Feeding device for 3D printer

Abstract

The feeding device comprises a material storage box and a feeding pipe, a bottom plate is arranged below the material storage box, a feeding opening is formed in the top of the material storage box, a push plate is arranged on one side in the material storage box, a stirring rod is arranged on the other side in the material storage box, a sliding groove is formed in the push plate, a sliding rail is arranged in the material storage box, and the sliding groove slides on the sliding rail. A discharging port is formed in one side of the bottom of the material storage box, a sealing plate is arranged in the discharging port, a discharging pipe is arranged on the outer side of the discharging port, a butt joint pipe is arranged on one side of the feeding pipe, an electric valve is arranged on the top of the butt joint pipe, and a hose is arranged on one side of the butt joint pipe. According to the feeding device, the discharging port is opened and closed through the sealing plate, the sealing rubber ring is attached to the sealing groove, so that sealing is more precise, and through the electric valve above, the feeding speed can be adjusted at any time through the feeding device, and the feeding device is closed at any time through the sealing plate.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, in particular to a feeding device for a 3D printer. Background Art

[0002] 3D printing is a type of rapid prototyping technology, also known as additive manufacturing. It is a technology that uses 3D model files as the basis and uses adhesive materials such as powdered metal or plastic to construct objects by printing layer by layer.

[0003] The existing Chinese patent announcement number is CN213891300U, and the name is a patent for a feeding device for a 3D printer. The background technology of the patent clearly states that "3D printing is usually achieved by using a digital technology material printer. It is often used to make models in the fields of mold manufacturing, industrial design, etc., and then gradually used for the direct manufacturing of some products. There are already parts printed using this technology. This technology is used in jewelry, footwear, industrial design, architecture, engineering and construction, automobiles, aerospace, dental and medical industries, education, geographic information systems, civil engineering, guns and other fields. At present, the 3D printer feeding system is in the manual feeding stage, with a low degree of automation, or it relies on module operation, which is too complicated and has poor practicality." The patented technical means are solved, but in this technology, the feeding speed of the 3D printer cannot be adjusted, and it is not convenient to stop feeding at any time. In the actual use process, raw materials will pile up, making the output uneven, thus affecting the printing effect. Utility Model Content

[0004] The purpose of the utility model is to provide a feeding device for a 3D printer to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A feeding device for a 3D printer comprises a material storage box and a feeding pipe, wherein a bottom plate is arranged below the material storage box, a feeding port is arranged at the top of the material storage box, a push plate is arranged on one side of the interior of the material storage box, a stirring rod is arranged on the other side of the interior of the material storage box, a slide groove is arranged on the push plate, a slide rail is arranged inside the material storage box, the slide groove slides on the slide rail, a material discharge port is arranged on one side of the bottom of the material storage box, a closing plate is arranged inside the material discharge port, a material discharge pipe is arranged outside the material discharge port, a butt joint pipe is arranged on one side of the feeding pipe, an electric valve is arranged on the top of the butt joint pipe, and a hose is arranged on one side of the butt joint pipe.

[0007] In a preferred embodiment of the present utility model, a transparent plate is provided on the outside of the material storage box.

[0008] In a preferred embodiment of the present utility model, an arc-shaped mounting plate is provided on the bottom plate, and the material storage box is mounted on the arc-shaped mounting plate.

[0009] In a preferred embodiment of the present utility model, an electric push rod is provided on one side of the material storage box, and the electric push rod is connected to the push plate. A motor is provided on the other side of the material storage box, and the motor is connected to the stirring rod.

[0010] In a preferred embodiment of the utility model, a flow channel is provided at the inner bottom of the storage box, and the end of the flow channel is connected to the discharge port.

[0011] In a preferred embodiment of the present utility model, an electric telescopic rod is arranged on one side above the bottom plate, and the electric telescopic rod is connected to the closing plate.

[0012] In a preferred embodiment of the present invention, a sealing rubber ring is arranged on the outer side of the sealing plate, a sealing groove is arranged on the inner top of the discharge port, and the sealing rubber ring is attached to the sealing groove.

[0013] In a preferred embodiment of the utility model, a threaded strip is provided on the discharge pipe, a threaded tube is provided on the inner side of the hose, and the threaded strip is threadedly connected to the threaded tube.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0015] Beneficial effect: The device drives the stirring rod to rotate through the motor, and stirs the internal material through the stirring rod to avoid the situation that the material is difficult to discharge. The material is discharged through the discharge port, and the material will be guided along the flow channel, so that when the material is less, it will quickly flow into the discharge port, and the closing plate is driven by the electric telescopic rod to extend and retract up and down, so that the closing plate opens and closes the discharge port, and the sealing rubber ring is attached to the sealing groove to make it more precisely sealed. Through the electric valve above, the device can adjust the feeding speed at any time and close it at any time through the closing plate.

[0016] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 This is a schematic diagram of the main structure of a feeding device for a 3D printer;

[0019] Figure 2 This is a schematic diagram of the internal structure of a material storage box in a feeding device for a 3D printer;

[0020] Figure 3 A schematic diagram of a connection structure of a closed plate in a feeding device for a 3D printer;

[0021] Figure 4 The present invention is a schematic diagram of a butt-jointed pipe connection structure in a feeding device for a 3D printer.

[0022] In the figure: 1. material storage box; 11. loading port; 12. transparent plate; 13. discharging port; 14. along the flow channel; 2. bottom plate; 21. arc-shaped mounting plate; 22. closing plate; 23. electric telescopic rod; 24. closing rubber ring; 25. sealing groove; 3. push plate; 31. slide groove; 32. electric push rod; 33. stirring rod; 34. slide rail; 35. motor; 4. discharging pipe; 41. threaded strip; 42. threaded pipe; 43. hose; 44. butt-jointed pipe; 45. electric valve; 5. feeding pipe. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] Please refer to Figure 1-4 The utility model discloses a feeding device for a 3D printer, comprising a material storage box 1 and a feeding tube 5. The material storage box 1 is the main structure of the device, that is, it is used to store materials and install other structures. The feeding tube 5 is connected to the 3D printer and feeds materials to it. A bottom plate 2 is arranged below the material storage box 1, and an arc-shaped mounting plate 21 is arranged on the bottom plate 2. The material storage box 1 is installed on the arc-shaped mounting plate 21. The bottom plate 2 is the bottom structure of the device, which is used to support the overall structure, that is, the material storage box 1 is supported by the arc-shaped mounting plate 21. A loading port 11 is arranged on the top of the material storage box 1, and the material storage box 1 is loaded through the loading port 11. A transparent plate 12 is arranged on the outside of the material storage box 1, that is, the transparent plate 12 is convenient for observing the internal materials from the outside.

[0025] A push plate 3 is provided on one side of the storage box 1, and an electric push rod 32 is provided on one side of the storage box 1. The electric push rod 32 is connected to the push plate 3, and a slide groove 31 is provided on the push plate 3. A slide rail 34 is provided inside the storage box 1, that is, the push plate 3 is pushed by the outer electric push rod 32, so that the material inside is pushed to the side of the stirring rod 33, and slides on the slide rail 34 through the slide groove 31, so as to ensure the stability of the push plate 3 when pushing. A stirring rod 33 is provided on the other side of the storage box 1, and a discharge port is provided on one side of the bottom of the storage box 1. 13. A motor 35 is arranged on the other side of the storage box 1. The motor 35 is connected to the stirring rod 33, that is, the stirring rod 33 is driven to rotate by the motor 35, and the internal material is stirred by the stirring rod 33, so as to avoid the situation that the material is difficult to discharge. A flow groove 14 is arranged on the bottom of the inner side of the storage box 1, and the end of the flow groove 14 is connected to the discharge port 13, that is, the material is discharged through the discharge port 13, and the material will be guided along the flow groove 14, so that when the material is less, it will also quickly flow into the discharge port 13.

[0026] A closing plate 22 is provided inside the discharge port 13, and the closing plate 22 is used to open and close the discharge port 13. An electric telescopic rod 23 is provided on one side above the bottom plate 2, and the electric telescopic rod 23 is connected to the closing plate 22, that is, the closing plate 22 is driven to extend and retract up and down by the electric telescopic rod 23. A discharge pipe 4 is provided on the outside of the discharge port 13, and a closing rubber ring 24 is provided on the outside of the closing plate 22. A sealing groove 25 is provided on the top of the inner side of the discharge port 13, and the sealing rubber ring 24 is attached to the sealing groove 25, so that the sealing is more precise. A butt joint pipe is provided on one side of the feeding pipe 5. 44, an electric valve 45 is arranged on the top of the butt joint pipe 44, a hose 43 is arranged on one side of the butt joint pipe 44, the butt joint pipe 44 is used to connect the hose 43 and the feeding pipe 5, and the feeding speed can be adjusted at any time through the electric valve 45 on the top, a threaded strip 41 is arranged on the discharge pipe 4, a threaded tube 42 is arranged on the inner side of the hose 43, the threaded strip 41 and the threaded tube 42 are threadedly connected, that is, the threaded strip 41 is connected through the threaded tube 42, so that the hose 43 is connected to the discharge pipe 4, that is, the material of the discharge pipe 4 is transmitted through the hose 43, and then transmitted to the feeding pipe 5.

[0027] The working principle of the utility model is as follows: the device loads the material storage box 1 through the loading port 11, the material storage box 1 stores the material, the threaded strip 41 is connected through the threaded tube 42, so that the hose 43 is connected to the discharge pipe 4, the transparent plate 12 is convenient for observing the internal material from the outside, the push plate 3 is pushed by the electric push rod 32 on the outside, so that the material inside is pushed to the side of the stirring rod 33, and the push plate 3 slides on the slide rail 34 through the slide groove 31, so as to ensure the stability of the push plate 3 when pushing, and the stirring rod 33 is driven to rotate by the motor 35, and the stirring rod 33 is used to stir the internal material , thereby avoiding the situation where the material is difficult to discharge, the material is discharged through the discharge port 13, and the material will be guided along the flow channel 14, and the closing plate 22 is driven by the electric telescopic rod 23 to extend and retract up and down, so that the closing plate 22 opens and closes the discharge port 13, and is attached to the sealing groove 25 through the sealing rubber ring 24, so that the seal is more precise, and the feeding speed can be adjusted at any time through the electric valve 45 above, that is, the material in the discharge pipe 4 is transmitted through the hose 43, and then transmitted to the feeding pipe 5, and the feeding pipe 5 is connected to the 3D printer and feeds it.

[0028] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A feeding device for a 3D printer, comprising a material storage box (1) and a feeding tube (5), characterized in that: A bottom plate (2) is arranged below the material storage box (1), a loading port (11) is arranged at the top of the material storage box (1), a push plate (3) is arranged on one side of the interior of the material storage box (1), a stirring rod (33) is arranged on the other side of the interior of the material storage box (1), a slide groove (31) is arranged on the push plate (3), a slide rail (34) is arranged inside the material storage box (1), the slide groove (31) slides on the slide rail (34), a discharge port (13) is arranged on one side of the bottom of the material storage box (1), a closing plate (22) is arranged inside the discharge port (13), a discharge pipe (4) is arranged outside the discharge port (13), a butt joint pipe (44) is arranged on one side of the feed pipe (5), an electric valve (45) is arranged on the top of the butt joint pipe (44), and a hose (43) is arranged on one side of the butt joint pipe (44).

2. A feeding device for a 3D printer according to claim 1, characterized in that: A transparent plate (12) is arranged on the outside of the material storage box (1).

3. A feeding device for a 3D printer according to claim 1, characterized in that: An arc-shaped mounting plate (21) is arranged on the bottom plate (2), and the material storage box (1) is mounted on the arc-shaped mounting plate (21).

4. A feeding device for a 3D printer according to claim 1, characterized in that: An electric push rod (32) is arranged on one side of the material storage box (1), and the electric push rod (32) is connected to the push plate (3); a motor (35) is arranged on the other side of the material storage box (1), and the motor (35) is connected to the stirring rod (33).

5. A feeding device for a 3D printer according to claim 1, characterized in that: The inner bottom of the material storage box (1) is provided with a flow channel (14), and the end of the flow channel (14) is connected to the discharge port (13).

6. A feeding device for a 3D printer according to claim 1, characterized in that: An electric telescopic rod (23) is arranged on one side above the bottom plate (2), and the electric telescopic rod (23) is connected to the closing plate (22).

7. A feeding device for a 3D printer according to claim 1, characterized in that: A sealing rubber ring (24) is arranged on the outer side of the sealing plate (22), a sealing groove (25) is arranged on the inner top of the discharge port (13), and the sealing rubber ring (24) is attached to the sealing groove (25).

8. A feeding device for a 3D printer according to claim 1, characterized in that: The discharge pipe (4) is provided with a threaded strip (41), the inner side of the hose (43) is provided with a threaded tube (42), and the threaded strip (41) and the threaded tube (42) are threadedly connected.

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