CN206351548U

CN206351548U - 3D printing model base structure

Info

Publication number: CN206351548U
Application number: CN201621416766.9U
Authority: CN
Inventors: 全冬梅
Original assignee: Dongguan Dragon Dragon Electronics Co Ltd
Current assignee: Dongguan Dragon Dragon Electronics Co Ltd
Priority date: 2016-12-22
Filing date: 2016-12-22
Publication date: 2017-07-25
Anticipated expiration: 2026-12-22

Abstract

The utility model provides 3D printing model base structure, including first base area, second base area and the 3rd basal seat area stacked from bottom to top；Described first base area is provided with outline pad and Internal periphery pad, and Internal periphery pad is located at the inside of outline pad and is the first Curved Continuous folding bar pad of both ends open；Second base area is the second Curved Continuous folding bar pad of both ends open, and is mutually perpendicular to the first Curved Continuous folding bar pad；3rd basal seat area is the 3rd Curved Continuous folding bar pad of both ends open, and at an angle with the second Curved Continuous folding bar pad.Originally it is new to be banked out by three different parts of structure and constituted, the netted base that first base area constitutes for loose layout path, its path is more loose, the structure can be such that most of deformation appears on understructure, there is toughness and elasticity on the whole, it can prevent to be torn into fractionlet in print procedure, improve its stickup degree relation with platform.

Description

3D printing model base structure

Technical field

The utility model is related to 3D printer field, is related specifically to a kind of molten thermoplastic material sedimentation type 3D printer Model base structure.

Background technology

For Stratasys apply the patents of US 20130307193 inside, its base be by nozzle under printer model The network structure that generation loose layout path in face is constituted, this network structure is not compact, can cause the deformation of model first layer, because This can influence the quality of model bottom.

Some existing solutions, as " raft " (raft pad) structure, its plinth course being made up of different components.This solution Certainly scheme can ensure the stability of printout and glue very tight on platform by it, but due to understructure glues with model Obtain very tight, so needing to handle model with hand to obtain desired shape, this solution has negative to model bottom quality Face rings.

In addition, existing solution, which also has, employs two different understructures：Raft (raft pad) and brim （Shirt rim）.Brim is a kind of structure in the increase broad way footpath around model first layer, and the model is directly on platform in itself Generation, and Raft applies for that US 20130307193 solution is similar with Stratasys, is the group of paths by being loosely laid out Into, difference is that procedure operation people can change some parameters to mix its performance with printed material with hand.Two knots The purpose of structure is all that to allow model and platform to paste tighter, but do not play the out-of-flatness of improvement platform, with indenture the problem of.

The content of the invention

The technical problems to be solved in the utility model, which is to provide, a kind of with the deformation of Controlling model and can prevent this phenomenon The understructure of generation.

It is achieved through the following technical solutions above-mentioned purpose：

3D printing model base structure, its first base area for including stacking successively from bottom to top, second base area and 3rd basal seat area；Described first base area is provided with outline pad and Internal periphery pad, and described outline pad is the ring of closing Shape pad, the Internal periphery pad is located at the inside of outline pad and is the first Curved Continuous folding bar pad of both ends open；Described second Basal seat area is the second Curved Continuous folding bar pad of both ends open, and the bending of the second Curved Continuous folding bar pad and the first Curved Continuous folding bar pad Direction is mutually perpendicular to；The 3rd described basal seat area is the 3rd Curved Continuous folding bar pad of both ends open, and the second Curved Continuous folding bar pad Overbending direction with the 3rd Curved Continuous folding bar pad is mutually in an angle.

Further described as to above-mentioned 3D printing model base structure, first base area is additionally provided with side profile pad, institute The side that side profile pad is stated positioned at outline pad is peripheral, and a side edge length of the length more than outline pad of side profile pad.

Further described as to above-mentioned 3D printing model base structure, the distance between path of Internal periphery pad is at least For 2 times of Internal periphery advance capital for body width, and the width of Internal periphery pad is at least 2 times of model reference path width

Further described as to above-mentioned 3D printing model base structure, the path width of the second Curved Continuous folding bar pad is 1-2 times of model reference path width, and the distance between the second Curved Continuous folding bar pad path is model reference path width 1-3 times.

Further described as to above-mentioned 3D printing model base structure, the path width of the 3rd Curved Continuous folding bar pad is 0.5-1.5 times of model reference path width.

Further described as to above-mentioned 3D printing model base structure, the area of the 3rd basal seat area is less than second base The area in area.

The beneficial effects of the utility model are：3D printing model base is banked out and group by three different parts of structure Into first base area is the netted base of loose layout path composition, and its path is more loose, and second base area, the 3rd bottom Seat area be designed as respectively with first base area path orthogonal, with second base area path be in an angle, and path width, spacing by It is tapered small.The structure uses basal seat area, most of deformation is appeared on understructure rather than on model, has on the whole Flexible and elasticity, its structure condensed can prevent to be torn into fractionlet in print procedure.Other understructure can be arranged Except bad on print platform, such as not straight, the flatness deficiency or indenture etc. of vertical axial, thus start printer model, can To ensure that the printhead plane of movement plane parallel with supporting surface is performed, make printer model more stable, and it can be improved with putting down The stickup degree relation of platform, the defect of platform is smooth, thus produce unfavorable thing in the deformation of reduction model and print procedure Manage the influence of phenomenon.

The path that first base area is used is more wider than other areas, can so ensure stickup degree of the model on platform； And at the circumference part of printer model first layer, pass through the increase of extruded material volume（The 110% of reference value can be arrived）, Reduced when simultaneously by the pack portion of printer model（The 50% of reference value can at least be arrived）, it is hereby achieved that being pasted in profile region Degree is very high, and in the stickup degree very low effect of model first layer pack portion.Regardless of whether the size of model, this effect is all Highly advantageous：In the case that model is big, because not pasting very tight in whole first base area, it is easier it bottom of from Holder structure is separated, and in the case that model is small, stably can be fixed in above platform very much.

Brief description of the drawings

Fig. 1 is this new overall structure diagram;

Fig. 2 is the structure chart in first base area；

Fig. 3 is the structure chart in second base area；

Fig. 4 is the structure chart of the 3rd basal seat area；

Fig. 5 is the schematic diagram of understructure after model is torn.

Embodiment

The utility model is further described below in conjunction with accompanying drawing：

The direction term being previously mentioned in following examples, such as " upper and lower, left and right " they are only the directions of refer to the attached drawing, because This, the direction term used is intended to be illustrative and not intended to limit the utility model.

As Figure 1-5,3D printing model base structure, its first base area 1 for including stacking successively from bottom to top, Two basal seat areas 2 and the 3rd basal seat area 3；Described first base area 1 is provided with outline pad and Internal periphery pad, described foreign steamer Exterior feature pad is the loop pads 5 of closing, and the Internal periphery pad is located at the inside of outline pad and is the first continuously bending of both ends open Bar pad 6；Described second base area 2 is the second Curved Continuous folding bar pad 8 of both ends open, and the second Curved Continuous folding bar pad 8 and the The overbending direction of one Curved Continuous folding bar pad 6 is mutually perpendicular to；The 3rd described basal seat area 3 is the 3rd Curved Continuous folding bar of both ends open Pad 9, and the overbending direction of the second Curved Continuous folding bar pad 8 and the 3rd Curved Continuous folding bar pad 9 is in mutually an angle, the angle is 70- Between 90 degree.

In three above-mentioned plinth courses, its bottom uses wider path width and spacing, can be during support Effect with buffering, while interfixing stability more preferably between multilayer plinth course, can improve its stickup degree with platform Relation, and the defect of platform is smooth.And whole understructure can be easy to that highest is presented on model first layer edge Sticking strength, and model fill the minimum sticking strength of presentation in first layer Internal periphery pad.

Further described as to above-mentioned 3D printing model base structure, first base area is additionally provided with side profile pad 7, institute The side that side profile pad 7 is stated positioned at outline pad is peripheral, and a side edge length of the length more than outline pad of side profile pad. Before actually printing, the material of some residuals is had inside printhead, cleaning can be played by first printing the increased side profile pad The effect of retained material inside printhead.The performance of optimal deposition materials can be so obtained before actually printing.

Further described as to above-mentioned 3D printing model base structure, the distance between path of Internal periphery pad is at least For 2 times of Internal periphery advance capital for body width, and the width of Internal periphery pad is at least 2 times of model reference path width.The model is joined Examine the standard routes generated when path is manufactured by the profile of printer model in itself.

Further described as to above-mentioned 3D printing model base structure, the path width of the second Curved Continuous folding bar pad is 1-2 times of model reference path width, and the distance between the second Curved Continuous folding bar pad path is model reference path width 1-3 times.The area in second base area is bigger than the basal layer area of printer model, i.e., its edge is located at the outside of printer model, two The Edge Distance of person is different according to cast material, in 5mm between 30mm.Meanwhile, the path of the second Curved Continuous folding bar pad The distance between width and path ensure that path will not be overlapped, so the combination knot in second base area and first base area Structure is netted.

Further described as to above-mentioned 3D printing model base structure, the area of the 3rd basal seat area is less than second base The area in area, its edge is located at the outside at model first layer edge, and is first base area and model with the distance of edge of model The half of Edge Distance.Analogy：First base area is just protruded and edge of model with edge of model at a distance of 10mm, i.e. the 3rd basal seat area At a distance of 5mm.The distance between path due to the 3rd Curved Continuous folding bar pad close to path width, so the 3rd basal seat area surface It is very smooth, smooth.And object module is generated in its surface, thus the 3rd basal seat area can increase whole basic toughness and Elasticity, thus it separated be easier from printed model, and whole printer model structure is caused without worry It is broken.Before printing object module, above three basal seat area generates the high density in path, can make the distribution on mould upper strata Printing is evenly.

Deformation is that in cooling procedure, the corresponding consequence of model stress caused by material volume shrinks, this phenomenon is disliked very much It is bad, the bottom particularly under the maximum printer model of the temperature difference, if not controlling to deform can cause the model printed to be separated from platform, matter The low even printout destruction of amount.And using the basal seat area of three parts can make most of deformation appear on understructure rather than On model, the deformation of there does not influence on the outward appearance or performance of model, and due to Part I profile to model from Do not influenceed for platform separation.Using this it is new after, from model 4 separate after the reference picture 5 of understructure 10, wherein, mould Type is concentrated mainly on region 11 with the position that base is mutually pasted.

It is described above that not this new technical scope is imposed any restrictions, it is all according to the utility model technical spirit to On embodiment any modification, equivalent variations and the modification made, in the range of still falling within this new technical scheme.

Claims

1.3D printer model understructures, it is characterised in that：Including stack successively from bottom to top first base area, second base Area and the 3rd basal seat area；Described first base area is provided with outline pad and Internal periphery pad, and described outline pad is envelope The loop pads closed, the Internal periphery pad is located at the inside of outline pad and is the first Curved Continuous folding bar pad of both ends open；It is described Second base area be both ends open the second Curved Continuous folding bar pad, and the second Curved Continuous folding bar pad and the first Curved Continuous folding bar pad Overbending direction be mutually perpendicular to；The 3rd described basal seat area is the 3rd Curved Continuous folding bar pad of both ends open, and the second Curved Continuous The overbending direction of folding bar pad and the 3rd Curved Continuous folding bar pad is mutually in an angle.

2. 3D printing model base structure according to claim 1, it is characterised in that：First base area is additionally provided with side profile Pad, the side profile pad is located at the side periphery of outline pad, and a side of the length more than outline pad of side profile pad Length.

3. 3D printing model base structure according to claim 1, it is characterised in that：Between the path of Internal periphery pad away from From 2 times of at least width of Internal periphery pad path itself, and the width of Internal periphery pad is at least the 2 of model reference path width Times.

4. 3D printing model base structure according to claim 1, it is characterised in that：The path of second Curved Continuous folding bar pad Width is 1-2 times of model reference path width, and the distance between the second Curved Continuous folding bar pad path is model reference path 1-3 times of width.

5. 3D printing model base structure according to claim 1, it is characterised in that：The path of 3rd Curved Continuous folding bar pad Width is 0.5-1.5 times of model reference path width, and the distance between the 3rd Curved Continuous folding bar pad path is close to path Width.

6. 3D printing model base structure according to claim 1, it is characterised in that：The area of 3rd basal seat area is less than the The area of two basal seat areas.