Mixing device for raw materials of 3D printing materials

Abstract

The 3D printing raw material mixing device comprises a kettle body, a jacket, a kettle cover, a motor and a stirrer, the kettle cover is arranged at the top end of the kettle body, the motor is arranged on the upper surface of the kettle cover, and the jacket is arranged outside the kettle body; the stirrer comprises a main shaft, a frame stirring paddle, a pore plate stirring paddle and a plate type stirring paddle, the frame stirring paddle is arranged on one side of the main shaft, the pore plate stirring paddle is arranged on the other side of the main shaft, and the plate type stirring paddle is arranged at the bottom of the main shaft; according to the present invention, the structure is reasonable, the frame stirring paddle and the pore plate stirring paddle are respectively arranged on the two sides of the main shaft, the plate type stirring paddle is arranged at the bottom of the main shaft, and the stirring effect on the raw material is substantially improved through the frame stirring paddle, the pore plate stirring paddle and the plate type stirring paddle; therefore, the quality of the 3D printing material is improved.

Description

Technical Field

[0001] This invention relates to the field of 3D printing material mixing equipment technology, specifically to a mixing device for 3D printing material raw materials. Background Technology

[0002] The core of 3D printing material selection is to match materials with different properties based on process requirements and performance indicators. Some 3D printing materials need to be mixed, such as resins for photopolymerization (SLA / DLP / LCD) printing, binder jetting (such as full-color sandstone and metal), and special filaments.

[0003] Existing mixing devices for 3D printing materials generally use a single type of mixing paddle, that is, two identical mixing paddles are symmetrically installed on both sides of the main shaft. This type of mixer has a limited mixing effect and there is still considerable room for improvement in the mixing effect. Therefore, there is an urgent need for an improved technology to solve this problem in the existing technology. Summary of the Invention

[0004] The purpose of this invention is to provide a mixing device for 3D printing material raw materials. A frame stirring paddle and a perforated plate stirring paddle are respectively arranged on both sides of the main shaft, and a plate stirring paddle is arranged at the bottom of the main shaft. Through the frame stirring paddle, the perforated plate stirring paddle and the plate stirring paddle, the stirring effect of the raw materials is greatly improved, thereby improving the quality of 3D printing materials and solving the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a mixing device for 3D printing material raw materials, comprising a vessel body, a jacket, a vessel lid, a motor and a stirrer, wherein a vessel lid is provided at the top of the vessel body, a motor is provided on the upper surface of the vessel lid, and a jacket is provided outside the vessel body; The agitator includes a main shaft, a frame agitator, an orifice plate agitator, and a plate agitator. A frame agitator is provided on one side of the main shaft, an orifice plate agitator is provided on the other side of the main shaft, and a plate agitator is provided at the bottom of the main shaft. The top of the main shaft is connected to the output shaft of a motor via a coupling. The frame agitator, the orifice plate agitator, and the plate agitator are all rotatably mounted inside the vessel.

[0006] Preferably, the present invention provides a mixing device for 3D printing material raw materials, wherein the frame stirring paddle includes crossbars and longitudinal bars, there are multiple crossbars and all of them are connected to the main shaft, and several longitudinal bars are arranged between two adjacent crossbars.

[0007] Preferably, the present invention provides a mixing device for 3D printing material raw materials, wherein the perforated plate stirring paddle is densely covered with through holes.

[0008] Preferably, the present invention provides a mixing device for 3D printing material raw materials, wherein the plate-type stirring paddle is arc-shaped, and the middle position of the top end of the plate-type stirring paddle is fastened to the bottom of the main shaft through the cooperation of a connecting sleeve and bolts.

[0009] Preferably, the present invention provides a mixing device for 3D printing material raw materials, wherein the bottom of the vessel is provided with a discharge port.

[0010] Preferably, the present invention provides a mixing device for 3D printing material raw materials, wherein the upper surface of the lid is provided with a thermometer port, a pressure gauge port, a manhole and several feed ports.

[0011] Preferably, the present invention provides a mixing device for 3D printing material raw materials, wherein the bottom and upper side of the jacket are respectively provided with a heat exchange medium inlet and a heat exchange medium outlet.

[0012] Preferably, the present invention provides a mixing device for 3D printing material raw materials, wherein the jacket is provided with a plurality of support seats on its outside.

[0013] Compared with the prior art, the beneficial effects of the present invention are: The main shaft is equipped with a frame stirring paddle and a perforated plate stirring paddle on both sides, and a plate stirring paddle at the bottom of the main shaft. The frame stirring paddle, the perforated plate stirring paddle and the plate stirring paddle greatly improve the stirring effect of the raw materials, thereby improving the quality of the 3D printing materials. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the stirrer structure.

[0015] In the figure: 1. Vessel body; 2. Jacket; 3. Vessel cover; 4. Motor; 5. Main shaft; 6. Frame agitator; 7. Orifice plate agitator; 8. Plate agitator; 9. Connecting sleeve; 10. Discharge port; 11. Thermometer port; 12. Pressure gauge port; 13. Manhole; 14. Feed port; 15. Heat exchange medium inlet; 16. Heat exchange medium outlet; 17. Support base; 601. Horizontal bar; 602. Vertical bar; 701. Through hole. Detailed Implementation

[0016] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention. It should be noted that in the description of this invention, the terms "inner", "outer", "upper", "lower", "both sides", "one end", "the other end", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0017] Please see Figure 1 This invention provides a technical solution: a mixing device for 3D printing material raw materials, including a vessel body 1, a jacket 2, a vessel cover 3, a motor 4, and a stirrer. The vessel body 1 is provided with a vessel cover 3 at the top, and a motor 4 is provided on the upper surface of the vessel cover 3. The vessel body 1 is provided with a jacket 2 outside, and a discharge port 10 is provided at the bottom of the vessel body 1 to discharge the material. The upper surface of the vessel cover 3 is provided with a thermometer port 11, a pressure gauge port 12, a manhole 13, and several feed ports 14. The thermometer port 11 and the pressure gauge port 12 are used to install thermometers and pressure gauges respectively, so as to realize the monitoring of thermometers and pressure. The manhole 13 is used for cleaning the inside of the vessel body 1. The feed ports 14 are used for feeding raw materials. The bottom and upper side of the jacket 2 are respectively provided with a heat exchange medium inlet 15 and a heat exchange medium outlet 16 to allow the heat exchange medium inlet 15 and the heat exchange medium outlet 16 to enter and leave the jacket 2 respectively. Several support seats 17 are provided on the outside of the jacket 2 to achieve overall support and fixation. like Figure 2 As shown, the agitator includes a main shaft 5, a frame agitator 6, a perforated plate agitator 7, and a plate agitator 8. The frame agitator 6 is provided on one side of the main shaft 5, and the perforated plate agitator 7 is provided on the other side of the main shaft 5. The perforated plate agitator 7 is densely covered with through holes 701, which are used to disperse the material. The plate agitator 8 is provided at the bottom of the main shaft 5. The plate agitator 8 is arc-shaped. The middle position of the top of the plate agitator 8 is fastened to the bottom of the main shaft 5 through the cooperation of the connecting sleeve 9 and bolts. The arc-shaped plate agitator 8 creates a swirling flow at the bottom of the vessel, improving the agitation effect. The top of the main shaft 5 is connected to the output shaft of the motor 4 through a coupling. The frame agitator 6, the perforated plate agitator 7, and the plate agitator 8 are all rotatably installed inside the vessel 1. like Figure 2 As shown, the frame stirring paddle 6 includes crossbars 601 and longitudinal bars 602. There are multiple crossbars 601, all of which are connected to the main shaft 5. Several longitudinal bars 602 are arranged between each pair of adjacent crossbars 601. Through the structure of crossbars 601 and longitudinal bars 602, the material is stirred through the rectangular holes formed between the crossbars 601 and longitudinal bars 602.

[0018] Installation method and operating principle: Weld the frame agitator 6 and the perforated plate agitator 7 to both sides of the main shaft 5 respectively. The plate agitator 8 is installed at the bottom of the main shaft 5 through the connection sleeve 9 and bolts. Then, install the motor 4 on the upper surface of the vessel cover 3, and connect the main shaft 5 to the output shaft of the motor 4 through a coupling. Finally, lift the vessel cover 3 and insert the agitator into the vessel body 1 to complete the installation. In use, add the raw material into the vessel body 1 through the feed inlet 14, start the motor 4, and the output shaft of the motor 4 drives the main shaft 5 to rotate. The raw material is then agitated through the cooperation of the frame agitator 6, the perforated plate agitator 7, and the plate agitator 8. During the process, a heat exchange medium, such as steam or hot oil, is introduced to heat the inside of the vessel body 1. After mixing, the mixture is discharged from the discharge outlet 10. The present invention has a reasonable structure. The main shaft 5 is provided with a frame stirring paddle 6 and a perforated plate stirring paddle 7 on both sides, and a plate stirring paddle 8 is provided at the bottom of the main shaft 5. The frame stirring paddle 6, the perforated plate stirring paddle 7 and the plate stirring paddle 8 greatly improve the stirring effect of the raw materials, thereby improving the quality of the 3D printing materials.

[0019] Any aspects of this invention not described in detail are well-known to those skilled in the art.

[0020] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications and equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications and substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A mixing device for 3D printing material raw materials, characterized in that: It includes a vessel body (1), a jacket (2), a vessel lid (3), a motor (4) and a stirrer. The vessel body (1) is provided with a vessel lid (3) at the top, and a motor (4) is provided on the upper surface of the vessel lid (3). The vessel body (1) is provided with a jacket (2) on the outside. The agitator includes a main shaft (5), a frame agitator (6), an orifice plate agitator (7), and a plate agitator (8). The frame agitator (6) is provided on one side of the main shaft (5), and the orifice plate agitator (7) is provided on the other side of the main shaft (5). The plate agitator (8) is provided at the bottom of the main shaft (5). The top of the main shaft (5) is connected to the output shaft of the motor (4) via a coupling. The frame agitator (6), the orifice plate agitator (7), and the plate agitator (8) are all rotatably disposed inside the vessel body (1).

2. The mixing device for 3D printing material raw materials according to claim 1, characterized in that: The frame stirring paddle (6) includes a crossbar (601) and a longitudinal bar (602). There are multiple crossbars (601) and they are all connected to the main shaft (5). Several longitudinal bars (602) are arranged between each pair of adjacent crossbars (601).

3. The mixing device for 3D printing material raw materials according to claim 1, characterized in that: The perforated plate agitator (7) is densely covered with through holes (701).

4. The mixing device for 3D printing material raw materials according to claim 1, characterized in that: The plate-type stirring paddle (8) is arc-shaped, and the middle position of the top of the plate-type stirring paddle (8) is fastened to the bottom of the main shaft (5) through the cooperation of the connecting sleeve (9) and bolts.

5. The mixing device for 3D printing material raw materials according to claim 1, characterized in that: The bottom of the vessel body (1) is provided with a discharge port (10).

6. The mixing device for 3D printing material raw materials according to claim 1, characterized in that: The upper surface of the lid (3) is provided with a thermometer port (11), a pressure gauge port (12), a manhole (13) and several feed ports (14).

7. The mixing device for 3D printing material raw materials according to claim 1, characterized in that: The jacket (2) is provided with a heat exchange medium inlet (15) at the bottom and a heat exchange medium outlet (16) at the top.

8. The mixing device for 3D printing material raw materials according to claim 1, characterized in that: The jacket (2) is provided with several support seats (17) on its outside.

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