阅读说明：本技术 一种汽车3d打印多材料挤出装置 (Car 3D prints many materials extrusion device ) 是由 殷俊捷 于 2019-12-16 设计创作，主要内容包括：本发明公开了一种汽车3D打印多材料挤出装置,包括分缸体和总缸体,所述分缸体上侧的缸盖安装有第一液压缸,所述分缸体下侧传动连接有第一活塞,所述分缸体下侧安装有第一挤出头,所述第一挤出头一端设置第一喷嘴,所述第一挤出头上部一侧连接有输料通道,且输料通道一端与总缸体的第二进料口连通,所述总缸体底部一侧安装有第二挤出头,所述第二挤出头一端安装有第二喷嘴,所述总缸体内底安装有搅拌器,所述分缸体设置有多个,所述第一活塞与缸盖之间安装有伸缩杆,本发明汽车3D打印多材料挤出装置,通过设有的多个分缸体和总缸体,能够实现多材料单独挤出或多材料混合挤出的使用效果,满足不同打印的挤出需求。(The invention discloses an automobile 3D printing multi-material extrusion device, which comprises a sub-cylinder body and a main cylinder body, wherein a cylinder cover on the upper side of the sub-cylinder body is provided with a first hydraulic cylinder, the lower side of the sub-cylinder body is in transmission connection with a first piston, the lower side of the sub-cylinder body is provided with a first extrusion head, one end of the first extrusion head is provided with a first nozzle, one side of the upper part of the first extrusion head is connected with a material conveying channel, one end of the material conveying channel is communicated with a second feed inlet of the main cylinder body, one side of the bottom of the main cylinder body is provided with a second extrusion head, one end of the second extrusion head is provided with a second nozzle, the inner bottom of the main cylinder body is provided with a stirrer, the sub-cylinder bodies are provided with a plurality of telescopic rods, and the plurality of sub-cylinder bodies and the main cylinder body are provided with a plurality of sub-cylinder bodies and a main cylinder body, so that the using effect of single extrusion or, the extrusion requirements of different printing are met.)

1. The utility model provides a car 3D prints many materials extrusion device, includes branch cylinder body (1) and total cylinder body (3), its characterized in that: divide cylinder body (1) upside to install first pneumatic cylinder (21), divide cylinder body (1) downside transmission to be connected with first piston (4), divide cylinder body (1) downside to install first extrusion head (7), first extrusion head (7) one end sets up first nozzle (8), first extrusion head (7) upper portion one side is connected with defeated material passageway (9), and second feed inlet (12) the intercommunication of defeated material passageway (9) one end and total cylinder body (3), total cylinder body (3) bottom one side is installed the second and is extruded head (15), the second is extruded head (15) one end and is installed second nozzle (16), the agitator is installed to total cylinder body (3) inner bottom, divide cylinder body (1) to be provided with a plurality ofly.

2. The automotive 3D printing multi-material extrusion device according to claim 1, wherein: divide cylinder body (1) one side to seted up first feed inlet (17), and first valve is installed in first feed inlet (17).

3. The automotive 3D printing multi-material extrusion device according to claim 1, wherein: and a second hydraulic cylinder (13) is installed at the top of the main cylinder body (3), and a second piston (14) is connected to the lower side of the second hydraulic cylinder (13) in a transmission manner.

4. The automotive 3D printing multi-material extrusion device according to claim 1, wherein: the agitator is including setting up motor (18) in total cylinder body (3) bottom, stirring pivot (19) are installed to motor (18) upside, stirring vane (20) are installed to stirring pivot (19) one end.

5. The automotive 3D printing multi-material extrusion device according to claim 4, wherein: the stirring blades (20) are arranged in a V shape, and the stirring blades (20) are arranged in parallel with the bottom in the main cylinder body (3).

6. The automotive 3D printing multi-material extrusion device according to claim 1, wherein: and a second valve (11) is arranged on the first extrusion head (7), and a third valve (10) is arranged on the material conveying channel (9).

7. The automotive 3D printing multi-material extrusion device according to claim 1, wherein: the number of the cylinder bodies (1) is 2-4.

Technical Field

The invention relates to the technical field of 3D printing extrusion, in particular to an automobile 3D printing multi-material extrusion device.

Background

3D printing (3 DP), one of the rapid prototyping technologies, is a technology that constructs an object by printing layer by layer using an adhesive material such as powdered metal or plastic 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. 3D printer has widely been applied to in the industrial production, provides a lot of facilities for industrial production, and common 3D printer uses thermoplastic materials such as PLA, ABS to print mostly, but prints as required using the plastic material of similar sculpture mud in some professional fields, and traditional extrusion device just can't adapt to this moment.

Disclosure of Invention

The invention aims to provide an automobile 3D printing multi-material extrusion device, which solves the problems that in the prior art, multi-material cannot be extruded simultaneously, the extrusion use efficiency is reduced, and multiple extrusion modes cannot be switched.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a car 3D prints many materials extrusion device, includes branch cylinder body and total cylinder body, divide the cylinder cap of cylinder body upside to install first pneumatic cylinder, divide the transmission of cylinder body downside to be connected with first piston, divide the cylinder body downside to install first head of extruding, first one end of extruding sets up first nozzle, first upper portion one side of extruding is connected with defeated material passageway, and the second feed inlet intercommunication of defeated material passageway one end and total cylinder body, total cylinder body bottom one side is installed the second and is extruded the head, the second is extruded first one end and is installed the second nozzle, the agitator is installed at the bottom of total cylinder body, divide the cylinder body to be provided with a plurality ofly, install the telescopic link between first piston and the cylinder cap.

Preferably, a first feeding hole is formed in one side of the cylinder body, and a first valve is installed at the first feeding hole.

Preferably, a second hydraulic cylinder is installed at the top of the main cylinder body, a second piston is connected to the lower side of the second hydraulic cylinder in a transmission mode, and sealing rings are installed on the outer sides of the first piston and the second piston.

Preferably, the agitator is including setting up the motor in total cylinder bottom, the stirring pivot is installed to the motor upside, stirring vane is installed to stirring pivot one end.

Preferably, the stirring blades are arranged in a V shape, and the stirring blades are arranged in parallel with the bottom in the main cylinder body.

Preferably, the first extrusion head is provided with a second valve, and the material conveying channel is provided with a third valve.

Preferably, the number of the cylinder bodies is 2-4.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the plurality of sub-cylinder bodies and the main cylinder body are arranged and are communicated through the material conveying channel, so that the using effect of simultaneously and independently extruding multiple materials or extruding multiple materials in a mixed manner can be realized, the extruding requirements of different printing can be met, and various extruding modes can be adjusted.

2. According to the invention, the stirrer is arranged at the bottom in the main cylinder body, the stirrer comprises the motor arranged at the bottom of the main cylinder body, the stirring rotating shaft is arranged on the upper side of the motor, and the stirring blade is arranged at one end of the stirring rotating shaft, so that the stirring treatment can be carried out on the bottom in the main cylinder body, and the uniform mixing treatment can be conveniently carried out on various materials.

3. According to the invention, the second valve is arranged on the first extrusion head, and the third valve is arranged on the material conveying channel, so that the opening and closing of the first extrusion head and the material conveying channel can be conveniently controlled respectively, and the single extrusion or the multi-material mixing extrusion can be adjusted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a top view of the overall structure of the present invention;

fig. 3 is an enlarged view of the structure at a point a of the present invention.

In the figure: 1. dividing the cylinder body; 2. a cylinder cover; 3. a master cylinder body; 4. a first piston; 5. a seal ring; 6. a telescopic rod; 7. a first extrusion head; 8. a first nozzle; 9. a material conveying channel; 10. a third valve; 11. a second valve; 12. a second feed port; 13. a second hydraulic cylinder; 14. a second piston; 15. a second extrusion head; 16. a second nozzle; 17. a first feed port; 18. a motor; 19. a stirring rotating shaft; 20. a stirring blade; 21. a first hydraulic cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1, 2 and 3, in an embodiment of the present invention, an automotive 3D printing multi-material extrusion apparatus includes a sub-cylinder 1 and a main cylinder 3, a cylinder cover 2 on an upper side of the sub-cylinder 1 is provided with a first hydraulic cylinder 21 for providing power for downward extrusion of the sub-cylinder 1 and facilitating control, a first piston 4 is connected to a lower side of the sub-cylinder 1 in a transmission manner, a first extrusion head 7 is installed on a lower side of the sub-cylinder 1, a first nozzle 8 is disposed at one end of the first extrusion head 7, a material is extruded from the first nozzle 8 by downward compression of the first piston 4, a feeding channel 9 is connected to one side of an upper portion of the first extrusion head 7, one end of the feeding channel 9 is communicated with a second feeding port 12 of the main cylinder 3, a second extrusion head 15 is installed on one side of a bottom of the main cylinder 3, a second nozzle 16 is installed at one end of the second extrusion head 15, so as to facilitate extrusion processing of, the agitator is installed to 3 inner bottoms of total cylinder body, can stir the processing to 3 inner bottoms of total cylinder body, be convenient for carry out homogeneous mixing to multiple material and handle, divide cylinder body 1 to be provided with a plurality ofly, install telescopic link 6 between first piston 4 and the cylinder cap 2, can realize that many materials extrude alone or the result of use that many materials mix and extrude, satisfy the demand of extruding of difference printing, and the PLC switch board is installed to equipment one side, and the control end of each equipment all with PLC switch board electric connection, be convenient for carry out whole regulation and control.

Preferably, a first feeding hole 17 is formed in one side of the cylinder body 1, and a first valve is installed on the first feeding hole 17, so that the opening and closing of the first feeding hole 17 can be controlled conveniently to add materials.

Preferably, the second hydraulic cylinder 13 is installed at the top of the total cylinder body 3, the second piston 14 is connected to the lower side of the second hydraulic cylinder 13 in a transmission manner, the sealing rings 5 are installed on the outer sides of the first piston 4 and the second piston 14, and the total cylinder body 3 is used for providing power for downward extrusion of the total cylinder body 3 and is convenient to control.

Preferably, the stirrer comprises a motor 18 arranged at the bottom of the main cylinder 3, the motor 18 is a speed reduction motor, a stirring rotating shaft 19 is installed on the upper side of the motor 18, a stirring blade 20 is installed at one end of the stirring rotating shaft 19, and the motor 18 drives the stirring blade 20 to rotate at a high speed to uniformly mix the raw material at the bottom in the main cylinder 3.

Preferably, the stirring blade 20 is arranged in a V shape, and the stirring blade 20 is arranged in parallel with the bottom in the main cylinder 3, so that the comprehensive stirring and mixing treatment of the bottom in the main cylinder 3 is facilitated.

Preferably, the first extrusion head 7 is provided with a second valve 11, and the material conveying channel 9 is provided with a third valve 10, so that the opening and closing of the first extrusion head 7 and the material conveying channel 9 can be controlled conveniently, and the single extrusion or the multi-material mixing extrusion can be adjusted.

Preferably, the number of the cylinder body 1 is 2-4, so that the extrusion treatment of a plurality of raw materials is facilitated; raw material materials are put into the plurality of sub-cylinder bodies from the first feeding hole 17, the first valve and the third valve 10 are closed, the second valve 11 is opened, the first piston 4 is driven by the first hydraulic cylinder 21 to move downwards, and the independent extrusion processing of the materials can be realized; when many materials are mixed and extruded when needs are carried out, close first valve and second valve 11, open third valve 10, first pneumatic cylinder 21 drive first piston 4 moves down and extrudes the material into total cylinder body 3 through defeated material passageway 9 in, close third valve 10, drive second piston 14 through second pneumatic cylinder 13 and extrude many materials of mixture can, simultaneously through the agitator that is equipped with, can stir the processing to the bottom in the total cylinder body 3, be convenient for carry out the homogeneous mixing processing to multiple material, extrude efficiently.

The working principle and the using process of the invention are as follows: raw material materials are put into the plurality of sub-cylinder bodies from the first feeding hole 17, the first valve and the third valve 10 are closed, the second valve 11 is opened, the first piston 4 is driven by the first hydraulic cylinder 21 to move downwards, and the independent extrusion processing of the materials can be realized; when many materials are mixed and extruded when needs are carried out, close first valve and second valve 11, open third valve 10, first pneumatic cylinder 21 drive first piston 4 moves down and extrudes the material into total cylinder body 3 through defeated material passageway 9 in, close third valve 10, drive second piston 14 through second pneumatic cylinder 13 and extrude many materials of mixture can, simultaneously through the agitator that is equipped with, can stir the processing to the bottom in the total cylinder body 3, be convenient for carry out the homogeneous mixing processing to multiple material, extrude efficiently.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.