3D food printer

Abstract

The invention relates to the technical field of 3D printing, and discloses a 3D food printer which comprises a printing box body, and the interior of the printing box body is divided into two cavities through a partition plate; the printing assembly is arranged in one cavity, the printing assembly comprises a material box and a printing head, and the material box is used for conveying materials to the printing head; the cleaning part is arranged in the cavity where the printing assembly is located, and the cleaning part is used for cleaning the printing head; and the conveying assembly is arranged in the other cavity, the conveying assembly comprises a conveying part and a cutting part, the bottom end of the interior of the cavity where the printing head is located is fixedly connected with a printing tray, the conveying part is used for conveying supporting paper to the printing tray, and the cutting part is arranged on the printing tray and used for cutting the supporting paper. According to 3D food printing, continuous printing of different kinds of food is achieved, and meanwhile the quality of the food is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of 3D printing, and in particular to a 3D food printer. Background Art

[0002] 3D printer, also known as three-dimensional printer, is a kind of cumulative manufacturing technology, that is, a machine of rapid prototyping technology. It is based on digital model files, uses adhesive materials, and prints layers of adhesive materials to manufacture three-dimensional objects. At present, 3D printers are used to construct and manufacture objects in a layer-by-layer printing manner. The principle of 3D printer is to put data and raw materials into the 3D printer, and the machine will make the product layer by layer according to the program. In recent years, with the development of 3D printing technology and 3D scanning technology, 3D printing technology and 3D scanning technology have gradually been applied to various industries and fields. The application and combination of 3D printing technology and 3D scanning technology have greatly shortened the design and R&D cycle of products, and improved production efficiency, thereby reducing the development cost of products.

[0003] The 3D food printer mainly includes a tray, a print head and a transmission mechanism for controlling the movement of the tray or the print head in different directions. The main function of the print head is to provide adhesive materials. The 3D food printers in the prior art are usually only used to produce the same kind of food. When continuously preparing and producing multiple foods, other types of materials will usually remain inside the print head and on the top of the printing tray, resulting in mixing of materials during subsequent printing, which in turn affects the quality of the food.

[0004] Therefore, there is an urgent need for a 3D food printer to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a 3D food printer to solve the problems existing in the above-mentioned prior art.

[0006] To achieve the above-mentioned object, the present invention provides the following solution: The present invention provides a 3D food printer, comprising a printing box, wherein the printing box is divided into two chambers by a partition plate;

[0007] A printing assembly, disposed in one of the cavities, the printing assembly comprising a material box and a print head, the material box being used to transport material to the print head;

[0008] A cleaning member, disposed in the cavity where the printing assembly is located, the cleaning member being used to clean the printing head;

[0009] A conveying component is arranged in another cavity, and the conveying component includes a conveying part and a cutting part. The bottom end of the cavity where the print head is located is fixedly connected to a printing tray. The conveying part is used to convey the paper support to the printing tray. The cutting part is arranged on the printing tray and is used to cut the paper support.

[0010] According to a 3D food printer provided by the present invention, the cleaning component includes a water tank fixedly connected to the cavity, the water tank is connected to the print head through a water pipe, a collecting tank is fixedly connected to the cavity, the collecting tank is used to collect the cleaning material flowing out of the print head, and a filter is arranged in the collecting tank, and the filter is used to filter the cleaning material in the collecting tank.

[0011] According to a 3D food printer provided by the present invention, the filter element includes a support ring fixedly connected to the collection groove, a conical plate fixedly connected to the inner wall of the support ring, a plurality of through grooves are provided at equal intervals along the circumferential direction of the conical plate, two slide grooves are provided on two inner walls opposite to the through groove, a support frame is slidably connected between the two slide grooves, a filter net is fixedly connected in the support frame, a column head is fixedly connected to the middle part of the top end of the conical plate, a driving member is arranged in the column head, and the driving member is used to drive the support frame to slide in the slide groove.

[0012] According to a 3D food printer provided by the present invention, the driving member includes a motor fixedly connected in the column head, a cam is fixedly connected to the output shaft of the motor through a transmission shaft, a push rod is slidably connected to the column head, a top plate is fixedly connected to the top end of the push rod, the top plate is in contact with the cam, and the bottom end of the push rod is in contact with the support frame.

[0013] According to a 3D food printer provided by the present invention, a plurality of grooves are formed on the inner wall of the support ring, one end of a first spring is fixedly connected in the groove, and the other end of the first spring is fixedly connected to the support frame.

[0014] According to a 3D food printer provided by the present invention, a second spring is sleeved on the top rod, and two ends of the second spring are respectively fixedly connected to the top plate and the inner wall of the column head.

[0015] According to a 3D food printer provided by the present invention, the conveying member includes a support frame fixedly connected to the cavity, a paper support roll and two conveying rollers are installed on the top of the support frame, a long hole is opened on the partition plate, and one end of the paper support on the paper support roll passes through the two conveying rollers and the long hole in sequence and is conveyed to the printing tray.

[0016] According to a 3D food printer provided by the present invention, the cutting member comprises a long groove opened on the printing tray, and a cutting blade is slidably connected to the long groove via an electric telescopic rod.

[0017] According to a 3D food printer provided by the present invention, a blocking frame is fixedly connected to the top of the printing tray, the blocking frame is located above the long slot, and the paper support is located between the blocking frame and the long slot.

[0018] According to a 3D food printer provided by the present invention, a plurality of storage cavities are provided in the material box, and the plurality of storage cavities are respectively connected to the print head through a plurality of material delivery pipes.

[0019] Compared with the prior art, the present invention has the following advantages and technical effects:

[0020] The present invention provides a 3D food printer, in which a plurality of different types of materials are stored in a material box, and the materials are transported to a print head for 3D printing of food. Before printing food, a paper support is laid on a printing tray by a transporting member, and food is printed on the paper support. After printing, the paper support is cut by a cutting member, and the print head is cleaned by a cleaning member for printing different types of food, thereby ensuring the printing quality of different types of food. The present invention realizes continuous printing of different types of food and ensures the quality of food for 3D food printing. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative labor:

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 For the present invention Figure 1 A partial enlarged view of the middle part;

[0024] Figure 3 This is a schematic diagram of the collecting tank structure of the present invention;

[0025] Figure 4 For the present invention Figure 3 A partial enlarged view of point B in the middle;

[0026] Figure 5 For the present invention Figure 3 A partial enlarged view of point C in the middle;

[0027] Figure 6 It is a schematic diagram of the top surface of the conical plate of the present invention;

[0028] Among them, 1. printing box; 2. partition plate; 3. cavity; 4. material box; 5. print head; 6. printing tray; 7. water tank; 8. water pipe; 9. collecting trough; 10. support ring; 11. conical plate; 12. through groove; 13. slide groove; 14. support frame; 15. filter screen; 16. column head; 17. motor; 18. transmission shaft; 19. cam; 20. push rod; 21. top plate; 22. first spring; 23. second spring; 24. support frame; 25. paper roll; 26. conveying roller; 27. long hole; 28. long groove; 29. ​​electric telescopic rod; 30. cutting blade; 31. blocking frame; 32. storage cavity; 33. material pipe; 34. groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] A 3D food printer in the related art includes a food raw material container, which is arranged inside a frame, and has a downward discharge port below the food raw material container, and a printing platform is arranged below the discharge port, and the food raw material container or the printing platform is connected to a three-dimensional displacement moving device. An annular cold air outlet is arranged around the discharge port, and compressed air is introduced into one end of the air inlet through a vortex tube. A screw is inserted from top to bottom inside the food raw material container, and the screw is connected to a raw material stepper motor. The three-dimensional displacement moving device includes an X-direction stepper motor and an X-direction slide rail arranged in the horizontal direction, a Y-direction stepper motor and a Y-direction slide rail, and a Z-direction stepper motor and a Z-direction slide rail arranged in the vertical direction. The three-dimensional displacement moving device can cause the printing platform or the food raw material container to generate a three-dimensional displacement movement, and can quickly shape the liquid food raw material, maintain the appearance of the finished product, and use food as a material to print a three-dimensional finished product. The above-mentioned related technologies do not have the function of cleaning the printing tray and the printing head, and thus, when continuously producing different types of food, it is easy to cause several types of materials to mix, affecting the quality of the printed food. In view of the above-mentioned related problems, the present invention provides the following technical solutions:

[0032] Reference Figure 1-Figure 6 The present invention provides a 3D food printer, comprising a printing box 1,

[0033] The printing box 1 is divided into two chambers 3 by a partition plate 2;

[0034] A printing assembly is arranged in one of the cavities 3, and the printing assembly includes a material box 4 and a print head 5, wherein the material box 4 is used to transport materials to the print head 5;

[0035] A cleaning member is disposed in the cavity 3 where the printing assembly is located, and is used to clean the printing head 5;

[0036] The conveying component is arranged in another cavity 3, and the conveying component includes a conveying part and a cutting part. The bottom end of the cavity where the print head 5 is located is fixedly connected to a printing tray 6. The conveying part is used to convey the paper support to the printing tray 6, and the cutting part is arranged on the printing tray 6 for cutting the paper support.

[0037] In one embodiment of the present invention, a number of different types of materials are stored in a material box 4, which are transported to a print head 5 for 3D printing of food. Before printing the food, a paper support is laid on a printing tray 6 by a provided transport component, and food is printed on the paper support. After printing, the paper support is cut by a provided cutting component. At the same time, for printing of different types of food, the print head 5 is cleaned by a provided cleaning component, thereby ensuring the printing quality of different types of food.

[0038] Specifically, the print head 5 can be moved via a three-axis moving platform.

[0039] As an optional embodiment, the cleaning component includes a water tank 7 fixedly connected to the cavity 3, the water tank 7 is connected to the print head 5 through a water pipe 8, a collecting tank 9 is fixedly connected to the cavity 3, the collecting tank 9 is used to collect the cleaning material flowing out of the print head 5, and a filter is provided in the collecting tank 9, the filter is used to filter the cleaning material in the collecting tank 9.

[0040] In one embodiment of the present invention, clean water is stored in the water tank 7. After printing is completed, the print head 5 is moved above the collecting tank 9, and clean water is delivered into the print head 5 to clean the print head 5.

[0041] As an optional embodiment, the filter element includes a support ring 10 fixedly connected to the collecting tank 9, a conical plate 11 is fixedly connected to the inner wall of the support ring 10, a plurality of through grooves 12 are opened on the conical plate 11 at equal intervals along the circumferential direction, two slide grooves 13 are opened on the two inner walls opposite to each other of the through groove 12, a support frame 14 is slidably connected between the two slide grooves 13, a filter screen 15 is fixedly connected in the support frame 14, a column head 16 is fixedly connected in the middle of the top end of the conical plate 11, a driving member is arranged in the column head 16, and the driving member is used to drive the support frame 14 to slide in the slide groove 13.

[0042] In one embodiment of the present invention, a plurality of through slots 12 are slidably connected to support frames 14 , respectively. The filter net 15 in the support frame 14 is used to filter the flushed material.

[0043] Specifically, the structural shape of the conical plate 11 enables the filter screen 15 to be arranged at an angle, thereby ensuring the filtering efficiency.

[0044] As an optional embodiment, the driving member includes a motor 17 fixedly connected to the column head 16, a cam 19 is fixedly connected to the output shaft of the motor 17 through a transmission shaft 18, a push rod 20 is slidably connected to the column head 16, a top plate 21 is fixedly connected to the top end of the push rod 20, the top plate 21 is in contact with the cam 19, and the bottom end of the push rod 20 is in contact with the support frame 14.

[0045] In one embodiment of the present invention, the cam 19 is driven to rotate by the motor 17. As the cam 19 rotates, when its long end presses the top plate 21 downward, it drives the top rod 20 to move downward, and then lowers and presses the support frame 14 diagonally downward.

[0046] Specifically, one end of the support frame 14 is provided with a plurality of inclined surfaces to ensure that the top rod 20 drives the support frame 14 to move.

[0047] As an optional implementation, a plurality of grooves 34 are formed on the inner wall of the support ring 10 , one end of the first spring 22 is fixedly connected in the groove 34 , and the other end of the first spring 22 is fixedly connected to the support frame 14 .

[0048] In one embodiment of the present invention, the first spring 22 is provided to ensure that the push rod 20 can drive the support frame 14 to return to its original position when no force is applied to the support frame 14 .

[0049] Specifically, the reciprocating motion of the support frame 14 is achieved by the first spring 22 , thereby achieving the oblique vibration of the support frame 14 , and the filtering effect of the filter 15 is ensured by cooperating with the inclined support frame 14 to avoid clogging of the filter 15 .

[0050] As an optional implementation, a second spring 23 is sleeved on the top rod 20 , and two ends of the second spring 23 are fixedly connected to the top plate 21 and the inner wall of the column head 16 respectively.

[0051] In one embodiment of the present invention, the second spring 23 is provided to ensure that the cam 19 can drive the ejector rod 20 to return to its original position when no force is applied to the ejector plate 21 .

[0052] As an optional embodiment, the conveying member includes a support frame 24 fixedly connected to the cavity 3, a paper support roll 25 and two conveying rollers 26 are installed on the top of the support frame 24, a long hole 27 is opened on the partition plate 2, and one end of the paper on the paper support roll 25 passes through the two conveying rollers 26 and the long hole 27 in turn and is conveyed to the printing tray 6.

[0053] In one embodiment of the present invention, a support paper is wound on the support paper roll 25, and the support paper is transported to the printing tray 6 through the long hole 27 by two conveying rollers 26, and the printed food is subsequently placed on the support paper.

[0054] As an optional embodiment, the cutting member includes a long slot 28 opened on the printing tray 6, and a cutting blade 30 is slidably connected to the long slot 28 via an electric telescopic rod 29.

[0055] In one embodiment of the present invention, the electric telescopic rod 29 is provided to drive the cutting blade 30 to cut the paper support, so that the paper support with printed food can be removed. There is no need to clean the printing tray 6. Only the paper support needs to be replaced before the next printing can be carried out, thereby improving the printing efficiency and ensuring the quality of the printed food.

[0056] As an optional implementation, a blocking frame 31 is fixedly connected to the top of the printing tray 6 , the blocking frame 31 is located above the long slot 28 , and the paper support is located between the blocking frame 31 and the long slot 28 .

[0057] In one embodiment of the present invention, when the cutting blade 30 moves upward to cut the supporting paper, the blocking frame 31 is provided to block the cutting blade 30, thereby ensuring stable cutting of the supporting paper.

[0058] Specifically, a blocking groove adapted to the cutting blade 30 may be provided on the blocking frame 31 to further ensure the cutting effect.

[0059] As an optional implementation, a plurality of storage chambers 32 are provided in the material box 4 , and the plurality of storage chambers 32 are respectively connected to the print head 5 through a plurality of material delivery pipes 33 .

[0060] In one embodiment of the present invention, the plurality of storage chambers 32 are respectively used to store a plurality of different materials, thereby making different types of food.

[0061] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0062] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A 3D food printer, comprising a printing box (1), characterized in that: The printing box (1) is divided into two chambers (3) by a partition plate (2); A printing assembly, arranged in one of the cavities (3), the printing assembly comprising a material box (4) and a printing head (5), the material box (4) being used to transport material to the printing head (5); a cleaning component, arranged in the cavity (3) where the printing assembly is located, the cleaning component being used to clean the printing head (5); A conveying component is arranged in another cavity (3), and the conveying component includes a conveying member and a cutting member. The bottom end of the cavity where the print head (5) is located is fixedly connected to a printing tray (6), and the conveying member is used to convey the support paper to the printing tray (6). The cutting member is arranged on the printing tray (6) and is used to cut the support paper.

2. A 3D food printer according to claim 1, characterized in that: The cleaning component comprises a water tank (7) fixedly connected to the cavity (3); the water tank (7) is connected to the print head (5) via a water pipe (8); a collecting tank (9) is fixedly connected to the cavity (3); the collecting tank (9) is used to collect cleaning material flowing out of the print head (5); a filter is arranged in the collecting tank (9); the filter is used to filter the cleaning material in the collecting tank (9).

3. A 3D food printer according to claim 2, characterized in that: The filter element comprises a support ring (10) fixedly connected in the collecting groove (9), a conical plate (11) fixedly connected on the inner wall of the support ring (10), a plurality of through grooves (12) equidistantly provided on the conical plate (11) along the circumferential direction, two slide grooves (13) provided on two inner walls opposite to the through groove (12), a support frame (14) slidably connected between the two slide grooves (13), a filter screen (15) fixedly connected in the support frame (14), a column head (16) fixedly connected in the middle of the top end of the conical plate (11), a driving member provided in the column head (16), the driving member being used to drive the support frame (14) to slide in the slide groove (13).

4. A 3D food printer according to claim 3, characterized in that: The driving member comprises a motor (17) fixedly connected in the column head (16); a cam (19) is fixedly connected to the output shaft of the motor (17) via a transmission shaft (18); a push rod (20) is slidably connected to the column head (16); a top end of the push rod (20) is fixedly connected to a top plate (21); the top plate (21) is in contact with the cam (19); and the bottom end of the push rod (20) is in contact with the support frame (14).

5. A 3D food printer according to claim 3, characterized in that: A plurality of grooves (34) are provided on the inner wall of the support ring (10), one end of a first spring (22) is fixedly connected in the groove (34), and the other end of the first spring (22) is fixedly connected to the support frame (14).

6. A 3D food printer according to claim 4, characterized in that: A second spring (23) is sleeved on the top rod (20), and two ends of the second spring (23) are respectively fixedly connected to the top plate (21) and the inner wall of the column head (16).

7. A 3D food printer according to claim 1, characterized in that: The conveying member comprises a support frame (24) fixedly connected to the cavity (3), a paper support roll (25) and two conveying rollers (26) are installed on the top of the support frame (24), a long hole (27) is opened on the partition plate (2), and one end of the paper support on the paper support roll (25) passes through the two conveying rollers (26) and the long hole (27) in sequence and is conveyed to the printing tray (6).

8. A 3D food printer according to claim 7, characterized in that: The cutting piece comprises a long slot (28) opened on the printing tray (6), and a cutting blade (30) is slidably connected in the long slot (28) via an electric telescopic rod (29).

9. A 3D food printer according to claim 8, characterized in that: The top of the printing tray (6) is fixedly connected with a blocking frame (31), the blocking frame (31) is located above the long groove (28), and the paper support is located between the blocking frame (31) and the long groove (28).

10. The 3D food printer according to claim 1, characterized in that: A plurality of storage chambers (32) are provided in the material box (4), and the plurality of storage chambers (32) are respectively connected to the printing head (5) through a plurality of material delivery pipes (33).

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