CN211165360U

CN211165360U - Rubber bar-shaped 3D printing material heating extruder

Info

Publication number: CN211165360U
Application number: CN201921955359.9U
Authority: CN
Inventors: 杨德安
Original assignee: Xiamen Smart Industrial Design Co ltd
Current assignee: Xiamen Smart Industrial Design Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-04
Anticipated expiration: 2029-11-13

Abstract

The utility model provides a rubber bar-shaped 3D printing material heating extruder, which belongs to the technical field of 3D printing equipment, and comprises a mounting frame and a driving motor, a guide mechanism and a heating extrusion mechanism which are arranged on the mounting frame, wherein the guide mechanism comprises a guide opening, a propelling gear and a guide wheel, the guide opening is arranged on the mounting frame, the propelling gear and the guide wheel are respectively arranged at two sides below the guide opening, the guide opening is connected with an output shaft of the driving motor, the guide wheel is rotationally connected on the mounting frame, and the guide opening is arranged opposite to a feed inlet of the heating extrusion mechanism, the overall structure is simple, the occupied space is small, the cost is relatively low, and the universality is high.

Description

Rubber bar-shaped 3D printing material heating extruder

Technical Field

The utility model relates to a 3D printing apparatus technical field especially relates to a gluey bar-shaped 3D printing material heating extruder.

Background

With the progress of scientific technology, 3D printing technology has entered our field of vision, and various 3D printers are also flooded in the market at present, but most of the 3D printers adopt high polymer materials such as ABS materials, PC L materials, P L a materials, PETG materials and the like to print, but the high polymer printing materials are solid at normal temperature and become fluid when heated to about 75 ℃, and the 3D printers need fluid materials to print.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a gluey bar-shaped 3D printing material heating extruder, it is complicated mainly to have solved current 3D printing device overall structure, the higher problem of cost, a purpose is achieved, a heating extruder of integral type is provided, to glue bar-shaped 3D printing material and directly carry extrusion mechanism, heat gluey bar-shaped 3D printing material through extrusion mechanism, then extrude, pipeline is reduced, overall structure is simple, the space that occupies is smaller, its cost is relatively lower.

In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: glue rodlike 3D printing material heating extruder, driving motor, guide mechanism and the heating extrusion mechanism that sets up on mounting bracket and the mounting bracket, guide mechanism includes guide mouth, propulsion gear and guide pulley, the guide mouth sets up on the mounting bracket, propulsion gear and guide pulley set up respectively the both sides of guide mouth below, the guide mouth with driving motor's output shaft links to each other, the guide pulley rotates to be connected on the mounting bracket, the guide mouth with the feed inlet of heating extrusion mechanism sets up relatively.

Further, heating extrusion mechanism is including crowded feed bin, the upper end of crowded feed bin sets up the feed inlet, the feed inlet below sets up the radiator, the lower extreme of crowded feed bin sets up prints the shower nozzle, radiator and print and set up heating element between the shower nozzle.

Further, the heat sink is provided as a heat radiation fin.

Further, a heat radiation fan opposite to the heat radiator is further arranged on the mounting frame.

Further, heating element includes fixed block and temperature control case, fixed installing soon on crowded feed bin, set up heating rod and temperature sensor in the fixed block, temperature sensor passes through the temperature control case and is connected with the heating rod electricity.

Further, the printing nozzle is detachably connected to the end of the extruding bin.

The utility model has the advantages that:

the utility model provides a heating extruder of integral type structure gets into by the guide mouth through gluing rodlike 3D printing material, and driving motor drives and impels gear revolve, will glue rodlike 3D printing material and carry heating extrusion mechanism downwards under the effect of guide pulley and heat and extrude, compares with prior art, has reduced pipeline, and its overall structure is simple compact, and the space that occupies is smaller, and its cost is lower relatively.

In addition, a radiator is arranged above the heating component, and radiating fans are arranged on the periphery of the radiator, so that the heated 3D printing material is rapidly cooled when flowing backwards upwards, and the situation that the heated 3D printing material is ejected backwards is prevented; heating element wherein includes fixed block and temperature control case, sets up heating rod and temperature sensor in the fixed block, but temperature sensor real time monitoring 3D printed material's heating temperature to give the control unit in the temperature control case with temperature signal transmission, thereby drive heating rod work, can set for corresponding heating temperature according to the 3D printed material of different materials, make 3D print more smoothly, improved the quality that 3D printed.

To sum up, the utility model provides a heating extruder of integral type will glue rodlike 3D printing material and directly carry extrusion mechanism, heat control to gluing rodlike 3D printing material through extrusion mechanism, has prevented the printing material's after the heating countercurrent moreover, and overall structure is simple, and the space that occupies is less, and the cost is lower relatively, and the commonality is strong.

Drawings

The contents of the various figures of the specification and the labels in the figures are briefly described as follows:

fig. 1 is a front view of the present invention;

FIG. 2 is a right side view of FIG. 1;

the labels in the above figures are: 1. the heating device comprises a mounting frame, 2, a driving motor, 3, a material guiding mechanism, 31, a material guiding opening, 32, a propelling gear, 33, a guide wheel, 4, a heating extrusion mechanism, 41, a material inlet, 42, an extrusion bin, 43, a radiator, 44, a printing spray head, 45, a heating assembly, 451, a fixing block, 452, a heating rod, 453, a temperature sensor and 5, a radiating fan.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The utility model discloses specific embodiment does: as shown in fig. 1 and 2, a rubber rod-shaped 3D printing material heating extruder comprises an installation frame 1 and a driving motor 2 arranged on the installation frame 1, a material guiding mechanism 3 and a heating extrusion mechanism 4, wherein the material guiding mechanism 3 comprises a material guiding port 31, a propelling gear 32 and a guide wheel 33, the material guiding port 31 is arranged on the installation frame 1, the propelling gear 32 and the guide wheel 33 are respectively arranged at two sides below the material guiding port 31, the material guiding port 31 is connected with an output shaft of the driving motor 2, the guide wheel 33 is rotatably connected on the installation frame 1, and the material guiding port 31 is arranged opposite to a feeding port 41 of the heating extrusion mechanism 4. The utility model provides a heating extruder of integral type structure, get into by guide mouth 31 through gluing rodlike 3D printing material, driving motor 2 work drives propulsion gear 32 and rotates, guide pulley 33 also with glue rodlike 3D printing material contact, to glue rodlike 3D printing material and carry heating extrusion mechanism 4 downwards and heat and extrude, compare with prior art, pipeline has been reduced, its overall structure is simple compact, the space that occupies is smaller, its cost is lower relatively.

Specifically, this heating extrusion mechanism 4 includes crowded feed bin 42, the upper end of crowded feed bin 42 sets up feed inlet 41, feed inlet 41 is relative with guide opening 31, make the 3D printing material of glue bar-shaped can be by feed inlet 41 direction entering guide opening 31, feed inlet 41 below sets up radiator 43, this radiator 43 sets up to radiating fin, and still be provided with radiator fan 5 relative with radiator 43 on the mounting bracket 1, the lower extreme of crowded feed bin 42 sets up printing shower nozzle 44, set up heating element 45 between radiator 43 and the printing shower nozzle 44, it cools off rapidly to make the 3D printing material after the heating up when flowing backward, the 3D printing material after the heating condition of blowout against the current has been prevented.

Specifically, the heating assembly 45 comprises a fixing block 451 and a temperature control box, the fixing block 451 is mounted on the material extruding bin 42, the fixing block 451 and the material extruding bin 42 can be connected in a threaded connection mode or in a clamping connection mode, the fixing block 451 can be replaced conveniently, wherein the temperature control box can be installed and fixed on a mounting rack 1 (not shown in figure 1), the temperature control box is internally provided with a central processing unit, a heating rod 452 and a temperature sensor 453 are provided in the fixing block 451 to set a corresponding heating temperature range in the temperature control box according to different 3D printing materials, the temperature sensor 453 detects the temperature of the lower portion of the extruding bin 42 and feeds back a temperature signal to the central processing unit in the temperature control box, the central processing unit compares the detected temperature signal with a set temperature range value, so as to control the heating rod 452 to work, and the heating assembly 45 is suitable for heating and extruding a plurality of 3D printing materials; in addition, the printing nozzle 44 is connected to the end of the extruding bin 42 in a detachable connection mode such as threaded connection and clamping connection, so that the printing nozzle 44 is convenient to clean and replace.

The working principle of applying the heating extruder to heat and extrude the glue stick-shaped 3D printing material is as follows: firstly, starting the driving motor 2, enabling the driving motor 2 to drive the propelling gear 32 to rotate clockwise, and setting the heating working temperature in the temperature control box; then, the rubber rod-shaped 3D printing material enters between the pushing gear 32 and the guide wheel 33 through the material guide port 31, the pushing gear 32 rotates clockwise to drive the rubber rod-shaped 3D printing material to move downwards, and the guide wheel 33 plays a role in limiting and guiding, so that the rubber rod-shaped 3D printing material enters the heating extrusion mechanism 4; finally, the glue stick-shaped 3D printing material enters the extruding bin 42 from the feeding hole 41 and finally enters the fixing block 451, the heating rod 452 is used for heating to enable the temperature in the extruding bin 42 to reach the working temperature, the glue stick-shaped 3D printing material is melted and extruded by the printing nozzle 44, the heated glue stick-shaped 3D printing material flows upwards and is rapidly cooled when meeting the radiator 43, and the backflow spraying condition is prevented.

The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.

Claims

1. The utility model provides a rubber rod-shaped 3D printing material heating extruder, its characterized in that, driving motor (2), guide mechanism (3) and heating extrusion mechanism (4) that set up on mounting bracket (1) and mounting bracket (1), guide mechanism (3) are including guide mouth (31), propulsion gear (32) and guide pulley (33), guide mouth (31) set up on mounting bracket (1), propulsion gear (32) and guide pulley (33) set up respectively the both sides of guide mouth (31) below, guide mouth (31) with the output shaft of driving motor (2) links to each other, guide pulley (33) rotate to be connected on mounting bracket (1), guide mouth (31) with feed inlet (41) of heating extrusion mechanism (4) set up relatively.

2. The heating extruder for plastic rod-shaped 3D printing materials according to claim 1, wherein the heating extrusion mechanism (4) comprises an extrusion bin (42), the feeding hole (41) is arranged at the upper end of the extrusion bin (42), a radiator (43) is arranged below the feeding hole (41), a printing nozzle (44) is arranged at the lower end of the extrusion bin (42), and a heating assembly (45) is arranged between the radiator (43) and the printing nozzle (44).

3. Glue stick 3D printing material heating extruder as claimed in claim 2, characterized in that the heat sink (43) is provided as a heat sink fin.

4. The glue stick 3D printing material heating extruder according to claim 3, characterized in that a heat dissipating fan (5) opposite the heat sink (43) is further provided on the mounting frame (1).

5. The heating extruder for the rubber rod-shaped 3D printing material according to any one of claims 2 to 4, wherein the heating assembly (45) comprises a fixing block (451) and a temperature control box, the fixing block (451) is installed on the extruding bin (42), a heating rod (452) and a temperature sensor (453) are arranged in the fixing block (451), and the temperature sensor (453) is electrically connected with the heating rod (452) through the temperature control box.

6. The glue stick 3D printing material heating extruder according to claim 5, wherein the print head (44) is detachably connected to the end of the extrusion bin (42).