CN219095913U

CN219095913U - Dual-motor wire feeding synchronization device of 3D printer

Info

Publication number: CN219095913U
Application number: CN202223554208.7U
Authority: CN
Inventors: 樊立业; 曹文佳; 张吉祥; 边瑞峰
Original assignee: Henan Suwei Electronic Technology Co ltd
Current assignee: Henan Suwei Electronic Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-30
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a double-motor wire feeding synchronization device of a 3D printer, which belongs to the field of printers and can effectively solve the problem of asynchronous consumable materials of the printer; comprises a first feeding part, a second feeding part and a buffer part arranged between the first feeding part and the second feeding part; wherein, the first feeding part and the second feeding part are respectively provided with a feeding structure; the feeding structure comprises a feeding box, a stepping motor is arranged on the feeding box, one end of the stepping motor is connected with a roller cone, one side of the roller cone is provided with a U-shaped bearing, and the U-shaped bearing is arranged on the feeding box through a pressing arm; and the second feeding part is also provided with a pressing structure, the pressing structure comprises a steering engine arranged at the lower end of the feeding box, and a cam is arranged in the steering engine. The beneficial effects are that: the utility model uses two feeding motors, and uses springs, steering gears, cams, quick connectors, tetrafluoro tubes and the like to synchronize consumable materials.

Description

Dual-motor wire feeding synchronization device of 3D printer

Technical Field

The utility model relates to a double-motor wire feeding synchronization device of a 3D printer, and belongs to the field of printer equipment.

Background

The mechanical structure of the 3D printer mainly comprises an XYZ motion part, a case main body shell and a feeding part, wherein the feeding part directly relates to the quality of a printed model, and various problems such as unsmooth filament discharge, filament shortage, faults, edge warping and the like of the model can be caused due to the problem of the feeding part. There are two reasons for influencing the filament take-off,

firstly, the type of consumptive material, the current consumptive material divide good multiple, PLA, ABS, nylon, carbon fiber etc. the type of consumptive material is different, and the resistance in the conveying pipe is also different, and smooth consumptive material resistance is little, and the not smooth consumptive material resistance of carbon fiber etc. is big.

Secondly, the length of the feeding pipe is longer as the machine is larger, and the resistance of consumable materials in the feeding pipe is larger;

in order to smoothly send out the consumable, the current method has the defect that the tension of a feeding motor is increased, for example, the wire feeding motor generates serious heat, the roller cone and the consumable are easy to slip, or the consumable is broken.

The feeding system is composed of two motors, the feeding stability of the two motors can be greatly improved, but the feeding system has the problems that one feeding speed is high, one feeding speed is low and consumable materials are asynchronous in the long-time printing process due to the fact that the driving currents of the two motors are different and the roller cones are slightly different.

Disclosure of Invention

The utility model aims to provide a double-motor wire feeding synchronization device of a 3D printer, which can effectively solve the problem of asynchronous consumable materials.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

comprises a first feeding part, a second feeding part and a buffer part arranged between the first feeding part and the second feeding part; wherein, the first feeding part and the second feeding part are respectively provided with a feeding structure; the feeding structure comprises a feeding box, a stepping motor is arranged on the feeding box, one end of the stepping motor is connected with a roller cone, one side of the roller cone is provided with a U-shaped bearing, and the U-shaped bearing is arranged on the feeding box through a pressing arm; the second feeding part is also provided with a pressing structure, the pressing structure comprises a steering engine arranged at the lower end of the feeding box, and a cam is arranged in the steering engine.

Further: the buffer part comprises a buffer base, two quick connectors are arranged on the buffer base, and a buffer spring is arranged between the quick connectors.

Further: one end of the pressing arm is provided with a rotating disc, and a rotating shaft is rotationally arranged on the rotating disc; the middle part of the pressing arm is provided with a connecting disc, a fixed shaft is arranged in the connecting disc, and the U-shaped bearing is rotationally connected with the fixed shaft.

Further: the feeding box is also provided with a fastening device, the fastening device comprises a pressing groove arranged on the pressing arm, a thread groove is further formed in the pressing groove, and one side of the feeding box is provided with a fastening groove matched with the thread groove; the thread groove penetrates through the pressing arm, a spring is arranged on the groove surface of the pressing groove, and a bolt is arranged at the other end of the spring.

The beneficial effects are as follows: according to the utility model, two feeding motors are used, and consumable materials are synchronized through springs, steering gears, cams, quick connectors, tetrafluoro tubes and the like; the first feeding part and the second feeding part are respectively controlled, when the consumable material is fed to a certain distance, if the feeding speed of the first feeding part is larger than that of the second feeding part, the consumable material is tensioned, the buffer spring of the buffer part contracts, the lower quick connector is driven to move upwards, the distance of the feeding pipe is reduced, the length of the consumable material is increased, and the purpose of consumable material synchronization is achieved.

Drawings

For ease of illustration, the utility model is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a diagram of a feed structure component of the present utility model;

FIG. 3 is a front view of the present utility model;

FIG. 4 is a front view of a wire feed state of the present utility model;

FIG. 5 is a cross-sectional view of the present utility model;

FIG. 6 is a cross-sectional view of a scraping filament state of the present utility model;

FIG. 7 is a cross-sectional view of a second feeder section of the present utility model;

fig. 8 is a second feed station face view of the present utility model.

Reference numerals illustrate:

1. a first feeding part; 2. a second feeding part; 3. a buffer section; 31. a buffer base; 32. a quick connector; 33. a buffer spring; 4. a feeding structure; 41. a feed box; 42. a stepping motor; 43. a roller cone; 44. a U-shaped bearing; 45. pressing an arm; 451. a rotating disc; 452. a connecting disc; 5. a compacting structure; 51. steering engine; 52. a cam; 6. a rotating shaft; 7. a fixed shaft; 8. a fastening device; 81. a compaction groove; 82. a thread groove; 83. a fastening groove; 84. and (5) a bolt.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Referring to figures 1-8 for an embodiment of a dual motor wire feed synchronization apparatus for a 3D printer in accordance with the present utility model,

comprises a first feeding part 1, a second feeding part 2 and a buffer part 3 arranged between the first feeding part 1 and the second feeding part 2; wherein, the first feeding part 1 and the second feeding part 2 are respectively provided with a feeding structure 4; the feeding structure 4 comprises a feeding box 41, a stepping motor 42 is arranged on the feeding box 41, one end of the stepping motor 42 is connected with a roller cone 43, one side of the roller cone 43 is provided with a U-shaped bearing 44, and the U-shaped bearing 44 is arranged on the feeding box 41 through a pressing arm 45; the second feeding part 2 is also provided with a compressing structure 5, the compressing structure 5 comprises a steering engine 51 arranged at the lower end of the feeding box 41, and a cam 52 is arranged in the steering engine 51.

The device comprises: the buffer part 3 comprises a buffer base 31, two quick connectors 32 are arranged on the buffer base 31, and a buffer spring 33 is arranged between the quick connectors 32.

The device comprises: one end of the pressing arm 45 is provided with a rotating disc 451, and the rotating disc 451 is rotatably provided with a rotating shaft 6; the middle part of the pressing arm 45 is provided with a connecting disc 452, a fixed shaft 7 is arranged in the connecting disc 452, and the U-shaped bearing 44 is rotationally connected with the fixed shaft 7.

The device comprises: the feeding box 41 is also provided with a fastening device 8, the fastening device 8 comprises a pressing groove 81 arranged on the pressing arm 45, a thread groove 82 is also arranged in the pressing groove 81, and one side of the feeding box 41 is provided with a fastening groove 83 matched with the thread groove 82; the screw groove 82 penetrates the pressing arm 45, a spring is provided on the groove surface of the pressing groove 81, and a bolt 84 is provided at the other end of the spring.

The first feeding part 1 and the second feeding part 2 are respectively controlled, when the consumable materials are fed to a certain distance, if the feeding speed of the first feeding part 1 is higher than that of the second feeding part 2, the consumable materials are tensioned, the buffer spring 33 of the buffer part 3 is contracted to drive the quick connector 32 below to move upwards, so that the distance of the feeding pipe is reduced, the length of the consumable materials is increased, and the problem of synchronization is solved.

Conversely, if the speed of the first feeding portion 1 is smaller than that of the second feeding portion 2, so that the consumable is too long, the buffer spring 33 of the buffer portion 3 is stretched to drive the quick connector 32 below to move downwards, thereby increasing the length of the feeding tube and achieving the synchronization problem. The consumable length that the buffer part can synchronize is about 2 cm.

The action of second pay-off portion 2, with first pay-off portion 1 together, send the shower nozzle to the consumptive material, after buffer portion 3 surpasses the limit, the action, when the pay-off reaches a distance, when not exceeding the maximum value of buffer portion 3, the steering wheel rotation 180 degrees of program control second pay-off portion 2, drive cam 52 rotation, push up arm 45, drive U type bearing 44 break away from the contact with the consumptive material, the consumptive material is the free state in second pay-off portion 2, the consumptive material is under the pulling force of first pay-off portion 1, the pulling force or the pressure of buffer portion 3 fully release, carry out the next circulation again.

The above embodiments are merely illustrative embodiments of the present utility model, but the technical features of the present utility model are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present utility model are included in the scope of the present utility model.

Claims

1. A3D printer bi-motor send silk synchronizer, its characterized in that: comprises a first feeding part (1), a second feeding part (2) and a buffer part (3) arranged between the first feeding part (1) and the second feeding part (2); wherein, the first feeding part (1) and the second feeding part (2) are respectively provided with a feeding structure (4); the feeding structure (4) comprises a feeding box (41), a stepping motor (42) is arranged on the feeding box (41), one end of the stepping motor (42) is connected with a roller cone (43), one side of the roller cone (43) is provided with a U-shaped bearing (44), and the U-shaped bearing (44) is arranged on the feeding box (41) through a pressing arm (45); the second feeding part (2) is also provided with a pressing structure (5), the pressing structure (5) comprises a steering engine (51) arranged at the lower end of the feeding box (41), and a cam (52) is arranged in the steering engine (51).

2. The dual motor wire feed synchronizing device of a 3D printer of claim 1, wherein: the buffer part (3) comprises a buffer base (31), two quick connectors (32) are arranged on the buffer base (31), and buffer springs (33) are arranged between the quick connectors (32).

3. The dual motor wire feed synchronizing device of a 3D printer of claim 2, wherein: one end of the pressing arm (45) is provided with a rotating disc (451), and a rotating shaft (6) is rotatably arranged on the rotating disc (451); the middle part of the pressing arm (45) is provided with a connecting disc (452), a fixed shaft (7) is arranged in the connecting disc (452), and the U-shaped bearing (44) is rotationally connected with the fixed shaft (7).

4. A 3D printer dual motor wire feed synchronizing device according to claim 3, wherein: the feeding box (41) is also provided with a fastening device (8), the fastening device (8) comprises a pressing groove (81) arranged on the pressing arm (45), the pressing groove (81) is also provided with a thread groove (82), and one side of the feeding box (41) is provided with a fastening groove (83) matched with the thread groove (82); the thread groove (82) penetrates through the pressing arm (45), a spring is arranged on the groove surface of the pressing groove (81), and a bolt (84) is arranged at the other end of the spring.