Automatic feeding device for 3D additional materials

Abstract

The utility model discloses an automatic feeding device for 3D additional materials, which comprises an operating platform, a front-back moving mechanism is mounted on the operating platform, a left-right moving mechanism is mounted at the rear end of the operating platform, a feeding device is mounted at the front end of the left-right moving mechanism in a sliding manner, and the feeding device moves up and down on the left-right moving mechanism. According to the utility model, the material supply device is installed, the loading assembly of the material supply device enables PLA polylactic acid raw materials to enter through the feed hopper and enables the PLA polylactic acid raw materials to be discharged through the rotating spiral blade, the spiral blade can prevent the PLA polylactic acid raw materials from being blocked and is convenient to use, and the additionally arranged heating assembly can heat the PLA polylactic acid raw materials, so that the PLA polylactic acid raw materials can be heated by the heating assembly. And a heat conduction ring is arranged on the heating plate, so that heat can be quickly distributed around, PLA raw materials can be uniformly heated, and heat dissipation can be slowed down through an arranged heat preservation plate.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printers, in particular to an automatic feeding device for 3D material addition. Background Art

[0002] 3D additive is based on a method called layered manufacturing, in which three-dimensional objects are built by adding material layer by layer, rather than traditional subtractive processing methods. This makes the manufacturing process more flexible and efficient, allowing complex shapes and customized designs to be achieved while reducing waste and production time. It is widely used in fields such as medical, aviation and automotive industries and construction.

[0003] Existing 3D printers add materials by transferring linear raw materials to a nozzle and extruding them. However, the linear raw materials are prone to breakage during transfer, which in turn affects the efficiency of 3D additive manufacturing. Utility Model Content

[0004] The purpose of the utility model is to provide an automatic feeding device for 3D additive manufacturing to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic feeding device for 3D additive, comprising an operating table, a front-and-rear moving mechanism is installed on the operating table, a left-and-right moving mechanism is installed at the rear end of the operating table, a feeding device is slidably installed at the front end of the left-and-right moving mechanism, and the feeding device moves up and down on the left-and-right moving mechanism.

[0006] The feeding device comprises a bracket, which is fixedly connected to the front side of the left and right moving mechanism. A feeding assembly is fixedly installed on the bracket, a heating assembly is fixedly installed at the bottom of the feeding assembly, and an extrusion nozzle is fixedly connected to the bottom side of the heating assembly.

[0007] As a further preferred embodiment of the present technical solution, the operating table includes a base, a switch is installed on the front side of the base, and an operation button is installed on the front side of the base and above the switch.

[0008] As a further preferred embodiment of the present technical solution, the forward and backward moving mechanism includes a driving mechanism, the driving mechanism is installed in the middle position of the base, and a placing table is slidably installed on the driving mechanism.

[0009] In the above technical solution, the extrusion nozzle can be moved according to the pre-set program of 3D printing, and can automatically discharge materials, which is faster and of higher quality than traditional manual printing.

[0010] As a further preferred embodiment of the present technical solution, the feeding assembly includes a barrel, a feed pipe is fixedly connected to the top opening of the barrel, the feed pipe passes through the top of the bracket, and a feed hopper is fixedly connected to the top of the feed pipe.

[0011] As a further preferred embodiment of the present technical solution, a motor is installed in the middle position of the upper end of the bracket, and a rotating rod is fixedly connected to the output end of the motor. The rotating rod passes through the bracket and the upper end of the barrel and extends into the heating assembly, and a spiral blade is fixedly connected to the outer wall below the rotating rod.

[0012] In the above technical solution, the feeding assembly is provided to allow the PLA polylactic acid raw material to enter through the feed hopper, and the PLA polylactic acid raw material is discharged through the rotating spiral blade, and the spiral blade can prevent the PLA polylactic acid raw material from being blocked.

[0013] As a further preferred embodiment of the present technical solution, the heating assembly includes an outer cylinder, the top side of the outer cylinder is fixedly connected to the bottom side of the cylinder, the inner wall of the outer cylinder is fixedly connected to a heat preservation plate, the inner side of the heat preservation plate is fixedly connected to an inner cylinder, the outer wall of the inner cylinder is arranged with heat-conducting rings, the outer wall of the heat-conducting ring is fixedly connected to a heating plate, and the heat-conducting ring and the heating plate are located in the gap between the inner cylinder and the heat-preserving plate.

[0014] In the above technical solution, the heating component is capable of heating the PLA polylactic acid raw material, which is convenient for the discharge of the 3D printer, and a heat-conducting ring is arranged on the heating plate so that the heat can be quickly distributed around, and the PLA polylactic acid raw material can be evenly heated. The insulation plate is capable of slowing down the dissipation of heat.

[0015] As a further preferred embodiment of the present technical solution, a wiring terminal is installed at one end of the heating plate through a power line, and the wiring terminal is arranged on the outer wall of the outer cylinder.

[0016] The utility model provides an automatic feeding device for 3D additive manufacturing, which has the following beneficial effects:

[0017] (1) The utility model installs a feeding device, wherein a feeding component is provided to allow PLA polylactic acid raw materials to enter through a feeding hopper, and the PLA polylactic acid raw materials are discharged through rotating spiral blades, and the spiral blades can prevent the PLA polylactic acid raw materials from being blocked, which is convenient for use. In addition, a heating component is provided to heat the PLA polylactic acid raw materials, which is convenient for the discharge of the 3D printer, and a heat-conducting ring is provided on the heating plate, so that the heat can be quickly distributed around, and the PLA polylactic acid raw materials can be evenly heated. The provided insulation plate can slow down the heat dissipation.

[0018] (2) The utility model installs a front-to-back moving mechanism and a left-to-right moving mechanism, and the feeding device moves up and down on the left-to-right moving mechanism, so that the extrusion nozzle can move according to a pre-set program for 3D printing and can automatically discharge materials, which is faster and of higher quality than traditional manual printing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the automatic feeding device for 3D additive manufacturing of the utility model;

[0020] Figure 2 The utility model is Figure 1 Structural schematic diagram of the feeding device;

[0021] Figure 3 The utility model is Figure 2 Schematic diagram of the structure of the heating component split;

[0022] Figure 4 The utility model is Figure 3 A magnified view of Figure A;

[0023] In the figure: 1. operating table; 2. forward and backward moving mechanism; 3. left and right moving mechanism; 4. feeding device; 11. base; 12. power on; 13. operating button; 21. driving mechanism; 22. placing table; 41. bracket; 42. loading assembly; 43. heating assembly; 44. extrusion nozzle; a1. barrel; a2. feeding pipe; a3. feeding hopper; b1. motor; b2. rotating rod; b3. spiral blade; c1. inner barrel; c2. heat-conducting ring; c3. heating plate; c4. insulation plate; c5. outer barrel; c6. terminal. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] The utility model provides a technical solution: Figure 1 As shown, in this embodiment, an automatic feeding device for 3D additive manufacturing includes an operating table 1, a forward and backward moving mechanism 2 is installed on the operating table 1, a left and right moving mechanism 3 is installed at the rear end of the operating table 1, a feeding device 4 is slidably installed at the front end of the left and right moving mechanism 3, and the feeding device 4 moves up and down on the left and right moving mechanism 3. The operating table 1 includes a base 11, a power on 12 is installed on the front side of the base 11, an operation button 13 is installed on the front side of the base 11 and above the power on 12, the forward and backward moving mechanism 2 includes a driving mechanism 21, the driving mechanism 21 is installed in the middle position of the base 11, and a placing table 22 is slidably installed on the driving mechanism 21, so that the extrusion nozzle 44 can move according to the pre-set program of 3D printing and can automatically discharge materials, which is faster and of higher quality than traditional manual printing.

[0026] like Figure 2As shown, the feeding device 4 includes a bracket 41, which is fixedly connected to the front side of the left and right moving mechanism 3, a feeding assembly 42 is fixedly installed on the bracket 41, a heating assembly 43 is fixedly installed at the bottom of the feeding assembly 42, and an extrusion nozzle 44 is fixedly connected to the bottom side of the heating assembly 43. The feeding assembly 42 includes a barrel a1, a feeding pipe a2 is fixedly connected to the opening on the top side of the barrel a1, the feeding pipe a2 passes through the top of the bracket 41, and a feeding hopper a3 is fixedly connected to the top of the feeding pipe a2. A motor b1 is installed in the middle position of the upper end of the bracket 41, and a rotating rod b2 is fixedly connected to the output end of the motor b1. The rotating rod b2 passes through the bracket 41 and the upper end of the barrel a1, and extends into the heating assembly 43. A spiral blade b3 is fixedly connected to the outer wall below the rotating rod b2. The feeding assembly 42 allows the PLA polylactic acid raw material to enter through the feeding hopper a3, and the PLA polylactic acid raw material is discharged through the rotating spiral blade b3, and the spiral blade b3 can prevent the PLA polylactic acid raw material from being blocked, which is convenient to use.

[0027] like Figure 3 and Figure 4 As shown, the heating assembly 43 includes an outer cylinder c5, the top side of the outer cylinder c5 is fixedly connected to the bottom side of the barrel a1, the inner wall of the outer cylinder c5 is fixedly connected to a heat preservation plate c4, the heat preservation plate c4 is a polystyrene heat preservation plate, which is made of polystyrene plastic particles through foaming and has good thermal resistance and pressure resistance, the inner side of the heat preservation plate c4 is fixedly connected to the inner cylinder c1, the outer wall of the inner cylinder c1 is arranged and distributed with heat conduction rings c2, the heat conduction rings c2 are made of copper material and have good thermal conductivity, and the outer wall of the heat conduction ring c2 is fixedly connected to a heating plate c3, The heat-conducting ring c2 and the heating plate c3 are located in the gap between the inner cylinder c1 and the insulation plate c4. A terminal c6 is installed at one end of the heating plate c3 through a power cord. The terminal c6 is arranged on the outer wall of the outer cylinder c5. The heating component 43 can heat the PLA polylactic acid raw material to facilitate the discharge of the 3D printer. The heat-conducting ring c2 is arranged on the heating plate c3, so that the heat can be quickly distributed around, and the PLA polylactic acid raw material can be evenly heated. The insulation plate c4 can slow down the dissipation of heat.

[0028] The utility model provides an automatic feeding device for 3D additive, and the specific working principle is as follows: PLA polylactic acid raw material is fed into the feed hopper a3, and at the same time, the motor b1 is started to drive the rotating rod b2 to rotate, so that the spiral blade b3 rotates, so that the PLA polylactic acid raw material falls into the inner cylinder c1, and the heating plate c3 is energized by the terminal c6 to release heat, and the heat is quickly dissipated around through the heat-conducting ring c2, so that the PLA polylactic acid raw material becomes soft until it is extruded from the extrusion nozzle 44; wherein a program is set in advance according to the shape of the 3D printed object, so that the extrusion nozzle 44 moves according to the set program, and the extrusion nozzle 44 can be adjusted through the front-back moving mechanism 2 and the left-right moving mechanism 3, and a complete 3D shape is formed by continuous additive.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art 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 appended claims and their equivalents.

Claims

1. An automatic feeding device for 3D additive manufacturing, comprising an operating table (1), characterized in that: The operating table (1) is provided with a forward and backward moving mechanism (2), the rear end of the operating table (1) is provided with a left and right moving mechanism (3), the front end of the left and right moving mechanism (3) is provided with a feeding device (4) which is slidably mounted, and the feeding device (4) moves up and down on the left and right moving mechanism (3); The feeding device (4) comprises a bracket (41), the bracket (41) is fixedly connected to the front side of the left-right moving mechanism (3), a feeding component (42) is fixedly mounted on the bracket (41), a heating component (43) is fixedly mounted on the bottom of the feeding component (42), and an extrusion nozzle (44) is fixedly connected to the bottom side of the heating component (43).

2. The automatic feeding device for 3D additive manufacturing according to claim 1, characterized in that: The operating table (1) comprises a base (11), a switch (12) is installed on the front side of the base (11), and an operating button (13) is installed on the front side of the base (11) and above the switch (12).

3. The automatic feeding device for 3D additive manufacturing according to claim 1, characterized in that: The forward and backward moving mechanism (2) comprises a driving mechanism (21), the driving mechanism (21) is installed at the middle position of the base (11), and a placing platform (22) is slidably installed on the driving mechanism (21).

4. The automatic feeding device for 3D additive manufacturing according to claim 1, characterized in that: The feeding assembly (42) comprises a barrel (a1), a feeding pipe (a2) is fixedly connected to the top opening of the barrel (a1), the feeding pipe (a2) passes through the top of the bracket (41), and a feeding hopper (a3) ​​is fixedly connected to the top of the feeding pipe (a2).

5. The automatic feeding device for 3D additive manufacturing according to claim 1, characterized in that: A motor (b1) is installed in the middle position of the upper end of the bracket (41), and a rotating rod (b2) is fixedly connected to the output end of the motor (b1). The rotating rod (b2) passes through the bracket (41) and the upper end of the barrel (a1) and extends into the heating component (43). A spiral blade (b3) is fixedly connected to the outer wall below the rotating rod (b2).

6. The automatic feeding device for 3D additive manufacturing according to claim 1, characterized in that: The heating component (43) comprises an outer cylinder (c5), the top side of the outer cylinder (c5) is fixedly connected to the bottom side of the barrel (a1), the inner wall of the outer cylinder (c5) is fixedly connected to a heat preservation plate (c4), the inner side of the heat preservation plate (c4) is fixedly connected to an inner cylinder (c1), the outer wall of the inner cylinder (c1) is arranged with heat-conducting rings (c2), the outer wall of the heat-conducting ring (c2) is fixedly connected to a heating plate (c3), and the heat-conducting ring (c2) and the heating plate (c3) are located in a gap between the inner cylinder (c1) and the heat preservation plate (c4).

7. The automatic feeding device for 3D additive manufacturing according to claim 6, characterized in that: One end of the heating plate (c3) is provided with a wiring terminal (c6) via a power line, and the wiring terminal (c6) is arranged on the outer wall of the outer cylinder (c5).

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