Feeding mechanism for 3D printer

Abstract

The utility model provides a feeding mechanism for a 3D printer, which comprises a mixing mechanism which comprises a mixing box, a servo motor arranged at the top of the mixing box, a rotating rod arranged at the output end of the servo motor, a stirring plate arranged on the outer wall of the rotating rod, and a material guide plate arranged on one side of the stirring plate, the turbulent flow rods are arranged on the inner wall of the mixing box; the filtering mechanism comprises a filtering box arranged at the bottom of the mixing box, a limiting ring arranged in the filtering box, a filtering plate arranged at the top of the limiting ring and filtering holes formed in the filtering plate; when the stirring device is used, the servo motor drives the stirring plate on the rotating rod to mix raw materials in the mixing box, and the material guide plate on one side of the stirring plate and the turbulent flow rod on the inner wall of the mixing box further improve the mixing of the raw materials and prevent precipitation.

Description

Technical Field

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

[0002] 3D printer is a kind of rapid prototyping process equipment, a kind of cumulative manufacturing technology, that is, a machine of rapid prototyping technology. It is based on a digital model file, and uses special wax materials, powdered metal or plastic and other adhesive materials to print layers of adhesive materials to make three-dimensional objects. At present, 3D printers are used to manufacture products, and the technology of constructing objects by printing layer by layer. 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. By applying 3D printers to medical instruments and materials for printing, it has high precision and fast printing speed, and can print according to actual needs.

[0003] When the existing 3D printer feeding mechanism is in use, the raw materials are prone to sedimentation and it is difficult to filter out internal impurities, which affects the subsequent printing effect.

[0004] Therefore, a feeding mechanism for a 3D printer is proposed. Utility Model Content

[0005] In view of this, the embodiments of the present utility model hope to provide a feeding mechanism for a 3D printer to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the embodiment of the utility model is implemented as follows: a feeding mechanism for a 3D printer includes a mixing mechanism and a filtering mechanism arranged at the bottom of the mixing mechanism, the mixing mechanism including: a mixing box, a servo motor arranged at the top of the mixing box, a rotating rod arranged at the output end of the servo motor, a stirring plate arranged on the outer wall of the rotating rod, a material guide plate arranged on one side of the stirring plate, and a spoiler rod arranged on the inner wall of the mixing box; the filtering mechanism includes a filter box arranged at the bottom of the mixing box, a limiting ring arranged inside the filter box, a filter plate arranged on the top of the limiting ring, and a filter hole arranged inside the filter plate.

[0007] In some embodiments, support rods are provided on both sides of the servo motor, and a mounting block is provided at the bottom of one side of the support rod.

[0008] In some embodiments, the mixing box is provided with supporting legs at the bottom, and supporting feet are provided at the bottom of the supporting legs.

[0009] In some embodiments, a discharge hopper is disposed on the top of the filter box, and a discharge pipe is disposed on the top of the discharge hopper.

[0010] In some embodiments, a side plate is disposed on one side of the filter box, a sealing plate is disposed on one side of the side plate, and a fixing bolt is disposed on the other side of the side plate.

[0011] In some embodiments, handles are provided on both sides of the top of the filter plate, and a receiving groove is provided at the bottom of the filter plate.

[0012] In some embodiments, a discharge pipe is disposed at the bottom of the filter box, a guide pipe is disposed at the bottom of the discharge pipe, and a docking pipe is disposed at the bottom of the guide pipe.

[0013] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0014] 1. A feeding mechanism for a 3D printer. When in use, a servo motor drives a stirring plate on a rotating rod to mix raw materials inside a mixing box, and a guide plate on one side of the stirring plate and a spoiler rod on the inner wall of the mixing box further improve the mixing of the raw materials and prevent precipitation.

[0015] 2. A feeding mechanism for a 3D printer. When the raw material enters the filter box, the filter plate on the top of the limit ring filters the debris inside the raw material to ensure the subsequent printing effect. The impurities in the raw material remain on the top of the filter plate. Unscrew the fixing bolt, take out the side plate of the filter box, take out the filter plate through the handle and clean it to meet the actual use needs.

[0016] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is the main mechanism structure diagram of the utility model;

[0019] Figure 2 This is a cross-sectional structural diagram of the main mechanism of the utility model;

[0020] Figure 3 It is a cross-sectional structural diagram of the filtering mechanism of the present utility model.

[0021] Reference numerals:

[0022] 100, mixing mechanism; 101, mixing box; 102, servo motor; 103, rotating rod; 104, stirring plate; 105, guide plate; 106, spoiler rod; 107, support rod; 108, mounting block; 109, support leg; 110, support foot; 200, filtering mechanism; 201, discharge pipe; 202, discharge hopper; 203, filter box; 204, limit ring; 205, filter plate; 206, filter hole; 207, handle; 208, side plate; 209, sealing plate; 210, fixing bolt; 211, containing tank; 212, liquid discharge pipe; 213, guide pipe; 214, butt pipe. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0024] In the present utility model, unless otherwise clearly stipulated and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0025] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0026] Embodiment 1:

[0027] like Figure 1-3As shown, a feeding mechanism for a 3D printer includes a mixing mechanism 100 and a filtering mechanism 200 bolted to the bottom of the mixing mechanism 100. The mixing mechanism 100 includes: a mixing box 101, a servo motor 102 bolted to the top of the mixing box 101, a rotating rod 103 welded to the output end of the servo motor 102, and a stirring plate 104 bolted to the outer wall of the rotating rod 103. The servo motor 102 drives the stirring plate 104 on the rotating rod 103 to mix the raw materials inside the mixing box 101, a material guide plate 105 welded to one side of the stirring plate 104, and a material guide plate 105 welded to the outer wall of the stirring plate 104. The spoiler rod 106 on the inner wall of the mixing box 101, the guide plate 105 on one side of the stirring plate 104 and the spoiler rod 106 on the inner wall of the mixing box 101 further improve the mixing of the raw materials; the filtering mechanism 200 includes a filter box 203 bolted to the bottom of the mixing box 101, a limit ring 204 bolted to the inside of the filter box 203, a filter plate 205 snap-fitted to the top of the limit ring 204, and a filter hole 206 opened in the filter plate 205. After the raw materials enter the filter box 203, the filter plate 205 on the top of the limit ring 204 filters the debris inside the raw materials.

[0028] In this embodiment, support rods 107 are bolted to both sides of the servo motor 102 , and a mounting block 108 is welded to the bottom of one side of the support rod 107 to mount the servo motor 102 .

[0029] In this embodiment, a support leg 109 is bolted to the bottom of the mixing box 101 , and a support foot 110 is bolted to the bottom of the support leg 109 to support the mixing box 101 .

[0030] In this embodiment: when in use, the servo motor 102 drives the stirring plate 104 on the rotating rod 103 to mix the raw materials inside the mixing box 101, and the guide plate 105 on one side of the stirring plate 104 and the spoiler rod 106 on the inner wall of the mixing box 101 further improve the mixing of the raw materials and prevent precipitation.

[0031] Embodiment 2:

[0032] A feeding mechanism for a 3D printer. This embodiment makes the following improvements on the basis of embodiment 1: Figure 1-3 As shown, a discharge hopper 202 is welded on the top of the filter box 203 , and a discharge pipe 201 is welded on the top of the discharge hopper 202 .

[0033] In this embodiment, a side panel 208 is provided on one side of the filter box 203, a sealing plate 209 is bolted to one side of the side panel 208, a fixing bolt 210 is threadedly connected to the other side of the side panel 208, handles 207 are bolted to both sides of the top of the filter plate 205, and a receiving groove 211 is provided at the bottom of the filter plate 205. Impurities in the raw material are retained on the top of the filter plate 205. Unscrew the fixing bolt 210, take out the side panel 208 on one side of the filter box 203, and take out the filter plate 205 through the handle 207 for cleaning.

[0034] In this embodiment, a liquid outlet pipe 212 is bolted to the bottom of the filter box 203, a material guide pipe 213 is bolted to the bottom of the liquid outlet pipe 212, and a docking pipe 214 is bolted to the bottom of the material guide pipe 213 to load materials into the printer.

[0035] In this embodiment: during use, after the raw material enters the filter box 203, the filter plate 205 on the top of the limiting ring 204 filters the debris inside the raw material to ensure the subsequent printing effect. The impurities in the raw material remain on the top of the filter plate 205. Unscrew the fixing bolt 210, take out the side plate 208 of the filter box 203, take out the filter plate 205 through the handle 207 and clean it to meet the actual use needs.

[0036] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A feeding mechanism for a 3D printer, comprising a mixing mechanism (100) and a filtering mechanism (200) arranged at the bottom of the mixing mechanism (100), characterized in that: A mixing mechanism (100) comprises: a mixing box (101), a servo motor (102) arranged at the top of the mixing box (101), a rotating rod (103) arranged at the output end of the servo motor (102), a stirring plate (104) arranged on the outer wall of the rotating rod (103), a material guide plate (105) arranged on one side of the stirring plate (104), and a spoiler rod (106) arranged on the inner wall of the mixing box (101); a filtering mechanism (200) comprises a filtering box (203) arranged at the bottom of the mixing box (101), a limiting ring (204) arranged inside the filtering box (203), a filtering plate (205) arranged at the top of the limiting ring (204), and a filtering hole (206) arranged inside the filtering plate (205).

2. A feeding mechanism for a 3D printer according to claim 1, characterized in that: Support rods (107) are arranged on both sides of the servo motor (102), and a mounting block (108) is arranged at the bottom of one side of the support rod (107).

3. A feeding mechanism for a 3D printer according to claim 1 or 2, characterized in that: The mixing box (101) is provided with supporting legs (109) at the bottom, and the supporting legs (109) are provided with supporting feet (110) at the bottom.

4. A feeding mechanism for a 3D printer according to claim 3, characterized in that: A discharge hopper (202) is disposed on the top of the filter box (203), and a discharge pipe (201) is disposed on the top of the discharge hopper (202).

5. A feeding mechanism for a 3D printer according to claim 4, characterized in that: A side plate (208) is provided on one side of the filter box (203), a sealing plate (209) is provided on one side of the side plate (208), and a fixing bolt (210) is provided on the other side of the side plate (208).

6. A feeding mechanism for a 3D printer according to claim 4 or 5, characterized in that: Handles (207) are provided on both sides of the top of the filter plate (205), and a receiving groove (211) is provided at the bottom of the filter plate (205).

7. A feeding mechanism for a 3D printer according to claim 6, characterized in that: A liquid outlet pipe (212) is provided at the bottom of the filter box (203), a material guide pipe (213) is provided at the bottom of the liquid outlet pipe (212), and a butt joint pipe (214) is provided at the bottom of the material guide pipe (213).

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