CN205767534U - A kind of multiple print head fine hot melt molding 3D print system - Google Patents
A kind of multiple print head fine hot melt molding 3D print system Download PDFInfo
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- CN205767534U CN205767534U CN201620450131.4U CN201620450131U CN205767534U CN 205767534 U CN205767534 U CN 205767534U CN 201620450131 U CN201620450131 U CN 201620450131U CN 205767534 U CN205767534 U CN 205767534U
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- hot melt
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Abstract
The utility model proposes a kind of multiple print head fine hot melt molding 3D print system, including: for the heater of preheating；Table device, described table device has shaped region；Powder feeding device, described powder feeding device is for by powder supply extremely described shaped region；Multiple print head assembly；Described heater is placed in the top of described table device, described powder feeding device is placed in the side of described table device, described multiple print head assembly be placed in the most described powder feeding device of described table device offside or with the sides adjacent of described powder feeding device；Multiple print head fine hot melt molding 3D print system according to this utility model embodiment, described multiple print head assembly is made up of at least one fine hot melt element, to realize whether realizing the sintering of powder by controlling the heating of heat fusion joint, and finally constitute parts.
Description
Technical field
This utility model relates to 3D printer field, particularly to a kind of multiple print head fine hot melt molding 3D print system.
Background technology
At present by SLM(selectively laser melting process) equipment of rapid prototyping system based on technique and operating cost the most much more expensive；And existing fine hot melt molding system uses thick-film thermistor to arrange as fine hot melt element, compare and use laser sintered apparatus processing efficiency slower, in the course of processing, if the heating-up temperature of fine hot melt element is improved, print speed can be promoted by trace, but work long hours and also bring along fine hot melt element and burn or the problem of quick aging, be unfavorable for equipment long-term stable operation.
Summary of the invention
In view of this, at least one in drawbacks described above of the prior art, a purpose of the present utility model is needed to overcome to be to propose a kind of multiple print head fine hot melt molding 3D print system.
Multiple print head fine hot melt molding 3D print system according to this utility model embodiment, including: for the heater of preheating；Table device, described table device has shaped region；Powder feeding device, described powder feeding device is for by powder supply extremely described shaped region；Multiple print head assembly, described multiple print head assembly is made up of at least one fine hot melt element and at least one cooling system；Described heater is placed in the top of described table device, described powder feeding device is placed in the side of described table device, described multiple print head assembly be placed in the most described powder feeding device of described table device offside or with the sides adjacent of described powder feeding device.
According in this patent background technology to described in prior art, fine hot melt molding system uses thick-film thermistor to arrange as fine hot melt element, in the course of processing, if the heating-up temperature of fine hot melt element is improved, print speed can be promoted by trace, but work long hours and also bring along fine hot melt element and burn or the problem of quick aging, be unfavorable for the defects such as equipment long-term stable operation；This utility model uses multiple fine equidistant printed side by side of hot melt element, is that each fine hot melt element configures cooling system, it is ensured that fine hot melt element temperature in the course of the work meets use requirement simultaneously；The most both improve printing effect, also reduced the temperature of print system, it is ensured that printhead energy long-time stable had worked, and had clear advantage.
It addition, can also have the technical characteristic added as follows according to the selectivity fine hot melt molding system of the multiple print head of this utility model above-described embodiment:
Further, the printing heat-agglomerating scope of described multiple print head assembly can cover whole described shaped region by the movement of multiple print head assembly.
Further, described table device may move, to expand the heat-agglomerating scope of described printhead.
Further, described powder includes plastic powders.
Further, described table device includes: work platforms, and described shaped region is arranged on described work platforms；Lowering or hoisting gear, described lowering or hoisting gear under described work platforms to lift described work platforms.
Further, described powder feeding device includes: powder feeder, and described powder feeder is by described powder supply to the upper surface of described work platforms；Powder laying device, in described powder laying device is arranged on described work platforms and described powder can be pushed to described shaped region and uniformly paves.
Further, described fine hot melt element is thick-film thermistor row, and distance between row and row is 0.05mm-0.25mm.
Further, each described fine hot melt element being fitted with cooling system, described cooling system includes: substrate, and described fine hot melt element is fixing on the substrate；Hot channel, described hot channel is the hollow cavity of both ends open, and described substrate is arranged on the side of described hot channel.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will become apparent from the description below, or is recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the multiple print head fine hot melt molding 3D print system according to one embodiment of this utility model.
Fig. 2 is fine hot melt printhead and cooling system thereof.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
Below with reference to the accompanying drawings describe in detail according to this utility model embodiment multiple print head fine hot melt molding 3D print system.
As shown in Figure 1 to Figure 2, according to the selectivity of the multiple print head of this utility model embodiment fine hot melt molding 3D print system, including: table device 10, work platforms 110, lowering or hoisting gear 120, shaped region 111, powder feeding device 20, powder feeder 210, powder laying device 220, heater 30, three-dimensional entity model 40, computer 50, print head assembly 60, printhead 601, screw 701, coolant inlet 702, cooling liquid outlet 703, coolant 704, fin 705, hot channel 706, substrate 707.
Specifically, for the heater 30 of preheating；Table device 10, described table device 10 has shaped region 111；Powder feeding device 20, described powder feeding device is for by powder supply extremely described shaped region 111；Multiple print head group 60, described multiple print head assembly 60 is made up of at least one fine hot melt element and at least one cooling system；Described heater 30 is placed in the top of described table device 10, described powder feeding device 20 is placed in the side of described table device 10, described multiple print head assembly 60 be placed in the most described powder feeding device 20 of described table device 10 offside or with the sides adjacent of described powder feeding device 20.
Heater 30 is for pre-heating powder so that print head assembly 60 is before sintered material, and material temperature rises to certain limit, shortens the sintering time of material.
According in this patent background technology to described in prior art, fine hot melt molding system uses thick-film thermistor to arrange as fine hot melt element, in the course of processing, if the heating-up temperature of fine hot melt element is improved, print speed can be promoted by trace, but work long hours and also bring along fine hot melt element and burn or the problem of quick aging, be unfavorable for the defects such as equipment long-term stable operation；This utility model uses multiple fine equidistant printed side by side of hot melt element, is that each fine hot melt element configures cooling system, it is ensured that fine hot melt element temperature in the course of the work meets use requirement simultaneously；The most both improve printing effect, also reduced the temperature of print system, it is ensured that printhead energy long-time stable had worked, and had clear advantage.
It addition, can also have a following additional technical characteristic according to the rapid prototyping system manufacturing three-dimensional entity model of this utility model above-described embodiment:
According to an embodiment of the present utility model, the heat-agglomerating scope that prints of described multiple print head assembly passes through the movement of multiple print head assembly can cover whole described shaped region.
According to an embodiment of the present utility model, described table device may move, and to expand the heat-agglomerating scope of described printhead, advantageously, table device 10 is removable to expand the heat-agglomerating scope of print head assembly 60；Such as, table device 10 can left and right translation.
According to an embodiment of the present utility model, described powder includes plastic powders.
According to an embodiment of the present utility model, described table device 10 includes: work platforms 110, and described shaped region 111 is arranged on described work platforms 110；Lowering or hoisting gear 120, described lowering or hoisting gear 120 under described work platforms 110 to lift described work platforms 110.
According to an embodiment of the present utility model, described powder feeding device 20 includes: powder feeder 210, and described powder feeder 210 is by described powder supply to the upper surface of described work platforms 110；Powder laying device 220, in described powder laying device 220 is arranged on described work platforms 110 and can be pushed to by described powder described shaped region 111 and uniformly paves
According to an embodiment of the present utility model, described fine hot melt element is thick-film thermistor row, and distance between row and row is 0.05mm-0.25mm.
According to one embodiment of present invention, it is fitted with cooling system on each described fine hot melt element, described cooling system includes: substrate 707, and described fine hot melt element is fixed on described substrate 707, and described substrate 707 and described fine hot melt element are together arranged on described fin 705；Hot channel 706 is positioned at described fin 705, described hot channel 706 is the hollow cavity of two sections of openings, including coolant inlet 702 and cooling liquid outlet 703, described substrate 707 is arranged on the side of described hot channel 706, coolant 704 is by cooling down associated components inside described cooling system, described printhead 601 is arranged on described cooling system, and described fin 705 is fixed with described substrate 707 by screw 701.
According to an embodiment of the present utility model, when multiple print head fine hot melt molding 3D print system according to this utility model embodiment is started working, such as plastic powders is supplied on the upper surface of work platforms 110 by powder feeder 210, in these powder are pushed to shaped region 111 by powder laying device 220 and paving uniformly, being sintered at least partially of the print head assembly 60 powder to paving in shaped region 111 shapes；Lifting arranges 120 makes work platforms 110 decline a layer height (such as, decline 0.15-0.35mm), and repeat the above steps, until workpiece 40 has shaped.
Need exist for explanation, according to the multiple print head selectivity fine hot melt molding 3D print system of this utility model embodiment, can realize automatically controlling by computer 50；Such as, for table device 10, powder feeding device 20, heater 30 and print head assembly 60 provide power, power supply etc., automatically control the lifting of table device, automatically control powder feeding device 20 and supply powder, the sintering time automatically controlling print head assembly 60, sintering region etc. to shaped region 111.This will be understood by those skilled in the art.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of the instruction such as " circumferential " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection ", the term such as " fixing " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be connection or the interaction relationship of two elements of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means that the specific features, structure, material or the feature that combine this embodiment or example description are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can be to combine in one or more embodiments in office or example in an appropriate manner.Additionally, in the case of the most conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be combined and combine by those skilled in the art.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is exemplary, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in the range of this utility model, revises, replace and modification by those of ordinary skill in the art.
Claims (8)
1. a multiple print head fine hot melt molding 3D print system, it is characterised in that including:
Heater for preheating；
Table device, described table device has shaped region；
Powder feeding device, described powder feeding device is for by powder supply extremely described shaped region；
Multiple print head assembly, described multiple print head assembly includes at least one fine hot melt element and at least one cooling system；
Described heater is placed in the top of described table device, described powder feeding device is placed in the side of described table device, described multiple print head assembly be placed in the most described powder feeding device of described table device offside or with the sides adjacent of described powder feeding device.
Multiple print head the most according to claim 1 fine hot melt molding 3D print system, it is characterised in that the heat-agglomerating scope that prints of described multiple print head assembly passes through the movement of multiple print head assembly can cover whole described shaped region.
Multiple print head the most according to claim 1 fine hot melt molding 3D print system, it is characterised in that described table device may move, to expand the printing heat-agglomerating scope of described printhead.
Multiple print head the most according to claim 1 fine hot melt molding 3D print system, it is characterised in that described powder includes plastic powders.
Multiple print head the most according to claim 1 fine hot melt molding 3D print system, it is characterised in that described table device includes:
Work platforms, described shaped region is arranged on described work platforms；
Lowering or hoisting gear, described lowering or hoisting gear under described work platforms to lift described work platforms.
Multiple print head the most according to claim 1 fine hot melt molding 3D print system, it is characterised in that described powder feeding device includes:
Powder feeder, described powder feeder is by described powder supply to the upper surface of described work platforms；
Powder laying device, in described powder laying device is arranged on described work platforms and described powder can be pushed to described shaped region and pave.
Multiple print head the most according to claim 1 fine hot melt molding 3D print system, it is characterised in that described fine hot melt element is thick-film thermistor row, and distance between row and row is 0.05mm-0.25mm.
Multiple print head the most according to claim 3 fine hot melt molding 3D print system, it is characterised in that being fitted with cooling system on each described fine hot melt element, described cooling system includes:
Substrate, described fine hot melt element is fixing on the substrate；
Hot channel, described hot channel is the hollow cavity of both ends open, and described substrate is arranged on the side of described hot channel.
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| CN201620450131.4U CN205767534U (en) | 2016-05-18 | 2016-05-18 | A kind of multiple print head fine hot melt molding 3D print system |
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| CN201620450131.4U CN205767534U (en) | 2016-05-18 | 2016-05-18 | A kind of multiple print head fine hot melt molding 3D print system |
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| CN205767534U true CN205767534U (en) | 2016-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835370A (en) * | 2016-05-18 | 2016-08-10 | 上海悦瑞三维科技股份有限公司 | Multi-printing-head fine hot-melt molding 3D printing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105835370A (en) * | 2016-05-18 | 2016-08-10 | 上海悦瑞三维科技股份有限公司 | Multi-printing-head fine hot-melt molding 3D printing system |
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Effective date of registration: 20200812 Address after: No.133, Huangpujiang Road, Dongnan street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Suzhou Rongzhi 3D Technology Co., Ltd Address before: 201612, No. 6, No. 1158, No. 1, Central Road, Jiuting Town, Shanghai, Songjiang District Patentee before: SHANGHAI UREAL 3D TECHNOLOGY Co.,Ltd. |