CN216230791U

CN216230791U - Three-extrusion feeding device of 3D printer

Info

Publication number: CN216230791U
Application number: CN202122809957.9U
Authority: CN
Inventors: 梁欢; 严高原
Original assignee: Shenzhen Dakun 3d Technology Co ltd
Current assignee: Shenzhen Dakun 3d Technology Co ltd
Priority date: 2021-11-17
Filing date: 2021-11-17
Publication date: 2022-04-08
Anticipated expiration: 2031-11-17

Abstract

The utility model discloses a three-extrusion feeding device of a 3D printer, which comprises a second extrusion motor for feeding the 3D printer, wherein a fixed frame is arranged at the front end of the second extrusion motor, two first extrusion motors are arranged at two sides of the second extrusion motor, two first extruders and a second extruder are arranged at the front side of the fixed frame, the two first extruders are positioned at two sides of the second extruder, and two first material guide pipes and two second material guide pipes are arranged at the front side of the fixed frame and positioned below the first extruder and the second extruder. According to the utility model, three strands of 3D printing wires are simultaneously extruded by the two first supply seats and the second supply seat and are sent out through the nozzle with the caliber of 2-3mm at the lower end of the spray head, so that the efficiency of 3D printing products can be greatly improved, and the speed of printing the same type of products is 5-6 times that of a 3D printer of the same grade.

Description

Three-extrusion feeding device of 3D printer

Technical Field

The utility model relates to the field of 3D printers, in particular to a three-extrusion feeding device of a 3D printer.

Background

3D printing (3DP), one of the rapid prototyping technologies, also known as additive manufacturing, is a technology that constructs an object by using an adhesive material, such as powdered metal or plastic, on the basis of a digital model file and by printing layer by layer; current 3D printer is when printing the feeding, generally all adopts the mode of single strand material feeding to print, and the mode of this kind of single strand feeding makes whole printing speed slower to reduce the efficiency that 3D printer printed the entity.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a three-extrusion feeding device of a 3D printer to solve the problems.

The utility model realizes the purpose through the following technical scheme:

feeding device is extruded to 3D printer third, including the second extrusion motor that is used for the feeding of 3D printer, the mount setting is in the second extrusion motor front end, two first extrusion motor settings are in second extrusion motor both sides, two first extruders and second extruder all set up the mount front side, two first extruders are located the second extruder both sides, two first passage and second passage setting are in the mount front side just is located first extruder with the below of second extruder, two first passage is located second passage both sides, the shower nozzle sets up first passage with the lower extreme of second passage removes the seat and sets up the mount rear end just is located first extrusion motor with the second extrusion motor downside, the lead screw runs through remove the both ends of seat.

Preferably: the first extruding motor is connected with the fixing frame through bolts, the second extruding motor is connected with the fixing frame through bolts, the first extruding machine is connected with the fixing frame through bolts, and the second extruding machine is connected with the fixing frame through bolts.

So set up, utilize first extrusion motor drives its front side first extruder carries out the both sides feed, utilizes simultaneously second extrusion motor drives the feed in the middle of the second extruder of its front side to realize that the 3D printer carries out three ply feeds.

Preferably: the upper end of the first material guide pipe is arranged on the lower side of the first extruder, and the upper end of the second material guide pipe is arranged on the lower side of the second extruder.

According to the arrangement, the two first material guide pipes are used for connecting the two first extruders with two sides of the upper end of the spray head, and the second material guide pipes are used for connecting the second extruders with the middle position of the upper end of the spray head.

Preferably: the upper end of the spray head is provided with three planes, each plane is provided with a concave hole, and the lower end of the spray head is provided with a nozzle with the caliber of 2-3 mm.

So set up, utilize three concave type holes of the upper end of the said shower nozzle to connect two said first extruders and said second extruder.

Preferably: the lower ends of the two first material guide pipes are arranged in concave holes on two sides of the upper end of the spray head, and the lower end of the second extruder is arranged in a concave hole in the middle of the spray head.

So configured, two of the first and second extruders are utilized to simultaneously feed three 3D printing filaments into the jet.

Preferably: the movable seat is connected with the fixed frame through a bolt, and the screw rod is connected with the movable seat through threads.

According to the arrangement, other components are fixed by the movable seat and the fixed frame, and the movable seat is supported by the lead screw.

Compared with the prior art, the utility model has the following beneficial effects: three strands of 3D printing wires are extruded simultaneously by utilizing the two first supply seats and the second supply seat, and are sent out through a nozzle with the caliber of 2-3mm at the lower end of the spray head, so that the efficiency of 3D printing products can be greatly improved, and the speed of printing the same type of products is 5-6 times that of a 3D printer in the same level.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a three-extrusion feeding device of a 3D printer according to the present invention;

FIG. 2 is a front view of a three-extrusion feed device of the 3D printer of the present invention;

FIG. 3 is a right side view of a three-extrusion feed device of the 3D printer of the present invention;

FIG. 4 is a partial part view of a first extruder of a three-extrusion feeding device of the 3D printer according to the utility model;

FIG. 5 is a partial part view of a moving seat of a three-extrusion feeding device of the 3D printer according to the present invention;

FIG. 6 is a partial part view of a nozzle of a three-extrusion feeding device of a 3D printer according to the utility model.

The reference numerals are explained below:

1. a first extrusion motor; 2. a fixed mount; 3. a first extruder; 4. a second extrusion motor; 5. a second extruder; 6. a first material guide pipe; 7. a second material guide pipe; 8. a spray head; 9. a lead screw; 10. and a movable seat.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The utility model will be further described with reference to the accompanying drawings in which:

examples

As shown in fig. 1, 2, 3, 4, 5 and 6, a three-extrusion feeding device of a 3D printer comprises a second extrusion motor 4 for feeding the 3D printer, a fixing frame 2 is arranged at the front end of the second extrusion motor 4, two first extrusion motors 1 are arranged at two sides of the second extrusion motor 4, two first extruders 3 and two second extruders 5 are arranged at the front side of the fixing frame 2, two first extruders 3 are arranged at two sides of the second extruder 5, two first material guiding pipes 6 and two second material guiding pipes 7 are arranged at the front side of the fixing frame 2 and are arranged below the first extruders 3 and the second extruder 5, two first material guiding pipes 6 are arranged at two sides of the second material guiding pipes 7, a spray head 8 is arranged at the lower ends of the first material guiding pipes 6 and the second material guiding pipes 7, a moving seat 10 is arranged at the rear end of the fixing frame 2 and is arranged at the lower sides of the first extrusion motors 1 and the second extrusion motors 4, the screw rod 9 penetrates through two ends of the movable seat 10; the first extrusion motor 1 is connected with the fixed frame 2 through a bolt, the second extrusion motor 4 is connected with the fixed frame 2 through a bolt, the first extruder 3 is connected with the fixed frame 2 through a bolt, the second extruder 5 is connected with the fixed frame 2 through a bolt, the first extrusion motor 1 is used for driving the first extruder 3 at the front side of the first extrusion motor to perform two-side feeding, meanwhile, the second extrusion motor 4 is used for driving the second extruder 5 at the front side of the second extrusion motor to perform middle feeding, and therefore three-strand feeding of a 3D printer is achieved; the upper ends of the two first material guide pipes 6 are respectively arranged at the lower ends of the two first extruders 3, the upper end of the second extruder 5 is arranged at the lower end of the second extruder 5, the two first extruders 3 are connected with two sides of the upper end of the spray head 8 by using the two first material guide pipes 6, and the second extruder 5 is connected with the middle position of the upper end of the spray head 8 by using the second material guide pipe 7; the upper end of the spray head 8 is provided with three planes, each plane is provided with a concave hole, the lower end of the spray head 8 is provided with a spout with the caliber of 2-3mm, and the three concave holes at the upper end of the spray head 8 are used for connecting the two first extruders 3 and the second extruder 5; the lower ends of the two first material guide pipes 6 are arranged in concave holes at two sides of the upper end of the spray head 8, the lower end of the second extruder 5 is arranged in a concave hole at the middle position of the spray head 8, and the two first extruders 3 and the second extruder 5 are used for feeding three strands of 3D printing wires into the spray head 8 at the same time; the movable base 10 is connected with the fixed frame 2 through a bolt, the screw rod 9 is connected with the movable base 10 through a thread, other components are fixed by the movable base 10 and the fixed frame 2, and the movable base 10 is supported by the screw rod 9.

The working principle is as follows: when using, utilize two first extruders 3 and the second extruder 5 of 2 rear sides of mount to drive two first extruders 3 and second extruder 5 respectively and move, will three strands of 3D print the silk through two first extruders 3 and second extruder 5 and feed into two first passage 6 and second passage 7, through two first passage 6 and second passage 7 with three strands of 3D print the silk leading-in to shower nozzle 8, thereby will three strands of 3D print the silk and converge one strand and export from the 2-3 mm's of shower nozzle 8 lower extreme spout, accomplish the three strands of feeding of 3D printer then.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

Three extrusion feed arrangement of 3D printer, its characterized in that: including second extrusion motor (4) that is used for the feeding of 3D printer, mount (2) set up second extrusion motor (4) front end, two first extrusion motor (1) set up second extrusion motor (4) both sides, and two first extruders (3) and second extruder (5) all set up mount (2) front side, two first extruder (3) are located second extruder (5) both sides, and two first passage (6) and second passage (7) set up mount (2) front side and be located first extruder (3) with the below of second extruder (5), two first passage (6) are located second passage (7) both sides, shower nozzle (8) set up first passage (6) with the lower extreme of second passage (7), remove seat (10) and set up mount (2) rear end and be located first extrusion motor (1) and institute And a screw rod (9) penetrates through two ends of the movable seat (10) at the lower side of the second extruding motor (4).
2. The three-extrusion feeding device of the 3D printer according to claim 1, wherein: the first extruding motor (1) is connected with the fixed frame (2) through bolts, the second extruding motor (4) is connected with the fixed frame (2) through bolts, the first extruding machine (3) is connected with the fixed frame (2) through bolts, and the second extruding machine (5) is connected with the fixed frame (2) through bolts.
3. The three-extrusion feeding device of the 3D printer according to claim 1, wherein: the upper end of the first material guide pipe (6) is arranged on the lower side of the first extruder (3), and the upper end of the second material guide pipe (7) is arranged on the lower side of the second extruder (5).
4. The three-extrusion feeding device of the 3D printer according to claim 1, wherein: the upper end of the spray head (8) is provided with three planes, each plane is provided with a concave hole, and the lower end of the spray head (8) is provided with a spout with the diameter of 2-3 mm.
5. The three-extrusion feeding device of the 3D printer according to claim 1, wherein: the lower ends of the two first material guide pipes (6) are arranged in concave holes on two sides of the upper end of the spray head (8), and the lower end of the second extruder (5) is arranged in a concave hole in the middle of the spray head (8).
6. The three-extrusion feeding device of the 3D printer according to claim 1, wherein: the movable seat (10) is connected with the fixed frame (2) through bolts, and the lead screw (9) is connected with the movable seat (10) through threads.