阅读说明：本技术 一种3d打印耗材生产用加热装置 (Heating device is used in production of 3D printing consumables ) 是由 蔡明� 蒋昆 于 2019-12-18 设计创作，主要内容包括：本发明公开了一种3D打印耗材生产用加热装置,包括支架,所述支架的一侧安装有加热腔,所述加热腔的外部设有外壳,所述外壳的内部安装有电热棒,且外壳的内部安装有温度传感器,所述第一锥齿轮的一侧啮合连接有第二锥齿轮,所述第二锥齿轮键接于电机的输出轴上,所述电机通过螺栓安装于支架的顶部。将原料投入到加料漏斗中,由电机带动第二锥齿轮转动,同时通过第四锥齿轮、第三锥齿轮带动第二螺旋杆转动,从而将原料输送到加热腔中,由电热棒对原料进行加热,根据温度传感器进行检测温度,在电热棒对加热腔中原料加热的同时,其预热可以对进料管中的原料进行预热,提高了原料加热的效率。(The invention discloses a heating device for 3D printing consumable production, which comprises a support, wherein a heating cavity is installed on one side of the support, a shell is arranged outside the heating cavity, an electric heating rod is installed inside the shell, a temperature sensor is installed inside the shell, one side of a first bevel gear is connected with a second bevel gear in a meshing manner, the second bevel gear is in key joint with an output shaft of a motor, and the motor is installed on the top of the support through a bolt. In throwing into feed hopper with the raw materials, drive second bevel gear by the motor and rotate, drive the second hob through fourth bevel gear, third bevel gear simultaneously and rotate to carry the raw materials to heat the chamber in, heat the raw materials by the electric heat bar, detect the temperature according to temperature sensor, when the electric heat bar heats the raw materials in the chamber in heating, it preheats the raw materials that can be to in the inlet pipe, has improved the efficiency of raw materials heating.)

1. The utility model provides a heating device is used in production of 3D printing consumables, includes support (1), its characterized in that: the heating device is characterized in that a heating cavity (2) is installed on one side of the support (1), a shell (4) is arranged outside the heating cavity (2), an electric heating rod (3) is installed inside the shell (4), a temperature sensor (5) is installed inside the shell (4), a cover plate (6) is arranged at the top of the heating cavity (2), a first sealing bearing (7) is embedded in the center of the cover plate (6), a first spiral rod (8) is connected to an inner ring of the first sealing bearing (7) in an interference mode, a first bevel gear (9) is keyed on the upper end of the first spiral rod (8), a second bevel gear (10) is meshed with one side of the first bevel gear (9), the second bevel gear (10) is keyed on an output shaft of a motor (11), and the motor (11) is installed at the top of the support (1) through bolts; the top intercommunication of apron (6) has inlet pipe (12), the inside welding of inlet pipe (12) has branch (13), the tip welding of branch (13) has bearing (14), second hob (15) have been pegged graft in the inner ring of bearing (14), the last end key joint of second hob (15) has third bevel gear (16), the lateral part of inlet pipe (12) is inlayed and is equipped with second sealed bearing (19), the interior ring intussuseption of second sealed bearing (19) has been pegged graft pivot (17), the equal key joint in both ends of pivot (17) has fourth bevel gear (20), and is two sets of fourth bevel gear (20) are respectively in first bevel gear (9) and third bevel gear (16) meshing connection.

2. The heating device for 3D printing consumable production according to claim 1, wherein: the top intercommunication of inlet pipe (12) has feeding funnel (21), the top of feeding funnel (21) articulates there is shield (22).

3. The heating device for 3D printing consumable production according to claim 2, wherein: air vent (23) have been seted up at the top of shield (22), the internally mounted of air vent (23) has dustproof cloth (24).

4. The heating device for 3D printing consumable production according to claim 1, wherein: one side fixedly connected with mounting bracket (25) of inlet pipe (12), the top of mounting bracket (25) is equipped with fan (26).

5. The heating device for 3D printing consumable production according to claim 1, wherein: the bottom threaded connection of heating chamber (2) has a silk head (27), the top of silk head (27) is equipped with sealing washer (28).

6. The heating device for 3D printing consumable production according to claim 1, wherein: the heating chamber (2) is internally provided with a vacuum chamber (29), and the inside of the vacuum chamber (29) is fixedly connected with a supporting block (30).

7. The heating device for 3D printing consumable production according to claim 1, wherein: the outside of shell (4) is equipped with rock wool board (31), sleeve pipe (32) have been cup jointed to the outside of rock wool board (31).

8. The heating device for 3D printing consumable production according to claim 2, wherein: an observation window (33) is arranged on one side of the feeding funnel (21), and toughened glass (18) is arranged inside the observation window (33).

Technical Field

The invention belongs to the technical field of 3D printing, and particularly relates to a heating device for 3D printing consumable production.

Background

Extrusion processing is always an important molding process for polymer processing, especially along with the development of 3D printing technology, the application of 3D printing consumables for FDM is wider and wider, and a 3D printing wire extrusion line gradually becomes a set of standardized equipment. A general 3D printing wire extrusion line is often composed of an extruder, a water cooling device, an air cooling device, a laser sizer, and a winder.

Some high heat-resisting 3D printing consumables when the heating melts, are for heating the raw materials in the heating chamber alone mostly for just entering into the raw materials heating in the heating chamber incomplete, are not convenient for preheat the raw materials, have reduced the efficiency of heating.

Disclosure of Invention

The invention aims to provide a heating device for 3D printing consumable production, which is characterized in that raw materials are put into a feeding hopper, a second bevel gear is driven to rotate by a motor, a second spiral rod is driven to rotate by a fourth bevel gear and a third bevel gear, so that the raw materials are conveyed into a heating cavity, the raw materials are heated by an electric heating rod, the temperature is detected by a temperature sensor, the raw materials in the heating cavity can be preheated by the electric heating rod while being heated by the electric heating rod, and the raw material heating efficiency is improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

a heating device for 3D printing consumable production comprises a support, wherein a heating cavity is installed on one side of the support, a shell is arranged outside the heating cavity, an electric heating rod is installed inside the shell, a temperature sensor is installed inside the shell, a cover plate is arranged at the top of the heating cavity, a first sealing bearing is embedded in the center of the cover plate, a first spiral rod is connected in an inner ring of the first sealing bearing in an interference mode, a first bevel gear is connected to the upper end of the first spiral rod in a key mode, a second bevel gear is connected to one side of the first bevel gear in a meshing mode, the second bevel gear is in key joint with an output shaft of a motor, and the motor is installed at the top of the support through bolts;

the top of the cover plate is communicated with a feed pipe, a support rod is welded inside the feed pipe, a bearing is welded at the end of the support rod, a second spiral rod is inserted in an inner ring of the bearing, a third bevel gear is keyed on the upper end of the second spiral rod, a second sealing bearing is embedded on the side portion of the feed pipe, a rotating shaft is inserted in the inner ring of the second sealing bearing, fourth bevel gears are keyed on two ends of the rotating shaft, and the fourth bevel gears are connected with the first bevel gear and the third bevel gear in a meshed mode.

Preferably, the top of inlet pipe intercommunication has feeding funnel, feeding funnel's top articulates there is the shield.

Preferably, the top of the dustproof cover is provided with a vent hole, and dustproof cloth is arranged inside the vent hole.

Preferably, one side fixedly connected with mounting bracket of inlet pipe, the top of mounting bracket is equipped with the fan.

Preferably, the bottom of the heating cavity is in threaded connection with a thread outlet head, and a sealing ring is arranged at the top of the thread outlet head.

Preferably, a vacuum cavity is arranged inside the heating cavity, and a support block is fixedly connected inside the vacuum cavity.

Preferably, the outside of shell is equipped with the rock wool board, the sleeve pipe has been cup jointed to the outside of rock wool board.

Preferably, one side of the feeding funnel is provided with an observation window, and toughened glass is arranged in the observation window.

The invention has the technical effects and advantages that: compared with the prior art, the heating device for producing the 3D printing consumables provided by the invention has the following advantages that:

1. the feeding device mainly comprises a heating cavity, an electric heating rod, a first spiral rod, a second spiral rod and the like, raw materials are put into a feeding hopper, a motor drives a second bevel gear to rotate, and meanwhile, a fourth bevel gear and a third bevel gear drive the second spiral rod to rotate, so that the raw materials are conveyed into the heating cavity and are heated by the electric heating rod;

2. open the motor after the heating is accomplished and drive first hob and rotate and go out the silk, drive the second hob simultaneously and add the material for consumptive material processing is sustainable constantly, has improved the efficiency of consumptive material processing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the feed pipe of the present invention;

FIG. 3 is a schematic cross-sectional view of the housing of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3;

fig. 5 is a schematic cross-sectional view of a heating chamber according to the present invention.

In the figure: 1. a support; 2. a heating cavity; 3. an electric heating rod; 4. a housing; 5. a temperature sensor; 6. a cover plate; 7. a first sealed bearing; 8. a first screw rod; 9. a first bevel gear; 10. a second bevel gear; 11. a motor; 12. a feed pipe; 13. a strut; 14. a bearing; 15. a second screw rod; 16. a third bevel gear; 17. a rotating shaft; 18. tempering the glass; 19. a second sealed bearing; 20. a fourth bevel gear; 21. a charging hopper; 22. a dust cover; 23. a vent hole; 24. a dust cloth; 25. a mounting frame; 26. a fan; 27. leading out a filament head; 28. a seal ring; 29. a vacuum chamber; 30. a support block; 31. rock wool boards; 32. a sleeve; 33. and (4) an observation window.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a heating device for 3D printing consumable production, which comprises a support 1, wherein a heating cavity 2 is arranged on one side of the support 1, a shell 4 is arranged outside the heating cavity 2, a rock wool plate 31 is arranged outside the shell 4, a sleeve 32 is sleeved outside the rock wool plate 31, the rock wool plate 31 and the sleeve 32 are favorable for improving the heat preservation effect of the shell 4, an electric heating rod 3 is arranged inside the shell 4, a temperature sensor 5 is arranged inside the shell 4, a cover plate 6 is arranged at the top of the heating cavity 2, a first sealing bearing 7 is embedded in the center of the cover plate 6, a first spiral rod 8 is in interference connection with an inner ring of the first sealing bearing 7, a first bevel gear 9 is in keyed connection with the upper end of the first spiral rod 8, a second bevel gear 10 is in meshed connection with one side of the first bevel gear 9, a second bevel gear 10 is in keyed connection with an output shaft of a motor 11, the motor 11 is arranged at the top of the bracket 1 through a bolt;

the top of the cover plate 6 is communicated with a feed pipe 12, a support rod 13 is welded inside the feed pipe 12, a bearing 14 is welded at the end part of the support rod 13, a second spiral rod 15 is inserted in an inner ring of the bearing 14, a third bevel gear 16 is keyed on the upper end of the second spiral rod 15, a second sealing bearing 19 is embedded on the side part of the feed pipe 12, a rotating shaft 17 is inserted in an inner ring of the second sealing bearing 19, both ends of the rotating shaft 17 are all keyed with fourth bevel gears 20, and the two groups of fourth bevel gears 20 are respectively meshed and connected with the first bevel gear 9 and the third bevel gear 16.

Feed pipe 12's top intercommunication feed hopper 21, be used for dropping into the consumptive material raw materials, feed hopper 21's top articulates there is shield 22, air vent 23 has been seted up at shield 22's top, the circulation of air in the feed hopper 21 of being convenient for, the internally mounted of air vent 23 has dustproof cloth 24, shield 22, can prevent the dust, the foreign matter falls into feed hopper 21, observation window 33 has been seted up to one side of feed hopper 21, the internally mounted of observation window 33 has toughened glass 18, toughened glass 18 in this observation window 33 is convenient for observe the clout in the feed hopper 21. A mounting bracket 25 is fixedly connected to one side of the feed pipe 12, and a fan 26 is provided on the top of the mounting bracket 25, wherein the fan 26 can dissipate heat outside the feed pipe 12.

The bottom of the heating cavity 2 is in threaded connection with a filament outlet 27, so that consumable materials can be conveniently extruded out, and the top of the filament outlet 27 is provided with a sealing ring 28, wherein the sealing ring 28 is beneficial to improving the sealing performance of the filament outlet 27 and the bottom of the heating cavity 2. A vacuum chamber 29 is arranged in the heating chamber 2, the vacuum chamber 29 facilitates a more uniform temperature of the heating chamber 2, and a support block 30 is fixedly connected to the inside of the vacuum chamber 29, the support block 30 facilitates an improvement of the stability of the heating chamber 2.

The working principle is as follows: drop into feed hopper 21 with the raw materials, drive second bevel gear 10 by motor 11 and rotate, simultaneously through fourth bevel gear 20, third bevel gear 16 drives second hob 15 and rotates, thereby carry the raw materials in heating chamber 2, heat the raw materials by electric rod 3, detect the temperature according to temperature sensor 5, in electric rod 3 heats chamber 2 raw materials heating, all the other heat can preheat the raw materials in inlet pipe 12, the efficiency of raw materials heating has been improved, it drives first hob 8 rotation and goes out the silk to open motor 11 after the heating is accomplished, it adds the material to drive second hob 15 simultaneously, make consumptive material processing sustainable constantly, the efficiency of consumptive material processing has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.