A melting device for 3D printing

Abstract

This invention discloses a melting device for 3D printing, including a discharge pipe. A hollow cylinder is fixedly installed on the outside of the discharge pipe. A first pipe is fixedly embedded in the top of the hollow cylinder, and a second pipe is fixedly embedded in the side of the hollow cylinder. A circulation mechanism for facilitating the circulation of heating oil is installed between the first and second pipes. In use, this invention heats the heating oil inside the heating tank using an electric heating element. Then, a pump is activated to inject the heating oil into the hollow cylinder through the first pipe, and the heating oil inside the hollow cylinder is drawn into the heating tank through the second pipe. This process is repeated, heating the discharge pipe with the heating oil to prevent the material at the discharge port from clogging due to temperature drop, ensuring printing quality. Simultaneously, the heating oil coating ensures uniform heating.

Description

Technical Field

[0001] This utility model relates to the field of 3D printing, specifically a melting device for 3D printing. Background Technology

[0002] 3D printing (3DP), also known as additive manufacturing technology (AM), is a technology that manufactures solid parts by adding materials layer by layer based on three-dimensional CAD data; the historical development of 3D printing technology is a process of continuous progress and expansion.

[0003] The discharge channel in 3D printing has a certain length. When the raw material passes through the discharge channel, heat is lost and the flowability of the raw material decreases, which can easily clog the discharge channel, resulting in poor material discharge and affecting the printing quality. Therefore, there is an urgent need for a device to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a melting device for 3D printing to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a melting device for 3D printing, comprising a discharge pipe, a hollow cylinder fixedly disposed on the outside of the discharge pipe, a first pipe fixedly disposed on the top of the hollow cylinder, a second pipe fixedly disposed on the side of the hollow cylinder, and a circulation mechanism for facilitating the circulation of heating oil installed between the first pipe and the second pipe.

[0006] Preferably, the circulation mechanism includes a temperature control component, a heating tank, an electric heating element, a first solenoid valve, a pump body, and a second solenoid valve. The first solenoid valve is installed on one side of the second pipe, the pump body is installed on one side of the first solenoid valve, the heating tank is fixed to the top of the pump body, the electric heating element is embedded and fixed inside the heating tank, the second solenoid valve is embedded and fixed to the top of the heating tank, and the second solenoid valve is installed at the bottom of the first pipe. The temperature control component is located on the outside of the heating tank. In use, the electric heating element heats the heating oil inside the heating tank, and then the pump body is started to inject the heating oil into the hollow cylinder through the first pipe, and the heating oil inside the hollow cylinder is drawn into the heating tank through the second pipe. This process is repeated to heat the discharge pipe with the heating oil, preventing the raw material at the discharge port from clogging due to temperature drop, ensuring printing quality, and ensuring uniform heating by wrapping the heating with heating oil.

[0007] Preferably, the temperature control component includes a control box, a display screen, and an electronic thermometer. The control box is fixed to one side of the heating tank, the display screen is embedded and fixed to one side of the control box, and the electronic thermometer is embedded and fixed to the top of the heating tank. In use, the heating tube temperature is set through the control box, and the heating oil temperature is detected through the electronic thermometer. The real-time temperature is displayed on the display screen for convenient real-time monitoring.

[0008] Preferably, the hollow cylinder is filled with heating oil.

[0009] Preferably, the heating tank is filled with heating oil.

[0010] Preferably, the pump body's top output end extends into the heating tank via a pipe.

[0011] Preferably, the control box, electronic thermometer, display screen, and heating element are electrically connected.

[0012] Compared with the prior art, the beneficial effects of this utility model are: During use, the heating oil inside the heating tank is heated by an electric heating element. Then, the pump body is started to inject the heating oil into the hollow cylinder through the first pipe, and the heating oil inside the hollow cylinder is drawn into the heating tank through the second pipe. This process is repeated to heat the discharge pipe with the heating oil, preventing the material at the discharge port from clogging due to temperature drop and ensuring printing quality. At the same time, the heating oil also ensures uniform heating. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of a melting device for 3D printing according to the present invention; Figure 2 This is a side view of a melting device for 3D printing according to the present invention; Figure 3 This is a cross-sectional view of a melting device for 3D printing according to the present invention.

[0014] In the diagram: 1. Discharge pipe; 2. Hollow cylinder; 3. First pipe; 4. Second pipe; 5. Heating tank; 6. Pump body; 7. First solenoid valve; 8. Second solenoid valve; 9. Electronic thermometer; 10. Heating element; 11. Control box; 12. Display screen. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-3 This utility model provides a melting device for 3D printing, including a discharge pipe 1, a hollow cylinder 2 welded and fixed to the outside of the discharge pipe 1, the hollow cylinder 2 being filled with heating oil, a first pipe 3 embedded and fixed to the top of the hollow cylinder 2, a second pipe 4 embedded and fixed to the side of the hollow cylinder 2, and a circulation mechanism for facilitating the circulation of heating oil installed between the first pipe 3 and the second pipe 4.

[0017] The circulation mechanism includes a temperature control component, a heating tank 5, an electric heating element 10, a first solenoid valve 7, a pump body 6, and a second solenoid valve 8. The first solenoid valve 7 is installed on one side of the second pipe 4 via a connecting valve. The pump body 6 is installed on one side of the first solenoid valve 7 via a connecting valve. The heating tank 5 is fixed to the top of the pump body 6 with bolts. The heating tank 5 is filled with heating oil. The output end of the top of the pump body 6 extends into the heating tank 5 via a pipe. The electric heating element 10 is embedded and fixed inside the heating tank 5. The second solenoid valve 8 is embedded and fixed to the top of the heating tank 5. The second solenoid valve 8 is installed at the bottom of the first pipe 3 via a connecting valve. The temperature control component is on the outside of the heating tank 5.

[0018] The temperature control assembly includes a control box 11, a display screen 12, and an electronic thermometer 9. The control box 11 is fixed to one side of the heating tank 5 by bolts, the display screen 12 is embedded and fixed to one side of the control box 11, and the electronic thermometer 9 is embedded and fixed to the top of the heating tank 5. The control box 11, the electronic thermometer 9, the display screen 12, and the heating element 10 are electrically connected.

[0019] Working principle: During use, the heating oil inside the heating tank 5 is heated by the heating tube 10. Then, the pump body 6 is started to inject the heating oil into the hollow cylinder 2 through the first pipe 3, and the heating oil inside the hollow cylinder 2 is drawn into the heating tank 5 through the second pipe 4. This process is repeated to heat the discharge pipe 1 through the heating oil, preventing the material at the discharge port from clogging due to temperature drop, thus ensuring printing quality. At the same time, the heating oil also ensures uniform heating.

[0020] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0021] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A melting apparatus for 3D printing, comprising a discharge pipe (1), characterized in that: A hollow cylinder (2) is fixedly installed on the outside of the discharge pipe (1). A first pipe (3) is fixedly installed at the top of the hollow cylinder (2). A second pipe (4) is fixedly installed on the side of the hollow cylinder (2). A circulation mechanism for facilitating the circulation of heating oil is installed between the first pipe (3) and the second pipe (4). The circulation mechanism includes a temperature control component, a heating tank (5), an electric heating tube (10), a first solenoid valve (7), a pump body (6), and a second solenoid valve (8). The first solenoid valve (7) is installed on one side of the second pipe (4). The pump body (6) is installed on one side of the first solenoid valve (7). The heating tank (5) is fixed at the top of the pump body (6). The electric heating tube (10) is fixedly installed inside the heating tank (5). The second solenoid valve (8) is fixedly installed at the top of the heating tank (5). The second solenoid valve (8) is installed at the bottom of the first pipe (3). The temperature control component is located on the outside of the heating tank (5).

2. The melting device for 3D printing according to claim 1, characterized in that: The temperature control assembly includes a control box (11), a display screen (12), and an electronic thermometer (9). The control box (11) is fixed to one side of the heating tank (5), the display screen (12) is embedded and fixed to one side of the control box (11), and the electronic thermometer (9) is embedded and fixed to the top of the heating tank (5).

3. A melting device for 3D printing according to claim 1, characterized in that: The hollow cylinder (2) is filled with heating oil.

4. A melting device for 3D printing according to claim 1, characterized in that: The pump body (6) has its top output end extended through a pipe into the heating tank (5).

5. A melting device for 3D printing according to claim 2, characterized in that: The control box (11), electronic thermometer (9), display screen (12) and heating element (10) are electrically connected.

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