CN206952165U - A kind of metal 3D printing equipment - Google Patents
A kind of metal 3D printing equipment Download PDFInfo
- Publication number
- CN206952165U CN206952165U CN201720694686.8U CN201720694686U CN206952165U CN 206952165 U CN206952165 U CN 206952165U CN 201720694686 U CN201720694686 U CN 201720694686U CN 206952165 U CN206952165 U CN 206952165U
- Authority
- CN
- China
- Prior art keywords
- shaped platform
- cooling water
- water channel
- metal
- printing equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model proposes a kind of metal 3D printing equipment, including moulding cylinder and the shaped platform that can be moved up and down in moulding cylinder, the shaped platform is equipped with sealing ring, the shaped platform is provided with heating plate, the heating plate is provided with bottom plate, the bottom plate is provided with the substrate for being used for carrying printer model, and the substrate is detachably connected with bottom plate；One layer of thermal insulation board is provided between the shaped platform and heating plate, cooling water channel is provided with the shaped platform.The equipment increases thermal insulation board below heating plate; the downward conduction of heat in the heating plate course of work is blocked as far as possible; cooling water channel is set inside shaped platform simultaneously; cooling water channel effectively takes away the waste heat of shaped platform; shaped platform is protected by cooling water channel and thermal insulation board, so as to ensure that each component of shaped platform is injury-free.
Description
Technical field
The utility model belongs to 3D printing technique field, and in particular to a kind of metal 3D printing equipment.
Background technology
Selective laser melting (Selective Laser Melting, SLM) is in laser fast shaping manufacturing field
One of most potential technology.It is based on layering superposition manufacturing theory, and by laser beam, successively fusing metal powder forms
Type labyrinth metal parts, there is irreplaceable advantage compared with other fabrication techniques in this regard, have become
Study hotspot.
However, SLM equipment is during forming metal parts, because caused by laser fast shaping part heat input not
Homogeneous temperature field and produce residual stress, and then cause molding part warpage, cracking, so eliminate residual stress to suppress part exist
The generation of crackle is significant in forming process.Recent study finds to reduce remaining answer to substrate or the pre- heat energy of powder
Power, and then reduce molding part warpage, cracking.Because substrate is fixed on shaped platform by type of attachment mostly, so mesh
The SLM equipment of preceding in the market mostly by whole shaped platform using heating come reach to substrate heat purpose, due to
Substrate only above heating plate needs to heat, and the heat that heating plate is distributed to other directions is not only to being molded unhelpful, Er Qieyin
Longer for the heating-up temperature higher time, the heat given out can cause damage to cause component failure shaped platform miscellaneous part,
Particularly shaped platform and the sealing ring of shaping casing wall contact position, heat can have a strong impact on that its service life even results in sealing ring
Ageing failure, cause the leakage of metal dust and be molded the leakage of cabin protective gas, influence equipment normal operation or even cause
It is dangerous.Therefore this mode still has larger limitation in being actually molded.
Utility model content
In order to solve problems of the prior art, the utility model proposes one kind can obstruct heating plate and shaped platform
Between heat transfer, and the heat below heating plate is effectively taken away, so as to prevent the damage of the equipment miscellaneous part.It is
It is achieved through the following technical solutions：
A kind of metal 3D printing equipment, including moulding cylinder and the shaped platform that can be moved up and down in moulding cylinder, it is described
Shaped platform is equipped with sealing ring, and the shaped platform is provided with heating plate, and the heating plate is provided with bottom plate, on the bottom plate
Provided with the substrate for carrying printer model, the substrate is detachably connected with bottom plate；Between the shaped platform and heating plate
Provided with one layer of thermal insulation board, cooling water channel is provided with the shaped platform.
Further, it also is provided with cooling water channel in the casing wall of the moulding cylinder.
Further, the cooling water channel in the moulding cylinder casing wall is cylindrical helical, and the water inlet of the cooling water channel exists
On, delivery port is under.
Further, the cooling water channel in the moulding cylinder is set close to the shaping inside wall of cylinder.
Further, the thermal insulation board is nanometer micropore heat-barrier material.
Further, the cooling water channel of the shaped platform is set close to the roof of shaped platform.
Further, the cooling water channel of the shaped platform is snail shape, the center top in snail shape water route
For water inlet, the water inlet is located at the center of shaped platform, and the end in snail shape water route is delivery port.
Further, the sealing ring encloses for 1-3.
Compared with prior art, advantage possessed by the utility model is：The utility model proposes a kind of metal 3D printing
Equipment, the equipment increase thermal insulation board below heating plate, block the downward conduction of heat in the heating plate course of work as far as possible, together
When cooling water channel is set inside shaped platform, cooling water channel effectively takes away the waste heat of shaped platform, passes through cooling water
Road and thermal insulation board are protected to shaped platform, so as to ensure that the component below sealing ring and shaped platform is injury-free.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model printing device.
Fig. 2 is the cross-sectional view of the utility model printing device shaped platform.
Fig. 3 is the vertical section figure of the utility model printing device moulding cylinder.
As above each figure：1- lasers；2- printer models；3- substrates；4- metal dusts；5- bottom plates；6- heating plates；7- is heat-insulated
Plate；8- sealing rings；9- shaped platforms；10- moulding cylinders；The cooling water channels of 91- first；The initial water routes of 92-；93- ends water route；94-
Electric cylinder；The cooling water channels of 101- second.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
With reference to figure 1, the utility model proposes a kind of metal 3D printing equipment, including laser 1, moulding cylinder 10 and can be
The shaped platform 9 moved up and down in moulding cylinder 10, sealing ring 8 is equipped with the shaped platform 9, is set on the shaped platform 9
There is heating plate 6, the heating plate 6 is provided with bottom plate 5, and the bottom plate 5 is provided with the substrate 3 for being used for carrying printer model 4, described
Substrate 3 is detachably connected with bottom plate 5；One layer of thermal insulation board 7, the shaped platform are provided between the shaped platform 9 and heating plate 5
The first cooling water channel 91 is provided with 9.
The utility model in the inside of shaped platform by being provided with the first cooling water channel 91, the cooling water in heating process
Not open close cooling water inside road, effectively takes away the heat that heating plate distributes downwards, so as to reduce heating plate heat to sealing ring
And the damage of each component such as electric cylinder in shaped platform lower section etc., detection component grating scale etc.；In addition, the utility model is adding
One layer of thermal insulation board 7 is provided between hot plate and shaped platform, not only can effectively be obstructed between heating plate 6 and shaped platform 9
Heat transfer, protect each component of shaped platform not by heat damages, on the other hand, avoid heating plate 6 directly with interior circulation
The shaped platform for having condensed water directly contacts, and reduces scattering and disappearing for the heat of heating plate 6.
In the present embodiment, the cooling water channel of shaped platform 9 is set close to the roof of shaped platform, is advantageous to take away heating plate
The heat distributed downwards.Further, as shown in Figure 1-2, the cooling water channel of shaped platform is snail shape in the present embodiment,
The center top in snail shape water route is water inlet, and the water inlet is located at the center of shaped platform, snail shape water route
End be delivery port.Because water inlet is located at shaped platform center heat most concentrated area so that have just enter into cooling water channel
The relatively low cooling water of temperature can concentrate cooling heat concentrated area, and pass through the slightly elevated cooling of flowing temperature in water route
Water can reach the whole shaped platform consistent effect of temperature equalization from inside to outside to cool down the few region of periphery heat.
Cooling water is introduced and discharges shaped platform for convenience, one is additionally provided with the shaped platform in the utility model
The initial water route 92 of section and end water route 93, wherein initial water route 92 includes the first vertical part, the transverse part connected with the first vertical part, if
In the second vertical part connected with shaped platform water inlet of the first vertical part end, wherein the water inlet of the first vertical part is flat positioned at shaping
On platform bottom；The delivery port in end water route 93 is located on shaped platform bottom.
In order to further take away the heat on sealing ring, the utility model also adds cooling water channel in the inwall of moulding cylinder 10,
That is the second cooling water channel 101.Not open close cooling water inside casing wall cooling water channel is molded in heating process, effectively takes away sealing ring
Heat on 8, protects sealing ring not to be damaged by heat.
Further, the cooling water channel in the casing wall of the present embodiment moulding cylinder 10 is cylindrical helical, and the cooling water channel enters
The mouth of a river is upper, and delivery port is under.The cooling water channel being from top to bottom looped around inside casing wall, can band while coolant seal circle
Walk amount of residual heat in metal dust.
In order to be further ensured that cooling of the cooling water to sealing ring, the cooling water channel in moulding cylinder of the present utility model is close
It is molded the inside wall of cylinder to set, as shown in Figures 1 and 3.
Cooling water channel 91, the cooling water channel when equipment running process heating plate 6 heats are added in the indoor design of shaped platform 9
91 open logical cooling water, and cooling water channel 91 is closed when heating plate 6 does not heat.Cooling water channel is added in the indoor design of moulding cylinder 10
101, when equipment running process heating plate 6 heats, cooling water channel 101 opens logical cooling water, cooling water when heating plate 6 does not heat
Road 101 is closed.
By above-mentioned, the utility model sets cooling water channel inside shaped platform and in moulding cylinder casing wall, from two
Direction is that shaped platform particularly sealing ring is cooled down, and makes 3D printing equipment while heating is provided for substrate, effectively
Each component and sealing ring below shaped platform is protected not to be damaged by heat, so as to effectively ensure the sealing and equipment of equipment
Each component normal operation.
Thermal insulation board in the utility model is nanometer micropore heat-barrier material, can effectively trap heat transmission.
Further, the sealing ring encloses for 1-3.Sealing ring of the present utility model uses flexible seal ring, specially silicon
Quality of rubber materials.
Illustrated in each structure above-mentioned to the equipment：Laser 1 is metal 3D printing energy laser source 1, in level
Surface scan sintering metal powder 4（That is metal 3D printing raw material）, realize the shaping of each layer of 3D printing.Substrate 3, for carrying
The substrate of metal 3D printing model 2, the first layer of printer model 2 are that printing is sintered on substrate, final model and substrate phase
Connect together, printing a model needs a substrate, and substrate can be installed on bottom plate 5 by screw or other dismountable modes
On, printing is pulled down when completing.Bottom plate 5, for fixed substrate 3, while it is fixed on into together with heating plate 6 and thermal insulation board 7
On type platform 9, do not dismantle typically.Heating plate 6, for providing heat for substrate 3 and printer model 2, reduce mould in print procedure
The type top and the bottom temperature difference, so as to effectively reduce the generation of internal stress.Sealing ring 8 is fixed on shaped platform 9, flat around shaping
Platform 9 one weeks, effectively ensure the sealing of structure with moulding cylinder 10 during the up and down motion of shaped platform 9, prevent metal powder
The leakage at end 4 and the leakage for being molded cabin protective gas.Shaped platform 9, it can be moved up and down in moulding cylinder, band in forming process
Dynamic top all component successively moves downwards including printer model 4, realizes the movement of 3D printing vertical direction.This shaped platform leads to
Crossing the electric cylinder 94 being disposed below drives it to move up and down.Wherein, printer model 3 is the metal pattern Jing Guo laser sintered printing
Type.
Above example is only illustrating the technical solution of the utility model, rather than is limited；Although with reference to before
Embodiment is stated the utility model is described in detail, for the person of ordinary skill of the art, still can be right
Technical scheme described in previous embodiment is modified, or carries out equivalent substitution to which part technical characteristic；And these
Modifications or substitutions, do not make appropriate technical solution essence depart from the utility model technical scheme claimed spirit and
Scope.
Claims (8)
1. a kind of metal 3D printing equipment, including moulding cylinder and the shaped platform that can be moved up and down in moulding cylinder, it is described into
Type platform is equipped with sealing ring, and the shaped platform is provided with heating plate, and the heating plate is provided with bottom plate, set on the bottom plate
There is the substrate for carrying printer model, the substrate is detachably connected with bottom plate；Characterized in that, the shaped platform is with adding
One layer of thermal insulation board is provided between hot plate, cooling water channel is provided with the shaped platform.
2. a kind of metal 3D printing equipment according to claim 1, it is characterised in that also set in the casing wall of the moulding cylinder
There is cooling water channel.
A kind of 3. metal 3D printing equipment according to claim 2, it is characterised in that the cooling in the moulding cylinder casing wall
Water route is cylindrical helical, and the water inlet of the cooling water channel is upper, and delivery port is under.
A kind of 4. metal 3D printing equipment according to claim 2, it is characterised in that the cooling water channel in the moulding cylinder
Set close to the shaping inside wall of cylinder.
A kind of 5. metal 3D printing equipment according to claim 1, it is characterised in that the thermal insulation board be nanometer micropore every
Hot material.
A kind of 6. metal 3D printing equipment according to claim 1, it is characterised in that the cooling water channel of the shaped platform
Roof close to shaped platform is set.
A kind of 7. metal 3D printing equipment according to claim 1-6 any one, it is characterised in that the shaped platform
Cooling water channel be snail shape, for water inlet, the water inlet is located at shaped platform at the center top in snail shape water route
At center, the end in snail shape water route is delivery port.
8. a kind of metal 3D printing equipment according to claim 7, it is characterised in that the sealing ring encloses for 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720694686.8U CN206952165U (en) | 2017-06-15 | 2017-06-15 | A kind of metal 3D printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720694686.8U CN206952165U (en) | 2017-06-15 | 2017-06-15 | A kind of metal 3D printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206952165U true CN206952165U (en) | 2018-02-02 |
Family
ID=61380080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720694686.8U Expired - Fee Related CN206952165U (en) | 2017-06-15 | 2017-06-15 | A kind of metal 3D printing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206952165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486556A (en) * | 2017-06-15 | 2017-12-19 | 西安交通大学青岛研究院 | A kind of metal 3D printing equipment |
-
2017
- 2017-06-15 CN CN201720694686.8U patent/CN206952165U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107486556A (en) * | 2017-06-15 | 2017-12-19 | 西安交通大学青岛研究院 | A kind of metal 3D printing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180202 Termination date: 20180615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |