Circulating 3D printing apparatus
阅读说明:本技术 循环式3d打印设备 (Circulating 3D printing apparatus ) 是由 何捷军 李佳玫 周志军 于 2019-11-29 设计创作,主要内容包括:本发明涉及一种循环式3D打印设备。所述的循环式3D打印设备包括:框架结构、环轨以及打印平台;所述环轨与所述打印平台均安装于所述框架结构上,且所述打印平台位于所述环轨的底部;所述环轨上等间距滑动安装有若干组打印机构,每组所述打印机构包括相互连接的打印头与铺砂器以及驱动连接所述打印头与所述铺砂器的驱动件。循环式3D打印设备打印效率较高,且能够适用于大型砂型(芯)打印任务。(The invention relates to a circulating type 3D printing device. Circulating 3D printing apparatus include: the printing device comprises a frame structure, a ring rail and a printing platform; the circular rail and the printing platform are both arranged on the frame structure, and the printing platform is positioned at the bottom of the circular rail; the equal interval slidable mounting in ring rail has a plurality of groups of printing mechanism, every group printing mechanism includes interconnect's beat printer head and sanding ware and drive connection beat printer head with the driving piece of sanding ware. The circulating 3D printing equipment is high in printing efficiency and can be suitable for large-scale sand mould (core) printing tasks.)
1. A circulating 3D printing apparatus, characterized in that, circulating 3D printing apparatus includes: the printing device comprises a frame structure, a ring rail and a printing platform;
the circular rail and the printing platform are both arranged on the frame structure, and the printing platform is positioned at the bottom of the circular rail;
the equal interval slidable mounting in ring rail has a plurality of groups of printing mechanism, every group printing mechanism includes interconnect's beat printer head and sanding ware and drive connection beat printer head with the driving piece of sanding ware.
2. The cyclical 3D printing apparatus according to claim 1, wherein the print head and the sand spreader of each group of the printing mechanisms are respectively mounted on the ring rail by an adjusting block.
3. The circulating type 3D printing device according to claim 2, wherein each adjusting block is installed on the ring rail in a step shape, and the installation height difference between two adjacent adjusting blocks is the printing layer thickness.
4. The cyclical 3D printing apparatus according to claim 3, wherein the endless track is provided with a plurality of tracks, and each group of the printing mechanisms is correspondingly mounted on one of the tracks.
5. The cyclical 3D printing apparatus according to claim 1, wherein the endless track comprises a first slide rail and a second slide rail, the first slide rail and the second slide rail being disposed on opposite sides of the frame structure at an interval, each set of the printing mechanisms being slidably disposed between the first slide rail and the second slide rail.
6. The cyclical 3D printing apparatus according to claim 1, further comprising a lifting mechanism connected to the printing platform for lifting the printing platform up or down in a height direction.
7. The cyclical 3D printing apparatus according to claim 1, further comprising vertical slide rails mounted at both ends of the frame structure in a height direction, the ring rail being slidably mounted on the vertical slide rails.
8. The cyclical 3D printing apparatus according to any one of claims 1 to 7, further comprising a sand adding mechanism mounted to a top end of the frame structure.
9. The cyclical 3D printing apparatus according to any one of claims 1 to 7, further comprising a purge mechanism disposed proximate to the printing platform.
10. The endless form 3D printing apparatus of any one of claims 1 to 7, further comprising cleaning mechanisms mounted at both ends of the frame structure for cleaning the print heads of each set of the printing mechanisms.
Technical Field
The invention relates to the technical field of 3D printing, in particular to a circulating type 3D printing device.
Background
Disclosure of Invention
Based on this, it is necessary to provide a circulating 3D printing apparatus which has high printing efficiency and can be applied to a large sand mold (core) printing task, aiming at the problems that the 3D printing apparatus in the prior art has low printing efficiency and cannot meet the requirement of large sand mold printing.
A cyclical 3D printing apparatus, the cyclical 3D printing apparatus comprising: the printing device comprises a frame structure, a ring rail and a printing platform; the circular rail and the printing platform are both arranged on the frame structure, and the printing platform is positioned at the bottom of the circular rail; the equal interval slidable mounting in ring rail has a plurality of groups of printing mechanism, every group printing mechanism includes interconnect's beat printer head and sanding ware and drive connection beat printer head with the driving piece of sanding ware.
In one embodiment, the printing head and the sand spreader of each group of printing mechanisms are respectively arranged on the ring rail through adjusting blocks.
In one embodiment, each adjusting block is installed on the ring rail in a step shape, and the installation height difference between two adjacent adjusting blocks is the printing layer thickness.
In one embodiment, the circular track is provided with a plurality of tracks, and each group of printing mechanisms is correspondingly arranged on one track.
In one embodiment, the ring rail includes a first slide rail and a second slide rail, the first slide rail and the second slide rail are disposed on two sides of the frame structure at an interval, and each group of the printing mechanisms is slidably disposed between the first slide rail and the second slide rail.
In one embodiment, the circulating 3D printing apparatus further includes a lifting mechanism, connected to the printing platform, for lifting the printing platform to ascend or descend along a height direction.
In one embodiment, the circulating 3D printing apparatus further includes vertical slide rails installed at both ends of the frame structure in a height direction, and the ring rail is slidably installed on the vertical slide rails.
In one embodiment, the circulating 3D printing apparatus further includes a sand adding mechanism, and the sand adding mechanism is installed at the top end of the frame structure.
In one embodiment, the circulating 3D printing apparatus further includes a cleaning mechanism disposed near the printing platform.
In one embodiment, the printing device further comprises cleaning mechanisms, wherein the cleaning mechanisms are arranged at two ends of the frame structure and used for cleaning the printing heads of each group of printing mechanisms.
Above-mentioned circulating 3D printing apparatus, through set up the ring rail on frame construction, and further on the ring rail equidistant install a plurality of groups including beating printer head and the printing mechanism of sanding ware, and control realizes that a plurality of groups including beating printer head and sanding ware's printing mechanism and printing along ring rail circulation slip, guarantee to carry out the printing on second layer immediately after the one deck is printed, realize that there is not wait for between layer and the layer, the circulation butt joint that does not dodge prints, printing efficiency has greatly been improved, and simultaneously because can carry out the continuity answer, consequently be applicable to and print large-scale sand mould (core) product and print.
Drawings
Fig. 1 is a schematic perspective view of a circulation type 3D printing apparatus according to an embodiment.
Fig. 2 is a schematic structural diagram of another view of the circulation type 3D printing apparatus shown in fig. 1.
Fig. 3 is a partial structural schematic view of a printing mechanism according to an embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In one embodiment, a recirculating 3D printing apparatus, the recirculating 3D printing apparatus comprising: the printing device comprises a frame structure, a ring rail and a printing platform; the circular rail and the printing platform are both arranged on the frame structure, and the printing platform is positioned at the bottom of the circular rail; the equal interval slidable mounting in ring rail has a plurality of groups of printing mechanism, every group printing mechanism includes interconnect's beat printer head and sanding ware and drive connection beat printer head with the driving piece of sanding ware.
Above-mentioned circulating 3D printing apparatus, through set up the ring rail on frame construction, and further on the ring rail equidistant install a plurality of groups including beating printer head and the printing mechanism of sanding ware, and control realizes that a plurality of groups including beating printer head and sanding ware's printing mechanism and printing along ring rail circulation slip, guarantee to carry out the printing on second layer immediately after the one deck is printed, realize that there is not wait for between layer and the layer, the circulation butt joint that does not dodge prints, printing efficiency has greatly been improved, and simultaneously because can carry out the continuity answer, consequently be applicable to and print large-scale sand mould (core) product and print.
The circulating 3D printing apparatus is described below with reference to specific embodiments to further understand the inventive concept of the circulating 3D printing apparatus. Referring to fig. 1, a circulation type
Referring to fig. 1 and 2, in one embodiment, the
In a specific embodiment, the
In one embodiment, the periphery of the
In one embodiment, the mounting spacing between two adjacent sets of
In a particular embodiment, the
In one embodiment, referring to fig. 2, the print job process of the circular 3D printing apparatus is as follows:
the sand spreader A1, the sand spreader A2 …, the printing head B1 and the printing head B2 …, the printing head Bn are sequentially arranged at equal intervals along the circular track, the state of the sand spreader and the printing head above the circular track is the end state when one layer of printing is finished, and the position of the sand spreader and the printing head below the circular track is in the start state of the Nth layer; the specific printing motion track is as follows: the A1, the A2 … An sand-laying device, the B1 and the B2 … Bn printing head move to the upper part of the annular track along the circular arc on the left side of the annular track in sequence (as shown by An arrow in figure 1), then continue to move to the lower part of the annular track along the circular arc on the right side of the annular track in sequence, the A1 sand-laying device moves to the edge position of the
In the process, when only one work box is provided, namely the length of the printing platform is proper and is suitable for printing small products, the A1 and the A2 … An sand spreader and the B1 and the B2 … Bn printing heads sequentially and continuously print the products on the work box under the control of the driving piece; when there are a plurality of work boxes, when printing platform was long enough to be applicable to and prints large-scale product promptly, then a plurality of groups of sanding ware and the printer head of ring rail below accomplish N layer sanding and print the back, a plurality of groups of sanding ware that lie in the ring rail top with beat the printer head and remove to the work box left end and begin to print for the (N + 1) th time to guarantee that the incessant high-efficient circulation of multilayer prints.
Above-mentioned circulating 3D printing apparatus, through set up
In order to stably mount each set of printing mechanisms on the circular rail, in one embodiment, referring to fig. 3, the
In order to realize seamless continuous printing of the printing work of each printing mechanism without adjusting the mounting height of the printing platform, in one embodiment, please refer to fig. 3, each adjusting
In order to further realize the independent control of each group of printing mechanisms for smooth printing, in one embodiment, the
In order to control and realize flexible lifting of the printing platform, so as to meet the requirement that the height of the printing mechanism does not need to be changed when printing of each layer is completed, in one embodiment, please refer to fig. 1, the cyclic 3D printing apparatus further includes a
In order to control and realize the adjustment of the height of the printing mechanism, in one embodiment, the endless
In order to ensure that the printing mechanism is timely replenished with used sand, and therefore, uninterrupted sanding of the sander is ensured, in one embodiment, please refer to fig. 1 and fig. 2, the circulating
In order to ensure that the printhead base plate and the nozzles are cleaned within the specified number of layers, in one embodiment, with continued reference to fig. 1, the recycling
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
- 上一篇:一种医用注射器针头装配设备
- 下一篇:一种加热均匀的发动机缸体砂型铸造模具