Feeding mechanism of false tooth 3D printing equipment

Abstract

The utility model provides a feeding mechanism of false tooth 3D printing equipment, which comprises a moving platform arranged on a rack of the 3D printing equipment and used for moving the position of a printing head, and an automatic feeding assembly used for storing and adding printing raw materials is arranged on the moving platform. The automatic feeding assembly comprises a fixing plate arranged on the moving platform, a storage bin communicating with the printing head is arranged on the fixing plate, a driving motor is arranged on the upper portion of the storage bin, a screw is arranged at the end of an output shaft of the driving motor, and the screw penetrates through and is in threaded connection with the side wall of the upper portion of the storage bin. And a material extruding plate is arranged at the bottom of the screw rod. Raw materials can be automatically supplied through the automatic feeding assembly, frequent shutdown for manual feeding is not needed, and operation is more convenient.

Description

Technical Field

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

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

[0003] 3D printing is usually achieved by using digital technology material printers. It is often used to make models in the fields of mold manufacturing, industrial design, etc., and later gradually used for direct manufacturing of some products. It is especially widely used in the medical industry. Among them, 3D printed dentures can achieve better matching for different patients.

[0004] When adding raw materials to a traditional 3D printer, the 3D printer needs to be stopped and the raw materials need to be added manually, which makes it inconvenient to use. Utility Model Content

[0005] In view of this, the utility model provides a feeding mechanism for denture 3D printing equipment, which can realize automatic supply of raw materials through an automatic feeding component, without the need for frequent shutdown for manual feeding, and is more convenient to operate.

[0006] In order to solve the above technical problems, the utility model provides a feeding mechanism of a denture 3D printing device, comprising a mobile platform arranged on a frame of the 3D printing device for moving the position of a print head, an automatic feeding component for storing and adding printing materials is arranged on the mobile platform, the automatic feeding component comprises a fixed plate arranged on the mobile platform, a storage bin connected to the print head is arranged on the fixed plate, a driving motor is arranged on the upper part of the storage bin, a screw is arranged on the end of the output shaft of the driving motor, the screw penetrates and is threadedly connected to the upper side wall of the storage bin, and an extrusion plate is arranged at the bottom of the screw. The utility model can drive the screw to rotate together with the rotation of the output shaft of the driving motor, and the rotation of the screw will move downward while driving the extrusion plate to rotate under the action of the threaded connection with the discharge bin, thereby realizing the automatic extrusion operation of the material, and the automatic feeding component realizes the automatic supply of raw materials, without the need for frequent shutdown for manual feeding, and the operation is more convenient.

[0007] An injection port is provided on the outer wall of the storage bin, and the injection port is connected with the discharge port of the auger conveyor through a corrugated material guide pipe. The corrugated material guide pipe should be made of a plastic pipe with a smooth inner wall and good toughness to avoid adhesion of raw materials. The utility model can realize the addition of raw materials in the storage bin without stopping the machine through the auger conveyor in combination with the corrugated material guide pipe, which is more convenient and efficient.

[0008] The print head is a conical structure, and a material discharge port is provided on the axis of the print head. The purpose of this is to enable the material to fall smoothly under the action of its own gravity through the conical structure, so as to facilitate the smooth automatic falling operation of the material.

[0009] The extrusion plate is a rubber plate, and the extrusion plate should be made of non-slip and wear-resistant rubber material, which is more durable and greatly improves the service life of the automatic feeding component.

[0010] The mobile platform is a linear slide, and the fixed plate is fixed on the slider of the linear slide. The linear slide is a linear slide driven by a motor screw in the prior art. The mobile platform can realize convenient and fast movement and adjustment of the position of the storage bin and the print head, and the operation is more convenient.

[0011] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0012] 1. The utility model can drive the screw to rotate by rotating the output shaft of the driving motor. The rotation of the screw will drive the extrusion plate to rotate and move downward under the action of the threaded connection with the discharge bin, thereby realizing the automatic extrusion operation of the material. The automatic feeding component realizes the automatic supply of raw materials, and there is no need to frequently stop the machine for manual feeding, which makes the operation more convenient.

[0013] 2. The corrugated material guide pipe should be made of a plastic pipe with a smooth inner wall and good toughness, so as to avoid the adhesion of raw materials. The utility model can realize the addition of raw materials in the storage bin without stopping the machine through the auger conveyor and the corrugated material guide pipe, which is more convenient and efficient.

[0014] 3. The conical structure allows the material to fall smoothly under the action of its own gravity, making it easy to realize the smooth and automatic falling operation of the material.

[0015] 4. The extrusion plate should be made of non-slip and wear-resistant rubber material, which is more durable and greatly improves the service life of the automatic feeding component. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the feeding mechanism of the denture 3D printing device of the utility model;

[0017] Figure 2 It is a side view of the feeding mechanism of the denture 3D printing device of the utility model;

[0018] Figure 3 It is a cross-sectional view of the utility model taken along line AA.

[0019] Explanation of the reference numerals: 100, frame; 200, print head; 300, mobile platform; 400, automatic feeding assembly; 401, fixed plate; 402, storage bin; 403, driving motor; 404, screw; 405, extrusion plate; 406, injection port. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-3 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0021] like Figure 1-3 As shown: This embodiment provides a feeding mechanism of a denture 3D printing device, including a mobile platform 300 arranged on a frame 100 of the 3D printing device for moving the position of a print head 200, an automatic feeding component 400 for storing and adding printing materials is arranged on the mobile platform 300, and the automatic feeding component 400 includes a fixed plate 401 arranged on the mobile platform 300, a storage bin 402 connected to the print head 200 is arranged on the fixed plate 401, and a driving motor 403 is arranged on the upper part of the storage bin 402, and the driving motor 403 is arranged on the upper part of the storage bin 402. A screw 404 is provided at the end of the output shaft of 3, and the screw 404 penetrates and is threadedly connected to the upper side wall of the storage bin 402. A squeezing plate 405 is provided at the bottom of the screw 404. The utility model can drive the screw 404 to rotate together by the rotation of the output shaft of the driving motor 403. The rotation of the screw 404 will drive the squeezing plate 405 to rotate and move downward under the action of the threaded connection with the discharge bin, thereby realizing the automatic extrusion operation of the material. The automatic feeding component 400 realizes the automatic supply of raw materials, without the need for frequent shutdowns for manual feeding, and the operation is more convenient.

[0022] According to one embodiment of the utility model, Figure 1-3 As shown, an injection port 406 is opened on the outer wall of the storage bin 402, and the injection port 406 is connected to the discharge port of the auger conveyor through a corrugated material guide pipe. The corrugated material guide pipe should be a plastic pipe with a smooth inner wall and good toughness to avoid the adhesion of raw materials. The utility model can realize the addition of raw materials in the storage bin 402 without stopping the machine through the auger conveyor in combination with the corrugated material guide pipe, which is more convenient and efficient.

[0023] According to another embodiment of the present invention, Figure 1 and Figure 2As shown, the print head 200 is a conical structure, and a material discharge port is provided on the axis of the print head 200. The purpose of this is to enable the material to fall smoothly under the action of its own gravity through the conical structure, thereby facilitating the smooth automatic falling operation of the material.

[0024] According to another embodiment of the present invention, Figure 1 and Figure 3 As shown, the extrusion plate 405 is a rubber plate. The extrusion plate 405 should be made of a non-slip and wear-resistant rubber material, which is more durable and greatly improves the service life of the automatic feeding component 400.

[0025] The mobile platform 300 is a linear slide, and the fixed plate 401 is fixed on the slider of the linear slide. The linear slide is a linear slide driven by a motor screw in the prior art. Through the mobile platform 300, the position of the storage bin 402 and the print head 200 can be conveniently and quickly moved and adjusted, making the operation more convenient.

[0026] The use of the utility model:

[0027] First of all, it should be made clear that the feeding mechanism involved in the utility model is mainly used for feeding operations of powder-type printing equipment. The utility model takes the feeding of a 3D printer for denture processing as an example to explain its usage in detail. When feeding operations are required, the discharge port of the auger conveyor is connected to the feed port of the storage bin 402 through a corrugated guide tube, and then the auger conveyor is started to fill the discharge bin. After the filling is completed, the output shaft of the drive motor 403 is started to rotate and the 3D printer is started to print. The utility model can realize automatic supply of raw materials through the automatic feeding component 400, without frequent shutdown for manual feeding, and the operation is more convenient.

[0028] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0029] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A feeding mechanism of a denture 3D printing device, comprising a moving platform (300) arranged on a frame (100) of the 3D printing device for moving the position of a print head (200), characterized in that: The mobile platform (300) is provided with an automatic feeding component (400) for storing and adding printing materials. The automatic feeding component (400) comprises a fixed plate (401) arranged on the mobile platform (300), a material storage bin (402) connected to the print head (200) is arranged on the fixed plate (401), a driving motor (403) is arranged at the top of the material storage bin (402), a screw (404) is arranged at the end of the output shaft of the driving motor (403), the screw (404) penetrates through and is threadedly connected to the upper side wall of the material storage bin (402), and a material extrusion plate (405) is arranged at the bottom of the screw (404).

2. The feeding mechanism of the denture 3D printing device according to claim 1, characterized in that: An injection port (406) is provided on the outer side wall of the storage bin (402), and the injection port (406) is connected to the discharge port of the screw conveyor through a corrugated material guide pipe.

3. The feeding mechanism of the denture 3D printing device according to claim 2, characterized in that: The printing head (200) is a conical structure, and a feeding port is provided on the axis of the printing head (200).

4. The feeding mechanism of the denture 3D printing device according to claim 3, characterized in that: The extrusion plate (405) is a rubber plate.

5. The feeding mechanism of the denture 3D printing device according to claim 4, characterized in that: The moving platform (300) is a linear slide.

6. The feeding mechanism of the denture 3D printing device according to claim 5, characterized in that: The fixing plate (401) is fixedly mounted on a slide block of the linear slide.

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