3D printing pen

Abstract

According to the technical scheme, the 3D printing pen is characterized in that the 3D printing pen comprises a pen body and a pen point; the pen point is detachably arranged at the lower end of the pen body; a discharging nozzle is arranged on the pen point; the pen body is internally provided with a storage barrel used for storing materials, a first heating module used for heating the storage barrel, a pushing module used for pushing the heated materials in the storage barrel to the discharging nozzle, a second heating module used for conducting heat preservation and heating on the materials in the discharging nozzle and a control module. The discharge nozzle is communicated with the discharge end of the storage barrel; the control module is in electric signal connection with the first heating module, the second heating module and the pushing module. The overall structure is stable, convenient to install, small and exquisite, convenient to carry and capable of effectively improving operability; and the second heating module is arranged at the discharging nozzle to conduct heat preservation and heating on the materials, and the situation that the discharging nozzle is blocked by the materials can be avoided.

Description

Technical Field

[0001] This utility model relates to the field of 3D printing technology, and more specifically, to a 3D printing pen. Background Technology

[0002] With the development of 3D printing technology, its integration with food is a future trend. However, most 3D printing equipment on the market can only print linear plastic materials for industrial applications, and few can be applied to the food industry.

[0003] Chinese invention patent CN104824301A discloses a chocolate 3D printer. The printer includes a base, tray, frame, worktable, constant temperature heating device, and chocolate extrusion device. The constant temperature heating device heats the chocolate and the chocolate is extruded by the chocolate extrusion device. However, the printer has a complex structure, is too bulky, has low operability, and is not easy to carry. Furthermore, during use, the extrusion device's nozzle does not have a corresponding heating structure, which easily leads to material clogging the outlet, causing the equipment to malfunction and affecting work efficiency and results. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a 3D printing pen with the following advantages.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a 3D printing pen, comprising: a pen body and a pen tip; the pen tip is detachably disposed at the lower end of the pen body; the pen tip is provided with a discharge nozzle; the pen body is provided with a storage cylinder for storing materials, a first heating module for heating the storage cylinder, a pushing module for pushing the heated material in the storage cylinder to the discharge nozzle, a second heating module for heat preservation and heating the material in the discharge nozzle, and a control module; the discharge nozzle is connected to the discharge end of the storage cylinder; the control module is electrically connected to the first heating module, the second heating module, and the pushing module respectively.

[0006] Optionally, the feeding module includes: a motor, a synchronous gear set, a distributor adapted to the storage cylinder, a plane bearing, a feeding screw, a guide block, and a piston adapted to the storage cylinder; a fixed seat is provided inside the pen body; the fixed seat is located in the gap between the storage cylinder and the mounting base; a guide groove is provided on the mounting base; the motor and the synchronous gear set are mounted inside the pen body through the fixed seat, and the output end of the motor is drivenly connected to the output end of the synchronous gear set; the output end of the feeding screw is drivenly connected to the input end of the synchronous gear set, and its extension end is connected to... After passing through the upper end of the fixed base, it is fixedly connected to the guide block; the guide block is slidably installed in the guide groove; the piston is slidably installed in the storage cylinder; the distributor is slidably installed in the storage cylinder and located in the gap between the outlet of the storage cylinder and the piston; the distributor has several distribution channels; the output end of the pusher screw passes through the plane bearing, the lower end of the fixed base and the top of the storage cylinder in sequence and is fixedly connected to the piston; the pusher screw is rotatably connected to the fixed base through the plane bearing; the motor is electrically connected to the control module.

[0007] Optionally, the control module includes: a control circuit board, a battery, a control switch, a temperature adjustment button, and a display screen; a mounting base is provided inside the pen body; the control circuit board and the battery are mounted inside the pen body through the mounting base; the battery is electrically connected to the control panel; the control switch and the temperature adjustment button are mounted on the top of the pen body in a relative position; the display screen is mounted on the pen body; the control circuit board is electrically connected to the first heating film, the second heating module, and the pusher module respectively.

[0008] Optionally, the first heating module includes: at least one first heating film; the heating film is wrapped around the outer wall of the storage cylinder; the heating film is electrically connected to the control circuit board.

[0009] Optionally, the second heating module includes: a second heating film and a heating ring; the heating film is attached to the discharge end of the storage cylinder; the heating ring is installed inside the discharge nozzle and abuts against the second heating film; the second heating film is electrically connected to the control circuit board.

[0010] Optionally, the piston is provided with a receiving groove on its outside; a rubber ring is provided in the receiving groove; the rubber ring abuts against the inner wall of the receiving groove and the inner wall of the storage cylinder respectively.

[0011] Optionally, the outer wall of the pen body is provided with a charging port adapted to the battery.

[0012] Optionally, the material is chocolate material.

[0013] This utility model has a stable overall structure and is easy to install; its overall structure is also compact, lightweight, and easy to carry, effectively improving its operability; and a second heating module is set at the discharge nozzle to keep the material warm and heat it, which can prevent the material from clogging the discharge nozzle. Attached Figure Description

[0014] Figure 1 This is an assembly drawing of this utility model;

[0015] Figure 2 yes Figure 1 The right view;

[0016] Figure 3 yes Figure 1 A sectional view;

[0017] Figure 4 This is a schematic diagram of the pusher module of this utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the splitter in this utility model.

[0019] In the diagram: 1. Pen body; 2. Pen tip; 3. Discharge nozzle; 4. Storage cylinder; 5. First heating module; 51. First heating film; 6. Pushing module; 61. Motor; 62. Synchronous gear set; 63. Planar bearing; 64. Pushing screw; 65. Guide block; 66. Piston; 67. Rubber ring; 68. Diverter; 69. Distributing channel; 7. Second heating module; 71. Second heating film; 72. Heating ring; 8. Control module; 81. Control circuit board; 82. Control switch; 83. Temperature adjustment button; 84. Display screen; 85. Charging port; 9. Mounting base; 10. Fixing base; 11. Slide groove. Detailed Implementation

[0020] To make the objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein.

[0021] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical signal connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature.

[0022] In this invention, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" of the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature. The terms "vertical," "horizontal," "left," "right," "above," "below," and similar expressions are for illustrative purposes only and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and therefore should not be construed as limiting the invention.

[0023] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] like Figure 1-4As shown, this utility model provides a 3D printing pen, including: a pen body 1 and a pen tip 2; the pen tip 2 is detachably disposed at the lower end of the pen body 1; the pen tip 2 is provided with a discharge nozzle 3; the pen body 1 is provided with a storage cylinder 4 for storing materials, a first heating module 5 for heating the storage cylinder 4, a pushing module 6 for pushing the heated material in the storage cylinder 4 to the discharge nozzle 3, a second heating module 7 for heat preservation of the material in the discharge nozzle 3, and a control module 8; the discharge nozzle 3 is connected to the discharge end of the storage cylinder 4; the control module 8 is electrically connected to the first heating module 5, the second heating module 7 and the pushing module 6 respectively; the overall structure is stable and easy to install; and its overall structure is compact, lightweight and easy to carry, effectively improving its operability; and the second heating module is provided at the discharge nozzle 3 to heat the material, which can prevent the material from clogging the discharge nozzle 3.

[0025] Further, the feeding module 6 includes: a motor 61, a synchronous gear set 62, a distributor 68 adapted to the storage cylinder 4, a plane bearing 63, a feeding screw 64, a guide block 65, and a piston 66 adapted to the storage cylinder 4; a fixed seat 10 is provided inside the pen body 1; the fixed seat 10 is located in the gap between the storage cylinder 4 and the mounting seat 9; a guide groove is provided on the mounting seat 9; the motor 61 and the synchronous gear set 62 are mounted inside the pen body 1 through the fixed seat 10, and the output end of the motor 61 is drivenly connected to the output end of the synchronous gear set 62; the output end of the feeding screw 64 is drivenly connected to the input end of the synchronous gear set 62, and its extension The extension end passes through the upper end of the fixed base 10 and is fixedly connected to the guide block 65; the guide block 65 is slidably installed in the guide groove; the piston 66 is slidably installed in the storage cylinder 4; the distributor 68 is slidably installed in the storage cylinder 4 and is located in the gap between the outlet of the storage cylinder 4 and the piston 66; the distributor 68 has several distribution channels 69; the output end of the pusher screw 64 passes through the plane bearing 63, the lower end of the fixed base 10 and the top of the storage cylinder 4 in sequence and is fixedly connected to the piston 66; the pusher screw 64 is rotatably connected to the fixed base 10 through the plane bearing 63; the motor 61 is electrically connected to the control module.

[0026] In this embodiment, as Figure 1-4As shown, motor 61 is a motor. In other embodiments, different motors 61, including servo motors 61, can be used to replace it according to the actual application. During operation, motor 61 drives pusher screw 64 to rotate through synchronous gear module. During the rotation of pusher screw 64, it drives piston 66 at its output end to push out, thereby pushing the heated and melted material in storage cylinder 4 from the discharge end of storage cylinder 4 to the discharge nozzle 3 of pen head 2 through diverter 68, and finally conveying it out through discharge nozzle 3. A plane bearing 63 is provided on the fixed base 10 to rotate the pusher screw, so that the thrust generated by pusher screw 64 during operation is converted into rolling force on the bearing, effectively improving the service life of the product. The diverter 68 is mainly used to divert the material for discharge, ensuring that the discharge from the discharge port of storage cylinder 4 is a continuous and slender material, so as to ensure the product's performance.

[0027] Furthermore, the control module includes: a control circuit board 81, a battery, a control switch 82, a temperature adjustment button 83, and a display screen 84; a mounting base 9 is provided inside the pen body 1; the control circuit board 81 and the battery are mounted inside the pen body 1 through the mounting base 9; the battery is electrically connected to the control panel; the control switch 82 and the temperature adjustment button 83 are mounted opposite each other on the top of the pen body 1; the display screen 84 is mounted on the pen body 1; the control circuit board 81 is electrically connected to the first heating film 51, the second heating module 7, and the pusher module 6 respectively.

[0028] Furthermore, the first heating module 5 includes: at least one first heating film 51; the heating film is wrapped around the outer wall of the storage cylinder 4; the heating film is electrically connected to the control module 8.

[0029] In this embodiment, as Figure 1-3 As shown, the first heating film 51 is a far-infrared electric heating film. The heating method of the far-infrared heating film is mainly through wavelength penetration heating, supplemented by heat conduction heating. Compared with the previous heating method of heat transfer through heating cylinder, the heating effect can achieve a more stable filament output effect.

[0030] In this embodiment, as Figure 1-3 As shown, the battery provides power to the control circuit board 81 and the drive module; the control switch 82 is used to adjust the power supply between the control circuit board 81 and the drive module and the battery; the temperature control button 83 is used to adjust the temperature of the first heating module and the second heating module; and the display screen 84 is used to display the internal circuit status and working condition of the printer pen.

[0031] Furthermore, the second heating module 7 includes: a second heating film 71 and a heating ring 72; the heating film is attached to the discharge end of the storage cylinder 4; the heating ring 72 is installed inside the discharge nozzle 3 and abuts against the second heating film 71; the second heating film 71 is electrically connected to the control circuit board 81.

[0032] In this embodiment, as Figure 1-3 As shown, the first heating film 51 is also a far-infrared electric heating film. By setting a heating ring 72 to contact the second heating film 71, the metal can easily conduct heat, so as to keep the material at the discharge nozzle 3 warm and prevent the discharge nozzle 3 from being easily blocked.

[0033] Furthermore, the piston 66 is provided with a receiving groove on its exterior; a rubber ring 67 is provided inside the receiving groove; the rubber ring 67 abuts against the inner wall of the receiving groove and the inner wall of the storage cylinder 4 respectively.

[0034] In this embodiment, as Figure 3-4 As shown, by setting the rubber ring 67, the backflow of materials can be prevented.

[0035] Optionally, the outer wall of the pen body 1 is provided with a charging port 85.

[0036] This utility model discloses a 3D printing pen with a stable overall structure and convenient installation. Its compact and lightweight design makes it easy to carry and effectively improves operability. A second heating module is installed at the discharge nozzle 3 to keep the material warm, preventing material blockage at the nozzle 3. The far-infrared electric heating film heating method, compared to the previous method of heating via a heating cylinder, effectively provides heating for the material, achieving a more stable filament output.

[0037] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A 3D printing pen characterized by, include: The pen body and pen tip are detachably disposed at the lower end of the pen body. The pen tip is provided with a discharge nozzle. The pen body is provided with a storage cylinder for storing materials, a first heating module for heating the storage cylinder, a pushing module for pushing the heated material in the storage cylinder to the discharge nozzle, a second heating module for heat preservation of the material in the discharge nozzle, and a control module. The discharge nozzle is connected to the discharge end of the storage cylinder. The control module is electrically connected to the first heating module, the second heating module, and the pushing module respectively.

2. A 3D printing pen according to claim 1, characterized in that, The feeding module includes: a motor, a synchronous gear set, a distributor adapted to the storage cylinder, a plane bearing, a feeding screw, a guide block, and a piston adapted to the storage cylinder; a fixed seat and a mounting seat are provided inside the pen body; the fixed seat is located in the gap between the storage cylinder and the mounting seat; a guide groove is provided on the mounting seat; the motor and the synchronous gear set are mounted inside the pen body through the fixed seat, and the output end of the motor is drivenly connected to the output end of the synchronous gear set; the output end of the feeding screw is drivenly connected to the input end of the synchronous gear set, and its extension end is connected to... After passing through the upper end of the fixed base, it is fixedly connected to the guide block; the guide block is slidably installed in the guide groove; the piston is slidably installed in the storage cylinder; the distributor is slidably installed in the storage cylinder and located in the gap between the outlet of the storage cylinder and the piston; the distributor has several distribution channels; the output end of the pusher screw passes through the plane bearing, the lower end of the fixed base and the top of the storage cylinder in sequence and is fixedly connected to the piston; the pusher screw is rotatably connected to the fixed base through the plane bearing; the motor is electrically connected to the control module.

3. A 3D printing pen according to claim 2, wherein, The control module includes: a control circuit board, a battery, a control switch, a temperature adjustment button, and a display screen; the control circuit board and the battery are mounted in the pen body via the mounting base; the battery is electrically connected to the control panel; the control switch and the temperature adjustment button are mounted on the top of the pen body in a relative position; the display screen is mounted on the pen body; the control circuit board is electrically connected to the first heating module, the second heating module, and the feeding module respectively.

4. A 3D printing pen according to claim 3, wherein, The first heating module includes: at least one first heating film; the heating film is wrapped around the outer wall of the storage cylinder; the heating film is electrically connected to the control circuit board.

5. The 3D printing pen according to claim 3, wherein, The second heating module includes: a second heating film and a heating ring; the heating film is attached to the discharge end of the storage cylinder; the heating ring is installed inside the discharge nozzle and abuts against the second heating film; the second heating film is electrically connected to the control circuit board.

6. The 3D printing pen of claim 2, wherein, The piston is provided with a receiving groove on its outside; a rubber ring is provided in the receiving groove; the rubber ring abuts against the inner wall of the receiving groove and the inner wall of the storage cylinder respectively.

7. The 3D printing pen according to claim 4, wherein, The outer wall of the pen body is provided with a charging port that is compatible with the battery.

8. A 3D printing pen according to any one of claims 1-7, characterized in that, The material is chocolate material.

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