CN211091699U - Internal heating type 3D printing food heating spray head - Google Patents
Internal heating type 3D printing food heating spray head Download PDFInfo
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- CN211091699U CN211091699U CN201921665145.8U CN201921665145U CN211091699U CN 211091699 U CN211091699 U CN 211091699U CN 201921665145 U CN201921665145 U CN 201921665145U CN 211091699 U CN211091699 U CN 211091699U
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Abstract
The utility model provides an internal heating type 3D printing food heating nozzle, which relates to the technical field of 3D printing nozzles and comprises a charging barrel, a tubular heating barrel sleeved on the charging barrel, a heating film wrapped on the surface of the charging barrel and positioned between the charging barrel and the heating barrel, a piston structure arranged in the charging barrel and a driving mechanism connected with the piston structure; the driving mechanism controls the piston structure to axially move along the inner wall of the charging barrel; the bottom of the heating cylinder is provided with a sleeve nozzle, the bottom of the charging cylinder is provided with a nozzle, and the sleeve nozzle is sleeved on the nozzle. The utility model discloses printing crowded material device adopts the internal heating formula, gives the feed cylinder with heat direct transfer, improves heat conduction efficiency, makes food raw materials's heating effectual, simultaneously, owing to wrap up the one deck heated film on feed cylinder surface (in the heating cylinder), can make whole feed cylinder be heated evenly, improves and prints the precision.
Description
Technical Field
The utility model relates to a 3D prints the shower nozzle, especially relates to an internal heating formula 3D prints food heating shower nozzle.
Background
Nowadays, 3D printers have not only many important applications in the manufacturing and biomedical fields, but also applications in the food field are gradually maturing, for example, 3D chocolate printers, which can directly and rapidly make personalized chocolate foods of any style.
At present, 3D food printer's printing crowded material device among the prior art begins to adopt the structural style of piston injection to carry out crowded material, like the patent that application number is CN201310606370.5, discloses a 3D food printer, and its technical scheme is: the 3D food printer comprises a spray head, an X-axis driving system, a Y-axis driving system, a Z-axis driving system, a workbench, a machine body and a computer control system, wherein a hopper storage-screw extrusion type spray head is adopted, a hopper of the printer is large, a large amount of chocolate raw materials can be stored, and in the running process of the printer, the chocolate can be conveniently added into the hopper, the raw materials can be supplemented timely, and the chocolate does not need to be heated and melted in advance, so that the chocolate food can be continuously made.
Another patent with application number CN201420060258.6 discloses a chocolate 3D printer and a chocolate extrusion device thereof, which includes a mounting plate; a chocolate container mounted thereon; the spray head is arranged at one end of the chocolate container and is communicated with the chocolate container; the piston is arranged at the other end in a sealing way and can move along the axis direction of the chocolate container; a lead screw connected to the piston; a lead screw nut engaged with the lead screw; the driving motor is connected with the screw nut and used for driving the screw to reciprocate along the axial direction of the screw; the constant temperature heating device is sleeved on the outer surface of the chocolate container in a circular tube shape and is used for heating the chocolate at constant temperature; and the cooling device is used for cooling and shaping the chocolate.
Above-mentioned crowded material device that current food 3D printed all has a common defect: the heating device is disposed outside the cartridge, resulting in inefficient heating. In addition, the heating device is only arranged on one section of the charging barrel, so that the food raw material in the charging barrel is heated unevenly.
The present application was made based on this.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned defect that exists among the prior art, the utility model provides an internal heating formula 3D prints food heating shower nozzle, and heating efficiency is high, and food raw materials is heated evenly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the internal heating type 3D printing food heating nozzle comprises a charging barrel, a cylindrical heating barrel sleeved on the charging barrel, a heating film wrapped on the surface of the charging barrel and positioned between the charging barrel and the heating barrel, a piston structure arranged in the charging barrel, and a driving mechanism connected with the piston structure; the driving mechanism controls the piston structure to axially move along the inner wall of the charging barrel; the bottom of the heating cylinder is provided with a sleeve nozzle, the bottom of the charging cylinder is provided with a nozzle, and the sleeve nozzle is sleeved on the nozzle.
Preferably, in order to prevent the food ingredients from leaking from the plunger head to the upper part of the piston structure, the piston structure comprises a plunger head and a sealing plug fixedly sleeved on the plunger head, and the sealing plug is sealed with the inner wall of the charging barrel.
Preferably, in order to accurately control the discharging speed, the driving mechanism adopts a through screw rod motor, and one end of a screw rod of the through screw rod motor is fixed with the piston structure.
Preferably, in order to make the disassembly and assembly more convenient, a clamping seat is installed at the top of the heating cylinder, a plurality of arc-shaped clamping grooves are formed in the outer wall of the clamping seat, a plurality of protrusions are distributed on the inner wall of the top of the heating cylinder, and the arc-shaped clamping grooves are fixed with the protrusions in a rotating matching mode to form a detachable rotating buckle structure.
Preferably, an adapter frame for mounting the driving mechanism is fixed at the top of the clamping seat.
The utility model discloses a theory of operation: actuating mechanism (the lead screw that runs through the motor) drive piston is extruded the food raw materials in the feed cylinder from the nozzle along feed cylinder axial motion, adopts piston structure, extrudes the material through lead screw cooperation piston structure, makes crowded material more accurate, wraps up the one deck heated film simultaneously in feed cylinder surface (heating cylinder), adopts the internal heating formula promptly, gives the feed cylinder with heat direct transfer, makes food raw materials's heating effectual.
The utility model discloses can realize following technological effect:
(1) the utility model discloses printing crowded material device adopts the internal heating formula, gives the feed cylinder with heat direct transfer, improves heat conduction efficiency, makes food raw materials's heating effectual, simultaneously, owing to wrap up the one deck heated film on feed cylinder surface (in the heating cylinder), can make whole feed cylinder be heated evenly, improves and prints the precision.
(2) The utility model discloses print crowded material device is owing to adopt the internal heating formula, therefore overall structure is succinct, does not drag the mud and take water.
(3) The utility model discloses a rotatory buckle guarantees when the installation is firm, and it is more convenient to make the dismantlement to it is more convenient to make the material loading.
Drawings
FIG. 1 is a schematic view of the overall structure of an internal heating 3D printing food heating nozzle in this embodiment;
FIG. 2 is a rear view of the internal heating 3D printing food heating nozzle of the present embodiment;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
fig. 4 is an exploded view of the internal heating type 3D printing food heating nozzle according to the present embodiment.
Description of the labeling: the heating device comprises a heating cylinder 1, a charging cylinder 2, a nozzle 21, a sleeve nozzle 3, a heating film 4, a through motor 5, a screw rod 51, a switching frame 52, a clamping seat 6, an arc-shaped clamping groove 61, a plunger head 71 and a sealing plug 72.
Detailed Description
In order to make the technical means and the technical effects achieved by the technical means of the present invention clearer and more complete, the following embodiments are provided and are described in detail with reference to the accompanying drawings as follows:
as shown in fig. 1 to 4, the internal heating 3D thermal nozzle for printing food of the present embodiment includes a material cylinder 2, a cylindrical heating cylinder 1 sleeved on the material cylinder 2, a heating film 4 wrapped on the surface of the material cylinder 2 and located between the material cylinder 2 and the heating cylinder 1, a piston structure installed in the material cylinder 2, and a driving mechanism connected to the piston structure; the driving mechanism controls the piston structure to move axially along the inner wall of the charging barrel 2; the bottom of the heating cylinder 1 is provided with a sleeve nozzle, the bottom of the charging cylinder 2 is provided with a nozzle 21, and the sleeve nozzle 3 is sleeved on the nozzle 21. Adopt piston structure to extrude the food raw materials in the feed cylinder 2, make crowded material more accurate. Adopt internal heating formula, give feed cylinder 2 with heat direct transfer, improve heat conduction efficiency, make food raw materials's heating effectual, simultaneously, owing to wrap up one deck heated film 4 in feed cylinder 2 surface (heating cylinder 1), can make whole feed cylinder 2 be heated evenly, improve the printing precision. The feed cylinder 2 in this embodiment is for adopting stainless steel, and when adopting stainless steel's feed cylinder 2 to accord with the food safety requirement, heat conduction efficiency is high. In addition, the sleeve nozzle 3 of the heating cylinder 1 is directly sleeved on the nozzle 21 of the charging cylinder 2, so that the charging cylinder 2 can be directly fixed with the heating cylinder 1 while the heat conduction efficiency is further improved and the printing effect is improved, the structure is simple and compact, and the stability of the whole structure is high during printing movement. The shower nozzle of above-mentioned structure gives the metal charging barrel with heat direct conduction, and the heating is faster, and it is more even to conduct heat, and the control of temperature is especially important to chocolate, therefore the printing effect can be better. The heating film 4 used in the present embodiment is a conventional one, and a commercially available Polyimide (PI) heating film may be used.
In order to prevent the food ingredients from leaking from the plunger head 71 to the upper part of the piston structure, the piston structure preferably comprises a plunger head 71 and a sealing plug 72 fixedly sleeved on the plunger head 71, wherein the sealing plug 72 is sealed with the inner wall of the barrel 2. Can prevent that food ingredients from revealing to the upper portion of piston structure from plunger head 71, prevent to be infected with food ingredients on the lead screw 51 to avoid food ingredients to get into the inside motor life that influences of motor.
Preferably, in this embodiment, in order to precisely control the discharging speed, the driving mechanism adopts a through screw motor (i.e. the through motor 5), and one end of the screw 51 of the through screw motor (i.e. the through motor 5) is fixed with the piston structure. By adopting the through motor 5, the axial movement distance of the piston structure can be accurately controlled, and the discharging speed can be changed by changing the rotating speed of the motor.
This embodiment is preferred, and for the messenger dismantle the installation more convenient, a cassette 6 is installed at the top of cartridge heater 1, and the outer wall of cassette 6 is equipped with a plurality of arc draw-in grooves 61, and it has a plurality of archs to distribute on the top inner wall of cartridge heater 1, and arc draw-in groove 61 is fixed through normal running fit with the arch, forms the rotatory buckle structure of detachable. This embodiment adopts four arc draw-in grooves 61, and the relevant position on 1 top inner wall of cartridge heater simultaneously sets up four circular archs, and bellied size and arc draw-in groove 61 phase-matches, during the cooperation, aim at arc draw-in groove 61 bottom back rotatory cartridge heater 1 with the arch, make the top of protruding screw in arc draw-in groove 61 to the realization is fixed. When the heating cylinder 1 needs to be disassembled, the heating cylinder is rotated reversely, so that the protrusions slide from the top to the bottom of the arc-shaped clamping grooves 61. Adopt rotatory buckle, when guaranteeing that the installation is firm, make the dismantlement more convenient to it is more convenient to make the material loading.
In the preferred embodiment, an adapter 52 for mounting a driving mechanism is fixed on the top of the clamping seat 6. Different motor adapter racks 52 can be designed to fit different FDM printer models currently on the market.
The above is a detailed description of the technical solutions provided in connection with the preferred embodiments of the present invention, and it should not be assumed that the embodiments of the present invention are limited to the above description, and it will be apparent to those skilled in the art that the present invention can be implemented in a variety of ways without departing from the spirit and scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (5)
1. Internal heating formula 3D prints food heating shower nozzle, its characterized in that: the device comprises a charging barrel, a cylindrical heating barrel sleeved on the charging barrel, a heating film wrapped on the surface of the charging barrel and positioned between the charging barrel and the heating barrel, a piston structure arranged in the charging barrel, and a driving mechanism connected with the piston structure; the driving mechanism controls the piston structure to axially move along the inner wall of the charging barrel; the bottom of the heating cylinder is provided with a sleeve nozzle, the bottom of the charging cylinder is provided with a nozzle, and the sleeve nozzle is sleeved on the nozzle.
2. The internally heated 3D printed food heating showerhead of claim 1, wherein: the piston structure comprises a plunger head and a sealing plug fixedly sleeved on the plunger head, and the sealing plug is sealed with the inner wall of the charging barrel.
3. The internally heated 3D printed food heating showerhead of claim 1, wherein: the driving mechanism adopts a through screw rod motor, and one end of a screw rod which penetrates through the screw rod motor is fixed with the piston structure.
4. The internally heated 3D printed food heating showerhead of claim 1, wherein: a cassette is installed at the top of a heating cylinder, a plurality of arc-shaped clamping grooves are formed in the outer wall of the cassette, a plurality of protrusions are distributed on the inner wall of the top of the heating cylinder, and the arc-shaped clamping grooves are fixed with the protrusions in a rotating fit mode to form a detachable rotating buckle structure.
5. The internally heated 3D printed food heating shower head of claim 4, wherein: and the top of the clamping seat is fixedly provided with an adapter bracket for mounting the driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921665145.8U CN211091699U (en) | 2019-09-30 | 2019-09-30 | Internal heating type 3D printing food heating spray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921665145.8U CN211091699U (en) | 2019-09-30 | 2019-09-30 | Internal heating type 3D printing food heating spray head |
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| Publication Number | Publication Date |
|---|---|
| CN211091699U true CN211091699U (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921665145.8U Active CN211091699U (en) | 2019-09-30 | 2019-09-30 | Internal heating type 3D printing food heating spray head |
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| CN (1) | CN211091699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023029106A1 (en) * | 2021-09-03 | 2023-03-09 | 南京威布三维科技有限公司 | Drive assembly for discharge apparatus |
-
2019
- 2019-09-30 CN CN201921665145.8U patent/CN211091699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023029106A1 (en) * | 2021-09-03 | 2023-03-09 | 南京威布三维科技有限公司 | Drive assembly for discharge apparatus |
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