CN219338613U

CN219338613U - Consumable heating mechanism for 3D printer

Info

Publication number: CN219338613U
Application number: CN202223283825.8U
Authority: CN
Inventors: 卢俊旭; 吴杰华; 王恩达
Original assignee: Shenzhen Jiexinhua Technology Co ltd
Current assignee: Shenzhen Jiexinhua Technology Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-07-14
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to a consumable heating mechanism for a 3D printer, which comprises a hot melting crucible, wherein a feeding device and a stirring device are arranged in the hot melting crucible, the feeding device comprises a feeding cylinder, a first rotating shaft and a spiral blade, one end of the feeding cylinder is closed, the other end of the feeding cylinder is provided with a discharge hole, the hot melting crucible is arranged above the feeding cylinder close to the closed end, the bottom of the hot melting crucible is communicated with the upper surface of the feeding cylinder, the first rotating shaft is rotatably arranged in the feeding cylinder, the spiral blade is fixedly sleeved outside the first rotating shaft, a first motor is arranged outside the hot melting crucible, the first rotating shaft penetrates through the feeding cylinder and is connected with the first motor, the feeding device is arranged in the utility model, and the consumable is pushed to move in a direction close to the discharge hole by rotating the spiral blade.

Description

Consumable heating mechanism for 3D printer

Technical Field

The utility model relates to the technical field of heating mechanisms, in particular to a consumable heating mechanism for a 3D printer.

Background

Patent number CN20161324536. X discloses a 3D printer consumable pretreatment device, in this patent, the consumable of the printer is heated by the hot melting crucible, and is fed by the downward compression of the piston, but when the feeding is needed in the middle, the piston moves upwards, the interior of the hot melting crucible is in a negative pressure state, the consumable at the printing head is pumped into the hot melting crucible again, the printing head is broken, the printing is needed to be interrupted, and after the feeding is finished, the feeding is carried out again by the downward pressing of the piston; in addition, consumable stands in the hot melt crucible during the heating, leads to being heated unevenly, and heating efficiency is low.

Disclosure of Invention

(one) solving the technical problems

Aiming at the problems in the prior art, the utility model provides a consumable heating mechanism for a 3D printer, which aims to solve the technical problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a 3D is consumable heating mechanism for printer, includes the hot melt crucible, is equipped with material feeding unit and agitating unit in the hot melt crucible, material feeding unit includes feed cylinder, first rotation axis and helical blade, the one end of feed cylinder is sealed, and the other end is equipped with the discharge gate, and the hot melt crucible sets up in the top that the feed cylinder is close to the blind end, and the bottom of hot melt crucible and the upper surface intercommunication of feed cylinder, and first rotation axis rotates the setting in the feed cylinder, and helical blade fixed cover is established outside first rotation axis, is equipped with first motor outside the hot melt crucible, and first rotation axis runs through the feed cylinder and is connected with first motor, agitating unit includes second rotation axis and stirring vane, the both ends of second rotation axis are all connected with hot melt crucible detachably, and stirring vane is fixed to be set up outside the second rotation axis, agitating unit is provided with two sets of, and two sets of be equipped with aggregate unit between the agitating unit.

Preferably, the linkage device comprises a second motor, a first gear, a second gear and a third gear, wherein the second motor is arranged on one side of the hot melting crucible, the first gear is sleeved outside an output shaft of the second motor, the second gear and the third gear are respectively connected with the two stirring devices, the first gear is meshed with the second gear, and the second motor can drive the two stirring devices to rotate together to stir.

In a further preferred embodiment, the two sides inside the hot melt crucible are respectively provided with a first connecting shaft and a second connecting shaft in a rotating manner, the first connecting shafts and the second connecting shafts are respectively provided with a first connecting sleeve and a second connecting sleeve, the two first connecting sleeves are respectively fixedly arranged on the first connecting shafts and the second connecting shafts, the two ends of the second rotating shaft are respectively arranged in the first connecting sleeves and the second connecting sleeves, the first connecting sleeves, the second rotating shaft and the second connecting sleeves are detachably connected through bolts, the second gear and the third gear are respectively sleeved on the two second connecting shafts, and the second rotating shaft and the stirring blade are conveniently detached for cleaning.

In a further preferred embodiment, the first connecting sleeve and the second connecting sleeve are respectively provided with a limiting block, and both ends of the second rotating shaft are respectively provided with a limiting groove matched with the limiting blocks, so that the second rotating shaft is driven to rotate through rotation of the first connecting shaft.

In a further preferred embodiment, the limiting blocks of the first connecting sleeve and the second connecting sleeve are respectively provided with a first through hole, the second rotating shaft is provided with a second through hole matched with the first through hole, the first through hole and the second through hole are detachably connected through bolts, and the second rotating shaft, the first connecting shaft and the second connecting shaft are convenient to connect and fix.

In a further preferred embodiment, the position of the second connecting sleeve corresponding to the first through hole is provided with a mounting plane, and the position of the first connecting sleeve corresponding to the first through hole is provided with a limiting hole, so that the head of the bolt is conveniently limited.

In a further preferred embodiment, the outer wall of the hot-melt crucible is provided with a heating assembly for heating the hot-melt crucible.

In a further preferred aspect, a cover plate is detachably arranged at the top of the hot-melt crucible, so that the hot-melt crucible is conveniently shielded, and ash entering is prevented.

(III) beneficial effects

Compared with the prior art, the utility model provides a consumable heating mechanism for a 3D printer, which has the following beneficial effects:

1. according to the utility model, the feeding device is arranged, the consumable is pushed to move towards the direction close to the discharge hole by rotating the spiral blade, the cover plate can be directly opened when feeding is needed in the middle, the consumable is poured into the hot melting crucible for heating, and the consumable at the discharge hole cannot flow back;

2. the stirring device is arranged in the utility model, when in use, the interior of the hot melt crucible can be stirred through the two stirring blades, the heating efficiency is improved, the linkage device is arranged between the two groups of stirring devices, and the two groups of stirring devices can be driven to rotate together for stirring through the second motor;

3. in the utility model, the second rotating shaft is detachably connected with the first connecting shaft and the second connecting shaft, so that the second rotating shaft and the stirring blade are conveniently detached for cleaning, and the first connecting sleeve, the second connecting sleeve and the second rotating shaft are limited by the limiting block and the limiting groove, so that the second rotating shaft is conveniently driven to rotate by the rotation of the first connecting shaft.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a consumable heating mechanism for a 3D printer;

FIG. 2 is a schematic view of the whole structure of the utility model with the cover plate removed;

FIG. 3 is a schematic view of two sets of stirring devices according to the present utility model;

FIG. 4 is a schematic diagram showing the second rotating shaft and the first connecting shaft and the second connecting shaft in the unconnected state;

fig. 5 is a schematic structural diagram of a feeding device in the present utility model.

In the figure: 1. a hot melt crucible; 2. a feeding cylinder; 3. a first rotation shaft; 4. a helical blade; 5. a discharge port; 6. a first motor; 7. a second rotation shaft; 8. stirring blades; 9. a second motor; 10. a first gear; 11. a second gear; 12. a third gear; 13. a first connecting shaft; 14. a second connecting shaft; 15. a first connection sleeve; 16. a second connecting sleeve; 17. a limiting block; 18. a limit groove; 19. a first through hole; 20. a second through hole; 21. a mounting plane; 22. a limiting hole; 23. a heating assembly; 24. and a cover plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1:

referring to fig. 1-5, a consumable heating mechanism for a 3D printer includes a hot melt crucible 1, a feeding device and a stirring device are disposed in the hot melt crucible 1, the feeding device includes a feeding barrel 2, a first rotating shaft 3 and a helical blade 4, one end of the feeding barrel 2 is closed, the other end is provided with a discharge outlet 5, the hot melt crucible 1 is disposed above the feeding barrel 2 near the closed end, the bottom of the hot melt crucible 1 is communicated with the upper surface of the feeding barrel 2, the first rotating shaft 3 is rotatably disposed in the feeding barrel 2, the helical blade 4 is fixedly sleeved outside the first rotating shaft 3, a first motor 6 is disposed outside the hot melt crucible 1, the first rotating shaft 3 penetrates through the feeding barrel 2 and is connected with the first motor 6, the stirring device includes a second rotating shaft 7 and stirring blades 8, two ends of the second rotating shaft 7 are detachably connected with the hot melt crucible 1, the stirring blades 8 are fixedly disposed outside the second rotating shaft 7, the stirring device is provided with two groups, and a linkage device is disposed between the two groups of stirring devices. The outer wall of the hot melt crucible 1 is provided with a heating assembly 23. The top of the hot melt crucible 1 is detachably provided with a cover plate 24.

Referring to fig. 1-5, the linkage device comprises a second motor 9, a first gear 10, a second gear 11 and a third gear 12, wherein the second motor 9 is arranged at one side of the hot melting crucible 1, the first gear 10 is sleeved outside an output shaft of the second motor 9, the second gear 11 and the third gear 12 are respectively connected with two stirring devices, and the first gear 10 and the second gear 11 are meshed. When the hot melt crucible is used, the second motor 9 is started, so that the second motor 9 drives the first gear 10 to rotate, then drives the second gear 11 and one of the second rotating shafts 7 to rotate, then drives the third gear 12 and the other second rotating shaft 7 to rotate, and then drives the stirring blade 8 to rotate consumable materials in the hot melt crucible 1, and heating efficiency is improved.

Referring to fig. 1-5, two sides of the interior of the hot-melt crucible 1 are respectively rotatably provided with a first connecting shaft 13 and a second connecting shaft 14, the first connecting shaft 13 and the second connecting shaft 14 are respectively provided with a first connecting sleeve 15 and a second connecting sleeve 16, the two first connecting sleeves 15 are respectively fixedly arranged on the first connecting shaft 13 and the second connecting shaft 14, two ends of the second rotating shaft 7 are respectively arranged in the first connecting sleeve 15 and the second connecting sleeve 16, the first connecting sleeve 15, the second rotating shaft 7 and the second connecting sleeve 16 are detachably connected through bolts, and the second gear 11 and the third gear 12 are respectively sleeved on the two second connecting shafts 14. Limiting blocks 17 are arranged in the first connecting sleeve 15 and the second connecting sleeve 16, and limiting grooves 18 matched with the limiting blocks 17 are formed in two ends of the second rotating shaft 7. The limiting blocks 17 of the first connecting sleeve 15 and the second connecting sleeve 16 are respectively provided with a first through hole 19, the second rotating shaft 7 is provided with a second through hole 20 matched with the first through hole 19, and the first through hole 19 and the second through hole 20 are detachably connected through bolts. The position outside the second connecting sleeve 16 corresponding to the first through hole 19 is provided with a mounting plane 21, and the position outside the first connecting sleeve 15 corresponding to the first through hole 19 is provided with a limiting hole 22. When the rotary shaft is used, two ends of the second rotary shaft 7 are placed in the first connecting sleeve 15 on the first connecting shaft 13 and the second connecting shaft 14, the limiting grooves 18 on the second rotary shaft 7 are matched with the limiting blocks 17 on the first connecting sleeve 15, the second connecting sleeve 16 is placed at two ends of the second rotary shaft 7, the limiting blocks 17 on the second connecting sleeve 16 are matched with the limiting grooves 18 on the second rotary shaft 7, a bolt penetrates through the first through hole 19 and the second through hole 20 from the lower part of the first connecting sleeve 15, the limiting head of the bolt is positioned in the limiting hole 22, the top of the bolt is connected with the nuts in a threaded mode until the nuts are attached to the mounting planes 21 on the second connecting sleeve 16, and therefore connection fixation of the second rotary shaft 7 and the first connecting shaft 13 and the second connecting shaft 14 is achieved.

Example 2:

in summary, when in use, two ends of the second rotating shaft 7 are placed in the first connecting sleeve 15 on the first connecting shaft 13 and the second connecting shaft 14, the limiting groove 18 on the second rotating shaft 7 is matched with the limiting block 17 on the first connecting sleeve 15, the second connecting sleeve 16 is placed at two ends of the second rotating shaft 7, the limiting block 17 on the second connecting sleeve 16 is matched with the limiting groove 18 on the second rotating shaft 7, a bolt passes through the first through hole 19 and the second through hole 20 from the lower part of the first connecting sleeve 15, the limiting head of the bolt is positioned in the limiting hole 22, the top of the bolt is connected with the nut in a threaded manner until the nut is attached to the mounting plane 21 on the second connecting sleeve 16, and the connection and fixation of the second rotating shaft 7 and the first connecting shaft 13 and the second connecting shaft 14 are realized.

Example 3:

to sum up, when using, put the consumptive material in hot melt crucible 1, connect apron 24 and hot melt crucible 1, start heating element 23 heats the consumptive material in the hot melt crucible 1, after heating makes the consumptive material melt, in the process of melting, start second motor 9, make it drive first gear 10 rotate, and then drive second gear 11 and one of them second rotation axis 7 rotate, and then drive third gear 12 and another second rotation axis 7 rotate, and then drive stirring vane 8 rotate the consumptive material in the hot melt crucible 1, improve heating efficiency, after melting, start first motor 6, make it drive first rotation axis 3 rotate, and then drive spiral vane 4 rotate, realize the pay-off to the consumptive material, the print head of 3D printer and the discharge gate 5 of feed cylinder 2 are connected through the hose, the consumptive material enters into the print head from the discharge gate 5 of feed cylinder 2 and spouts and prints.

In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. Consumable heating mechanism for 3D printer, including hot melt crucible (1), its characterized in that: be equipped with material feeding unit and agitating unit in hot melt crucible (1), material feeding unit includes feed cylinder (2), first rotation axis (3) and helical blade (4), the one end of feed cylinder (2) is sealed, and the other end is equipped with discharge gate (5), hot melt crucible (1) set up in the top that feed cylinder (2) are close to the blind end, and the bottom of hot melt crucible (1) and the upper surface intercommunication of feed cylinder (2), first rotation axis (3) rotate and set up in feed cylinder (2), helical blade (4) fixed cover is established outside first rotation axis (3), hot melt crucible (1) are equipped with first motor (6) outward, first rotation axis (3) run through feed cylinder (2) and are connected with first motor (6), agitating unit includes second rotation axis (7) and stirring vane (8), the both ends of second rotation axis (7) all are connected with hot melt crucible (1) detachably, stirring vane (8) are fixed to be set up outside second rotation axis (7), agitating unit is provided with two sets of, and is equipped with the aggregate unit between two sets of agitating unit.

2. The consumable heating mechanism for a 3D printer according to claim 1, wherein: the linkage device comprises a second motor (9), a first gear (10), a second gear (11) and a third gear (12), wherein the second motor (9) is arranged on one side of the hot melting crucible (1), the first gear (10) is sleeved outside an output shaft of the second motor (9), the second gear (11) and the third gear (12) are respectively connected with two stirring devices, and the first gear (10) and the second gear (11) are meshed.

3. The consumable heating mechanism for a 3D printer according to claim 2, wherein: the inside both sides of hot melt crucible (1) rotate respectively and are equipped with first connecting axle (13) and second connecting axle (14), all be equipped with first adapter sleeve (15) and second adapter sleeve (16) on first connecting axle (13) and second connecting axle (14), two first adapter sleeve (15) are fixed respectively and are set up on first connecting axle (13) and second connecting axle (14), and the both ends of second rotation axis (7) all set up in first adapter sleeve (15) and second adapter sleeve (16), and connect through bolt detachably between first adapter sleeve (15), second rotation axis (7) and second adapter sleeve (16), second gear (11) and third gear (12) are overlapped respectively and are established on two second connecting axle (14).

4. A consumable heating mechanism for a 3D printer according to claim 3, wherein: limiting blocks (17) are arranged in the first connecting sleeve (15) and the second connecting sleeve (16), and limiting grooves (18) matched with the limiting blocks (17) are formed in two ends of the second rotating shaft (7).

5. The consumable heating mechanism for a 3D printer of claim 4, wherein: the limiting blocks (17) of the first connecting sleeve (15) and the second connecting sleeve (16) are respectively provided with a first through hole (19), the second rotating shaft (7) is provided with a second through hole (20) matched with the first through hole (19), and the first through hole (19) and the second through hole (20) are detachably connected through bolts.

6. The consumable heating mechanism for a 3D printer of claim 5, wherein: the position outside the second connecting sleeve (16) corresponding to the first through hole (19) is provided with an installation plane (21), and the position outside the first connecting sleeve (15) corresponding to the first through hole (19) is provided with a limit hole (22).

7. The consumable heating mechanism for a 3D printer according to claim 1, wherein: the outer wall of the hot melting crucible (1) is provided with a heating component (23).

8. The consumable heating mechanism for a 3D printer according to claim 1, wherein: the top of the hot melting crucible (1) is detachably provided with a cover plate (24).