temperature control signal Tcj and a flow velocity-nozzle calibration temperature control signal Tzj according to a relation model of the flow velocity v of the sugar liquid and the temperature, feeds back a flow velocity-heating piston calibration temperature control signal Tcj to the piston temperature control circuit board, feeds back a flow velocity-nozzle calibration temperature control signal Tzj to the nozzle heating temperature measuring component 15, and forms a closed loop control cycle of the flow velocity v of the sugar liquid of the nozzle.
In particular, the sugar bin 14 includes a glass viewing window 5 for viewing the level of sugar material within the sugar bin.
In specific implementation, the motor 2 is provided with a protective casing 1.
In specific implementation, the protective housing 1 is further provided with a heat dissipation vent 9 for dissipating heat of the motor.
In practice, the motor 2 is fixed inside the protective casing 1 by a motor fixing base 11.
The motor 2, the piston temperature control circuit board 3, the motor control circuit board 10 and the motor fixing base 11 are all arranged in the inner cavity of the protective shell. The heat dissipation vent 9 is located on the side wall of the protective casing, so that air inside and outside the protective casing can circulate mutually, and the heat dissipation purpose is achieved. In the specific implementation, a cooling fan can be arranged at the cooling vent 9 according to actual needs, so that the cooling performance is further improved, the working temperatures of the motor, the piston temperature control circuit board 3, the motor control circuit board 10 and the like are reduced, and the working stability and reliability of each component are ensured. The sugar bin 14 is fixed at the lower part of the protective shell, and the threaded screw rod 12 connected with the output end of the motor extends into the inner cavity of the sugar bin 14. The lower end of the threaded screw rod 12 is provided with a piston and a piston heating part, and the piston heating part are both positioned in the inner cavity of the sugar bin. The outer peripheral surface of the piston is matched with the inner wall surface of the sugar bin to form a cylinder piston type movement mechanism, and sugar liquid in the inner cavity of the sugar bin is extruded through the piston.
In specific implementation, a connection port 6 connected to the sugar solution nozzle is provided at the lower end of the sugar bin 14.
In specific implementation, a connector 61 is arranged at the upper end part of the sugar solution spray head; the lower end of the connector is provided with a heat dissipation part 7 for dissipating heat of sugar liquid entering the sugar liquid spray head from the connector; the nozzle heating temperature measuring component 15 is positioned below the heat radiating part, and the nozzle 8 is positioned at the lowest end of the sugar liquid spray head.
The sugar liquid shower nozzle includes from last four parts that connect gradually down: the connector 61, the heat dissipation part 7, the nozzle heating temperature measuring component 15 and the nozzle 8. The connector 61 is connected with the connector 6 of the sugar bin in a matching way, so that the sugar liquid spray head is fixed at the lower end of the sugar bin, and sugar liquid can flow into the sugar liquid spray head from the sugar bin.
In specific implementation, the nozzle temperature sensor 17 is disposed on the nozzle heating temperature measuring component 15; the nozzle temperature sensor 17 is connected with a nozzle temperature sensor wire 16.
In particular, the nozzle temperature sensor 17 is embedded in the housing of the nozzle heating temperature measuring assembly 15.
In specific implementation, the output end of the motor is connected with the piston 13 through a threaded screw rod 12.
According to the requirements of high-capacity storage and premelting of sugar in a sugar painting printing process, aiming at the fact that an existing 3D printer nozzle device does not have a preheating and storage mechanism, the utility model provides the sugar painting 3D printer capable of realizing accurate control of sugar liquid temperature and enabling the ejection speed of sugar liquid to be kept in a stable and controllable state.
The left side and the right side of the protective shell 1 of the motor 2 are provided with heat dissipation ventilation openings 9. The motor 2 is fixed inside the protective casing 1 by a motor fixing base 11. The upper part of the sugar bin 14 is connected with the lower part of the protective shell 1, and the piston 13 and the lower half part of the threaded screw rod 12 are positioned inside the sugar bin 14. A piston sealingly connected to the sugar chamber 14 is in contact with the inner wall of the sugar chamber. The lower part of the screw rod 12 is connected with the piston 13. The lower part of the piston is provided with a piston heating part 4 for heating the piston and the sugar materials in the sugar bin and melting the solid sugar materials into liquid viscous sugar liquid. The screw 12 passes through the middle of the motor. The screw rod 12 is engaged with a nut or other threaded structural member at the output end of the motor through threads, so that the screw rod 12 is controlled by the motor to perform linear motion along the axial direction thereof.
The lower part of the sugar bin 14 is connected with the connector 61 of the sugar liquid spray head through the connector 6 in the sugar bin, so that the sugar liquid spray head is fastened below the sugar bin, and sugar liquid is extruded from the sugar bin into the sugar liquid spray head through the piston. The nozzle feeding pipeline sequentially passes through the nozzle heating temperature measuring component 15, the heat radiating part 7 and the connector 61 from bottom to top, the lowest tail end of the nozzle feeding pipeline is connected with the nozzle 8, and sugar liquid in the sugar bin is conveyed to the nozzle 8 from the connector 61 and sprayed out from the nozzle 8.
The side wall of the motor 2 is connected with a piston temperature control circuit board 3. The upper part of the motor 2 is connected with a motor control circuit board 10.
The nozzle heating temperature measurement assembly 15 includes a nozzle temperature sensor 17 and a nozzle temperature sensor wire 16, the nozzle temperature sensor 17 being embedded on the housing of the nozzle heating temperature measurement assembly 15. The nozzle heating temperature measuring assembly 15 includes a nozzle heating unit 151 and a nozzle temperature sensor 17. The nozzle heating unit 151 is disposed in the housing of the nozzle heating temperature measuring component 15, and the nozzle feeding pipe passes through the nozzle heating unit 151.
The protection shell 1 of the motor 2 is provided with a heat dissipation vent 9 to ensure that heat generated during the operation of the motor 2 can be timely dissipated, and the motor is prevented from being overheated to cause faults. If necessary, a heat radiation fan may be provided in the heat radiation vent 9. During the implementation, can set up into the fan at one of them heat dissipation vent 9, another one heat dissipation vent 9 sets up out the fan, so can form quick air convection in the protective housing and cool down motor and the circuit board in the protective housing, guarantee motor and circuit board steady operation.
During the operation of the sugar printer, the motor control circuit board 10 receives program instructions to drive the motor 2 to rotate, so that the threaded screw rod is driven to move downwards through a nut or other threaded structural parts connected with the output end of the motor, and molten sugar liquid in the sugar bin is extruded and stored.
An overall temperature control flow chart of the present utility model is shown in fig. 6.
1. The sugar bin sugar liquid temperature Tc is in closed-loop control cycle, and comprises the following processes.
(1) In the initial state, the added sugar material is in a solid state, and the piston temperature control circuit board drives the piston heating part 4 to heat by receiving a main program signal (sugar bin reference temperature Tc 0) so as to melt the solid sugar and melt the sugar material into viscous sugar liquid. The sugar bin is used for storing preheated sugar materials and sugar liquid. By piston extrusion, the molten sugar solution enters the nozzle feed pipe through the opening at the junction of the sugar bin connection port 6 and the connection port 61 of the nozzle assembly, and the sugar solution is fed into the nozzle 8.
(2) Then, the process of heating the piston by the piston heating part 4 is temperature-controlled by the piston temperature control circuit board according to the sugar bin reference temperature Tc0 and two feedback signals. The piston temperature control circuit board receives an error signal Tce between the reference temperature Tc0 of the sugar bin and the actual temperature Tc of the sugar bin measured by the heating piston temperature sensor and a flow rate-heating piston calibration temperature signal Tcj, so as to perform more accurate secondary temperature control.
2. The nozzle sugar liquid temperature Tz is in closed loop control cycle, and comprises the following processes.
(1) In the initial state, the nozzle heating unit 151 receives a main program signal (nozzle reference temperature Tz 0) and heats the nozzle.
(2) After the sugar solution enters the nozzle, before the sugar solution is extruded from the nozzle 8, in order to ensure that the sugar solution has an accurate outlet temperature, the nozzle heating temperature measuring component 15 controls the nozzle heating unit 151 to adjust the temperature Tz of the nozzle according to an error signal Tze between the reference temperature Tz0 of the nozzle and the measured temperature Tz of the nozzle temperature sensor 17 and the flow rate-nozzle calibration temperature Tzj, so as to form a closed-loop control cycle of the temperature Tz of the nozzle sugar solution.
The heat dissipation part 7 is used for guaranteeing that the liquid state sugar liquid entering the material conveying pipeline from the sugar bin does not have too high temperature, and the too high temperature of the sugar liquid can lead to the fact that the accurate closed-loop control of the outlet temperature of the nozzle 8 can not be realized at the closed-loop control circulation position of the temperature Tz of the sugar liquid of the nozzle.
The nozzle heating unit 151 receives an error signal Tze between the nozzle reference temperature Tz0 and the measured temperature Tz of the nozzle temperature sensor, and combines the flow velocity-nozzle calibration temperature Tzj calculated by the sugar liquid flow velocity v and temperature relation model to enable the flow velocity information and the reference temperature information to be fused to perform more accurate temperature control on the nozzle sugar liquid temperature Tz.
3. The sugar liquid flow velocity v is in a closed loop control cycle, comprising the following procedures.
The motor control circuit board 10 obtains the temperature Tc of sugar liquid in the sugar bin and the temperature Tz of the nozzle, adjusts the pressure of the piston on the sugar liquid in the sugar bin according to the temperature Tc of the sugar liquid in the sugar bin and the temperature Tz of the nozzle so as to control the flow velocity v of the sugar liquid at the nozzle, generates a flow velocity-heating piston calibration temperature control signal Tcj and a flow velocity-nozzle calibration temperature control signal Tzj according to a relation model of the flow velocity v of the sugar liquid and the temperature, feeds back a flow velocity-heating piston calibration temperature control signal Tcj to the piston temperature control circuit board, feeds back a flow velocity-nozzle calibration temperature control signal Tzj to the nozzle heating temperature measuring component 15, and forms a closed loop control cycle of the flow velocity v of the sugar liquid of the nozzle.
The motor control circuit board 10 receives the actual temperature Tz of the sugar bin measured by the nozzle temperature sensor 17 and the actual temperature Tc of the heating piston measured by the temperature sensor, and is used for adjusting the rotation speed of the motor, thereby adjusting the extrusion speed and controlling the flow rate of the sugar outlet, thereby realizing the closed-loop control cycle of the sugar liquid flow rate v, and forming the integral temperature control large cycle of the utility model together with the two small closed-loop temperature control cycles of the sugar liquid temperature Tc of the sugar bin and the closed-loop control cycle of the temperature Tz of the nozzle.
In the sugar solution flow velocity v and temperature relation model, the temperature is the nozzle sugar solution temperature Tz. The nozzle sugar solution temperature Tz is related to the ambient temperature Te in addition to the flow velocity v, and its functional relationship is expressed as the following expression (1).
In the above formula (1), te is an ambient temperature. The ambient temperature Te can be measured directly with an additional sensor. Since the change in the ambient temperature Te has a small influence on the nozzle sugar solution temperature Tz, it can be assumed that the ambient temperature Te is a constant value. Functional relation f of flow velocity v and nozzle sugar solution temperature Tz 1 The corresponding model can be obtained by a fitting mode of experimental measurement and data or established according to the physical relationship.
The method comprises the following steps: the fitting mode of the experimental determination and the data is adopted. The data fitting is carried out by measuring the data of the temperature Tz and the flow velocity v of the nozzle sugar liquid and the data of the temperature Tc and the flow velocity v of the sugar bin through a least square method and other data fitting methods, and a functional relation expression f of the temperature Tz and the flow velocity v of the nozzle sugar liquid is obtained 1 And a functional relation expression f of the temperature Tc of the sugar bin and the flow velocity v 2 （f 2 And f 1 All obtained by fitting after experimental measurement), and is directly used.
The second method is as follows: and establishing a corresponding model mode according to the physical relationship. It is necessary to obtain relevant properties of the printed material. Taking sugar printing as an example, the temperature Tz of the sugar liquid of the nozzle is the actual temperature of the sugar liquid at the outlet of the nozzle, and the sugar liquid density rho and the temperature Tz are in negative correlation, and the relationship model is different according to materials with different qualities, but the relationship model is generally in negative correlation. The relation function
This is expressed as formula (2).
ρ in the formula (1) is the sugar liquid density,
the symbols are represented for a relational function. The corresponding formula (3) is as follows.
ϕ in the formula (3)
Is->
Is an inverse function of (c).
The two parameters of sugar liquid density ρ and flow velocity v are constrained by the bernoulli equation, as shown in the following equation (4).
In the formula (4), P is the liquid pressure of the sugar solution, and is relatively constant in the calculation process. g is gravitational acceleration. h is the liquid level of the sugar solution. C is a constant.
The model of the relationship between the nozzle sugar solution temperature Tz and the flow velocity v of the sugar solution at the nozzle outlet can be expressed by the following formula (5).
The temperature Tc of the sugar liquid in the sugar bin and the temperature Tz of the sugar liquid in the nozzle are thermal differences influenced by the ambient temperature, and the relationship between the two is expressed by the following formula (6).
In the formula (6), G is a heat dissipation effect function and is related to the liquid level, the material of the sugar bin, etc., and can be generally taken as a value according to the condition of the equipment. In a particular device, G takes a constant value.
According to the sugar painting 3D printer, the pre-melting of sugar materials in the sugar bin is realized by arranging the sugar bin and the piston heating part; the nozzle 8 for spraying sugar liquid is provided with a nozzle heating and temperature measuring assembly, so that the accurate control of the temperature of the sugar liquid outlet is realized, and the rapid extrusion performance of sugar is ensured, the temperature of the sugar outlet is ensured to meet the demands of shaping and taste, and the possibility of realizing more shapes is improved through the closed-loop control cycle of the temperature Tc of the sugar liquid in the sugar bin, the closed-loop control cycle of the temperature Tz of the sugar liquid in the nozzle and the closed-loop control cycle of the flow velocity v of the sugar liquid.
The sugar painting 3D printer is provided with the integrated mechanism capable of preheating the sugar bin and the nozzle precise temperature control module, and can realize stable extrusion of a large amount of sugar by combining the preheating sugar bin and the nozzle temperature control module, and ensure the shaping capability and the edible taste of the sugar.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The sugar painting 3D printer is characterized by comprising a motor (2); a piston (13) is arranged at the output end of the motor (2), and a piston heating part (4) for heating and liquefying solid sugar materials into sugar liquid is arranged on the piston (13); the piston heating part (4) is arranged in a sugar bin (14) for placing sugar materials; the piston heating part (4) is connected with the piston temperature control circuit board (3); a heating piston temperature sensor is arranged on the piston (4), and the heating piston temperature sensor is connected with a piston temperature control circuit board (3); the heating piston temperature sensor measures the sugar liquid temperature Tc of sugar liquid in the sugar bin and sends the sugar liquid temperature Tc of the sugar bin to the piston temperature control circuit board (3) and the motor control circuit board (10); the piston temperature control circuit board (3) controls the piston heating part (4) to adjust the sugar liquid temperature Tc of the sugar bin according to an error signal Tce between the reference temperature Tc0 of the sugar bin and the actual temperature Tc of the sugar bin measured by the heating piston temperature sensor and a flow rate-heating piston calibration temperature signal Tcj, so as to form a sugar liquid temperature Tc closed-loop control cycle of the sugar bin;
the lower part of the sugar bin (14) is connected with the upper end part of the sugar liquid spray head, and the lower end part of the sugar liquid spray head is provided with a nozzle (8) for spraying sugar liquid; the nozzle (8) is further provided with a nozzle heating temperature measuring component (15), and the nozzle heating temperature measuring component (15) comprises a nozzle temperature sensor (17) for measuring the nozzle sugar liquid temperature Tz of the sugar liquid entering the nozzle; the nozzle temperature sensor (17) measures the temperature Tz of the nozzle sugar liquid and sends the temperature Tz of the nozzle sugar liquid to the nozzle heating temperature measuring component (15) and the motor control circuit board (10); the nozzle heating temperature measuring component (15) controls the nozzle heating unit (151) to adjust the nozzle sugar liquid temperature Tz according to an error signal Tce between the nozzle reference temperature Tz0 and the measured temperature Tz of the nozzle temperature sensor (17) and the flow rate-nozzle calibration temperature Tzj, so as to form a closed-loop control cycle of the nozzle sugar liquid temperature Tz;
the motor control circuit board (10) acquires the temperature Tc of sugar liquid in the sugar bin and the temperature Tz of the sugar liquid in the nozzle, adjusts the pressure of the piston on the sugar liquid in the sugar bin and the temperature Tz of the sugar liquid in the nozzle according to the temperature Tc of the sugar liquid in the sugar bin and the temperature Tz of the sugar liquid in the nozzle so as to control the flow velocity v of the sugar liquid at the nozzle, generates a flow velocity-heating piston calibration temperature control signal Tcj and a flow velocity-nozzle calibration temperature control signal Tzj according to a relation model of the flow velocity v of the sugar liquid and the temperature, feeds back a flow velocity-heating piston calibration temperature control signal Tcj to the piston temperature control circuit board, feeds back a flow velocity-nozzle calibration temperature control signal Tzj to the nozzle heating temperature measuring component (15), and forms the closed loop control cycle of the flow velocity v of the sugar liquid of the nozzle.
2. A sugar painting 3D printer according to claim 1, characterized in that the sugar bin (14) comprises a glass viewing window (5) for viewing the level of sugar material within the sugar bin.
3. A sugar painting 3D printer according to claim 1, characterized in that the motor (2) is provided with a protective housing (1).
4. A sugar painting 3D printer according to claim 3, characterized in that the protective housing (1) is further provided with a heat dissipation vent (9) for heat dissipation of the motor.
5. A sugar painting 3D printer according to claim 3, characterized in that the motor (2) is fixed inside the protective casing (1) by means of a motor fixing base (11).
6. The sugar painting 3D printer according to claim 1, wherein a connecting port (6) connected with the sugar liquid spray head is arranged at the lower end part of the sugar bin (14).
7. The 3D printer for sugar pictures according to claim 1, wherein a connector (61) is arranged at the upper end part of the sugar liquid spray head; the lower end of the connector is provided with a heat dissipation part (7) for dissipating heat of sugar liquid entering the sugar liquid spray head from the connector; the nozzle heating temperature measuring component (15) is positioned below the heat radiating part, and the nozzle (8) is positioned at the bottommost end of the sugar liquid spray head.
8. A sugar painting 3D printer according to claim 1, characterized in that the nozzle temperature sensor (17) is arranged on the nozzle heating temperature measuring component (15); the nozzle temperature sensor (17) is connected with a nozzle temperature sensor wire (16).
9. A sugar painting 3D printer according to claim 1, characterized in that the nozzle temperature sensor (17) is embedded on the housing of the nozzle heating temperature measuring assembly (15).
10. A sugar painting 3D printer according to claim 1, characterized in that the output end of the motor (2) is connected with the piston (13) by means of a threaded screw (12).
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| CN202310605682.8A CN116391783B (en) | 2023-05-26 | 2023-05-26 | Sugar painting 3D printer |
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| CN202310605682.8A CN116391783B (en) | 2023-05-26 | 2023-05-26 | Sugar painting 3D printer |
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Also Published As
| Publication number | Publication date |
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| CN116391783B (en) | 2023-08-04 |
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