CN105195741B - EGR and method are reclaimed in increasing material manufacturing equipment powder automatic drying screening - Google Patents
EGR and method are reclaimed in increasing material manufacturing equipment powder automatic drying screening Download PDFInfo
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- CN105195741B CN105195741B CN201510708671.8A CN201510708671A CN105195741B CN 105195741 B CN105195741 B CN 105195741B CN 201510708671 A CN201510708671 A CN 201510708671A CN 105195741 B CN105195741 B CN 105195741B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
EGR and method are reclaimed the invention provides a kind of increasing material manufacturing equipment powder automatic drying screening, it is located at the both sides of formation cylinder (3) respectively including formation cylinder (3), two powder circulation subsystems, and two powder circulation subsystems；Wherein, powder circulation subsystem includes：Powder irradiation modules, Powder Recovery cylinder (6), explosion-proof device for inhaling powdery substances (11), Chu Fenxiang (13), powder enter Powder Recovery cylinder (6) after being dried through powder irradiation modules；The explosion-proof device for inhaling powdery substances (11) pumps the powder in Powder Recovery cylinder (6) to storage powder case (13)；Powder is laid on processing platform (2) by the storage powder case (13), and after part is machined, unnecessary powder is returned in Powder Recovery cylinder (6) by accumulator tank (5) on processing platform (2).Method in the present invention reduces powder in the contact of external environment condition, it is to avoid the pollution of dust, hair and oil stain etc., advantageously ensures that the quality of increasing material manufacturing drip molding.
Description
Technical field
The present invention relates to increases material manufacturing technology field, in particular it relates to a kind of increasing material manufacturing equipment based on powdering mode
The automatic drying of middle powder, screening, reclaim and recycling plant and method.
Background technology
Increases material manufacturing technology, is a kind of emerging manufacturing technology.It is to be based on dispersed material successively stack shaping principle, according to
According to product three-dimensional CAD model, successively accumulate product prototype or parts by material.With high flexible, personalized spy
Point, is current manufacturing frontier development.
Increases material manufacturing technology based on powdering using supplementary structure and bulky powder due to that, as support, therefore can make
The part of almost arbitrary shape is made, it is of greatest concern in numerous increases material manufacturing technologies.Its basic functional principle is in working cylinder
The interior certain thickness powder of tiling, according to the control of computer, high energy beam (laser or electron beam etc.) is pressed by way of scanning
According to three-dimensional parts figure slicing treatment result optionally melt, sinter fore-put powder layer.Subsequent working cylinder declines one
Slice thickness and again powdering, it is next that high energy beam completes parts under the drive of scanning system again according to 3 D graphic data
The manufacture of layer.The processes such as powdering, high energy beam scanning and working cylinder decline are so repeated, so as to realize the overall system of three-dimensional parts
Make.
At present, the increasing material manufacturing equipment based on powdering mode has two kinds of structure type to realize the supply of powder：One kind is storage
The top powder mode of powder cylinder from bottom to top, another is the top-down powder falling mode of material storing box.Push up powder mode and there is processing for powder
During can not add powder, the problem of amount of powder of needs must be calculated before processing, this mode be applied to small-sized increasing material system
Manufacturing apparatus.And the powder feeding of powder falling mode can constantly add powder in process, it is adaptable to large-scale increasing material manufacturing equipment.
However, the characteristics of due to increases material manufacturing technology, the manufacturing process of part is most important to product quality, above two
Need manually to dry powder, sieve powder before the increasing material manufacturing equipment processing of powder supplies mode and in processing, manual recovery needed after processing,
Powder can be caused to pollute unavoidably in these courses of work, the quality of influence processing part.
According to above mentioned problem, the method that one Powder Recovery of invention, drying and sieve powder are recycled realizes the closing of powder
Formula automatic control process, reduces the artificial pollution to powder, important for having for ensureing the quality of increasing material manufacturing product
Meaning.
Currently without the explanation or report for finding technology similar to the present invention, money similar both at home and abroad is also not yet collected into
Material.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of increasing material manufacturing equipment powder automatic drying-
Screening-recovery EGR and method.
Powder automatic drying-screening-recovery EGR is equipped in the increasing material manufacturing provided according to the present invention, including：Shaping
Cylinder, two powder circulation subsystems, and described two powder circulation subsystems are located at the both sides of formation cylinder respectively；Wherein, powder
Cycle subsystem includes：Powder irradiation modules, Powder Recovery cylinder, explosion-proof device for inhaling powdery substances, Chu Fenxiang, powder is through powder irradiation modules
Enter Powder Recovery cylinder after drying；The explosion-proof device for inhaling powdery substances pumps the powder in Powder Recovery cylinder to storage powder case；The storage
Powder is laid on processing platform by powder case, after part is machined, and unnecessary powder is returned by accumulator tank on processing platform
Into Powder Recovery cylinder.
Preferably, the powder irradiation modules include：Add powder drying box, agitating device, infrared heating device, the stirring
Device, which is located at, to be added in powder drying box, and the infrared heating device, which is arranged on, to be added around powder drying box；Powder adds by entering powder funnel
Add to and add in powder drying box.
Preferably, described add is additionally provided with powder entering valve, powder output valve, intake valve, air outlet valve, temperature and humidity sensing on powder drying box
Device；The powder entering valve is arranged on into powder funnel and the connectivity part for adding powder drying box, the powder output valve be arranged on add powder drying box with
The connectivity part of Powder Recovery cylinder, the intake valve, air outlet valve are arranged on the upper position for adding powder drying box；The temperature and humidity sensing
Device is used to detect the temperature and humidity value added in powder drying box.
Preferably, in addition to ultrasonic activation sieve, ultrasonic activation sieve is arranged on above storage powder case, anti-for sieving
The powder that quick-fried device for inhaling powdery substances is pumped.
Preferably, the processing platform can move up and down along the inwall of formation cylinder, one end of the accumulator tank and powder
Last recovery tank connection, another end opening of the accumulator tank is fitted with the outer wall of formation cylinder；
When processing part, the groove of formation cylinder is along upper edge of the position higher than another end opening of the accumulator tank, and processing is flat
Platform declines successively, and the powder in storage powder case is successively laid on processing platform；
After the part in formation cylinder is machined, formation cylinder declines, and now the groove of formation cylinder is reclaimed along position with described
The lower edge engagement of another end opening of groove, processing platform rises successively, then powder unnecessary on processing platform is slipped into from accumulator tank
In Powder Recovery cylinder.
Powder automatic drying-screening-recovery round-robin method is equipped according to the increasing material manufacturing that provides of the present invention, using above-mentioned
Increasing material manufacturing equipment powder automatic drying-screening-recovery EGR is realized, is comprised the following steps：Add powder and powder is dry
Dry step, powder circulation and screening step, part procedure of processing, Powder Recovery step.
Preferably, the addition powder and powder drying steps include：
Step A1：The intake valve, air outlet valve and powder output valve that add on powder drying box are closed；
Step A2：Powder entering valve is opened, starting powder is poured into by entering powder funnel and added in powder drying box；
Step A3：Powder entering valve is closed, intake valve and air outlet valve is opened；
Step A4：Agitating device and infrared heating device are opened, place is thermally dried to adding the powder in powder drying box
Reason；
Step A5：It is outside after the warm and humid angle value for adding the collection of the Temperature Humidity Sensor inside powder drying box reaches setting value
Control software sends opening powder output valve instruction according to the value of feedback of the Temperature Humidity Sensor, and powder output valve is opened, and powder is poured into back
Receive in cylinder.
Preferably, the powder circulation and screening step include：
Step B1：When sensor in storage powder case detects amount of powder less than setting value, open powder falling valve and take out powder valve；
Step B2：Explosion-proof device for inhaling powdery substances is opened, the powder in recovery tank is pumped in explosion-proof device for inhaling powdery substances；
Step B3：Powder in explosion-proof device for inhaling powdery substances is quantitatively fallen by switch valve on ultrasonic activation sieve, opens ultrasound
Ripple vibratory sieve, the powder screened out is fallen into storage powder case；
Step B4：When sensor in storage powder case detects amount of powder more than setting value, stop explosion-proof device for inhaling powdery substances and super
Acoustic vibration is sieved, and is completed the screening of the powder circulation in recovery tank and is used；Setting value is also not reaching to when storing up powder in powder case, and is returned
Receiving in cylinder does not have powder, then sends alarm, points out addition new powder.
Preferably, the part procedure of processing includes：
Step C1：Processing platform declines a thickness according to the instruction of outside control software；
Step C2：Left side storage powder case falls the powder of set amount, and powder is laid down on processing platform by scraper；
Step C3：X-Y scheme information after high energy beam is layered according to three-dimensional part model is carried out after selective melting powder
Just accumulation forms one layer of part；
Step C4：Processing platform declines a thickness again；
Step C5：Right side storage powder case falls the powder of set amount, and powder is laid down on processing platform by scraper；
Step C6：X-Y scheme information after high energy beam is layered according to three-dimensional part model is carried out after selective melting powder
One layer of part has been accumulated again.
Preferably, the Powder Recovery step includes：
Step D1：Open powder falling valve and recovery valve；
Step D2：Formation cylinder drops to the lower edge of another end opening of accumulator tank, and processing platform rises；
Step D3：With the rising of processing platform, the unnecessary powder of part surrounding enters Powder Recovery cylinder by accumulator tank
In；
Step D4：Opening takes out powder valve and explosion-proof device for inhaling powdery substances, and the powder in Powder Recovery cylinder is sucked into explosion-proof device for inhaling powdery substances
In；
Step D5：By human assistance, the powder in the powder and formation cylinder of inside parts is thoroughly removed to clean, completion
The recovery of powder.
Compared with prior art, the present invention has following beneficial effect：
1st, starting powder need to only be poured into and added in powder drying box i.e. in whole increasing material manufacturing process by the method in the present invention
Can, it is no longer necessary to powder is screened respectively, dried and reclaimed, powder is reduced in the contact of external environment condition, it is to avoid
The pollution of dust, hair and oil stain etc., advantageously ensures that the quality of increasing material manufacturing drip molding.
2nd, device the automatically controlling by control software implementation process in the present invention, has powder in storage powder case and recovery tank
Amount detection feedback device, is provided with Temperature and Humidity feedback device in powder drying box is added；Control software is by detecting the said equipment
Feedback signal automatically control powder drying time, whether to start explosion-proof device for inhaling powdery substances and inhale powder, whether to start ultrasonic wave and shake
Dynamic sieve sieve powder etc., improves production efficiency.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 equips the structural representation of powder automatic drying-screening-recovery EGR for the increasing material manufacturing that the present invention is provided
Figure；
Fig. 2 equips powder automatic drying-screening-recovery EGR Powder Recovery shape for the increasing material manufacturing that the present invention is provided
State schematic diagram；
In figure：
1- high energy beams；
2- processing platforms；
3- formation cylinders；
4- parts；
5- accumulator tanks；
6- Powder Recovery cylinders；
7- agitating devices；
8- adds powder drying box；
9- infrared heating devices；
10- enters powder funnel；
The explosion-proof device for inhaling powdery substances of 11-；
12- ultrasonic activations are sieved；
13- stores up powder case.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
The present invention the process that implements be：
Powder is added and drying process：
Step A1：Intake valve, air outlet valve and powder output valve are closed；
Step A2：Powder entering valve is opened, starting powder is poured into by entering powder funnel 10 and added in powder drying box 8；
Step A3：Powder entering valve is closed, intake valve and air outlet valve is opened；
Step A4：Open agitating device 7 and infrared heating device 9；
Step A5：The Hygrothermograph feedback information of inside is treated, control software can automatically open up powder output valve, powder is poured into back
Receive in cylinder 6, complete the addition of new powder and dry work.
Powder circulation and screening process：
Step B1：When storing up the sensor feedback amount of powder in powder case 13 less than setting value, powder falling valve will be opened and powder is taken out
Valve；
Step B2：Explosion-proof device for inhaling powdery substances 11 is opened, the powder in recovery tank 6 is drawn onto in explosion-proof device for inhaling powdery substances 11；
Step B3：Powder is quantitatively fallen into by switch valve in ultrasonic activation sieve 12 in explosion-proof device for inhaling powdery substances 11, and is opened
Ultrasonic activation sieve 12, dry powder sieving is fallen into well in storage powder case 13；
Step B4：When storing up the sensor feedback amount of powder in powder case 13 more than certain setting value, just stop explosion-proof device for inhaling powdery substances
11 and ultrasonic activation sieve 12, complete recovery tank 6 in powder circulation screening use；When powder is also not reaching in storage powder case 13
Setting value, and there is no powder in recovery tank 6, at this moment system can alarm, and point out addition new powder.
The process of part：
Step C1：The supply of powder when part is processed is automatically controlled by software, processing platform 2 declines a thickness；
Step C2：Left storage powder case falls the powder of set amount, and powder is laid down on processing platform 2 by scraper；
Step C3：X-Y scheme information after high energy beam 1 is layered according to three-dimensional part model carries out selective melting powder
One layer of part 4 has just been accumulated afterwards；
Step C4：Processing platform 2 declines a thickness again；
Step C5：Right storage powder case falls the powder of set amount, and powder is laid down on processing platform by scraper；
Step C6：X-Y scheme information after high energy beam 1 is layered according to three-dimensional part model carries out selective melting powder
One layer of part 4 is accumulated again afterwards；
Step I：Repeat step C1 to step C6, completes the processing of whole part 4.
In the process of part, software automatic control system can be detected and controlled in real time to the amount of powder for storing up powder case 13
Powder addition and automatic cycle and the screening of powder, it is ensured that the supply of powder.
The removal process of powder：
When part is machined, temperature is reduced to room temperature, the recovery of start powder in formation cylinder 3；Including：
Step D1：Open powder falling valve and recovery valve；
Step D2：Formation cylinder 3 drops to accumulator tank lower edge, and processing platform 2 rises；
Step D3：With the rising of processing platform 2, the unnecessary powder of part surrounding enters automatically by accumulator tank 5 to be reclaimed
In cylinder 6；
Step D4：Opening takes out powder valve and explosion-proof device for inhaling powdery substances 11, and the powder in recovery tank 6 is sucked into explosion-proof device for inhaling powdery substances 11
In；
Step D5：By human assistance, the powder in the powder inside part 4 and formation cylinder 3 is thoroughly removed totally, it is complete
Into the recovery of powder.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (9)
1. powder automatic drying-screening-recovery EGR is equipped in a kind of increasing material manufacturing, it is characterised in that including：Formation cylinder
(3), two powder circulation subsystems, and described two powder circulation subsystems are located at the both sides of formation cylinder (3) respectively；Wherein,
Powder circulation subsystem includes：Powder irradiation modules, Powder Recovery cylinder (6), explosion-proof device for inhaling powdery substances (11), Chu Fenxiang (13), powder
End enters Powder Recovery cylinder (6) after being dried through powder irradiation modules；The explosion-proof device for inhaling powdery substances (11) is by Powder Recovery cylinder (6)
Powder pump to storage powder case (13)；Powder is laid on processing platform (2) by the storage powder case (13), when part is machined
Afterwards, powder unnecessary on processing platform (2) is returned in Powder Recovery cylinder (6) by accumulator tank (5), the powder irradiation modules bag
Include：Add powder drying box (8), agitating device (7), infrared heating device (9), the agitating device (7), which is located at, adds powder drying box (8)
Interior, the infrared heating device (9), which is arranged on, to be added around powder drying box (8)；Powder adds powder by entering powder funnel (10)
In drying box (8).
2. powder automatic drying-screening-recovery EGR is equipped in increasing material manufacturing according to claim 1, its feature exists
In described add is additionally provided with powder entering valve, powder output valve, intake valve, air outlet valve, Temperature Humidity Sensor on powder drying box (8)；It is described enter
Powder valve is arranged on into powder funnel (10) and the connectivity part for adding powder drying box (8), the powder output valve be arranged on add powder drying box (8) with
The connectivity part of Powder Recovery cylinder (6), the intake valve, air outlet valve are arranged on the upper position for adding powder drying box (8)；It is described warm and humid
Degree sensor adds the temperature and humidity value in powder drying box (8) for detection.
3. powder automatic drying-screening-recovery EGR is equipped in increasing material manufacturing according to claim 1, its feature exists
In, in addition to ultrasonic activation sieve (12), the ultrasonic activation sieve (12) is arranged on above Chu Fenxiang (13), anti-for sieving
The powder that quick-fried device for inhaling powdery substances (11) is pumped.
4. powder automatic drying-screening-recovery EGR is equipped in increasing material manufacturing according to claim 1, its feature exists
In the processing platform (2) can be moved up and down along the inwall of formation cylinder (3), and one end and the powder of the accumulator tank (5) are returned
Cylinder (6) connection is received, another end opening of the accumulator tank (5) is fitted with the outer wall of formation cylinder (3)；
When processing part, the groove of formation cylinder (3) is processed along upper edge of the position higher than another end opening of the accumulator tank (5)
Platform (2) declines successively, and the powder in Chu Fenxiang (13) is successively laid on processing platform (2)；
After the part (4) in formation cylinder (3) is machined, formation cylinder (3) decline, now the groove of formation cylinder (3) along position with
The lower edge engagement of another end opening of the accumulator tank (5), processing platform (2) rises successively, then unnecessary on processing platform (2)
Powder is slipped into Powder Recovery cylinder (6) from accumulator tank (5).
5. powder automatic drying-screening-recovery round-robin method is equipped in a kind of increasing material manufacturing, it is characterised in that utilize claim 1
Described increasing material manufacturing equipment powder automatic drying-screening-recovery EGR is realized, is comprised the following steps：Add powder and
Powder drying steps, powder circulation and screening step, part procedure of processing, Powder Recovery step.
6. powder automatic drying-screening-recovery round-robin method is equipped in increasing material manufacturing according to claim 5, its feature exists
In the addition powder and powder drying steps include：
Step A1：Intake valve, air outlet valve and the powder output valve that will add on powder drying box (8) are closed；
Step A2：Powder entering valve is opened, starting powder is poured into by entering powder funnel (10) and added in powder drying box (8)；
Step A3：Powder entering valve is closed, intake valve and air outlet valve is opened；
Step A4：Agitating device (7) and infrared heating device (9) are opened, it is dry to adding the progress heating of the powder in powder drying box (8)
Dry processing；
Step A5：After the warm and humid angle value for adding the internal Temperature Humidity Sensor collection of powder drying box (8) reaches setting value, outside control
Software processed sends opening powder output valve instruction according to the value of feedback of the Temperature Humidity Sensor, and powder output valve is opened, and powder pours into recovery
In cylinder (6).
7. powder automatic drying-screening-recovery round-robin method is equipped in increasing material manufacturing according to claim 5, its feature exists
In the powder circulation and screening step include：
Step B1：When sensor in storage powder case (13) detects amount of powder less than setting value, open powder falling valve and take out powder valve；
Step B2：Explosion-proof device for inhaling powdery substances (11) is opened, the powder in recovery tank (6) is pumped in explosion-proof device for inhaling powdery substances (11)；
Step B3：Powder in explosion-proof device for inhaling powdery substances (11) is quantitatively fallen by switch valve on ultrasonic activation sieve (12), is opened
Ultrasonic activation sieves (12), and the powder screened out is fallen into Chu Fenxiang (13)；
Step B4：When sensor in storage powder case (13) detects amount of powder more than setting value, stop explosion-proof device for inhaling powdery substances (11)
(12) are sieved with ultrasonic activation, the screening of the powder circulation in recovery tank (6) is completed and uses；When there there is no powder also in Chu Fenxiang (13)
Reach in setting value, and recovery tank (6) there is no powder, then send alarm, point out addition new powder.
8. powder automatic drying-screening-recovery round-robin method is equipped in increasing material manufacturing according to claim 5, its feature exists
In the part procedure of processing includes：
Step C1：Processing platform (2) declines a thickness according to the instruction of outside control software；
Step C2：Left side storage powder case (13) falls the powder of set amount, and powder is laid down on processing platform (2) by scraper；
Step C3：X-Y scheme information after high energy beam (1) is layered according to three-dimensional part model is carried out after selective melting powder
Just accumulation forms one layer of part (4)；
Step C4：Processing platform (2) declines a thickness again；
Step C5：Right side storage powder case (13) falls the powder of set amount, and powder is laid down on processing platform by scraper；
Step C6：X-Y scheme information after high energy beam (1) is layered according to three-dimensional part model is carried out after selective melting powder
One layer of part (4) has been accumulated again.
9. powder automatic drying-screening-recovery round-robin method is equipped in increasing material manufacturing according to claim 5, its feature exists
In the Powder Recovery step includes：
Step D1：Open powder falling valve and recovery valve；
Step D2：Formation cylinder (3) drops to the lower edge of accumulator tank (5) another end opening, and processing platform (2) rises；
Step D3：With the rising of processing platform (2), the unnecessary powder of part surrounding enters Powder Recovery by accumulator tank (5)
In cylinder (6)；
Step D4：Opening takes out powder valve and explosion-proof device for inhaling powdery substances (11), by the explosion-proof suction powder dress of powder suction in Powder Recovery cylinder (6)
Put in (11)；
Step D5：By human assistance, the powder in part (4) internal powder and formation cylinder (3) is thoroughly removed totally, it is complete
Into the recovery of powder.
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| CN201510708671.8A CN105195741B (en) | 2015-10-27 | 2015-10-27 | EGR and method are reclaimed in increasing material manufacturing equipment powder automatic drying screening |
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|---|---|---|---|
| CN201510708671.8A CN105195741B (en) | 2015-10-27 | 2015-10-27 | EGR and method are reclaimed in increasing material manufacturing equipment powder automatic drying screening |
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| CN105195741B true CN105195741B (en) | 2017-09-29 |
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