阅读说明：本技术 一种多头增材制造装备 (Multi-head additive manufacturing equipment ) 是由 路伟光 王碧青 张东翼 王海亮 乔宝石 于 2020-10-30 设计创作，主要内容包括：本发明涉及一种多头增材制造装备,该装备将多个3D打印机的喷头通过转接板安装在三坐标测量机垂直运动轴上,可以完成在有效工作行程范围内的运动及定位等动作,同时实现多个喷头3D打印的功能,且工作喷头数量可设置。其中三坐标测量机是一种基于几何量测量的高精度精密测量仪器,其三轴均采用气浮导轨方式,有效的规避了传统的直线导轨+滑块等导轨方式给运动平台带来的振动及摩擦,可以实现高精度运动。相对于目前大型3D打印机有效工作行程的规格来说,工作行程有明显的优势,打印精度、生产效率都大幅提高,可实现测量打印一体化,进一步拓宽了增材制造的应用范围。(The invention relates to multi-head additive manufacturing equipment, wherein nozzles of a plurality of 3D printers are arranged on a vertical movement shaft of a three-coordinate measuring machine through adapter plates, so that the actions of movement, positioning and the like in an effective working stroke range can be completed, the 3D printing function of the plurality of nozzles is realized, and the number of the working nozzles can be set. The three-coordinate measuring machine is a high-precision measuring instrument based on geometric quantity measurement, the three axes of the three-coordinate measuring machine all adopt an air-floating guide rail mode, vibration and friction caused by traditional guide rail modes such as a linear guide rail and a sliding block to a moving platform are effectively avoided, and high-precision movement can be realized. Compared with the specification of the effective working stroke of the existing large-scale 3D printer, the working stroke has obvious advantages, the printing precision and the production efficiency are greatly improved, the measurement and printing integration can be realized, and the application range of additive manufacturing is further widened.)

1. A multi-headed additive manufacturing apparatus, comprising: the three-dimensional printing device comprises a three-dimensional measuring machine, a mounting plate, an adapter plate and a 3D printing head, wherein a vertical motion shaft of the three-dimensional measuring machine is detachably connected with the mounting plate through the adapter plate; more than one 3D printing head can be dismantled and fixed on the mounting panel.

2. The multi-headed additive manufacturing apparatus of claim 1 wherein: the device also comprises a feeding mechanism; the mounting plate is of a flat plate type, more than one feeding hole is formed in the mounting plate, and the 3D printing head is respectively mounted on the mounting plate corresponding to each feeding hole; the feeding mechanism sends the raw materials to the 3D printing head through the feeding hole.

3. The multi-headed additive manufacturing apparatus of claim 2, wherein: the 3D printing head comprises a printing head and a heating mechanism fixedly arranged above the printing head, the heating mechanism is of a hollow structure, and the printing head is fixed on the mounting plate through the heating mechanism; 3D beats printer head equipartition and at the lower surface of mounting panel.

4. The multi-headed additive manufacturing apparatus of claim 3 wherein: the printing raw material conveyed by the feeding mechanism is a wire, a first end of the wire is fixed in the wire disc of the feeding mechanism, and a second end of the wire sequentially penetrates through the inside of a vertical movement shaft of the three-coordinate measuring machine, then penetrates through a hollow structure and a feeding hole in the heating mechanism and is finally connected to the head of the printing head.

5. The multi-headed additive manufacturing apparatus of any one of claims 1-4, wherein: a plurality of rib plates are arranged between the upper surface of the mounting plate and the adapter plate.

6. The multi-headed additive manufacturing apparatus of claim 5 wherein: the 3D printing head, the heating mechanism, the feeding hole and the wire material are consistent in quantity, and the core hardware of the whole multi-head additive manufacturing equipment is formed.

7. The multi-headed additive manufacturing apparatus of any one of claims 1-4, 6 wherein: still include fine-tuning, fine-tuning sets up on the mounting panel, can the packet adjustment 3D beats printer head position.

8. The multi-headed additive manufacturing apparatus of claim 7 wherein: the fine-tuning includes the slip table and installs the manual lead screw on the slip table, 3D beats printer head and is connected with the keysets through the slip table.

9. The multi-headed additive manufacturing apparatus of claim 8 wherein: different 3D printing heads can be arranged according to working requirements to perform printing operation.

10. The multi-headed additive manufacturing apparatus of claim 8 wherein: the mounting panel can wholly be dismantled and change for the measuring head, satisfies the demand of measuring printing integration.

Technical Field

The invention relates to the technical field of additive manufacturing, in particular to multi-head additive manufacturing equipment.

Background

The 3D printing technology is a rapid prototyping technology, which is a three-dimensional prototyping technology for constructing an object by using various types of bondable materials such as metal powder, fluid materials, plastics and the like through computer software program control in a layer-by-layer material stacking mode on the basis of a digital model, and a 3D printer is additive manufacturing equipment specifically presented as the 3D printing technology.

In the prior art, the 3D printer has the following disadvantages: firstly, the efficiency is not high, the printing time of a single part is long, and the requirement of mass production cannot be met; secondly, the precision is not high, the positioning precision of three axes, particularly the Z axis of vertical motion, is generally not higher than 20 mu m, and the stroke is generally about 100-1200 mm; thirdly, can't satisfy and measure the integration demand of printing, current 3D printer can only accomplish the vibration material disk manufacturing function, needs to change equipment and measures, and is inefficient.

Therefore, the inventor provides a multi-head additive manufacturing device which can remarkably improve the yield and the precision and meet the requirement of measurement and printing integration.

Disclosure of Invention

(1) Technical problem to be solved

The embodiment of the invention provides multi-head additive manufacturing equipment, which effectively solves the technical problems of poor printing precision, low efficiency and incapability of integrating measurement and printing of the existing additive manufacturing equipment by modifying a three-coordinate measuring machine to design a multi-head mounting plate.

(2) Technical scheme

A multi-headed additive manufacturing apparatus comprising: the three-dimensional printing device comprises a three-dimensional measuring machine, a mounting plate, an adapter plate and a 3D printing head, wherein a vertical motion shaft of the three-dimensional measuring machine is detachably connected with the mounting plate through the adapter plate; more than one 3D printing head can be dismantled and fixed on the mounting panel.

Further, the device also comprises a feeding mechanism; the mounting plate is a flat thin plate and can be a circular plate or a square plate, more than one feeding hole is formed in the mounting plate, and each 3D printing head is mounted on the lower surface of the mounting plate corresponding to 1 feeding hole; the feeding mechanism sends the raw materials to the 3D printing head through the feeding hole.

Further, 3D beats printer head includes and beats printer head and be located its top heating mechanism, heating mechanism is hollow structure, it fixes on the mounting panel through heating mechanism to beat printer head.

Furthermore, the printing raw material conveyed by the feeding mechanism is a wire, a first end of the wire is fixed in the wire disc of the feeding mechanism, and a second end of the wire sequentially penetrates through the inside of the vertical movement shaft of the three-coordinate measuring machine, then penetrates through the hollow structure and the feeding hole in the heating mechanism and is connected to the head of the printing head.

Furthermore, a plurality of rib plates are arranged between the upper surface of the mounting plate and the adapter plate.

Furthermore, the 3D printing head, the heating mechanism, the feeding hole and the wire material are consistent in quantity, and the core hardware of the whole multi-head additive manufacturing equipment is formed.

Further, the 3D printing heads are uniformly distributed on the lower surface of the mounting plate.

Further, the printing device further comprises a fine adjustment mechanism, wherein the fine adjustment mechanism is arranged on the mounting plate, and the 3D printing head positions can be adjusted in a grouping mode.

Further, fine-tuning includes the slip table and installs the manual lead screw on it, 3D beat printer head pass through slip table mechanism with the keysets is connected, can be according to its position of required manual regulation, satisfies the customization better and prints the demand.

Further, different 3D printing heads can be arranged according to working requirements to perform printing operation.

Further, the mounting panel can wholly be dismantled and change for the measuring head, satisfies the demand of measuring the printing integration.

The invention is described based on FDM (fused deposition modeling process) in a 3D printer, but the patent includes, but is not limited to, such a process.

The invention adopts a three-coordinate measuring machine for driving, the three-coordinate measuring machine is a high-efficiency precision measuring instrument based on a coordinate measuring technology, three axes all adopt a high-precision closed-loop control system, and the precision can be improved by 3-10 times. The number of the printing heads can be selected according to specific requirements, so that a plurality of parts can be printed simultaneously. In addition, the multi-head component can be integrally disassembled and replaced by a measuring head, so that the requirement of integration of measurement and printing is met.

In conclusion, the three-coordinate measuring machine is introduced into the additive manufacturing equipment, the printing heads are integrated on the mounting plate, and the mounting plate is detachably connected with the vertical motion shaft of the three-coordinate measuring machine, so that the high-precision positioning of the additive manufacturing equipment is realized, a plurality of parts can be produced simultaneously, and the additive manufacturing equipment also has the functions of geometric measurement and 3D printing. The additive manufacturing equipment can meet the working requirements of individual printing operation of a plurality of large parts and a plurality of small parts in the fields of high precision and large size, can realize the integration function of additive manufacturing and geometric measurement, and further widens the working form, application range and application field of additive manufacturing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of a multi-head additive manufacturing apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic top view angle configuration of a printhead component of the multi-headed additive manufacturing apparatus of FIG. 1;

FIG. 3 is a schematic view in elevation of a printhead component of the multi-headed additive manufacturing apparatus of FIG. 1.

In the figure: 1-3D print heads; 2-a feeding hole; 3, mounting a plate; 4-wire material; 5-vertical axis of motion of the coordinate measuring machine; 6-a patch panel; 7-fine adjustment mechanism; 8-ribbed plate; 9-a three-coordinate measuring machine; 10-a printhead component; 11-a print head; 12-heating means.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described, but covers any modifications, alterations, and improvements in the parts, components, and connections without departing from the spirit of the invention.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

FIG. 1 is a schematic view of a multi-head additive manufacturing apparatus according to an embodiment of the invention; FIG. 2 is a schematic top view angle configuration of a printhead component of the multi-headed additive manufacturing apparatus of FIG. 1; FIG. 3 is a schematic view in elevation of a printhead component of the multi-headed additive manufacturing apparatus of FIG. 1. As shown in fig. 1-3, the present invention is described based on FDM (fused deposition modeling process) in a 3D printer, but the present patent includes, but is not limited to, such a process. The multi-head additive manufacturing equipment comprises a three-coordinate measuring machine 9, a printing head component 10 and a feeding mechanism. The printing head component 10 comprises a mounting plate 3, an adapter plate 6 and a 3D printing head 1, wherein a vertical motion shaft 5 of the three-coordinate measuring machine is detachably connected with the mounting plate 3 through the adapter plate 6; the 3D printing head 1 is detachably fixed 9 on the mounting plate 3. The mounting plate 3 is of a flat plate type, a plurality of supportable rib plates 8 are mounted on the upper surface of the mounting plate 3, 9 feeding holes 2 are formed in the mounting plate 3, and each 3D printing head 1 is correspondingly mounted on the lower surface of the mounting plate 3 corresponding to 1 feeding hole 2; the 3D printing head comprises a printing head 11 and a heating mechanism 12 positioned above the printing head, wherein the heating mechanism 12 is of a hollow structure. The printing raw material conveyed by the feeding mechanism is a wire 4, the first end of the wire 4 is fixed in a wire disc of the feeding mechanism, and the second end of the wire 4 sequentially penetrates through the inside of a vertical moving shaft 5 of the three-coordinate measuring machine, then penetrates through a hollow structure and a feeding hole 2 in the heating mechanism 12 and then is connected to the head of the printing head 11.

The number of the printing heads 11, the number of the heating mechanisms 12, the number of the feeding holes 2 and the number of the wires 3 are consistent, and the core hardware of the whole multi-head additive manufacturing equipment is formed; 3D beats printer head 1 equipartition and at the lower surface of mounting panel.

Further, still include fine-tuning 7, fine-tuning 7 sets up on mounting panel 3, can group regulation 3D beats printer head 1 position, fine-tuning 7 includes the slip table and installs the manual lead screw on it, 3D beat printer head pass through slip table mechanism with the keysets is connected, can be according to its position of required manual regulation, satisfies the customization better and prints the demand.

Further, different 3D print heads 1 can be set to perform print jobs according to the work requirements.

Further, the mounting plate 3 can be wholly dismantled and change for the measuring head, satisfies the demand of measuring the integration of printing.

The invention adopts a three-coordinate measuring machine for driving, the three-coordinate measuring machine is a high-efficiency precision measuring instrument based on a coordinate measuring technology, three axes all adopt a high-precision closed-loop control system, and the precision can be improved by 3-10 times. The number of the printing heads can be selected according to specific requirements, so that a plurality of parts can be printed simultaneously. In addition, the multi-head component can be integrally disassembled and replaced by a measuring head, so that the requirement of integration of measurement and printing is met.

In conclusion, the three-coordinate measuring machine is introduced into the additive manufacturing equipment, the printing heads are integrated on the mounting plate, and the mounting plate is detachably connected with the vertical motion shaft of the three-coordinate measuring machine, so that the high-precision positioning of the additive manufacturing equipment is realized, a plurality of parts can be produced simultaneously, and the additive manufacturing equipment also has the functions of geometric measurement and 3D printing. The device can meet the working requirements of individual printing operation of a plurality of large-scale parts and a plurality of small-scale parts in the high-precision and large-size fields in the additive manufacturing mode, and can realize the integration function of additive manufacturing and geometric measurement, thereby further widening the working form, application range and application field of additive manufacturing.

It should be clear that the embodiments in this specification are described in a progressive manner, and the same or similar parts in the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. The present invention is not limited to the specific steps and structures described above and shown in the drawings. Also, a detailed description of known process techniques is omitted herein for the sake of brevity.

The above description is only an example of the present application and is not limited to the present application. Various modifications and alterations to this application will become apparent to those skilled in the art without departing from the scope of this invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.