CN105217270B - Can swelling abnormal self detecting type steel band powdering system and powdering method - Google Patents
Can swelling abnormal self detecting type steel band powdering system and powdering method Download PDFInfo
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- CN105217270B CN105217270B CN201510788373.4A CN201510788373A CN105217270B CN 105217270 B CN105217270 B CN 105217270B CN 201510788373 A CN201510788373 A CN 201510788373A CN 105217270 B CN105217270 B CN 105217270B
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- 238000000227 grinding Methods 0.000 title claims abstract description 414
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 100
- 239000010959 steel Substances 0.000 title claims abstract description 100
- 230000002159 abnormal effect Effects 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008961 swelling Effects 0.000 title claims abstract description 24
- 239000000843 powder Substances 0.000 claims abstract description 165
- 230000033001 locomotion Effects 0.000 claims abstract description 82
- 238000009434 installation Methods 0.000 claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 49
- 229910052802 copper Inorganic materials 0.000 claims description 49
- 239000010949 copper Substances 0.000 claims description 49
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
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- 238000007689 inspection Methods 0.000 claims 1
- 238000005498 polishing Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 11
- 238000007493 shaping process Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 239000004484 Briquette Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The present invention provide it is a kind of can swelling abnormal self detecting type steel band powdering system and powdering method, can the abnormal self detecting type steel band powdering system of swelling include：Powdering moves installation base plate (1), motor (2), left movement driver element (3), right kinematic driving unit (4), powder falling housing unit (5), powdering blade unit (6) and detection unit (7).Advantage is：(1) during powdering, can timely and effectively find that some regional area nodularizations that machined part occurs are extremely raised, and automatic timely and effectively termination powdering process, after exception of polishing again is raised, it is further continued for powdering, so as to avoid the powdering caused by exception is raised from failing, it is ensured that reliability, stability and high efficiency that metal molten 3D shapes.(2)) also there is simple structure, low cost and easily promotes the use of.
Description
Technical field
The invention belongs to quickly shaping device technical field, and in particular to it is a kind of can swelling abnormal self detecting type steel band paving
Powder system and powdering method.
Background technology
Metal dust rapid shaping printer can be according to the shape of part, and one layer is made every time has certain small thickness
With the section of given shape, each layer cross section is successively bonded again then, that is, obtained the three-dimensional part of required manufacture.Gold
Category powder rapid shaping printer is due in the case of without any hard tool and mould, you can directly from Computerized three-dimensional design
Entity component is produced, is widely applied in various fields such as machine-building.
One of critical system of metal dust rapid shaping printer is powdering system, in the prior art, generally using steel
Kuai Shi powderings mechanism, the bloom formula powdering mechanism generally has the following problems during powdering：Function is very single, can only
Carry out simple powdering operation, and when some regional areas of machined part occur nodularization it is extremely raised when, bloom formula powdering
Mechanism continues to the powdering on exception is raised, therefore, it is impossible to find that the nodularization that machined part occurs is extremely convex in time
Rise, causing finally cannot precise forming part, the follow-up powdering technique and forming parts technical process of serious waste.
The content of the invention
For prior art exist defect, the present invention provide it is a kind of can swelling abnormal self detecting type steel band powdering system
And powdering method, can effectively solve the above problems.
The technical solution adopted by the present invention is as follows：
The present invention provide it is a kind of can swelling abnormal self detecting type steel band powdering system, including：Powdering moves installation base plate
(1), motor (2), left movement driver element (3), right kinematic driving unit (4), powder falling housing unit (5), powdering blade unit
And detection unit (7) (6)；
Wherein, the central area of powdering motion installation base plate (1) offers through hole (1.1), and the through hole (1.1) is located at
The top of powdering workbench；The left and right sides of the through hole (1.1) is symmetrical arranged the left movement driver element (3) and the right side
Kinematic driving unit (4)；The motor (2) with the left movement driver element (3) and the right motion while drive single
First (4) linkage, for driving the left movement driver element (3) and the right kinematic driving unit (4) synchronization action；
Driven with the left movement driver element (3) and the right motion respectively at the left and right two ends of the powder falling housing unit (5)
Moving cell (4) is connected, when the left movement driver element (3) and the right kinematic driving unit (4) synchronization action, band
The steady top in powdering workbench of the powder falling housing unit (5) is moved to move forward and backward；The bottom of the powder falling housing unit (5) opens up
There is powder falling mouthful (5.7)；
The powdering blade unit (6) includes preceding powdering piece subelement and rear powdering piece subelement, the preceding powdering slice, thin piece list
The symmetrical front and rear both sides for being installed on the powder falling housing unit (5), make the powder falling before and after first and described rear powdering piece subelement
Mouth (5.7) is positioned at the preceding powdering piece subelement and the middle part of the rear powdering piece subelement；
Wherein, the preceding powdering piece subelement includes powdering piece installation pedestal (6.1), one-level powdering piece briquetting (6.2), two
Level powdering piece briquetting (6.3), one-level powdering piece (6.4), two grades of powdering pieces (6.5), a left side are locked module and the right side is locked
Module；The one-level powdering piece (6.4) and two grades of powdering pieces (6.5) set along the direction perpendicular with the powdering direction of motion
Put, also, the one-level powdering piece (6.4) and two grades of powdering pieces (6.5) are parallel to each other, and its bottom is below the powder falling
The height of mouth (5.7), is arranged at the powdering piece installation pedestal (6.1) and described one at the top of the one-level powdering piece (6.4)
Between level powdering piece briquetting (6.2), the one-level powdering piece briquetting (6.2) is arranged at the top of two grades of powdering pieces (6.5)
And two grades of powdering pieces briquetting (6.3) between, it is locked module eventually through the left side and the right side is locked module,
The one-level powdering piece (6.4) and two grades of powdering pieces (6.5) are locked；The powdering piece installation pedestal (6.1)
Top is fixed to the shell of the powder falling housing unit (5), and when the powder falling housing unit (5), movement carries out powdering along the longitudinal direction
When, drive the preceding powdering piece subelement synchronous mobile in the same direction；
The detection unit (7) includes：Powdering exception steel disc (7.1), left powdering unusual switch, right powdering unusual switch,
Powdering exception spring base (7.2), spring and at least two detections seat (7.3)；
Wherein, the bottom of the one-level powdering piece briquetting (6.2) fixedly mounts and detected described at least two structure identicals
Seat (7.3), the bottom of detection seat (7.3) is fixed on the bottom surface of the one-level powdering piece briquetting (6.2), the detection seat
(7.3) top is under, and it is highly higher than the one-level powdering piece (6.4) and the bottom of two grades of powdering pieces (6.5)；
Also, detection seat (7.3) is provided with U-shaped opening end, and the opening at the U-shaped opening end is horizontal direction, and towards institute
State one-level powdering piece (6.4)；
Powdering exception steel disc (7.1) is located in the U-shaped opening of each detection seat (7.3), by each institute
The U-shaped opening of detection seat (7.3) is stated, powdering exception steel disc (7.1) is supported, also, powdering exception steel disc (7.1) can
Carry out the movement of fore-and-aft direction along the U-shaped opening, and then away from or near the one-level powdering piece (6.4)；
The setting left powdering unusual switch and described is respectively symmetrically at the left and right two ends of powdering exception steel disc (7.1)
Right powdering unusual switch；Wherein, the left powdering unusual switch is identical with the structure of the right powdering unusual switch, the left paving
Powder unusual switch includes left powdering unusual switch seat (7.4) and left resistance copper sheet (7.5)；The left powdering unusual switch seat
(7.4) towards down-set, its bottom surface is fixedly installed in the bottom of the one-level powdering piece briquetting (6.2), the left powdering exception
Switch base (7.4) fixedly mounts the left resistance copper sheet (7.5), i.e., with sloping platform face on the sloping platform face：The left resistance copper
Piece (7.5) to set obliquely；
Towards down-set, its bottom surface is fixedly installed in the one-level powdering piece briquetting to powdering exception spring base (7.2)
(6.2) bottom；Powdering exception spring base (7.2) is positioned at the rear portion of powdering exception steel disc (7.1)；The powdering is different
Normal spring base (7.2) offers the circular groove being adapted with the spring, and the circular groove is horizontally disposed with, and towards the paving
The back side edge of powder exception steel disc (7.1)；The spring horizontal is set, and its rear end is placed in the circular groove, and by the paving
Powder exception spring base (7.2) is spacing；The front end of the spring is connected with the back side edge contact of powdering exception steel disc (7.1)；
Under normal circumstances, the spring extrudes powdering exception steel disc (7.1), makes powdering exception steel disc (7.1) to the paving
The direction motion of powder exception steel disc (7.1), and then contacted with left resistance copper sheet (7.5), and because left resistance copper sheet (7.5) is oblique
It is down-set, therefore, after powdering exception steel disc (7.1) motion in place, by the position-limiting action of left resistance copper sheet (7.5),
Powdering exception steel disc (7.1) is in close contact with the left resistance copper sheet (7.5), form conductive path, that is, form switch and lead
Logical state.
Preferably, the left movement driver element (3) includes left leather belt mounting seat (3.1), left transmission belt (3.2) and a left side
Guide rail (3.3)；The right kinematic driving unit (4) includes right leather belt mounting seat, right transmission belt and right guide rail；
The left rail (3.3) and the right guide rail parallel are arranged at the left and right sides of the through hole (1.1), also, institute
State left rail (3.3) and the right guide rail is fixed on the powdering and moves installation base plate (1)；The left rail (3.3) it is front and rear
Two ends difference one left leather belt mounting seat (3.1) of each installation, the left transmission belt (3.2) is installed on the left leather belt mounting seat
(3.1) in, and then positioned at the surface of the left rail (3.3)；Additionally, the left transmission belt (3.2) drives electricity with described
The output end linkage of machine (2), by the motor, drives left transmission belt (3.2) motion；
Rear and front end difference one right leather belt mounting seat of each installation of the right guide rail, the right transmission belt is installed on institute
In stating right leather belt mounting seat, and then positioned at the surface of the right guide rail；Additionally, the right transmission belt and the motor
Output end linked by universal driving shaft (8), by the motor, drive the right transmission belt and the left transmission belt
(3.2) motion is synchronized.
Preferably, the powder falling housing unit (5) includes：Powder falling box body and from the powder falling box body or so two ends to
It is outer to extend the left powder falling box mounting seat (5.1) and right powder falling box mounting seat (5.2) installed；Wherein, the powder falling box body passes through
The left powder falling box mounting seat (5.1) fastens with the left transmission belt (3.2), and the powder falling box body is by the right powder falling
Box mounting seat (5.2) is fastened with the right transmission belt；
Wherein, the powder falling box body includes：Powder falling box front-side guide plate (5.3), powder falling box rear side guide plate (5.4), powder falling
Box left side V shaped slab (5.5) and powder falling box right side V shaped slab (5.6)；After the powder falling box front-side guide plate (5.3) and the powder falling box
Flipper guide (5.4) opposite tilt is set, and makes guide plate (5.4) on rear side of the powder falling box front-side guide plate (5.3) and the powder falling box
Slit is formed on bottom, and the slit is powder falling mouthful；Powder falling box left side V shaped slab (5.5) is led with powder falling box front side respectively
The left end of plate (5.3) and powder falling box rear side guide plate (5.4) is fixed, powder falling box right side V shaped slab (5.6) respectively with it is described
The right-hand member of powder falling box front-side guide plate (5.3) and powder falling box rear side guide plate (5.4) is fixed, and is thus spliced to form the powder falling box
Body.
Preferably, the left powder falling box mounting seat (5.1) includes：Synchronous belt tooth contour briquetting (5.1.1), Timing Belt keel
(5.1.2), powdering moving body installation base plate (5.1.3) and left slider (5.1.4)；
The right-hand member of the powdering moving body installation base plate (5.1.3) is fixedly connected with the powder falling box body, the powdering
The left end bottom of moving body installation base plate (5.1.3) fixedly mounts the left slider (5.1.4), the left slider (5.1.4) with
Left rail (3.3) adaptation；The left end top of the powdering moving body installation base plate (5.1.3) fixedly mounts the Timing Belt
Keel (5.1.2)；On the top of the Timing Belt keel (5.1.2), the synchronous belt tooth contour briquetting (5.1.1), institute are set
State left transmission belt (3.2) be arranged at the Timing Belt keel (5.1.2) and the synchronous belt tooth contour briquetting (5.1.1) it
Between, it is fixed by the Timing Belt keel (5.1.2) and the synchronous belt tooth contour briquetting (5.1.1).
Preferably, the left side module that is locked includes：Powdering mortice lock presses closer block (6.6), powdering piece movement briquetting seat
(6.7) and powdering piece move briquetting (6.8)；
The left end of the powdering piece installation pedestal (6.1) and the one-level powdering piece briquetting (6.2) is respectively provided with paving
Powder piece movement briquetting seat (6.7), installs the powdering mortice lock and presses closer block (6.6) in the outside of powdering piece movement briquetting seat (6.7),
The powdering mortice lock is pressed closer block (6.6) powdering piece movement briquetting seat (6.7) is locked by screw；
The powdering piece is installed in the left part of two grades of powdering pieces briquetting (6.3) and moves briquetting (6.8), the powdering
Piece moves briquetting (6.8) and two grades of powdering pieces briquetting (6.3) are tightly fastened by screw；
Wherein, the left part of the one-level powdering piece (6.4) is fastened to powdering piece movement briquetting seat (6.7) and institute
Powdering piece is stated to move between briquetting (6.8).
Preferably, resistance copper sheet is switched in the supply line of motor (2) by wire.
Preferably, in the rear and front end of the through hole (1.1), move installation base plate (1) in the powdering and also open up respectively
There is gumming access slot (9).
Preferably, move installation base plate (1) in the powdering and also fixedly mount limit switches (10)；The limit switch
(10) for limiting the moving range of the powder falling housing unit (5).
Preferably, the one-level powdering piece (6.4) and two grades of powdering pieces (6.5) are metal thin steel strip.
The present invention also provide it is a kind of can swelling abnormal self detecting type steel band powdering method, comprise the following steps：
Step 1, first, spring is arranged at the rear portion of powdering exception steel disc (7.1), the extruding forward provided by spring
The two ends of powdering exception steel disc (7.1) are tightly pressed into place the resistance copper sheet in its two ends by power, keep powdering exception steel disc
(7.1) with the contact of resistance copper sheet, then after the resistance copper sheet of both sides is connected into wire, by wire by powdering exception steel disc
(7.1) it is connected on the power supply circuit of motor (2) with two side resistance copper sheets, so as to form connection circuit；
Step 2, then, when powdering formation of parts is needed, starts motor (2), and motor (2) drives left biography
Defeated belt (3.2) and right transmission belt are synchronized with the movement, and then promote powder falling housing unit (5) and powdering blade unit (6) synchronous along preceding
Rear direction is moved, by the powder falling of powder falling housing unit (5) mouthful, to powdering workbench powder falling, and by powdering blade unit (6) by powder
End is paved, and realizes powdering process；
During powdering, if machined piece surface does not have nodularization extremely raised on powdering workbench, powdering is different
Normal steel disc (7.1) and resistance copper sheet keep contact condition, i.e. open state, therefore, the power supply of motor passes sequentially through a left side
After side resistance copper sheet, powdering exception steel disc (7.1) and right side resistance copper sheet, powered to motor (2), motor (2) can
Normal work, and then control the carrying out of powdering process；Once when machined part some regional areas, nodularization occur extremely raised
When, abnormal raised promotion one-level powdering piece (6.4) extrudes backward, when powdering exception steel disc (7.1) are encountered in extruding, also, squeezes
When pressure is more than the thrust that spring applies to powdering exception steel disc (7.1), powdering exception steel disc (7.1) motion compresses bullet backward
Spring, and then powdering exception steel disc (7.1) is separated with the resistance copper sheet of both sides and is not contacted, now, both sides wire is obstructed, i.e.,：Close
State, therefore, motor (2) is automatically switched off due to power-off, and stopping carries out follow-up powdering process.
The present invention provide can swelling abnormal self detecting type steel band powdering system and powdering method there is advantages below：
(1) during powdering, you can timely and effectively find some regional area nodularizations that machined part occurs
It is abnormal raised, and automatic timely and effectively termination powdering process, after exception of polishing again is raised, powdering is further continued for, so as to keep away
Exempt from the powdering failure caused by exception is raised, it is ensured that reliability, stability and high efficiency that metal molten 3D shapes.
(2)) also there is simple structure, low cost and easily promotes the use of.
Brief description of the drawings
The overall structure diagram of the powdering system that Fig. 1 is provided for the present invention；
The structural representation of the powdering motion installation base plate that Fig. 2 is provided for the present invention；
The structural representation of the gumming access slot that Fig. 3 is provided for the present invention；
Fig. 4 is the powder falling housing unit for providing of the invention and the bonding state schematic diagram of powdering blade unit；
The structural representation of the powder falling housing unit that Fig. 5 is provided for the present invention；
The structural representation of the powder falling box mounting seat that Fig. 6 is provided for the present invention；
The overall structure diagram of the powder falling housing unit that Fig. 7 is provided for the present invention；
The powder falling box left and right sides V shaped slab structural representation that Fig. 8 is provided for the present invention；
Both sides guide plate structure schematic diagram before and after the powder falling box that Fig. 9 is provided for the present invention；
The powdering blade unit structural representation that Figure 10 is provided for the present invention；
The powdering chip architecture schematic diagram that Figure 11 is provided for the present invention；
Powdering piece and briquetting scheme of installation that Figure 12 is provided for the present invention；
The powdering piece installation pedestal structural representation that Figure 13 is provided for the present invention；
The powdering piece briquette structure schematic diagram that Figure 14 is provided for the present invention；
Two grades of powdering piece briquette structure schematic diagrames that Figure 15 is provided for the present invention；
Structural representations of the Figure 16 for the detection unit for providing of the invention under an angle；
Structural representations of the Figure 17 for the detection unit for providing of the invention under another angle；
Figure 18 is A close-up schematic views in Figure 17；
The detection holder structure schematic diagram that Figure 19 is provided for the present invention；
The resistance copper sheet structural representation that Figure 20 is provided for the present invention；
The powdering exception steel sheet structure schematic diagram that Figure 21 is provided for the present invention；
The powdering unusual switch holder structure schematic diagram that Figure 22 is provided for the present invention；
The powdering exception spring seat structure schematic diagram that Figure 23 is provided for the present invention.
Specific embodiment
In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with
Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used to
The present invention is explained, is not intended to limit the present invention.
The present invention provide can swelling abnormal self detecting type steel band powdering system, with following innovation：
(1) can the powdering piece that uses of abnormal self detecting type steel band powdering system of swelling be high strength at high temperature metal thin steel strip,
And then by powder tiling to the working face of whole working cylinder, replace the bloom formula powdering mechanism for generally using, also, powdering
Tightened by mobile briquetting and jacking block piece both sides, it is ensured that the uniform force of tiling；
(2) both sides are separately installed with powdering subsystem before and after powder falling box powder falling mouthful, it is possible to achieve two-way tiling.Meanwhile, adopt
With modularization assembling, each powdering subsystem installs two pieces of powdering pieces, realizes exhaustive, and two pieces of powdering pieces spread simultaneously, Neng Gougeng
Realize well smooth and uniform.
(3) by setting detecting system, in the powdering system course of work, once find certain that machined part occurs
A little regional area nodularizations are extremely raised, and powdering process can be timely and effectively stopped automatically, after exception of polishing again is raised, then
Continue powdering, so as to avoid the powdering caused by exception is raised from failing, it is ensured that reliability, the stability of metal molten 3D shapings
And high efficiency.
With reference to Fig. 1-Figure 23, the present invention provide can swelling abnormal self detecting type steel band powdering system, including：Powdering is transported
Dynamic installation base plate 1, motor 2, left movement driver element 3, right kinematic driving unit 4, powder falling housing unit 5, powdering blade unit 6
With detection unit 7.Explanation is discussed in detail to each core members below：
(1) driver element
With reference to Fig. 1, the central area of powdering motion installation base plate 1 offers through hole 1.1, and the through hole 1.1 is located at powdering work
Make the top of platform；The left and right sides of through hole 1.1 is symmetrical arranged left movement driver element 3 and right kinematic driving unit 4；Motor
2 link with left movement driver element 3 and right kinematic driving unit 4 simultaneously, for driving left movement driver element 3 and right motion to drive
The synchronization action of moving cell 4；
Specifically, left movement driver element 3 includes left leather belt mounting seat 3.1, left transmission belt 3.2 and left rail 3.3；It is right
Kinematic driving unit 4 includes right leather belt mounting seat, right transmission belt and right guide rail；
Left rail 3.3 and right guide rail parallel are arranged at the left and right sides of through hole 1.1, also, left rail 3.3 and right guide rail are solid
It is scheduled on powdering motion installation base plate 1；Rear and front end difference one left leather belt mounting seat 3.1 of each installation of left rail 3.3, left transmission
Belt 3.2 is installed in left leather belt mounting seat 3.1, and then positioned at the surface of left rail 3.3；Additionally, left transmission belt 3.2 with
The output end linkage of motor 2, by motor, drives left transmission belt 3.2 to move；
Rear and front end difference one right leather belt mounting seat of each installation of right guide rail, right transmission belt is installed on right leather belt installation
In seat, and then positioned at the surface of right guide rail；Additionally, right transmission belt is linked with the output end of motor by universal driving shaft 8,
By motor, right transmission belt is driven to synchronize motion with left transmission belt 3.2.
(2) powder falling housing unit
With reference to Fig. 4-Fig. 9, the left and right two ends of powder falling housing unit 5 drive list with left movement driver element 3 and right motion respectively
Unit 4 is connected, and when left movement driver element 3 and right 4 synchronization action of kinematic driving unit, drives powder falling housing unit 5 steady
Moved forward and backward in the top of powdering workbench；The bottom of powder falling housing unit 5 offers powder falling mouthful 5.7；
Specifically, powder falling housing unit 5 includes：Powder falling box body and stretch out installation from powder falling box body or so two ends
Left powder falling box mounting seat 5.1 and right powder falling box mounting seat 5.2；Wherein, powder falling box body by left powder falling box mounting seat 5.1 with
Left transmission belt 3.2 is fastened, and powder falling box body is fastened by right powder falling box mounting seat 5.2 with right transmission belt.
(1) powder falling box mounting seat
Because left powder falling box mounting seat and right powder falling box mounting seat are symmetrical structure, therefore, only pacified with left powder falling box herein
It is introduced as a example by dress seat：
Left powder falling box mounting seat 5.1 includes：Synchronous belt tooth contour briquetting 5.1.1, Timing Belt keel 5.1.2, powdering movement
Body installation base plate 5.1.3 and left slider 5.1.4；
The right-hand member of powdering moving body installation base plate 5.1.3 is fixedly connected with powder falling box body, powdering moving body installation base plate
5.1.3 left end bottom fixedly mounts left slider 5.1.4, and left slider 5.1.4 is adapted to left rail 3.3；Powdering moving body is installed
The left end top of substrate 5.1.3 fixedly mounts Timing Belt keel 5.1.2；Set same on the top of Timing Belt keel 5.1.2
Step band tooth form briquetting 5.1.1, left transmission belt 3.2 be arranged at Timing Belt keel 5.1.2 and synchronous belt tooth contour briquetting 5.1.1 it
Between, it is fixed by Timing Belt keel 5.1.2 and synchronous belt tooth contour briquetting 5.1.1.
(2) powder falling box body
Powder falling box body includes：Powder falling box front-side guide plate 5.3, powder falling box rear side guide plate 5.4, powder falling box left side V shaped slab 5.5
With powder falling box right side V shaped slab 5.6；Powder falling box front-side guide plate 5.3 and powder falling box rear side guide plate 5.4 opposite tilt are set, and make powder falling
Slit is formed on the bottom of box front-side guide plate 5.3 and powder falling box rear side guide plate 5.4, and the slit is powder falling mouthful；Powder falling box left side V-arrangement
Left end of the plate 5.5 respectively with powder falling box front-side guide plate 5.3 and powder falling box rear side guide plate 5.4 is fixed, powder falling box right side V shaped slab 5.6
The right-hand member with powder falling box front-side guide plate 5.3 and powder falling box rear side guide plate 5.4 is fixed respectively, is thus spliced to form powder falling box body.
Using the powder falling box of V-type, uniform leakage metal dust is realized by thin seam in the middle of powder falling box, it is to avoid metal dust is raised
Rise, leakage powder mouthful is higher than powdering steel plate 1mm, it is ensured that this leakage powder amount can tile whole work top all the time.
(3) powdering blade unit
With reference to Figure 10-Figure 15, powdering blade unit 6 includes preceding powdering piece subelement and rear powdering piece subelement, preceding powdering piece
The symmetrical front and rear both sides for being installed on powder falling housing unit 5 before and after subelement and rear powdering piece subelement, are located at powder falling mouthful 5.7 preceding
The middle part of powdering piece subelement and rear powdering piece subelement；
Wherein, preceding powdering piece subelement includes powdering piece installation pedestal 6.1,6.2, two grades of powdering pieces of one-level powdering piece briquetting
Module that briquetting 6.3, a 6.4, two grades of powdering pieces 6.5, left side of one-level powdering piece are locked module and the right side is locked；One-level powdering piece
6.4 and two grades of powdering pieces 6.5 set along the directions perpendicular with the powdering direction of motion, also, one-level powdering piece 6.4 and two grades
Powdering piece 6.5 is parallel to each other, and its bottom is below the height of powder falling mouthful 5.7, and the top of one-level powdering piece 6.4 is arranged at powdering piece
Between installation pedestal 6.1 and one-level powdering piece briquetting 6.2, the top of two grades of powdering pieces 6.5 is arranged at one-level powdering piece briquetting 6.2
And two grades of powdering piece briquettings 6.3 between, it is locked module eventually through a left side and the right side is locked module, by one-level powdering piece
6.4 and two grades of powdering pieces 6.5 be locked；The top of powdering piece installation pedestal 6.1 is fixed to the shell of powder falling housing unit 5, when
Powder falling housing unit 5 along the longitudinal direction movement when carrying out powdering, powdering piece subelement is synchronous mobile in the same direction before driving；
The left side module that is locked includes：Powdering mortice lock presses closer block 6.6, powdering piece movement briquetting seat 6.7 and the movement of powdering piece
Briquetting 6.8；
The left end of powdering piece installation pedestal 6.1 and one-level powdering piece briquetting 6.2 is respectively provided with powdering piece movement briquetting
Seat 6.7, block 6.6 is pressed closer in the outside powdering mortice lock of installing of powdering piece movement briquetting seat 6.7, and powdering mortice lock presses closer block 6.6 and passes through
Be locked for powdering piece movement briquetting seat 6.7 by screw；
Powdering piece movement briquetting 6.8, the powdering piece movement He of briquetting 6.8 are installed two grades of left parts of powdering piece briquetting 6.3
Two grades of powdering piece briquettings 6.3 are tightly fastened by screw；
Wherein, the left part of one-level powdering piece 6.4 is fastened to powdering piece movement briquetting seat 6.7 and powdering piece movement briquetting
Between 6.8.
One-level powdering piece 6.4 and two grades of powdering pieces 6.5 use metal thin steel strip.
(4) detection unit
With reference to Figure 16-Figure 23, detection unit 7 includes：Powdering exception steel disc 7.1, left powdering unusual switch, right powdering exception
Switch, powdering exception spring base 7.2, spring and at least two detection seats 7.3；
Wherein, the bottom of one-level powdering piece briquetting 6.2 fixedly mounts at least two structure identical detection seats 7.3, detection
The bottom of seat 7.3 is fixed on the bottom surface of one-level powdering piece briquetting 6.2, detects the top of seat 7.3 under, and it is highly higher than one
Level powdering piece 6.4 and two grades of bottoms of powdering piece 6.5；Also, detection seat 7.3 is provided with U-shaped opening end, U-shaped opening end is opened
Mouth is horizontal direction, and towards one-level powdering piece 6.4；
Powdering exception steel disc 7.1 is located in the U-shaped opening of each detection seat 7.3, and the U-shaped of seat 7.3 is detected by each
Opening, support powdering exception steel disc 7.1, also, powdering exception steel disc 7.1 can carry out the movement of fore-and-aft direction along U-shaped opening, enter
And away from or near one-level powdering piece 6.4；
The left powdering unusual switch of setting is respectively symmetrically at the left and right two ends of powdering exception steel disc 7.1 and right powdering is opened extremely
Close；Wherein, left powdering unusual switch is identical with the structure of right powdering unusual switch, and left powdering unusual switch includes left powdering exception
Switch base 7.4 and left resistance copper sheet 7.5；Towards down-set, its bottom surface is fixedly installed in one-level paving to left powdering unusual switch seat 7.4
The bottom of powder piece briquetting 6.2, left powdering unusual switch seat 7.4 has sloping platform face, and left resistance copper is fixedly mounted on the sloping platform face
Piece 7.5, i.e.,：Left resistance copper sheet 7.5 is to set obliquely；
Towards down-set, its bottom surface is fixedly installed in the bottom of one-level powdering piece briquetting 6.2 to powdering exception spring base 7.2；
Powdering exception spring base 7.2 is located at the rear portion of powdering exception steel disc 7.1；Powdering exception spring base 7.2 is offered mutually fits with spring
The circular groove matched somebody with somebody, the circular groove be horizontally disposed with, and towards powdering exception steel disc 7.1 back side edge；Spring horizontal is set, its
Rear end is placed in circular groove, and spacing by powdering exception spring base 7.2；Behind the front end of spring and powdering exception steel disc 7.1
Contact aside is connected；Under normal circumstances, spring extruding powdering exception steel disc 7.1, makes powdering exception steel disc 7.1 to powdering abnormal steel
The direction motion of piece 7.1, and then contacted with left resistance copper sheet 7.5, and because left resistance copper sheet 7.5 to set obliquely, therefore,
After powdering exception steel disc 7.1 is moved in place, by the position-limiting action of left resistance copper sheet 7.5, make powdering exception steel disc 7.1 and left electricity
Resistance copper sheet 7.5 is in close contact, and forms conductive path, that is, form the state of switch conduction.Resistance copper sheet is switched to by wire
In the supply line of motor 2.
In addition, the present invention also carries out following 2 points of improvement：
Improve 1：In the rear and front end of through hole 1.1, gumming access slot 9 is also offered respectively in powdering motion installation base plate 1.
Improve 2：Limit switches 10 are also fixedly mounted in powdering motion installation base plate 1；Limit switch 10 falls for limitation
The moving range of powder box unit 5.
The present invention also provide it is a kind of can swelling abnormal self detecting type steel band powdering method, comprise the following steps：
Step 1, first, spring is arranged at the rear portion of powdering exception steel disc 7.1, by the extruding force forward of spring offer,
The two ends of powdering exception steel disc 7.1 are tightly pressed into place the resistance copper sheet in its two ends, powdering exception steel disc 7.1 and electricity is kept
The contact of copper sheet is hindered, then after the resistance copper sheet of both sides is connected into wire, by wire by the powdering exception side resistance of steel disc 7.1 and two
Copper sheet is connected on the power supply circuit of motor 2, so as to form connection circuit；
Step 2, then, when powdering formation of parts is needed, starts motor 2, and motor 2 drives left transmission skin
Band 3.2 and right transmission belt are synchronized with the movement, and then promote powder falling housing unit 5 and powdering blade unit 6 synchronously to move along the longitudinal direction,
By the powder falling mouthful of powder falling housing unit 5, to powdering workbench powder falling, and powder is paved by powdering blade unit 6, realize powdering
Process；
During powdering, if machined piece surface does not have nodularization extremely raised on powdering workbench, powdering is different
Normal steel disc 7.1 and resistance copper sheet keep contact condition, i.e. open state, therefore, the power supply of motor passes sequentially through left side
Resistance copper sheet, powdering exception steel disc 7.1 and right side resistance copper sheet after, powered to motor 2, motor 2 can normal work,
And then control the carrying out of powdering process；Once when machined part some regional areas occur nodularization it is extremely raised when, it is abnormal convex
Rise and promote one-level powdering piece 6.4 to extrude backward, when powdering exception steel disc 7.1 is encountered in extruding, also, extruding force more than spring to
During the thrust that powdering exception steel disc 7.1 applies, the powdering exception motion compresses spring backward of steel disc 7.1, and then make powdering abnormal steel
Piece 7.1 is separated with the resistance copper sheet of both sides and not contacted, and now, both sides wire is obstructed, i.e.,：Off status, therefore, motor 2 by
It is automatically switched off in power-off, stopping carries out follow-up powdering process.
As can be seen here, the present invention provide can swelling abnormal self detecting type steel band powdering system and powdering method have
Advantages below：
(1) during powdering, you can timely and effectively find some regional area nodularizations that machined part occurs
It is abnormal raised, and automatic timely and effectively termination powdering process, after exception of polishing again is raised, powdering is further continued for, so as to keep away
Exempt from the powdering failure caused by exception is raised, it is ensured that reliability, stability and high efficiency that metal molten 3D shapes.
(2)) also there is simple structure, low cost and easily promotes the use of.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (10)
1. it is a kind of can swelling abnormal self detecting type steel band powdering system, it is characterised in that including：Powdering moves installation base plate
(1), motor (2), left movement driver element (3), right kinematic driving unit (4), powder falling housing unit (5), powdering blade unit
And detection unit (7) (6)；
Wherein, the central area of powdering motion installation base plate (1) offers through hole (1.1), and the through hole (1.1) is positioned at powdering
The top of workbench；The left and right sides of the through hole (1.1) is symmetrical arranged the left movement driver element (3) and the right motion
Driver element (4)；The motor (2) at the same with the left movement driver element (3) and the right kinematic driving unit (4)
Linkage, for driving the left movement driver element (3) and the right kinematic driving unit (4) synchronization action；
The left and right two ends of the powder falling housing unit (5) drive single with the left movement driver element (3) and the right motion respectively
First (4) are connected, and when the left movement driver element (3) and the right kinematic driving unit (4) synchronization action, drive institute
The steady top in powdering workbench of powder falling housing unit (5) is stated to move forward and backward；The bottom of the powder falling housing unit (5) offers
Powder mouthful (5.7)；
The powdering blade unit (6) includes preceding powdering piece subelement and rear powdering piece subelement, the preceding powdering piece subelement and
The symmetrical front and rear both sides for being installed on the powder falling housing unit (5) before and after the rear powdering piece subelement, make the powder falling mouthful
(5.7) positioned at the preceding powdering piece subelement and the middle part of the rear powdering piece subelement；
Wherein, the preceding powdering piece subelement includes powdering piece installation pedestal (6.1), one-level powdering piece briquetting (6.2), two grades of pavings
Module that powder piece briquetting (6.3), one-level powdering piece (6.4), two grades of powdering pieces (6.5), a left side are locked module and the right side is locked；
The one-level powdering piece (6.4) and two grades of powdering pieces (6.5) are set along the direction perpendicular with the powdering direction of motion, and
And, the one-level powdering piece (6.4) and two grades of powdering pieces (6.5) are parallel to each other, and its bottom is below the powder falling mouthful
(5.7) height, the powdering piece installation pedestal (6.1) and the one-level are arranged at the top of the one-level powdering piece (6.4)
Between powdering piece briquetting (6.2), be arranged at the top of two grades of powdering pieces (6.5) the one-level powdering piece briquetting (6.2) and
Between two grades of powdering pieces briquetting (6.3), it is locked module eventually through the left side and the right side is locked module, will
The one-level powdering piece (6.4) and two grades of powdering pieces (6.5) are locked；The top of the powdering piece installation pedestal (6.1)
Portion is fixed to the shell of the powder falling housing unit (5), when movement carries out powdering to the powder falling housing unit (5) along the longitudinal direction,
Drive the preceding powdering piece subelement synchronous mobile in the same direction；
The detection unit (7) includes：Powdering exception steel disc (7.1), left powdering unusual switch, right powdering unusual switch, powdering
Abnormal spring base (7.2), spring and at least two detections seat (7.3)；
Wherein, the bottom of the one-level powdering piece briquetting (6.2) to fixedly mount and detect seat described at least two structure identicals
(7.3), the bottom of detection seat (7.3) is fixed on the bottom surface of the one-level powdering piece briquetting (6.2), the detection seat
(7.3) top is under, and it is highly higher than the one-level powdering piece (6.4) and the bottom of two grades of powdering pieces (6.5)；
Also, detection seat (7.3) is provided with U-shaped opening end, and the opening at the U-shaped opening end is horizontal direction, and towards institute
State one-level powdering piece (6.4)；
Powdering exception steel disc (7.1) is located in the U-shaped opening of each detection seat (7.3), by inspection each described
The U-shaped opening of seat (7.3) is surveyed, powdering exception steel disc (7.1) is supported, also, powdering exception steel disc (7.1) can be along institute
Stating U-shaped opening carries out the movement of fore-and-aft direction, and then away from or near the one-level powdering piece (6.4)；
The setting left powdering unusual switch and the right paving are respectively symmetrically at the left and right two ends of powdering exception steel disc (7.1)
Powder unusual switch；Wherein, the left powdering unusual switch is identical with the structure of the right powdering unusual switch, and the left powdering is different
Normally opened pass includes left powdering unusual switch seat (7.4) and left resistance copper sheet (7.5)；Described left powdering unusual switch seat (7.4) court
Down-set, its bottom surface is fixedly installed in the bottom of the one-level powdering piece briquetting (6.2), the left powdering unusual switch seat
(7.4) with sloping platform face, the left resistance copper sheet (7.5) is fixedly mounted on the sloping platform face, i.e.,：The left resistance copper sheet
(7.5) to set obliquely；
Towards down-set, its bottom surface is fixedly installed in the one-level powdering piece briquetting (6.2) to powdering exception spring base (7.2)
Bottom；Powdering exception spring base (7.2) is positioned at the rear portion of powdering exception steel disc (7.1)；The powdering exception bullet
Spring abutment (7.2) offers the circular groove being adapted with the spring, and the circular groove is horizontally disposed with, and different towards the powdering
The back side edge of normal steel disc (7.1)；The spring horizontal is set, and its rear end is placed in the circular groove, and different by the powdering
Normal spring base (7.2) is spacing；The front end of the spring is connected with the back side edge contact of powdering exception steel disc (7.1)；Normally
In the case of, the spring extrudes powdering exception steel disc (7.1), makes powdering exception steel disc (7.1) different to the powdering
The direction motion of normal steel disc (7.1), and then contacted with left resistance copper sheet (7.5), and because left resistance copper sheet (7.5) is for obliquely
Set, therefore, after powdering exception steel disc (7.1) motion in place, by the position-limiting action of left resistance copper sheet (7.5), make paving
Powder exception steel disc (7.1) is in close contact with the left resistance copper sheet (7.5), forms conductive path, that is, form switch conduction
State.
2. it is according to claim 1 can swelling abnormal self detecting type steel band powdering system, it is characterised in that the left fortune
Dynamic driver element (3) includes left leather belt mounting seat (3.1), left transmission belt (3.2) and left rail (3.3)；The right motion is driven
Moving cell (4) includes right leather belt mounting seat, right transmission belt and right guide rail；
The left rail (3.3) and the right guide rail parallel are arranged at the left and right sides of the through hole (1.1), also, the left side
Guide rail (3.3) and the right guide rail are fixed on the powdering and move installation base plate (1)；The rear and front end of the left rail (3.3)
Each respectively to install a left leather belt mounting seat (3.1), the left transmission belt (3.2) is installed on the left leather belt mounting seat
(3.1) in, and then positioned at the surface of the left rail (3.3)；Additionally, the left transmission belt (3.2) drives electricity with described
The output end linkage of machine (2), by the motor, drives left transmission belt (3.2) motion；
Rear and front end difference one right leather belt mounting seat of each installation of the right guide rail, the right transmission belt is installed on the right side
In belt mounting seat, and then positioned at the surface of the right guide rail；Additionally, the right transmission belt is defeated with the motor
Go out end to be linked by universal driving shaft (8), by the motor, drive the right transmission belt and the left transmission belt
(3.2) motion is synchronized.
3. it is according to claim 2 can swelling abnormal self detecting type steel band powdering system, it is characterised in that the powder falling
Housing unit (5) includes：Powder falling box body and the left powder falling box peace of the installation that stretches out from the powder falling box body or so two ends
Dress seat (5.1) and right powder falling box mounting seat (5.2)；Wherein, the powder falling box body is by the left powder falling box mounting seat (5.1)
Fastened with the left transmission belt (3.2), the powder falling box body is by the right powder falling box mounting seat (5.2) and the right biography
Defeated belt fastening；
Wherein, the powder falling box body includes：Powder falling box front-side guide plate (5.3), powder falling box rear side guide plate (5.4), powder falling box are left
Side V shaped slab (5.5) and powder falling box right side V shaped slab (5.6)；The powder falling box front-side guide plate (5.3) and powder falling box rear side are led
Plate (5.4) opposite tilt is set, and makes the bottom of the powder falling box front-side guide plate (5.3) and powder falling box rear side guide plate (5.4)
Slit is formed, the slit is powder falling mouthful；Powder falling box left side V shaped slab (5.5) respectively with the powder falling box front-side guide plate
(5.3) fixed with the left end of powder falling box rear side guide plate (5.4), powder falling box right side V shaped slab (5.6) respectively with it is described fall
The right-hand member of powder box front-side guide plate (5.3) and powder falling box rear side guide plate (5.4) is fixed, and is thus spliced to form the powder falling box sheet
Body.
4. it is according to claim 3 can swelling abnormal self detecting type steel band powdering system, it is characterised in that the left side falls
Powder box mounting seat (5.1) includes：Synchronous belt tooth contour briquetting (5.1.1), Timing Belt keel (5.1.2), powdering moving body are installed
Substrate (5.1.3) and left slider (5.1.4)；
The right-hand member of the powdering moving body installation base plate (5.1.3) is fixedly connected with the powder falling box body, the powdering movement
The left end bottom of body installation base plate (5.1.3) fixedly mounts the left slider (5.1.4), the left slider (5.1.4) with it is described
Left rail (3.3) is adapted to；It is padded that the left end top of the powdering moving body installation base plate (5.1.3) fixedly mounts the Timing Belt
Block (5.1.2)；On the top of the Timing Belt keel (5.1.2), the synchronous belt tooth contour briquetting (5.1.1), the left side are set
Transmission belt (3.2) is arranged between the Timing Belt keel (5.1.2) and the synchronous belt tooth contour briquetting (5.1.1), quilt
The Timing Belt keel (5.1.2) and the synchronous belt tooth contour briquetting (5.1.1) are fixed.
5. it is according to claim 1 can swelling abnormal self detecting type steel band powdering system, it is characterised in that the left lock
Fastening module includes：Powdering mortice lock presses closer block (6.6), powdering piece movement briquetting seat (6.7) and powdering piece movement briquetting
(6.8)；
The left end of the powdering piece installation pedestal (6.1) and the one-level powdering piece briquetting (6.2) is respectively provided with powdering piece
Mobile briquetting seat (6.7), installs the powdering mortice lock and presses closer block (6.6) in the outside of powdering piece movement briquetting seat (6.7), described
Powdering mortice lock is pressed closer block (6.6) powdering piece movement briquetting seat (6.7) is locked by screw；
The powdering piece is installed in the left part of two grades of powdering pieces briquetting (6.3) and moves briquetting (6.8), the powdering piece is moved
Dynamic pressure block (6.8) and two grades of powdering pieces briquetting (6.3) are tightly fastened by screw；
Wherein, the left part of the one-level powdering piece (6.4) is fastened to powdering piece movement briquetting seat (6.7) and the paving
Powder piece is moved between briquetting (6.8).
6. it is according to claim 1 can swelling abnormal self detecting type steel band powdering system, it is characterised in that resistance copper sheet
It is switched in the supply line of motor (2) by wire.
7. it is according to claim 1 can swelling abnormal self detecting type steel band powdering system, it is characterised in that described logical
The rear and front end in hole (1.1), moves installation base plate (1) and also offers gumming access slot (9) respectively in the powdering.
8. it is according to claim 1 can swelling abnormal self detecting type steel band powdering system, it is characterised in that in the paving
Powder moves installation base plate (1) and also fixedly mounts limit switches (10)；The limit switch (10) is for limiting the powder falling box
The moving range of unit (5).
9. according to claim any one of 1-8 can swelling abnormal self detecting type steel band powdering system, it is characterised in that
The one-level powdering piece (6.4) and two grades of powdering pieces (6.5) are metal thin steel strip.
10. it is a kind of can swelling abnormal self detecting type steel band powdering method, it is characterised in that comprise the following steps：
Step 1, spring is arranged at the rear portion of powdering exception steel disc (7.1), the extruding force forward provided by spring, and powdering is different
The two ends of normal steel disc (7.1) are tightly pressed into place the resistance copper sheet in its two ends, keep powdering exception steel disc (7.1) and resistance copper
The contact of piece, then after the resistance copper sheet of both sides is connected into wire, by wire by powdering exception steel disc (7.1) and two side resistance copper
Piece is connected on the power supply circuit of motor (2), so as to form connection circuit；
Step 2, when powdering formation of parts is needed, starts motor (2), and motor (2) drives left transmission belt
(3.2) it is synchronized with the movement with right transmission belt, and then promotes powder falling housing unit (5) and powdering blade unit (6) synchronous along the longitudinal direction
Motion, by the powder falling mouthful of powder falling housing unit (5), to powdering workbench powder falling, and is spread powder by powdering blade unit (6)
It is flat, realize powdering process；
During powdering, if machined piece surface does not have nodularization extremely raised on powdering workbench, powdering abnormal steel
Piece (7.1) and resistance copper sheet keep contact condition, i.e. open state, therefore, the power supply of motor passes sequentially through left side electricity
After resistance copper sheet, powdering exception steel disc (7.1) and right side resistance copper sheet, powered to motor (2), motor (2) can be normal
Work, and then control the carrying out of powdering process；Once when machined part some regional areas occur nodularization it is extremely raised when, it is different
Often raised to promote one-level powdering piece (6.4) to extrude backward, when powdering exception steel disc (7.1) are encountered in extruding, also, extruding force is big
When the thrust that spring applies to powdering exception steel disc (7.1), powdering exception steel disc (7.1) motion compresses spring backward, and then
Make powdering exception steel disc (7.1) be separated with the resistance copper sheet of both sides not contacting, now, both sides wire is obstructed, i.e.,：Off status, because
This, motor (2) is automatically switched off due to power-off, and stopping carries out follow-up powdering process.
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| CN205114394U (en) * | 2015-11-17 | 2016-03-30 | 钱波 | Powder system is spread to unusual self test formula steel band that expansible is tight |
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| EP1234625A1 (en) * | 2001-02-21 | 2002-08-28 | Trumpf Werkzeugmaschinen GmbH + Co. KG | Process and apparatus for producing a shaped body by selective laser sintering |
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| EP0738584A1 (en) * | 1995-04-21 | 1996-10-23 | EOS GmbH ELECTRO OPTICAL SYSTEMS | Apparatus and method to produce a three-dimensional object |
| CN201572918U (en) * | 2009-12-30 | 2010-09-08 | 华南理工大学 | Elastic powder laying device |
| CN102442546A (en) * | 2011-09-09 | 2012-05-09 | 西北有色金属研究院 | Powder spreading device for rapid forming equipment |
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Effective date of registration: 20200723 Address after: No.868, Tiangao Road, Lingang New Area, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201306 Patentee after: SHANGHAI CLOUD-MANU 3D TECHNOLOGY Co.,Ltd. Address before: 130 Meilong Road, Xuhui District, Shanghai Patentee before: Qian Bo |
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Denomination of invention: Abnormality self detecting steel strip powder spreading system with expandable tightness and powder spreading method Effective date of registration: 20231211 Granted publication date: 20170616 Pledgee: Shanghai Rural Commercial Bank Co.,Ltd. Shanghai pilot Free Trade Zone Lingang xinpian District sub branch Pledgor: SHANGHAI CLOUD-MANU 3D TECHNOLOGY CO.,LTD. Registration number: Y2023310000831 |