High-precision 3D printing equipment integrated with nozzle automatic cleaning function

Abstract

The utility model belongs to the technical field of 3D printing, and particularly relates to high-precision 3D printing equipment integrated with an automatic nozzle cleaning function. A mounting frame is fixedly connected to the top of the machine body; a driving assembly is mounted at the bottom of the mounting frame; the middle part of the mounting frame is rotationally connected with a rotating shaft; the top end of the rotating shaft is in threaded connection with a rotating rod; a probe is mounted at the top of the rotating rod; the middle part of the probe is fixedly connected with a plurality of stretch yarns; the bottoms of the multiple stretch yarns are slidably connected to the middle of the rotating rod. The top of the rotating rod is fixedly connected with an elastic rod; the probe is fixedly connected to the top end of the elastic rod; the top of the probe is fixedly connected with an eccentric block; by means of the structure, after printing work is completed, residual printing materials in the nozzle can be automatically cleaned, and the use convenience of equipment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of 3D printing, and particularly relates to a high-precision 3D printing device integrating an automatic nozzle cleaning function. Background Art

[0002] 3D printing, also known as three-dimensional printing or additive manufacturing, is a technology that constructs objects by layer-by-layer printing based on a 3D model file.

[0003] During 3D printing, the machine heats the printing material to the melting point or processes it into a liquid or molten state in other ways, and deposits it layer by layer on the printing platform through a nozzle to form the required three-dimensional object. After the printing is completed, there will be some printing material remaining inside the nozzle, and the nozzle needs to be cleaned. However, the existing nozzle cleaning methods are mostly achieved by disassembling and cleaning the nozzle, which requires repeated disassembly and assembly of the nozzle and is rather inconvenient.

[0004] Therefore, the utility model provides a high-precision 3D printing device integrating an automatic nozzle cleaning function. Summary of the Utility Model

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0006] The technical solution adopted by the utility model to solve its technical problems is as follows: A high-precision 3D printing device integrating an automatic nozzle cleaning function, comprising a machine body; an installation frame is fixedly connected to the top of the machine body; a driving component is installed at the bottom of the installation frame; a rotating shaft is rotatably connected to the middle of the installation frame; a rotating rod is threadedly connected to the top of the rotating shaft; a probe is installed at the top of the rotating rod; a plurality of elastic wires are fixedly connected to the middle of the probe; the bottoms of the plurality of elastic wires are slidably connected to the middle of the rotating rod; through the above structure, after the printing work is completed, the residual printing material inside the nozzle can be automatically cleaned, improving the convenience of using the device.

[0007] Preferably, an elastic rod is fixedly connected to the top of the rotating rod; the probe is fixedly connected to the top of the elastic rod; an eccentric block is fixedly connected to the top of the probe; through the above structure, the cleaning effect of the automatic nozzle cleaning can be improved, and the residual printing material inside the nozzle can be reduced.

[0008] Preferably, a plurality of connecting rods are fixedly connected to the middle of the rotating rod; the other ends of the plurality of connecting rods are fixedly connected to a baffle; through the above structure, the ejected printing material can be blocked, reducing the occurrence of pollution to the inside of the device.

[0009] Preferably, a collection box is fixedly connected to the middle of the rotating rod; the collection box is located below the baffle; a cover plate is detachably installed on the top of the collection box; through the above structure, the scrap removed can be conveniently collected, facilitating subsequent treatment of the scrap.

[0010] Preferably, a plurality of connecting rods are fixedly connected to the bottom of the cover plate; the inner surface of the collection box is smooth; through the above structure, the scrap can be relatively easily removed together with the cover plate, improving the convenience of scrap treatment.

[0011] Preferably, a guide groove is provided in the middle of the probe; the guide groove is arranged in a spiral shape; through the above structure, the cleaning speed and cleaning effect of the inside of the nozzle can be improved.

[0012] Preferably, a limiting block is fixedly connected to the bottom end of the elastic wire; through the above structure, when the probe leaves the inside of the nozzle, the situation where a plurality of elastic wires are blocked and stuck by the inside of the nozzle can be reduced.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. For a high-precision 3D printing device integrating an automatic nozzle cleaning function according to the present utility model, through the settings of the driving component, rotating shaft, rotating rod, probe, and elastic wire, the residual printing material inside the nozzle can be automatically cleaned after the printing work is completed, improving the convenience of using the device.

[0015] 2. For a high-precision 3D printing device integrating an automatic nozzle cleaning function according to the present utility model, through the settings of the elastic rod and eccentric block, the cleaning effect of automatic nozzle cleaning can be improved, reducing the residue of printing material inside the nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present utility model will be further described below with reference to the accompanying drawings.

[0017] Figure 1 is a perspective view of the present utility model;

[0018] Figure 2 is a schematic structural diagram of the driving component in the present utility model;

[0019] Figure 3 is a schematic structural diagram of the probe in the present utility model;

[0020] Figure 4 is a schematic structural diagram of the elastic rod in the present utility model;

[0021] Figure 5 is a schematic structural diagram of the collection box in the present utility model.

[0022] In the figure: 1. Machine body; 12. Mounting frame; 13. Driving component; 14. Rotating shaft; 15. Rotating rod; 16. Probe; 17. Elastic wire; 2. Elastic rod; 21. Eccentric block; 3. Connecting rod; 31. Baffle; 4. Collection box; 41. Cover plate; 5. Combining rod; 6. Guide groove; 7. Limiting block. Detailed implementation mode

[0023] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with the specific implementation mode.

[0024] As Figures 1 to 4 shown, a high-precision 3D printing device integrating an automatic nozzle cleaning function described in an embodiment of the present utility model includes a machine body 1; a mounting frame 12 is fixedly connected to the top of the machine body 1; a driving component 13 is installed at the bottom of the mounting frame 12; a rotating shaft 14 is rotatably connected to the middle of the mounting frame 12; a rotating rod 15 is threadedly connected to the top of the rotating shaft 14; a probe 16 is installed at the top of the rotating rod 15; a plurality of elastic wires 17 are fixedly connected to the middle of the probe 16; the bottoms of the plurality of elastic wires 17 are slidably connected to the middle of the rotating rod 15; during operation, after the 3D printing work is completed, some printing materials will remain inside the nozzle. The nozzle is sleeved on the middle of the probe 16 through a moving mechanism, so that a plurality of elastic wires 17 are inserted into the nozzle. The plurality of elastic wires 17 expand due to their own elasticity inside the nozzle. The mounting frame 12 is started to drive the plurality of elastic wires 17 to rotate, and in cooperation with the repeated up and down movement of the nozzle, the printing materials remaining inside the nozzle are discharged through the bottom opening of the nozzle, thereby realizing the cleaning of the nozzle. Through the above structure, after the printing work is completed, the printing materials remaining inside the nozzle can be automatically cleaned, improving the convenience of using the device.

[0025] As Figures 1 to 4 shown, an elastic rod 2 is fixedly connected to the top of the rotating rod 15; the probe 16 is fixedly connected to the top of the elastic rod 2; an eccentric block 21 is fixedly connected to the top of the probe 16; during operation, after the probe 16 is inserted into the nozzle, the bottom opening of the nozzle is located near the elastic rod 2. When the probe 16 rotates with the rotating rod 15, due to the eccentric setting of the eccentric block 21, the top of the probe 16 will shake when rotating, so that the elastic wires 17 can fully contact the inner wall of the nozzle, and thus the inner wall of the nozzle can be cleaned more fully. Through the above structure, the cleaning effect of automatic nozzle cleaning can be improved, and the remaining printing materials inside the nozzle can be reduced.

[0026] As Figures 1 to 5As shown in the figure, a plurality of connecting rods 3 are fixedly connected to the middle of the rotating rod 15; the other ends of the plurality of connecting rods 3 are fixedly connected with a baffle 31; during operation, when the printing material inside the nozzle is discharged from the bottom opening of the nozzle, the printing material may be thrown outwards due to the inertial centrifugal force generated during rotation. Through the setting of the baffle 31, the thrown printing material can be blocked, reducing the occurrence of pollution to the inside of the equipment.

[0027] As Figures 1 to 5 shown in the figure, a collection box 4 is fixedly connected to the middle of the rotating rod 15; the collection box 4 is located below the baffle 31; a cover plate 41 is detachably installed on the top of the collection box 4; during operation, the printing material blocked by the baffle 31 will slide into the inside of the collection box 4 and be thrown to the outer edge of the collection box 4 as the collection box 4 rotates. When there is enough waste material collected inside the collection box 4, the cover plate 41 can be opened to clean the waste material inside the collection box 4. Through the above structure, the waste material can be conveniently collected, facilitating subsequent treatment of the waste material.

[0028] As Figures 1 to 5 shown in the figure, a plurality of connecting rods 5 are fixedly connected to the bottom of the cover plate 41; the inner surface of the collection box 4 is smooth; during operation, since the printing material remaining in the nozzle after just completing the printing work is generally a molten gum material, it gradually wraps around the plurality of connecting rods 5 and solidifies after being thrown to the inner edge of the collection box 4. When it is necessary to clean these waste materials, the cover plate 41 is opened. Since the bonding degree between the connecting rods 5 and the waste material is relatively high, while the bonding degree between the waste material and the collection box 4 is relatively low, the waste material can be relatively easily removed together with the cover plate 41, improving the convenience of waste material treatment.

[0029] As Figures 1 to 4 shown in the figure, a guide groove 6 is opened in the middle of the probe 16; the guide groove 6 is arranged in a spiral shape; during operation, as the probe 16 rotates, the residual printing material inside the nozzle will flow along the guide groove 6 towards the bottom end of the guide groove 6, thereby improving the cleaning speed and cleaning effect of the inside of the nozzle.

[0030] As Figure 4 shown in the figure, a limiting block 7 is fixedly connected to the bottom end of the elastic wire 17; through the above structure, when the probe 16 leaves the inside of the nozzle, the situation where a plurality of elastic wires 17 are blocked and stuck by the inside of the nozzle can be reduced.

[0031] During operation, after the 3D printing work is completed, some printing materials will remain inside the nozzle. The nozzle is sleeved on the middle part of the probe 16 through a moving mechanism, so that a plurality of elastic filaments 17 are inserted into the nozzle. The plurality of elastic filaments 17 expand due to their own elasticity inside the nozzle. The mounting bracket 12 is started to drive the plurality of elastic filaments 17 to rotate. In cooperation with the repeated up and down movement of the nozzle, the printing materials remaining inside the nozzle are discharged through the bottom opening of the nozzle, thereby realizing the cleaning of the nozzle. After the probe 16 is inserted into the nozzle, the bottom opening of the nozzle is near the elastic rod 2. When the probe 16 rotates with the rotating rod 15, due to the eccentric setting of the eccentric block 21, the top end of the probe 16 will shake when it rotates, so that the elastic filaments 17 can fully contact the inner wall of the nozzle, and thus the inner wall of the nozzle can be cleaned more thoroughly. When the printing materials inside the nozzle are discharged from the bottom opening of the nozzle, the printing materials may be thrown outwards due to the inertial centrifugal force generated during rotation. Through the setting of the baffle 31, the thrown printing materials can be blocked. The printing materials blocked by the baffle 31 will slide into the inside of the collection box 4 and be thrown to the outer edge of the collection box 4 with the rotation of the collection box 4. When there is enough waste material collected inside the collection box 4, the cover plate 41 can be opened to clean the waste material inside the collection box 4. Since the printing materials remaining inside the nozzle just after the printing work are generally molten gum-like materials, after being thrown to the inner edge of the collection box 4, they gradually wrap around the plurality of connecting rods 5 and solidify. When it is necessary to clean these waste materials, the cover plate 41 is opened. Since the degree of combination between the connecting rods 5 and the waste materials is relatively high, while the degree of combination between the waste materials and the collection box 4 is relatively low, the waste materials can be easily removed together with the cover plate 41. With the rotation of the probe 16, the remaining printing materials inside the nozzle will drain along the guide groove 6 towards the bottom end of the guide groove 6.

[0032] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-precision 3D printing device integrating an automatic nozzle cleaning function, comprising a machine body (1); characterized in that: A mounting frame (12) is fixedly connected to the top of the body (1); a driving assembly (13) is installed at the bottom of the mounting frame (12); a rotating shaft (14) is rotatably connected to the middle of the mounting frame (12); a rotating rod (15) is threadedly connected to the top end of the rotating shaft (14); a probe (16) is installed at the top of the rotating rod (15); a plurality of elastic wires (17) are fixedly connected to the middle of the probe (16); the bottom ends of the plurality of elastic wires (17) are slidably connected to the middle of the rotating rod (15).

2. The high-precision 3D printing device integrating an automatic nozzle cleaning function according to claim 1, wherein: An elastic rod (2) is fixedly connected to the top of the rotating rod (15); the probe (16) is fixedly connected to the top end of the elastic rod (2); an eccentric block (21) is fixedly connected to the top of the probe (16).

3. The high-precision 3D printing device integrating an automatic nozzle cleaning function according to claim 1, wherein: A plurality of connecting rods (3) are fixedly connected to the middle of the rotating rod (15); the other ends of the plurality of connecting rods (3) are fixedly connected to a baffle (31).

4. An integrated nozzle automatic cleaning function high-precision 3D printing device according to claim 3, characterized in that: A collection box (4) is fixedly connected to the middle of the rotating rod (15); the collection box (4) is located below the baffle (31); a cover plate (41) is detachably installed at the top of the collection box (4).

5. The high-precision 3D printing device integrating an automatic nozzle cleaning function according to claim 4, characterized in that: A plurality of connecting rods (5) are fixedly connected to the bottom of the cover plate (41); the inner surface of the collection box (4) is smooth.

6. The high-precision 3D printing device integrating an automatic nozzle cleaning function according to claim 1, characterized in that: A guide groove (6) is formed in the middle of the probe (16); the guide groove (6) is arranged in a spiral shape.

7. An integrated nozzle automatic cleaning function high-precision 3D printing device according to claim 1, characterized in that: A limiting block (7) is fixedly connected to the bottom end of the elastic wire (17).

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