CN207043340U - Powdering precise control device for laser fast shaping equipment - Google Patents
Powdering precise control device for laser fast shaping equipment Download PDFInfo
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- CN207043340U CN207043340U CN201720901129.9U CN201720901129U CN207043340U CN 207043340 U CN207043340 U CN 207043340U CN 201720901129 U CN201720901129 U CN 201720901129U CN 207043340 U CN207043340 U CN 207043340U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
Powdering precise control device for laser fast shaping equipment, belong to laser fast shaping, laser measurement field, it is connected including scraper motion controller, scraper height adjuster, powdering scraper, laser displacement sensor, guide rail, moulding cylinder, powdering substrate, powdering substrate motion controller, powder feeding cylinder, powder feeding substrate, powder feeding substrate motion controller, recovery tank, shaping panel and supporting plate, wherein scraper motion controller, scraper height adjuster, laser displacement sensor, powdering substrate motion controller and powder feeding substrate motion controller with industrial computer.The powder feeding of laser fast shaping equipment and powdering can be used for using device provided by the utility model, and utilize laser measuring technique, accurate measurement position, by installing laser displacement sensor on powdering scraper, accurate measurement powdering scraper and powdering substrate spacing, the caused influence different with powdering substrate thickness of motion backhaul difference is eliminated, powder layer thickness is accurately controlled, improves part processing precision.
Description
Technical field
The utility model belongs to laser fast shaping, laser measurement field, and it is rapid-result soon to be used for laser more particularly to one kind
The powdering precise control device of type equipment.
Background technology
Rapid shaping, it is a kind of quick manufacture using " Layered manufacturing, superposition shaping " principle.It passes through computer
Software is aided in, and designed part is carried out into a series of digital " sections ", and these slice informations are sent on former,
Material is continuously stacked up and solidified from the bottom to top by " hierarchy slicing ", until a solid body is molded.
Compared with conventional fabrication processes, rapid shaping technique can be according to design, just can be straight without machining or mould
The object that any shape is generated from computer graphics data is connect, easily realizes that personalized customization is processed；Part design need not
It can be realized dependent on processing technology again；With one-shot forming quick manufacture, the multiple working procedure of traditional handicraft can be eliminated, shortened
Production cycle of product, improve productivity ratio；The unconventional Subtraction method using method of addition, saves raw material, does not have substantially
Discarded object is produced, and new vitality is brought for manufacturing industry revolution.
With the development of laser technology, research has been increasingly becoming for the laser fast shaping equipment of machining tool using laser
Focus.Rapid laser-shaping technique, it is to utilize under superlaser effect, metal dust Flashmelt is fast after cooling
The principle of speed solidification, layer by layer accumulation mold the rapid shaping technique of 3D solid.According to layering of the computer software to model
Slice information, laser beam act on the powder in region to be formed, after one layer scanned, powdering base under scanning system control
Plate declines a thickness distance, and the powder that powder feed system and powdering scraper sprawl a thickness is deposited on molded layer, is repeated
Above-mentioned forming process, until the slicing layer of all threedimensional models is all scanned, after removing excessive powder, obtain forming metal
Part.
Laser fast shaping equipment belongs to precise machining equipment, to laser parameter, automaticity, mechanical movement precision,
Processing environment and human-computer interaction function have very high requirement.Equipment is using metal dust as raw material, and precision of powder laying is to processing zero
Part precision has a major impact.By the shadow of many factors such as motion controller precision, mechanical moving structure backhaul difference and powder diameter
Ring, how to improve and control laser fast shaping equipment precision of powder laying is all the problem for perplexing researcher all the time.
Utility model content
Technical problem to be solved in the utility model：There is provided and accurately control dress for the powdering of laser fast shaping equipment
Put, the present apparatus can be used for the powder feeding of laser fast shaping equipment and powdering process and accurately control powder layer thickness, and then improve laser
Rapid forming equipment processes the precision of part.
The technical solution adopted in the utility model：For the powdering precise control device of laser fast shaping equipment, it is special
Sign is：Including scraper motion controller, scraper height adjuster, powdering scraper, laser displacement sensor, guide rail, moulding cylinder, paving
Powder substrate, powdering substrate motion controller, powder feeding cylinder, powder feeding substrate, powder feeding substrate motion controller, recovery tank, shaping panel
And supporting plate, the scraper motion controller move back and forth for linear motion controller and along guide rail under current control；It is described
Scraper height adjuster lower surface is connected by screw with scraper motion controller upper surface；The powdering scraper cross section is L
Shape, it is connected by screw with scraper height adjuster upper surface；The laser displacement sensor passes through screw and powdering scraper
Connection；The guide rail is arranged on shaping panel upper surface by screw；The upper end of the powdering substrate motion controller passes through spiral shell
Silk and powdering substrate connection；The upper end of the powder feeding substrate motion controller passes through screw and powder feeding substrate connection；The powdering
Substrate is arranged in moulding cylinder, and powdering substrate edges are contacted by lubricant medium with the casing wall of moulding cylinder, and it is along moulding cylinder
Casing wall moves up and down；The powder feeding substrate is arranged in powder feeding cylinder, and powder feeding substrate edges pass through lubricant medium and the cylinder of powder feeding cylinder
Wall contacts, and its casing wall along powder feeding cylinder moves up and down；Edge and powdering panel upper surface on the moulding cylinder, powder feeding cylinder and recovery tank
Concordantly, moulding cylinder, powder feeding cylinder and recovery tank are connected with shaping panel, and wherein recovery tank is that detachable fastening connects with shaping panel
Connect；The powdering substrate motion controller and powder feeding substrate motion controller are connected by screw with supporting plate respectively；
Wherein scraper motion controller, scraper height adjuster, laser displacement sensor, powdering substrate motion controller and
Powder feeding substrate motion controller is connected with industrial computer.
Further, the scraper motion controller is electronic slide unit, movement velocity 100mm/s.
Further, the laser displacement sensor is high accuracy displacement sensor, measuring accuracy<1μm.
Further, the moulding cylinder and powder feeding cylinder are welded on powdering panel.
Further, the moulding cylinder and powder feeding cylinder by screw connection on powdering panel.
Further, the moulding cylinder and powder feeding cylinder are connected with powdering panel fastener respectively.
Further, the powdering substrate motion controller and powder feeding substrate motion controller are electric cylinders, kinematic accuracy<10μ
m。
Further, the recovery tank passes through screw connection with shaping panel.
Further, the recovery tank is connected with shaping panel fastener.
By above-mentioned design, the utility model can bring following beneficial effect：The utility model proposes for
The powdering precise control device of laser fast shaping equipment, the utility model can be used for the powder feeding of laser fast shaping equipment and powdering
Process, it is accurate to measure distance between powdering scraper and powdering substrate using laser displacement sensor, it is rapid-result soon laser can be fed back to
Type equipment industrial computer, calculates and transmits instruction by control software, and industrial computer control scraper motion controller, scraper are highly adjusted
Device, powdering substrate motion controller, powder feeding substrate motion controller, accurate adjustment is made, it is poor to eliminate the backhaul of forming moving mechanism
Influenceed caused by different with powdering substrate thickness, so as to accurately control powder layer thickness, and then improve laser fast shaping equipment
Process the precision of part.
Brief description of the drawings
Below in conjunction with brief description of the drawings, the utility model is described in further detail with embodiment：
Fig. 1 is the powdering precise control device schematic side view that the utility model is used for laser fast shaping equipment.
Fig. 2 is the powdering precise control device schematic top plan view that the utility model is used for laser fast shaping equipment.
In figure：1- scrapers motion controller, 2- scrapers height adjuster, 3- powderings scraper, 4- laser displacement sensors, 5-
Guide rail, 6- moulding cylinders, 7- powderings substrate, 8- powdering substrate motions controller, 9- powder feeding cylinders, 10- powder feedings substrate, 11- powder feeding bases
Plate motion controller, 12- recovery tanks, 13- shapings panel, 14- supporting plates.
Embodiment
The utility model proposes a kind of powdering precise control device for laser fast shaping equipment, such as Fig. 1 and figure
Shown in 2, including scraper motion controller 1, scraper height adjuster 2, powdering scraper 3, laser displacement sensor 4, guide rail 5, into
Type cylinder 6, powdering substrate 7, powdering substrate motion controller 8, powder feeding cylinder 9, powder feeding substrate 10, powder feeding substrate motion controller 11,
Recovery tank 12, shaping panel 13 and supporting plate 14, the scraper motion controller 1 is for linear motion controller and in current control
It is lower to be moved back and forth along guide rail 5；The lower surface of scraper height adjuster 2 is connected by screw and the upper surface of scraper motion controller 1
Connect；The cross section of powdering scraper 3 is L-shaped, and it is connected by screw with the upper surface of scraper height adjuster 2；The laser position
Displacement sensor 4 is connected by screw with powdering scraper 3；The guide rail 5 is arranged on shaping panel 13 upper surface by screw, wherein
One end of guide rail 5 is powder feeding end, and the other end of guide rail 5 is receipts powder end；The upper end of the powdering substrate motion controller 8 passes through spiral shell
Silk is connected with powdering substrate 7；The upper end of the powder feeding substrate motion controller 11 is connected by screw with powder feeding substrate 10；It is described
Powdering substrate 7 is arranged in moulding cylinder 6, and the edge of powdering substrate 7 is contacted by lubricant medium with the casing wall of moulding cylinder 6, its edge
The casing wall of moulding cylinder 6 moves up and down；The powder feeding substrate 10 is arranged in powder feeding cylinder 9, and the edge of powder feeding substrate 10 is situated between by lubricating
Matter contacts with the casing wall of powder feeding cylinder 9, and its casing wall along powder feeding cylinder 9 moves up and down；The moulding cylinder 6, powder feeding cylinder 9 and recovery tank 12
Upper edge is concordant with the upper surface of powdering panel 13, and moulding cylinder 6, powder feeding cylinder 9 and recovery tank 12 are connected with shaping panel 13, wherein returning
Cylinder 12 is received to be fastenedly connected for detachable with shaping panel 13；The powdering substrate motion controller 8 and the control of powder feeding substrate motion
Device 11 is connected by screw with supporting plate 14 respectively；
Wherein scraper motion controller 1, scraper height adjuster 2, laser displacement sensor 4, the control of powdering substrate motion
Device 8 and powder feeding substrate motion controller 11 are connected with industrial computer.
The scraper motion controller 1 is electronic slide unit, movement velocity 100mm/s.
The laser displacement sensor 4 is high accuracy displacement sensor, measuring accuracy<1μm.
The moulding cylinder 6 and powder feeding cylinder 9 are welded on powdering panel 13.
The moulding cylinder 6 and powder feeding cylinder 9 are by screw connection on powdering panel 13.
The moulding cylinder 6 and powder feeding cylinder 9 snap connection with powdering panel 13 respectively.
The powdering substrate motion controller 8 and powder feeding substrate motion controller 11 are electric cylinders, kinematic accuracy<10 μm.
The recovery tank 12 passes through screw connection with shaping panel 13.
The recovery tank 12 snaps connection with shaping panel 13.
The shaping panel 13 is connected with laser fast shaping equipment supporter, and scraper motion controller 1, scraper are highly adjusted
Section device 2, powdering scraper 3, laser displacement sensor 4, guide rail 5, moulding cylinder 6, powder feeding cylinder 9 and recovery tank 12 play a supportive role.
The supporting plate 14 is connected with laser fast shaping equipment supporter, to powdering substrate 7, powdering substrate motion controller
8th, powder feeding substrate 10 and powder feeding substrate motion controller 11 play a supportive role.
It is for the laser rapid forming equipment power spreading device course of work：
Step 1: presetting initial position, the initial position of powdering scraper 3 is located at the powder feeding end of guide rail 5；Powdering substrate 7
It is concordant with shaping panel 13；Powder feeding substrate 10 is located at the bottom of powder feeding cylinder 9；Metal dust is filled with powder feeding cylinder 9, passes through regulation
Scraper height adjuster 2, metal dust top are concordant with its lower edge of powdering scraper 3；
Step 2: powdering substrate 7 declines necessarily under the control of powdering substrate motion controller 8 along the casing wall of moulding cylinder 6
Distance h1, make the upper surface of powdering substrate 7 and its lower edge of powdering scraper 3 that there is predetermined vertical range h2；Powdering scraper 3 now exists
Moved under the control of scraper motion controller 1 along guide rail 5 from powder feeding end to powder end is received, powdering scraper 3 is located at the top of powdering substrate 7
When, laser displacement sensor 4 measures its lower edge of powdering scraper 3 and the upper surface actual range of powdering substrate 7, and will measure
Actual range and predetermined vertical range h2Between control information pass to industrial computer, industrial computer receives control information and is computed
Control information is fed back into powdering substrate motion controller 8 after analysis, while is sent to powdering substrate motion controller 8 and promotes paving
The operational order that powder substrate 7 moves up and down, powdering substrate motion controller 8 receive the control information that is sent to of industrial computer and
The operational order for promoting powdering substrate 7 to move up and down, and perform, make powdering scraper 3 with the actual range of powdering substrate 7 with making a reservation for
Vertical range h2Error reduces, and powdering scraper 3 now returns to powder feeding end under the control of scraper motion controller 1 along guide rail 5；Paving
Powder scraper 3 moves from powder feeding end to powder end is received again under the control of scraper motion controller 1 along guide rail 5, powdering scraper 3
When above powdering substrate 7, laser displacement sensor 4 measure its lower edge of powdering scraper 3 and the upper surface of powdering substrate 7 it is actual away from
From repeatedly said process, reduces its lower edge of powdering scraper 3 and the actual range of powdering substrate 7 and predetermined vertical range h2Error；
Powder feeding substrate 10 moves up a distance under the promotion of powder feeding substrate motion controller 11, metal dust is released, powdering is scraped
Knife 3 is now moved under the control of scraper motion controller 1 along guide rail 5 from powder feeding end to powder end is received, and powder feeding substrate 10 is released
Metal dust scrape on powdering substrate 7, the uniform shakedown layer of metal powder on powdering substrate 7, powdering scraper 3 scraper transport
Unnecessary metal dust is driven to continue to move to receipts powder end along guide rail 5 under the control of movement controller 1, until metal dust falls into recovery
Cylinder 12；According to technological requirement, start laser fast shaping equipment to the metal dust selective scanning on powdering substrate 7, metal
Powder melts, form part bottom to be processed on powdering substrate 7, and powdering scraper 3 controls lower edge in scraper motion controller 1
Guide rail 5 drives unnecessary metal dust to continue to the movement of powder end is received, until metal dust falls into recovery tank 12；
Step 3: powdering substrate 7 declines necessarily under the control of powdering substrate motion controller 8 along the casing wall of moulding cylinder 6
Distance h1, powdering scraper 3 moves under the control of scraper motion controller 1 along guide rail 5 from powder end is received to powder feeding end, positioned at powdering
During 7 top of substrate, laser displacement sensor 4 measures its lower edge of powdering scraper 3 and the metal powder layer upper table on powdering substrate 7
Face actual range, and by predetermined vertical range h described in the actual range measured and step 22Control information passes to industry control
Machine；
Step 4: repeat step one arrives step 3, part successively machine-shaping in moulding cylinder 6, until part processes
Into.
In above-mentioned process, the upper surface of powdering substrate 7 is predetermined vertical with its lower edge of powdering scraper 3 when work starts
Distance h2The distance h declined every time with powdering substrate 71It is important parameter, h under normal circumstances1=h2=h, its precision pair
The precision of powdering thickness has material impact, and then has material impact to the overall precision of part.
H in the utility model embodiment1=h2=h, h precision is controlled using laser displacement sensor 4, and then to powdering essence
Degree is accurately controlled.Laser displacement sensor 4 uses screw connection with the powdering scraper 3, can accurately measure powdering scraper 3
Its lower edge and the upper surface distance of powdering substrate 7, and both depth of parallelisms, can be by the information transmission of measurement to laser fast shaping
The industrial computer of equipment, is calculated and transmitted by software and instruct, by powdering substrate motion controller 8 control powdering substrate 7 along into
Type cylinder accurate movement about 6, improve h precision.
The laser displacement sensor 4 can also be accurate to survey under powdering scraper 3 in the laser fast shaping equipment course of work
Terminal knife edge and the distance for processing each formable layer face of part, pass to industrial computer, are calculated by software, dynamically adjusted each
The distance h that powdering substrate 7 declines during layer powdering, accurately controls precision of powder laying, optimizes part machining path and scheme, enters one
Step improves part processing precision.
By the above-mentioned means, powder layer thickness is controlled available for the powder feeding of laser fast shaping equipment and powdering process and accurately,
And then improve the precision of laser fast shaping equipment processing part.
Above-described embodiment is only illustrative method of the present utility model and beneficial effect, not for limiting this practicality
It is new.Any personage for being familiar with the method can enter without prejudice under spirit and scope of the present utility model to above-described embodiment
Row modification.Therefore rights protection scope of the present utility model, should be as listed by claim.
Claims (9)
1. for the powdering precise control device of laser fast shaping equipment, it is characterized in that：Including scraper motion controller (1),
Scraper height adjuster (2), powdering scraper (3), laser displacement sensor (4), guide rail (5), moulding cylinder (6), powdering substrate
(7), powdering substrate motion controller (8), powder feeding cylinder (9), powder feeding substrate (10), powder feeding substrate motion controller (11), recovery
Cylinder (12), shaping panel (13) and supporting plate (14), the scraper motion controller (1) is for linear motion controller and in electric current
Moved back and forth under control along guide rail (5)；Scraper height adjuster (2) lower surface passes through screw and scraper motion controller
(1) upper surface connects；Powdering scraper (3) cross section is L-shaped, and it passes through screw and scraper height adjuster (2) upper surface
Connection；The laser displacement sensor (4) is connected by screw with powdering scraper (3)；The guide rail (5) is arranged on by screw
It is molded panel (13) upper surface；The upper end of the powdering substrate motion controller (8) is connected by screw with powdering substrate (7)；
The upper end of the powder feeding substrate motion controller (11) is connected by screw with powder feeding substrate (10)；The powdering substrate (7) sets
Put in the moulding cylinder (6), and powdering substrate (7) edge is contacted by lubricant medium with the casing wall of moulding cylinder (6), it is along moulding cylinder
(6) casing wall moves up and down；The powder feeding substrate (10) is arranged in powder feeding cylinder (9), and powder feeding substrate (10) edge passes through lubrication
Medium contacts with the casing wall of powder feeding cylinder (9), and its casing wall along powder feeding cylinder (9) moves up and down；The moulding cylinder (6), powder feeding cylinder (9)
And along concordant with powdering panel (13) upper surface on recovery tank (12), moulding cylinder (6), powder feeding cylinder (9) and recovery tank (12) with
Panel (13) connection is molded, wherein recovery tank (12) is fastenedly connected with shaping panel (13) for detachable；The powdering substrate fortune
Movement controller (8) and powder feeding substrate motion controller (11) are connected by screw with supporting plate (14) respectively；
Wherein scraper motion controller (1), scraper height adjuster (2), laser displacement sensor (4), powdering substrate motion control
Device (8) processed and powder feeding substrate motion controller (11) are connected with industrial computer.
2. the powdering precise control device according to claim 1 for laser fast shaping equipment, it is characterized in that：It is described
Scraper motion controller (1) is electronic slide unit, movement velocity 100mm/s.
3. it is used for the powdering precise control device of laser fast shaping equipment according to claim 1, it is characterized in that：It is described to swash
Optical displacement sensor (4) is high accuracy displacement sensor, measuring accuracy<1μm.
4. the powdering precise control device according to claim 1 for laser fast shaping equipment, it is characterized in that：It is described
Moulding cylinder (6) and powder feeding cylinder (9) are welded on powdering panel (13).
5. the powdering precise control device according to claim 1 for laser fast shaping equipment, it is characterized in that：It is described
Moulding cylinder (6) and powder feeding cylinder (9) are by screw connection on powdering panel (13).
6. the powdering precise control device according to claim 1 for laser fast shaping equipment, it is characterized in that：It is described
Moulding cylinder (6) and powder feeding cylinder (9) snap connection with powdering panel (13) respectively.
7. the powdering precise control device according to claim 1 for laser fast shaping equipment, it is characterized in that：It is described
Powdering substrate motion controller (8) and powder feeding substrate motion controller (11) are electric cylinders, kinematic accuracy<10μm.
8. the powdering precise control device according to claim 1 for laser fast shaping equipment, it is characterized in that：It is described
Recovery tank (12) passes through screw connection with shaping panel (13).
9. the powdering precise control device according to claim 1 for laser fast shaping equipment, it is characterized in that：It is described
Recovery tank (12) snaps connection with shaping panel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720901129.9U CN207043340U (en) | 2017-07-24 | 2017-07-24 | Powdering precise control device for laser fast shaping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720901129.9U CN207043340U (en) | 2017-07-24 | 2017-07-24 | Powdering precise control device for laser fast shaping equipment |
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| CN207043340U true CN207043340U (en) | 2018-02-27 |
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ID=61497825
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| CN201720901129.9U Active CN207043340U (en) | 2017-07-24 | 2017-07-24 | Powdering precise control device for laser fast shaping equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199339A (en) * | 2017-07-24 | 2017-09-26 | 长春德信光电技术有限公司 | Powdering precise control device and method for laser fast shaping equipment |
| CN110385855A (en) * | 2018-04-17 | 2019-10-29 | 中国航发商用航空发动机有限责任公司 | A kind of increasing material manufacturing method of part |
| CN112223746A (en) * | 2020-08-17 | 2021-01-15 | 苏州徕泽丰材料科技有限公司 | Calibration method for high-precision processing base point of 3D printing equipment |
-
2017
- 2017-07-24 CN CN201720901129.9U patent/CN207043340U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199339A (en) * | 2017-07-24 | 2017-09-26 | 长春德信光电技术有限公司 | Powdering precise control device and method for laser fast shaping equipment |
| CN110385855A (en) * | 2018-04-17 | 2019-10-29 | 中国航发商用航空发动机有限责任公司 | A kind of increasing material manufacturing method of part |
| CN110385855B (en) * | 2018-04-17 | 2021-08-17 | 中国航发商用航空发动机有限责任公司 | Additive manufacturing method of part |
| CN112223746A (en) * | 2020-08-17 | 2021-01-15 | 苏州徕泽丰材料科技有限公司 | Calibration method for high-precision processing base point of 3D printing equipment |
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