阅读说明：本技术 一种喷射头能振动的3d打印装置 (3D printing device with ejection head capable of vibrating ) 是由 曹岩 黄亮 党云鹏 于 2020-10-28 设计创作，主要内容包括：本发明公开了一种喷射头能振动的3D打印装置,包括：输送机构,所述输送机构可拆卸设置于3D打印机的三维移动机构上；振动机构,所述振动机构可拆卸设置于输送机构的底部；散热片,所述散热片可拆卸设置于振动机构的底部；加热铝块,所述加热铝块可拆卸设置于散热片的底部；喷射头,所述喷射头可拆卸设置于加热铝块的底部。本发明能对粉粒振动,避免粉粒阻塞、下料松散,防止打印成型时产品出现缺失,保证产品质量,大大的满足了3D打印成型的需求。(The invention discloses a 3D printing device with a vibrating ejection head, which comprises: the conveying mechanism is detachably arranged on a three-dimensional moving mechanism of the 3D printer; the vibration mechanism is detachably arranged at the bottom of the conveying mechanism; the radiating fin is detachably arranged at the bottom of the vibrating mechanism; the heating aluminum block is detachably arranged at the bottom of the radiating fin; the injection head, the injection head can dismantle the bottom that sets up in the heating aluminium piece. The invention can vibrate the powder particles, avoid the powder particles from being blocked and loose during feeding, prevent the product from being lost during printing and forming, ensure the product quality and greatly meet the requirements of 3D printing and forming.)

1. A 3D printing device with a vibratable ejection head, comprising:

the conveying mechanism (2) is detachably arranged on a three-dimensional moving mechanism of the 3D printer;

the vibration mechanism (3), the vibration mechanism (3) is detachably arranged at the bottom of the conveying mechanism (2);

the radiating fin (4), the said radiating fin (4) is set up in the bottom of the vibrating mechanism (3) removably;

the heating aluminum block (5), the heating aluminum block (5) is detachably arranged at the bottom of the radiating fin (4);

the injection head (6), injection head (6) can dismantle the bottom that sets up in heating aluminium piece (5).

2. A head-vibratable 3D printing device as claimed in claim 1, wherein: the conveying mechanism (2) comprises:

the shell (21) is detachably arranged on a three-dimensional moving mechanism of the 3D printer, and the top of the right side wall of the shell (21) is connected with a material guide pipe of the 3D printer;

the first motor (22), the said first motor (22) is screwed to the top centre position of the outer cover (21);

the screw conveying rod (23), screw conveying rod (23) can dismantle the output that sets up in first motor (22), and screw conveying rod (23) are located shell (21) inner chamber.

3. A head-vibratable 3D printing device as claimed in claim 1, wherein: the vibration mechanism (3) includes:

the material guide cylinder (31) is detachably arranged at the bottom of the shell (21), and the bottom of the material guide cylinder (31) is detachably connected with the top of the radiating fin (4);

the sleeve (32) is fixedly connected to the middle of the right side wall of the material guide cylinder (31), and the inner wall of the sleeve (32) is provided with slideways (33) along the circumferential direction;

the mounting plate (34), the said mounting plate (34) is set up in the right end of the bush (32) removably;

the second motor (35), the said second motor (35) is screwed to the right end of front side of the mounting plate (34);

one end of the crankshaft (36) is locked with the output end of the second motor (35) through a coupler, and the other end of the crankshaft (36) is rotatably connected with the rear side of the inner cavity of the mounting plate (34) through a bearing;

the push-pull rod (37), the said push-pull rod (37) is inserted in the cavity of the bush (32);

the sliding blocks (38) are arranged on the outer wall of the push-pull rod (37) along the circumferential direction, and the sliding blocks (38) are inserted into the inner cavity of the slide way (33);

one end of the connecting rod (39) is sleeved on the outer wall of the crankshaft (36), and the other end of the connecting rod (39) is rotatably connected with the right end of the push-pull rod (37) through a pin shaft;

the vibrating block (310) is detachably arranged at the left end of the push-pull rod (37), the vibrating block (310) is located in the inner cavity of the guide cylinder (31), and the vibrating block (310) extends to the inner cavity of the radiating fin (4).

4. A head-vibratable 3D printing device as claimed in claim 3, wherein: the quantity of slide (33) is four, and four slides (33) are according to clockwise every 90 degrees distribution in the inner wall of sleeve (32).

5. A head-vibratable 3D printing device as claimed in claim 3, wherein: the top of the vibrating block (310) is conical.

Technical Field

The invention relates to the technical field of 3D printing, in particular to a 3D printing device with an ejection head capable of vibrating.

Background

3D printing, which is one of the rapid prototyping technologies, is also called additive manufacturing, which is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like, and by printing layer by layer, based on a digital model file. 3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction (AEC), automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields;

the 3D printer is various, and the powder printer is one kind of 3D printer, and is leading in printing the shaping. In 3D printing, since the particle conveying channel is narrow, the ejection head cannot vibrate, the problems of blocking and loose blanking are likely to occur, the product formed by printing has malformation, and the quality is difficult to ensure, so that a 3D printing device with an ejection head capable of vibrating is necessary.

Disclosure of Invention

The invention aims to provide a 3D printing device with a vibrating ejection head, which at least solves the problems that the ejection head in the prior art cannot vibrate, powder blanking is difficult to cause and the processing quality of products is influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a head-vibratable D-printing device, comprising:

the conveying mechanism is detachably arranged on a three-dimensional moving mechanism of the 3D printer;

the vibration mechanism is detachably arranged at the bottom of the conveying mechanism;

the radiating fin is detachably arranged at the bottom of the vibrating mechanism;

the heating aluminum block is detachably arranged at the bottom of the radiating fin;

the injection head, the injection head can dismantle the bottom that sets up in the heating aluminium piece.

Preferably, the conveying mechanism includes: the shell is detachably arranged on a three-dimensional moving mechanism of the 3D printer, and the top of the right side wall of the shell is connected with a material guide pipe of the 3D printer; the first motor is connected to the top center of the shell through a screw; the spiral conveying rod is detachably arranged at the output end of the first motor and is positioned in the inner cavity of the shell.

Preferably, the vibration mechanism includes: the guide cylinder is detachably arranged at the bottom of the shell, and the bottom of the guide cylinder is detachably connected with the top of the radiating fin; the sleeve is fixedly connected to the middle part of the right side wall of the material guide cylinder, and the inner wall of the sleeve is provided with slideways along the circumferential direction; the mounting plate is detachably arranged at the right end of the sleeve; the second motor is connected to the right end of the front side of the mounting plate through a screw; one end of the crankshaft is locked with the output end of the second motor through a coupler, and the other end of the crankshaft is rotatably connected with the rear side of the inner cavity of the mounting plate through a bearing; the push-pull rod is inserted into the inner cavity of the sleeve; the sliding blocks are arranged on the outer wall of the push-pull rod along the circumferential direction and are inserted into the inner cavity of the slide way; one end of the connecting rod is sleeved on the outer wall of the crankshaft, and the other end of the connecting rod is rotatably connected with the right end of the push-pull rod through a pin shaft; the vibrating block is detachably arranged at the left end of the push-pull rod, is positioned in the inner cavity of the guide cylinder and extends to the inner cavity of the radiating fin.

Preferably, the number of the slide ways is four, and the four slide ways are distributed on the inner wall of the sleeve at intervals of 90 degrees clockwise.

Preferably, the top of the vibrating block is conical.

The 3D printing device with the ejection head capable of vibrating has the advantages that:

the feeding mechanism can uniformly feed powder and granular materials, control the feeding amount, and enable the vibrating block to vibrate left and right in the conveying process, so that particles are prevented from being blocked in the guide cylinder and the radiating fin, and after the aluminum block is heated by heating, the jetting head is used for jetting and forming.

Drawings

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

FIG. 2 is a front cross-sectional view of FIG. 1;

fig. 3 is a right side sectional view of the mounting plate of fig. 2.

In the figure: 2. the device comprises a conveying mechanism 21, a shell 22, a first motor 23, a spiral conveying rod 3, a vibrating mechanism 31, a guide cylinder 32, a sleeve 33, a slide way 34, a mounting plate 35, a second motor 36, a crankshaft 37, a push-pull rod 38, a sliding block 39, a connecting rod 310, a vibrating block 4, a radiating fin 5, a heating aluminum block 6 and an injector head.

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. 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a 3D printing device that injector head can vibrate, including conveying mechanism 2, vibration mechanism 3, fin 4, heating aluminium piece 5 and injector head 6, conveying mechanism 2 can be dismantled and set up on the three-dimensional moving mechanism of 3D printer, vibration mechanism 3 can be dismantled and set up in conveying mechanism 2's bottom, fin 4 can be dismantled and set up in vibration mechanism 3's bottom, fin 4 has great surface area, can dispel the heat to heating aluminium piece 5, heating aluminium piece 5 can be dismantled and set up in the bottom of fin 4, heating aluminium piece 5 is used for the powder heating melting, injector head 6 can be dismantled and set up in the bottom of heating aluminium piece 5, realize the liquid jet shaping through injector head 6.

As a preferred scheme, furthermore, the conveying mechanism 2 includes a housing 21, a first motor 22 and a spiral conveying rod 23, the housing 21 is detachably disposed on the three-dimensional moving mechanism of the 3D printer, the top of the right side wall of the housing 21 is connected with a material guiding pipe of the 3D printer, the first motor 22 is screwed to the top center of the housing 21, the spiral conveying rod 23 is driven by the first motor 22 to rotate clockwise, the spiral conveying rod 23 is detachably disposed at the output end of the first motor 22, the spiral conveying rod 23 is located in the inner cavity of the housing 21, and the spiral conveying rod 23 is used for downward movement of the powder particles in the housing 21.

Preferably, the vibration mechanism 3 includes a material guiding cylinder 31, a sleeve 32, a slide rail 33, a mounting plate 34, a second motor 35, a crankshaft 36, a push-pull rod 37, a slider 38, a connecting rod 39 and a vibrating mass 310, the material guiding cylinder 31 is detachably disposed at the bottom of the housing 21, the bottom of the material guiding cylinder 31 is detachably connected to the top of the heat sink 4, the sleeve 32 is fixedly connected to the middle portion of the right side wall of the material guiding cylinder 31, the slide rail 33 is circumferentially disposed on the inner wall of the sleeve 32, the push-pull rod 37 is limited by the slide rail 33 and the slider 38, so as to ensure that the push-pull rod 37 can horizontally move left and right, the mounting plate 34 is detachably disposed at the right end of the sleeve 32, the second motor 35 is screwed to the right end of the mounting plate 34, the second motor 35 is configured to drive the crankshaft 36 to rotate clockwise, one end of the crankshaft 36 is locked to the output end of the second motor 35, and, the right end of the connecting rod 39 is driven by the crankshaft 36 to do clockwise circular motion, the push-pull rod 37 is inserted into the inner cavity of the sleeve 32, the plurality of sliding blocks 38 are arranged on the outer wall of the push-pull rod 37 along the circumferential direction, the sliding blocks 38 are inserted into the inner cavity of the slide rail 33, one end of the connecting rod 39 is sleeved on the outer wall of the crankshaft 36, the other end of the connecting rod 39 is rotatably connected with the right end of the push-pull rod 37 through a pin shaft, the vibrating block 310 is detachably arranged at the left end of the push-pull rod 37, the vibrating block 310 is located in the inner cavity of the guide cylinder 31, particle blockage can be prevented through vibration of the vibrating block 310 in the guide cylinder 31 and the radiating fins 4, particle density is ensured.

Preferably, the number of the slide ways 33 is four, and the four slide ways 33 are distributed on the inner wall of the sleeve 32 at intervals of 90 degrees clockwise, so that the push-pull rod 37 can be limited from four directions, and the stability of the push-pull rod 37 is further improved.

Preferably, the top of the vibrating mass 310 is conical, so that the vibrating mass 310 has a certain guiding function, and the powder particles can be conveniently introduced into the guiding cylinder 31 from the outer shell 21.

The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.

When the device is used, powder particles are introduced into the shell 21 through the material guide pipe, the first motor 22 drives the spiral conveying rod 23 to rotate clockwise, the spiral conveying rod 23 enables the powder particles to move downwards at a uniform speed in the shell 21, the powder particles quantitatively enter the material guide cylinder 31, the second motor 35 drives the crankshaft 36 to rotate clockwise, the right end of the connecting rod 39 makes clockwise circular motion, the other end of the connecting rod 39 drives the push-pull rod 37 to move left and right in a reciprocating mode, the sliding block 38 slides left and right along the inner cavity of the slideway 33, the push-pull rod 37 drives the vibrating block 310 to vibrate left and right in a reciprocating mode, the inner cavities of the material guide cylinder 31 and the radiating fins 4 are kept smooth, powder particle blockage is avoided, the powder particle density is not changed, the aluminum block 5 is heated to heat the powder particles, the powder particles are melted, liquid is sprayed out through the spray head 6, and product printing forming can be achieved, and therefore, guarantee that injector head 6 can stably spray, and then improve product processingquality, more be applicable to the product and print the shaping and use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.