CN220447202U - Automatic adjustable clean powder device that falls of ration storehouse push pedal of additive manufacturing - Google Patents
Automatic adjustable clean powder device that falls of ration storehouse push pedal of additive manufacturing Download PDFInfo
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- CN220447202U CN220447202U CN202321960601.8U CN202321960601U CN220447202U CN 220447202 U CN220447202 U CN 220447202U CN 202321960601 U CN202321960601 U CN 202321960601U CN 220447202 U CN220447202 U CN 220447202U
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- measuring cylinder
- powder
- additive manufacturing
- powder falling
- purging box
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- 239000000843 powder Substances 0.000 title claims abstract description 105
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 239000000654 additive Substances 0.000 title claims abstract description 23
- 230000000996 additive effect Effects 0.000 title claims abstract description 23
- 238000010926 purge Methods 0.000 claims abstract description 28
- 238000007599 discharging Methods 0.000 claims abstract description 23
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 abstract description 3
- 238000010408 sweeping Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000003892 spreading Methods 0.000 description 8
- 230000007480 spreading Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010146 3D printing Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000110 selective laser sintering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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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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- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The automatic adjustable cleaning powder falling device of the quantitative bin pushing plate for additive manufacturing is characterized in that a measuring cylinder (7) is arranged in a closed collecting bin (13), and an adjustable pushing plate (8) is arranged in the measuring cylinder (7); the bottom end of the feed hopper (1) is communicated with an upper purging box (4) through a throat pipe (2), an upper sliding plate (5) is arranged in the upper purging box (4), the lower side of the upper purging box (4) is communicated with a measuring cylinder (7), the bottom end of the measuring cylinder (7) is communicated with a discharging pipe (12) through a lower purging box (11), a lower sliding plate (9) is arranged in the lower purging box (11), and a discharging port (15) is arranged at the bottom end of the discharging pipe (12); the feed hopper (1), the throat (2) are communicated with the measuring cylinder (7), the lower purging box (11) and the discharging pipe (12) through channels. The upper and lower two-way sliding plates and the measuring cylinder-adjustable pushing plate are enclosed to form an adjustable precise throwing structure, and the upper and lower two-stage sweeping boxes and the collecting bin are matched to form a closed loop cleaning system, so that the collecting efficiency of scattered powder is improved while the powder is fed rapidly and precisely, the powder falling amount can be adjusted in real time, the sealing performance is good, powder leakage is difficult, and the powder falling efficiency and safety are improved.
Description
Technical Field
The utility model belongs to the technical field of auxiliary devices specially suitable for 3D printing or additive manufacturing by IPC classification B22F12/00, in particular to an innovative and improved technology for accurately adjusting the powder falling quantity and keeping a channel clean by a push plate structure in additive manufacturing.
Background
Additive manufacturing is also called a 3D printer, a three-dimensional printer or a 3DP, and is an accumulated manufacturing rapid prototyping technology for manufacturing a three-dimensional object by printing a layer of adhesive material by a machine through special wax materials, powdered metals or plastic and other adhesive materials based on digital model files. Additive manufacturing can be roughly divided into branches of laser three-dimensional printing technology, selective laser sintering technology, fused deposition modeling technology and the like according to the type of consumable materials selected and the use mode thereof.
And (3) in a layer-by-layer cladding 'incremental' manufacturing mode of additive manufacturing, directly forming a part with a specific geometric shape according to a three-dimensional CAD model, and completely melting metal powder in the forming process to generate metallurgical bonding. Additive manufacturing can be classified into powder spreading type and powder feeding type according to the manner of powder feeding. Powder spreading refers to spreading metal powder onto a substrate to form a thin layer, and then fusing specific areas on the thin layer by laser to sinter together.
The powder laying quality comprises powder laying uniformity and powder bed compactness. Factors affecting the quality of the powder spread include: parameters of the powder material powder laying process parameters and equipment structure parameters. Therefore, the powder spreading process is adjusted by combining the properties and the process parameters of the powder so as to ensure that the quality of the printed parts is qualified.
Including the feeding link, 3D printer is at the during operation, and not only is difficult to accurate control feed quantity, produces a lot of powder moreover easily, and these powder direct clearance are discarded too extravagant, need collect recycle, and when current collection device was to the powder, the powder was remained easily and is piled up, can not thoroughly comprehensive collection to the powder, and collection efficiency is low, and the powder after the collection is inconvenient for take out.
Published patent application 202020412282.7 relates to a dust fall switch structure 1 suitable for additive manufacturing. The powder falling switch structure 1 comprises a metal torsion plate 1-9, a metal torsion head 1-2, a metal cavity 1-7 and a flexible insert 1-8. The powder required by powder spreading is reserved in advance, the elastic resilience of the switch is utilized to fall and divide the powder in real time, powder split preparation is provided for bidirectional powder spreading, and the powder falling of the powder falling roller is not required to be waited.
Application number 202020411959.5 relates to a quantitative powder falling structure suitable for metal additive manufacturing. The quantitative powder falling structure comprises a powder cavity assembly and a powder falling roller assembly from top to bottom.
The application number 201720749233 discloses a semiautomatic powder supply mechanism of additive manufacturing equipment, which comprises a forming cylinder, wherein a forming cabin is arranged above the forming cylinder, a 7-shaped powder supply bracket is arranged on one side of the forming cabin, a vertical frame body of the powder supply bracket is positioned on one side of the forming cabin, a horizontal frame body of the powder supply bracket is positioned right above the forming cabin, two guide rails A which are parallel to each other are arranged on the horizontal frame body of the powder supply bracket, two guide rails B which are parallel to each other are arranged on the vertical frame body of the powder supply bracket, and a transmission mechanism is arranged between the two guide rails B; the powder feeding device also comprises an inverted L-shaped powder feeding lifting frame, wherein sliding blocks A are respectively arranged at two ends of a vertical frame body of the powder feeding lifting frame, and can respectively slide on the guide rail A and the guide rail B; the horizontal frame body of the powder supply lifting frame is provided with a powder supply transportation frame, and the powder supply transportation frame is provided with a powder supply barrel.
The application number 202121220441.4 discloses a metal powder recycling device for metal 3D printing, which comprises a fixed base, the inside rotation of fixing base is connected with the carousel, the bottom fixedly connected with collecting box of carousel, the bottom fixedly connected with of collecting box goes out the tuber pipe, the inside bilateral symmetry fixedly connected with tuber pipe of fixing base, two the equal fixedly connected with shower nozzle of one end of tuber pipe, two fixedly connected with bushing at the top of carousel between the shower nozzle, the beneficial effect of the utility model is: through adding fixing base, bushing, carousel, tuber pipe and shower nozzle, be convenient for collect the powder.
When powder is supplied to the forming cabin by the powder supply structure of the existing SLM printing equipment, two modes exist: one is to arrange a funnel at the inlet of a powder falling cabin of a forming cabin, manually scoop powder from a powder supply barrel to a little by little, pour the powder into the funnel, and then fall the powder from the funnel into the powder falling cabin; the other is to manually lift the powder supply barrel to the inlet of the powder falling cabin, and open the powder supply barrel to supply powder into the powder falling cabin; the first powder feeding mode has low powder feeding efficiency and long powder adding time; the second powder supply mode correspondingly improves the powder supply efficiency, but has high labor intensity, and one person can hardly independently finish the operation, so that the safety problem is easy to occur. In addition, the well-known metal additive manufacturing powder falling structure has the advantages that dust raising and powder spreading delay are caused to some extent, most structures are complex, the sealing performance is poor, powder leakage is easy, the whole powder falling structure is inconvenient to detach and install, the self powder removing and maintaining are complex, the workpiece efficiency is influenced, and meanwhile, the feeding precision adjusting function is not provided.
Disclosure of Invention
The utility model aims to solve the technical problem that a feeding auxiliary device which can accurately and conveniently adjust feeding and is convenient for collecting and cleaning scattered powder is not available in the prior art.
Aiming at the problems and the technical requirements, the utility model provides the automatic adjustable cleaning powder falling device for the quantitative bin pushing plate in additive manufacturing, so that the required research purpose and function can be simply realized, the feeding amount can be accurately and conveniently adjusted, the material falling is smooth, and the scattered powder can be conveniently and rapidly purged, collected and recycled.
To this end, the utility model proposed comprises: the device comprises a feed hopper, a measuring cylinder and a discharge pipe; the measuring cylinder is arranged in the closed collecting bin, and an adjustable push plate is arranged in the measuring cylinder; the feeding hopper bottom is through the venturi intercommunication upper purge case, and upper slide is installed to upper purge incasement, and upper purge case downside intercommunication graduated flask, graduated flask bottom are through lower purge case intercommunication blowing pipe, and lower slide is installed to lower purge incasement, and the blowing mouth is installed to blowing pipe bottom.
Wherein, install the control valve on the choke.
The upper sliding plate is connected with an upper controller.
The lower sliding plate is connected with and provided with a lower controller.
And a discharging valve is arranged on the discharging hole.
The utility model is further provided with: upper slide plate and lower slide plate the sliding plates are arranged in parallel. The upper opening of the holding feed hopper, the throat pipe, the upper purging box, the measuring cylinder, the lower purging box and the discharging pipe is provided with an upright vertical channel.
Further, in particular, the feed hopper and the throat are communicated with the measuring cylinder, the lower purging box and the discharging pipe channel. In particular, the control valve, the upper slide plate, the upper controller, the lower controller and the discharge valve are connected to the central controller in a centralized way.
In particular, the measuring cylinder is in a vertical square box structure, an adjustable push plate is vertically arranged on the front side of one end in the measuring cylinder, the front side of the adjustable push plate faces a channel in the measuring cylinder, and the rear side of the adjustable push plate is connected with a driver through a driving rod; the driver is fixed on the measuring cylinder.
In contrast to the prior art, the method has the advantages that, the beneficial effects of the utility model are as follows:
an adjustable quantitative powder falling channel is arranged, so that quantitative and rapid feeding is realized, and continuous feeding is realized. The upper and lower two-way sliding plate and the measuring cylinder-adjustable push plate enclose to form an adjustable precise structure, and the closed loop cleaning system formed by the upper and lower two-stage sweeping box and the collecting bin is matched to work cooperatively, so that the scattered powder collecting efficiency is improved when the materials are fed rapidly and precisely, the operation is stable, the operation is easy, the disassembly and the installation are convenient, the structure is simple, the assembly and the disassembly are convenient, the powder dropping amount can be adjusted in real time, the sealing performance is good, the powder dropping efficiency and the safety are improved. Saving labor force and reducing labor intensity.
Drawings
The features and advantages of the present utility model will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be interpreted as limiting the utility model in any way.
Fig. 1 is a schematic structural diagram of embodiment 1 of the present utility model.
Fig. 2 is a schematic structural view of a measuring cylinder and an adjustable push plate in embodiment 2 of the present utility model.
The reference numerals include:
1-feeding hopper, 2-throat, 3-control valve, 4-upper purge box, 5-upper slide plate, 6-upper controller, 7-measuring cylinder, 8-adjustable push plate, 9-lower slide plate, 10-lower controller, 11-lower purge box, 12-discharge pipe, 13-collection bin, 14-discharge valve, 15-discharge opening.
701-drive rod, 702-drive.
Detailed Description
According to the utility model, by matching with the automatic intelligent control system, the remote control of feeding can be further realized, the automatic intelligent control system is particularly suitable for feeding with outstanding requirements on safety and no pollution, has a particularly good effect, and can be widely applied to the fields of medicine, chemical industry and the like.
The utility model is further described below with reference to the drawings and examples.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.
The utility model comprises the following steps: a feed hopper 1, a measuring cylinder 7 and a discharge pipe 12.
Example 1: an automatic adjustable cleaning powder falling device for a quantitative bin pushing plate for additive manufacturing is shown in fig. 1, wherein a feed hopper 1, a measuring cylinder 7 and a discharge pipe 12 are three important functional components in the utility model respectively, and the measuring cylinder 7 is used as a core structure of the cleaning powder falling device and is arranged in a closed collecting bin 13. The measuring cylinder 7 is internally provided with a movable adjustable push plate 8 for adjusting the internal capacity of the measuring cylinder 7.
In the foregoing, the first and second steps, to improve the automatic control level and function of the utility model; the control valve 3, the upper slide 5, the upper controller 6, the lower controller 10 and the discharge valve 14 are connected to a central controller in a centralized manner.
In the foregoing, in order to make the powder spreading channel from the feeding hopper 1 to the discharge opening 15 smooth and quick, it is necessary to keep the feeding hopper 1, the throat pipe 2, the upper purge box 4, the measuring cylinder 7, the lower purge box 11 and the upper opening of the discharge pipe 12 to have vertical channels.
In the embodiment of the utility model, firstly, the internal volume of the measuring cylinder 7 is adjusted by moving and adjusting the position of the adjustable push plate 8, so that the amount of powder discharged from the discharging hole 15 is accurately controlled to be in a required standard. Then, when the powder is formally paved and discharged, firstly, the control valve 3 is opened, the upper sliding plate 5 is pulled back through the upper controller 6, the lower sliding plate 9 is closed through the front insertion of the lower controller 10, the powder discharged from the lower part of the feed hopper 1 and the throat pipe 2 enters the measuring cylinder 7, after the front side of the adjustable push plate 8 in the measuring cylinder 7 is fully filled with the fine powder bin, the control valve 3 is closed, the upper sliding plate 5 is closed through the front movement of the upper controller 6, the upper opening of the measuring cylinder 7 is closed, and at the moment, an isolated closed space is formed between the upper blowing box 4 and the measuring cylinder 7 respectively; secondly, the lower sliding plate 9 is pulled back through the backward movement of the lower controller 10, powder in the fine material bin at the front side in the measuring cylinder 7 is discharged downwards into the discharging pipe 12, then the discharging valve 14 is opened, and the required fine powder is discharged downwards through the discharging hole 15; and thirdly, the upper sliding plate 5 is pulled back through the backward movement of the upper controller 6, the upper purging box 4, the measuring cylinder 7 and the lower purging box 11 are purged through the air blast, and the scattered powder in the discharging pipe 12 is closed and collected in the collecting bin 13 and discharged from the discharging hole 15 along the discharging pipe 12 after falling, and then collected and recycled to the feeding hopper 1, so that the air-swept collection and the channel cleaning of the scattered powder are completed.
In the embodiment of the utility model, the central controller, the cooperative control valve 3, the upper controller 6, the lower controller 10 and the discharge port 15 are sequentially matched to work, so that the working flow is rapidly and accurately completed.
Example 2: the measuring cylinder 7 has an upright square box structure, and referring to fig. 2, a driver 702 is fixed to the measuring cylinder 7. An adjustable push plate 8 is vertically arranged on the front side of one end in the measuring cylinder 7, the front side surface of the adjustable push plate 8 is directed to a channel in the cylinder 7, and the rear side surface of the adjustable push plate 8 is connected with a driver 702 through a driving rod 701.
In the embodiment of the utility model, the driver 702 drives the driving rod 701 to stretch and retract, the adjustable push plate 8 is pulled and pushed to move, and the front volume of the adjustable push plate 8 in the measuring cylinder 7 is accurately adjusted.
In the embodiment of the utility model, further, an adjustable push plate 8 can be respectively arranged at the opposite ends of the measuring cylinder 7, but under the working condition, the structure of the device is more complex, and the working stability can be possibly influenced. Still alternatively, the improvement replacement measure further comprises that the adjustable push plate 8 is obliquely installed, and the adjustable push plate is all within the protection scope of the utility model.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected.
The foregoing examples are provided to illustrate the technical aspects of the present utility model in further detail, but the present utility model should not be construed as being limited thereto. In the technical field of the present utility model, a person of ordinary skill in the art may make several simple deductions or alternative technical solutions without departing from the general inventive concept, which may belong to the protection scope defined by the claims filed by the present utility model.
Claims (8)
1. The automatic adjustable cleaning powder falling device for the quantitative bin pushing plate for additive manufacturing comprises a feeding hopper (1), a measuring cylinder (7) and a discharging pipe (12); the device is characterized in that a measuring cylinder (7) is arranged in a closed collecting bin (13), and an adjustable push plate (8) is arranged in the measuring cylinder (7); the bottom end of the feed hopper (1) is communicated with an upper purging box (4) through a throat pipe (2), an upper sliding plate (5) is arranged in the upper purging box (4), the lower side of the upper purging box (4) is communicated with a measuring cylinder (7), the bottom end of the measuring cylinder (7) is communicated with a discharging pipe (12) through a lower purging box (11), a lower sliding plate (9) is arranged in the lower purging box (11), and a discharging port (15) is arranged at the bottom end of the discharging pipe (12); the feed hopper (1), the throat (2) are communicated with the measuring cylinder (7), the lower purging box (11) and the discharging pipe (12) through channels.
2. The automatic adjustable cleaning powder falling device for the quantitative bin pushing plate for additive manufacturing according to claim 1, wherein a control valve (3) is arranged on the throat pipe (2).
3. The automatic adjustable cleaning and powder falling device for the pushing plate of the additive manufacturing quantitative bin of claim 1, wherein the upper sliding plate (5) is connected with an upper controller (6).
4. The automatic adjustable cleaning and powder falling device for the pushing plate of the additive manufacturing quantitative bin according to claim 1, wherein the lower sliding plate (9) is connected with a lower controller (10).
5. The automatic adjustable cleaning powder falling device for the pushing plate of the additive manufacturing quantitative bin according to claim 1, wherein a discharging valve (14) is arranged on the discharging port (15).
6. The automatic adjustable cleaning powder falling device for the pushing plate of the additive manufacturing quantitative bin of claim 1, it is characterized in that the upper sliding plate (5) and the lower sliding plate (9) are arranged in parallel.
7. The automatic adjustable cleaning powder falling device for the pushing plate of the additive manufacturing quantitative bin according to claim 1 is characterized in that an upright vertical channel is arranged at the upper opening of the holding feed hopper (1), the throat pipe (2), the upper purging box (4), the measuring cylinder (7), the lower purging box (11) and the discharging pipe (12).
8. The automatic adjustable cleaning powder falling device for the pushing plate of the quantitative bin for additive manufacturing according to claim 1, wherein the measuring cylinder (7) is in a vertical square box structure, an adjustable push plate (8) is vertically arranged on the front side of one end in the measuring cylinder (7), the front side surface of the adjustable push plate (8) is directed to the inner channel of the measuring cylinder (7), and the rear side surface of the adjustable push plate (8) is connected with a driver (702) through a driving rod (701); the driver (702) is fixed on the measuring cylinder (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321960601.8U CN220447202U (en) | 2023-07-25 | 2023-07-25 | Automatic adjustable clean powder device that falls of ration storehouse push pedal of additive manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321960601.8U CN220447202U (en) | 2023-07-25 | 2023-07-25 | Automatic adjustable clean powder device that falls of ration storehouse push pedal of additive manufacturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220447202U true CN220447202U (en) | 2024-02-06 |
Family
ID=89731418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321960601.8U Active CN220447202U (en) | 2023-07-25 | 2023-07-25 | Automatic adjustable clean powder device that falls of ration storehouse push pedal of additive manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220447202U (en) |
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2023
- 2023-07-25 CN CN202321960601.8U patent/CN220447202U/en active Active
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