CN206543876U - A kind of circulating purifying device of metal 3D printing equipment - Google Patents
A kind of circulating purifying device of metal 3D printing equipment Download PDFInfo
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- CN206543876U CN206543876U CN201720195221.8U CN201720195221U CN206543876U CN 206543876 U CN206543876 U CN 206543876U CN 201720195221 U CN201720195221 U CN 201720195221U CN 206543876 U CN206543876 U CN 206543876U
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Abstract
The utility model discloses a kind of circulating purifying device of metal 3D printing equipment, including casing, air inlet is provided with above casing, casing top inwall is connected with filter core depression bar, and filter core depression bar bottom is connected with one-level filter core, provided with two grades of filter cores in one-level filter core lower square box, filter core fixed seat is provided with below two grades of filter cores, the cabin below fire-proof motor, two grades of filter cores is provided with filter core fixed seat lower square box and is provided with gas outlet, air inlet is connected with gas outlet by pipeline；One-level filter core, two grades of filter cores in casing are connected with pressure difference sensing module, and pressure difference sensing module is connected with control system；At the corresponding casing of one-level filter core level hatch door is safeguarded provided with one-level filter core, at the corresponding casing of two grades of filter core levels hatch door is safeguarded provided with two grades of filter cores, one-level filter core safeguards that hatch door, two grades of filter cores safeguard that hatch door is used to use when changing filter core and maintenance cycle purifier, and thermovent is provided with below casing.The utility model has the advantages that to improve continuous purification time and energy level.
Description
Technical field
The utility model is related to a kind of circulating purifying device of metal 3D printing equipment.
Background technology
One kind of 3D printing technique, i.e. rapid shaping technique, it is a kind of based on mathematical model file, with powder
Shape metal or plastics etc. can jointing material, come the mode of constructed object by way of successively printing.
And metal 3D printing technique be it is a kind of using metal dust or silk material as the Rapid Manufacturing Technology of printed material, for example directly
Connect metal laser sintering technology, selective laser melting forming technique, selective laser sintering, plasma-deposited etc..In gold
Belong in the 3D printing equipment course of work, a large amount of metal fumeses can be produced, printing device electron gun quality is had undesirable effect, and then
Influence being smoothed out and print quality for print procedure.
To prevent metal fumes from influenceing print quality, metal 3D printing equipment can be furnished with a set of circulating purifying device, use
The air of printing device cabin interior is sucked out and purified by the device, and the air after purification then is returned into printing device
Cabin interior.It is main as follows but existing circulating purifying device lacks in the presence of some：
1. many circulating purifying devices are reequiped by welding cleaner at present, 1 to 2 tubular purification filter is installed in inside
Core, and continuously can only typically use 7 days or so, it is necessary to time-out printing equipment, purifying filter element is changed, production efficiency is reduced,
And may more seriously have impact on product quality.
2. many circulating purifying devices, only first class purification layer, purification energy level are relatively low, for dust size >=1 μm, purification
Efficiency reaches 99%, but for dust size >=1 μm, purification efficiency is essentially 0, so often causes some fine metal cigarettes
Dirt is recycled to metallic print equipment cabin interior, and harmful effect, and some little particle metal powder are produced to electron gun quality
End descends slowly and lightly to piece surface, is likely to result in inside parts defect.
Conventional purge device often leans on experience or sensation, whether changes purifying filter element to judge, this sample loading mode is very inaccurate,
Replacing can cause to waste too early, and replacing may result in too late the safety problems such as filter core detonation occurs, and then causes operating personnel
It is injured.
Utility model content
Utility model purpose：The purpose of this utility model is that there is provided a kind of new in order to solve deficiency of the prior art
Suitable for the circulation purifier of metallic print equipment, continuous purification time and energy level, the stabilization of raising printing device, zero are improved
A kind of circulating purifying device of metal 3D printing equipment of part quality and security.
Technical scheme：A kind of circulating purifying device of metal 3D printing equipment of the utility model, including casing, control system
It is provided with above system, pressure difference sensing module, filter core depression bar, one-level filter core, two grades of filter cores, filter core fixed seat and fire-proof motor, casing
Air inlet, casing top inwall is connected with filter core depression bar, and filter core depression bar bottom is connected with one-level filter core, one-level filter core lower square box
Inside it is provided with to be provided with filter core fixed seat, filter core fixed seat lower square box below two grades of filter cores, two grades of filter cores and is provided with fire-proof motor, two
Cabin below level filter core is provided with gas outlet, and air inlet is connected with gas outlet by pipeline；
One-level filter core, two grades of filter cores in casing are connected with pressure difference sensing module, pressure difference sensing module and control system phase
Even；
Safeguarded at the corresponding casing of one-level filter core level provided with one-level filter core at hatch door, the corresponding casing of two grades of filter core levels
Hatch door is safeguarded provided with two grades of filter cores, one-level filter core safeguards that hatch door, two grades of filter cores safeguard that hatch door is used to change filter core and safeguard to follow
Used during ring purifier, thermovent is provided with below casing.
It is preferred that, one-level filter core is four, and two grades of filter cores are one.
It is preferred that, one-level filter core safeguards that hatch door is two, and two grades of filter cores safeguard that hatch door is one, and thermovent is open type,
Thermovent has two.
It is preferred that, particle diameter >=1 μm of one-level filter core purifying and stive, particle diameter >=0.3 μm of two grades of filter core purifying and stives.
It is preferred that, the alarm pressure difference of pressure difference sensing module is 3.5mbr, the limiting pressure difference of pressure difference sensing module
For 4mbr.
It is preferred that fire-proof motor be VFC motor.
Operation principle：Due to the suction of fire-proof motor, the metallic dust that metal 3D printing equipment comes out, from purification dress
The air inlet put enters, and sequentially passes through one-level filter core, two grades of filter cores and successively purifies, purified gas flows out through gas outlet, only
Gas circulation after change is returned in metal 3D printing equipment, finally realizes circularly purifying.
Application method：In use, choosing an one-level filter core, one-level filter core is safeguarded that hatch door is opened, first by an one-level
Filter core is put into the neck of one-level filter core of box house, is fixed with filter core depression bar, then again by other three one-levels
Filter core is installed.Two grades of filter cores are chosen, two grades of filter cores are safeguarded that hatch door is opened, two grades of filter cores are put into box house
In the neck of two grades of filter cores, the buckle of two grades of filter cores is anchored to above filter core fixed seat.
Beneficial effect：
1. improve continuous purification time and the energy level of printing device, it is ensured that printing device continuously works long hours and electron gun
Steady quality, so as to ensure being smoothed out and product quality for print procedure；
2. the filter core gross decontamination area of four one-level filter cores and two grades of filter cores reaches 180m 2, at least 40 can be continuously used
My god, provide guarantee for the continuous work and product quality of metal 3D printing equipment；
3. particle diameter >=1 μm of one-level filter core purifying and stive, particle diameter >=0.3 μm of two grades of filter core purifying and stives, are greatly carried
High purification energy level, influence of the reduction little particle metal dust to printing device electron gun, and reduce small particle powder descend slowly and lightly to
Product surface, higher guarantee is provided for the product quality of 3D printing；
4. fire-proof motor variable ratio frequency changer is controlled, can regulating air volume according to the actual requirements, fire-proof motor opened wide by two
Formula thermovent is radiated, good heat dissipation effect, while maintenance and repair can also be carried out by thermovent；
5. the pressure difference sensing module that box house is installed, for monitoring one-level filter core cabin and two grades of filter core cabin interiors
Pressure difference value, when pressure difference value reaches during 3.5mbr, control system meeting automatic alarm, and point out that filter core need to be changed；Work as pressure
When difference reaches 4mbr, control system can be automatically stopped fire-proof motor operating, wait filter core to be replaced, solve by artificial experience or
The problem of phenomenon is to judge, improves device security, device intelligence degree, it is ensured that equipment safety and personal safety.
Brief description of the drawings
Fig. 1 is internal structure schematic diagram of the present utility model；
Accompanying drawing number：1- control systems；2- pressure difference sensing modules；3- one-level filter cores；Bis- grades of filter cores of 4-；5- filter core depression bars；
6- air inlets；7- fire-proof motors；11- casings；12- gas outlets；13- filter core fixed seats；14- pipelines.
Embodiment
Embodiment of the present utility model is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages of the present utility model and effect easily.
Embodiment 1, such as Fig. 1, a kind of circulating purifying device of metal 3D printing equipment, including casing 11, control system 1,
On pressure difference sensing module 2, filter core depression bar 5, one-level filter core 3, two grades of filter cores 4, filter core fixed seat 13 and fire-proof motor 7, casing 11
Side is provided with air inlet 6, and the top inwall of casing 11 is connected with filter core depression bar 5, and the bottom of filter core depression bar 5 is connected with one-level filter core 3, one-level
Provided with two grades of filter cores 4 in the lower square box 11 of filter core 3, two grades of lower sections of filter core 4 are provided with filter core fixed seat 13, the lower section of filter core fixed seat 13
Fire-proof motor 7 is provided with casing 11, the cabin of two grades of lower sections of filter core 4 is provided with gas outlet 12, and air inlet 6 passes through with gas outlet 12
Pipeline 14 is connected；
One-level filter core 3, two grades of filter cores 4 in casing 11 are connected with pressure difference sensing module 2, pressure difference sensing module 2 and control
System 1 is connected；
At the corresponding casing 11 of the level of one-level filter core 3 hatch door, the corresponding case of two grades of levels of filter core 4 are safeguarded provided with one-level filter core
Hatch door is safeguarded provided with two grades of filter cores at body 11, the lower section of casing 11 is provided with thermovent.
Further, one-level filter core 3 is four, and two grades of filter cores 4 are one.
Further, one-level filter core safeguards that hatch door is two, and two grades of filter cores safeguard that hatch door is one, and thermovent is unlimited
Formula, thermovent has two.
Further, particle diameter >=1 μm of the purifying and stive of one-level filter core 3, particle diameter >=0.3 μm of two grades of purifying and stives of filter core 4.
Further, the alarm pressure difference of pressure difference sensing module 2 is 3.5mbr, the limiting pressure of pressure difference sensing module 2
Difference is 4mbr.
Further, fire-proof motor 7 is VFC motor.
Operation principle：Due to the suction of fire-proof motor 7, the metallic dust that metal 3D printing equipment comes out, from purification
The air inlet 6 of device enters, and sequentially passes through one-level filter core 3, two grades of filter cores 4 and successively purifies, purified gas is through gas outlet 12
Outflow, purified gas is looped back in metal 3D printing equipment, finally realizes circularly purifying.
Application method：In use, choosing an one-level filter core 3, one-level filter core is safeguarded that hatch door is opened, first by an one-level
Filter core 3 is put into the neck of the one-level filter core 3 inside casing 11, is fixed with filter core depression bar 5, then again by other three
One-level filter core 3 is installed.Two grades of filter cores 4 are chosen, two grades of filter cores are safeguarded that hatch door is opened, two grades of filter cores 4 are put into case
In the neck of two grades of filter cores 4 inside body 11, the buckle of two grades of filter cores 4 is anchored to above filter core fixed seat 13.
In summary, the utility model improves continuous purification time and the energy level of printing device, it is ensured that printing device connects
It is continuous to work long hours and electron gun steady quality, it is ensured that being smoothed out and product quality for print procedure, improve device intelligence
Change degree, it is ensured that equipment safety and personal safety.
Above-mentioned embodiment, only illustrates technical concept of the present utility model and architectural feature, it is therefore intended that allow ripe
Knowing the stakeholder of technique can implement according to this, but above content is not intended to limit protection domain of the present utility model, every
Any equivalent change or modification made according to Spirit Essence of the present utility model, all should fall into protection domain of the present utility model
Within.
Claims (6)
1. a kind of circulating purifying device of metal 3D printing equipment, it is characterised in that：Including casing（11）, control system（1）, pressure
Poor sensing module（2）, filter core depression bar（5）, one-level filter core（3）, two grades of filter cores（4）, filter core fixed seat（13）And fire-proof motor
（7）, the casing（11）Top is provided with air inlet（6）, the casing（11）Top inwall and filter core depression bar（5）It is connected, it is described
Filter core depression bar（5）Bottom and one-level filter core（3）It is connected, the one-level filter core（3）Lower square box（11）Inside it is provided with two grades of filter cores
（4）, two grades of filter cores（4）Lower section is provided with filter core fixed seat（13）, the filter core fixed seat（13）Lower square box（11）Inside set
There is fire-proof motor（7）, two grades of filter cores（4）The cabin of lower section is provided with gas outlet（12）, the air inlet（6）With gas outlet
（12）Pass through pipeline（14）It is connected；
The casing（11）Interior one-level filter core（3）, two grades of filter cores（4）With pressure difference sensing module（2）It is connected, the pressure difference sensing
Module（2）With control system（1）It is connected；
The one-level filter core（3）The corresponding casing of level（11）Hatch door, two grades of filter cores are safeguarded provided with one-level filter core in place（4）Water
Put down corresponding casing（11）Hatch door, the casing are safeguarded provided with two grades of filter cores in place（11）Lower section is provided with thermovent.
2. a kind of circulating purifying device of metal 3D printing equipment according to claim 1, it is characterised in that：The one-level
Filter core（3）For four, two grades of filter cores（4）For one.
3. a kind of circulating purifying device of metal 3D printing equipment according to claim 1 or 2, it is characterised in that：It is described
One-level filter core safeguards that hatch door is two, and two grades of filter cores safeguard that hatch door is one, and the thermovent is open type, the radiating
Mouth has two.
4. a kind of circulating purifying device of metal 3D printing equipment according to claim 1, it is characterised in that：The one-level
Filter core（3）Particle diameter >=1 μm of purifying and stive, two grades of filter cores（4）Particle diameter >=0.3 μm of purifying and stive.
5. a kind of circulating purifying device of metal 3D printing equipment according to claim 1, it is characterised in that：The pressure difference
Sensing module（2）Alarm pressure difference be 3.5mbr, the pressure difference sensing module（2）Limiting pressure difference be 4mbr.
6. a kind of circulating purifying device of metal 3D printing equipment according to claim 1, it is characterised in that：It is described explosion-proof
Motor（7）For VFC motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195221.8U CN206543876U (en) | 2017-03-02 | 2017-03-02 | A kind of circulating purifying device of metal 3D printing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720195221.8U CN206543876U (en) | 2017-03-02 | 2017-03-02 | A kind of circulating purifying device of metal 3D printing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206543876U true CN206543876U (en) | 2017-10-10 |
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ID=59995497
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720195221.8U Active CN206543876U (en) | 2017-03-02 | 2017-03-02 | A kind of circulating purifying device of metal 3D printing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807325A (en) * | 2019-03-21 | 2019-05-28 | 南京铖联激光科技有限公司 | A kind of pushing fixed structure and 3D printing equipment external filter element application |
| CN113950388A (en) * | 2019-07-03 | 2022-01-18 | 德瑞柯特金属3D有限公司 | Multimode laser device for metal fabrication applications |
-
2017
- 2017-03-02 CN CN201720195221.8U patent/CN206543876U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109807325A (en) * | 2019-03-21 | 2019-05-28 | 南京铖联激光科技有限公司 | A kind of pushing fixed structure and 3D printing equipment external filter element application |
| CN113950388A (en) * | 2019-07-03 | 2022-01-18 | 德瑞柯特金属3D有限公司 | Multimode laser device for metal fabrication applications |
| CN113950388B (en) * | 2019-07-03 | 2024-04-19 | 德瑞柯特金属3D有限公司 | Multimode laser device for metal fabrication applications |
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